├── .envrc
├── .github
    └── workflows
    │   └── test.yml
├── .gitignore
├── Cargo.lock
├── Cargo.toml
├── LICENSE
├── README.md
├── build.rs
├── shell.nix
└── src
    ├── hex_lsx.c
    ├── hex_neon.c
    ├── lib.rs
    ├── logger
        ├── indicatif_backend.rs
        └── mod.rs
    ├── main.rs
    └── pgp_backends
        ├── hex.rs
        ├── mod.rs
        ├── rpgp_backend.rs
        └── sequoia_backend.rs


/.envrc:
--------------------------------------------------------------------------------
  1 | # Derived from https://github.com/nix-community/nix-direnv/blob/master/direnvrc
  2 | # shellcheck shell=bash
  3 | 
  4 | _nix_export_or_unset() {
  5 |   local key=$1 value=$2
  6 |   if [[ "$value" == __UNSET__ ]]; then
  7 |     unset "$key"
  8 |   else
  9 |     export "$key=$value"
 10 |   fi
 11 | }
 12 | 
 13 | _nix_import_env() {
 14 |   local env=$1
 15 | 
 16 |   local old_path=${PATH:-}
 17 |   local old_term=${TERM:-__UNSET__}
 18 |   local old_shell=${SHELL:-__UNSET__}
 19 |   local old_tmpdir=${TMPDIR:-__UNSET__}
 20 |   local old_ssl_cert_file=${SSL_CERT_FILE:-__UNSET__}
 21 |   local old_nix_ssl_cert_file=${NIX_SSL_CERT_FILE:-__UNSET__}
 22 | 
 23 |   eval "$env"
 24 | 
 25 |   # `nix-shell --pure` sets invalid ssl certificate paths
 26 |   if [[ "${SSL_CERT_FILE:-}" = /no-cert-file.crt ]]; then
 27 |     _nix_export_or_unset SSL_CERT_FILE "$old_ssl_cert_file"
 28 |   fi
 29 | 
 30 |   if [[ "${NIX_SSL_CERT_FILE:-}" = /no-cert-file.crt ]]; then
 31 |     _nix_export_or_unset NIX_SSL_CERT_FILE "$old_nix_ssl_cert_file"
 32 |   fi
 33 | 
 34 |   export PATH=$PATH${old_path:+":"}$old_path
 35 |   _nix_export_or_unset TERM "$old_term"
 36 |   _nix_export_or_unset SHELL "$old_shell"
 37 |   _nix_export_or_unset TEMPDIR "$old_tmpdir"
 38 | 
 39 |   # misleading since we are in an impure shell now
 40 |   export IN_NIX_SHELL=impure
 41 | }
 42 | 
 43 | _nix_add_gcroot() {
 44 |   local storepath=$1
 45 |   local symlink=$2
 46 | 
 47 |   local stripped_pwd=${PWD/\//}
 48 |   local escaped_pwd=${stripped_pwd//-/--}
 49 |   local escaped_pwd=${escaped_pwd//\//-}
 50 |   ln -fs "$storepath" "$symlink"
 51 |   ln -fs "$symlink" "/nix/var/nix/gcroots/per-user/$USER/$escaped_pwd"
 52 | }
 53 | 
 54 | use_flake() {
 55 |   watch_file flake.nix
 56 |   watch_file flake.lock
 57 | 
 58 |   local profile="$(direnv_layout_dir)/flake-profile"
 59 |   local profile_rc="${profile}.rc"
 60 | 
 61 |   if [[ ! -e "$profile"
 62 |      || ! -e "$profile_rc"
 63 |      || "$HOME/.direnvrc" -nt "$profile_rc"
 64 |      || .envrc -nt "$profile_rc"
 65 |      || flake.nix -nt "$profile_rc"
 66 |      || flake.lock -nt "$profile_rc"
 67 |      ]];
 68 |   then
 69 |     local tmp_profile="$(direnv_layout_dir)/flake-profile.$$"
 70 |     [[ -d "$(direnv_layout_dir)" ]] || mkdir "$(direnv_layout_dir)"
 71 |     local tmp_profile_rc=$(nix print-dev-env --profile "$tmp_profile")
 72 |     drv=$(realpath "$tmp_profile")
 73 |     echo "$tmp_profile_rc" > "$profile_rc"
 74 |     rm -f "$tmp_profile" "$tmp_profile"*
 75 |     _nix_add_gcroot "$drv" "$profile"
 76 |     log_status renewed cache
 77 |   else
 78 |     log_status using cached dev shell
 79 |   fi
 80 | 
 81 |   local old_nix_build_top=${NIX_BUILD_TOP:-__UNSET__}
 82 |   local old_tmp=${TMP:-__UNSET__}
 83 |   local old_tmpdir=${TMPDIR:-__UNSET__}
 84 |   local old_temp=${TEMP:-__UNSET__}
 85 |   local old_tempdir=${TEMPDIR:-__UNSET__}
 86 |   eval "$(< "$profile_rc")"
 87 |   # nix print-env-dev will create a temporary directory and use it a TMPDIR,
 88 |   # we cannot rely on this directory beeing not deleted at some point,
 89 |   # hence we are just removing it right away.
 90 |   if [[ "$NIX_BUILD_TOP" == */nix-shell.* && -d "$NIX_BUILD_TOP" ]]; then
 91 |     rmdir "$NIX_BUILD_TOP"
 92 |   fi
 93 | 
 94 |   _nix_export_or_unset NIX_BUILD_TOP "$old_nix_build_top"
 95 |   _nix_export_or_unset TMP "$old_tmp"
 96 |   _nix_export_or_unset TMPDIR "$old_tmpdir"
 97 |   _nix_export_or_unset TEMP "$old_temp"
 98 |   _nix_export_or_unset TEMPDIR "$old_tempdir"
 99 | }
100 | 
101 | use_nix() {
102 |   local path direnv_dir
103 |   path=$(nix-instantiate --find-file nixpkgs)
104 |   direnv_dir=$(direnv_layout_dir)
105 | 
106 |   if [[ "${direnv:-}" == "" ]]; then
107 |     log_status "\$direnv environment variable was not defined. Was this script run inside direnv?"
108 |   fi
109 | 
110 |   local version
111 |   if [[ -f "${path}/.version-suffix" ]]; then
112 |     version=$(< "${path}/.version-suffix")
113 |   elif [[ -f "${path}/.git/HEAD" ]]; then
114 |     local head
115 |     read -r head < "${path}/.git/HEAD"
116 |     local regex="ref: (.*)"
117 |     if [[ "$head" =~  $regex ]]; then
118 |       read -r version < ".git/${BASH_REMATCH[1]}"
119 |     else
120 |       version="$head"
121 |     fi
122 |   fi
123 | 
124 |   local cache="$direnv_dir/cache-${version:-unknown}"
125 | 
126 |   local update_drv=0
127 |   if [[ ! -e "$cache"
128 |      || "$HOME/.direnvrc" -nt "$cache"
129 |      || .envrc -nt "$cache"
130 |      || default.nix -nt "$cache"
131 |      || shell.nix -nt "$cache"
132 |      ]];
133 |   then
134 |     [[ -d "$direnv_dir" ]] || mkdir "$direnv_dir"
135 |     local dump_cmd tmp
136 |     dump_cmd="echo -n _____direnv_____; \"$direnv\" dump bash"
137 |     tmp=$(nix-shell --show-trace --pure "$@" --run "$dump_cmd")
138 |     # show original shell hook output
139 |     echo "$tmp" | perl -nle 'print if m{(?<=_____direnv_____).*}'
140 |     echo "$tmp" | perl -nle 'print $& while m{(?<=_____direnv_____).*}g' > "$cache"
141 |     update_drv=1
142 |   else
143 |     log_status using cached derivation
144 |   fi
145 | 
146 |   log_status eval "$cache"
147 |   read -r cache_content < "$cache"
148 |   _nix_import_env "$cache_content"
149 | 
150 |   # This part is based on https://discourse.nixos.org/t/what-is-the-best-dev-workflow-around-nix-shell/418/4
151 |   if [[ "${out:-}" != "" ]] && (( update_drv )); then
152 |     local drv_link="${direnv_dir}/drv" drv
153 |     drv=$(nix show-derivation "$out" | grep -E -o -m1 '/nix/store/.*.drv')
154 |     _nix_add_gcroot "$drv" "$drv_link"
155 |     log_status renewed cache and derivation link
156 |   fi
157 | 
158 |   if [[ "$#" == 0 ]]; then
159 |     watch_file default.nix
160 |     watch_file shell.nix
161 |   fi
162 | }
163 | 
164 | use_nix
165 | 


--------------------------------------------------------------------------------
/.github/workflows/test.yml:
--------------------------------------------------------------------------------
 1 | name: Test
 2 | 
 3 | on:
 4 |   push:
 5 |     branches: [ master ]
 6 |   pull_request:
 7 |     branches: [ master ]
 8 | 
 9 | env:
10 |   CARGO_TERM_COLOR: always
11 | 
12 | jobs:
13 |   build:
14 | 
15 |     runs-on: ubuntu-20.04
16 | 
17 |     steps:
18 |     - uses: actions/checkout@v2
19 |     - uses: actions-rs/toolchain@v1
20 |       with:
21 |         toolchain: stable
22 |     - name: Install dependencies
23 |       run: sudo apt-get install nettle-dev libssl-dev capnproto make clang pkg-config libsqlite3-dev llvm libclang-dev
24 |     - uses: actions-rs/cargo@v1
25 |       with:
26 |         command: build
27 |         args: --all-features --release --verbose
28 |     - uses: actions-rs/cargo@v1
29 |       with:
30 |         command: test
31 |         args: --all-features --release --verbose
32 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | /target
 2 | .env
 3 | .out
 4 | .direnv
 5 | *.asc
 6 | .DS_Store
 7 | **/.DS_Store
 8 | /.idea
 9 | 
10 | 


--------------------------------------------------------------------------------
/Cargo.lock:
--------------------------------------------------------------------------------
   1 | # This file is automatically @generated by Cargo.
   2 | # It is not intended for manual editing.
   3 | version = 3
   4 | 
   5 | [[package]]
   6 | name = "addr2line"
   7 | version = "0.20.0"
   8 | source = "registry+https://github.com/rust-lang/crates.io-index"
   9 | checksum = "f4fa78e18c64fce05e902adecd7a5eed15a5e0a3439f7b0e169f0252214865e3"
  10 | dependencies = [
  11 |  "gimli",
  12 | ]
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  18 | checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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  26 |  "cfg-if",
  27 |  "cipher",
  28 |  "cpufeatures",
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  36 | dependencies = [
  37 |  "memchr",
  38 | ]
  39 | 
  40 | [[package]]
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  42 | version = "0.1.1"
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  46 | [[package]]
  47 | name = "android_system_properties"
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  50 | checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
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  52 |  "libc",
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  60 | dependencies = [
  61 |  "anstyle",
  62 |  "anstyle-parse",
  63 |  "anstyle-query",
  64 |  "anstyle-wincon",
  65 |  "colorchoice",
  66 |  "is-terminal",
  67 |  "utf8parse",
  68 | ]
  69 | 
  70 | [[package]]
  71 | name = "anstyle"
  72 | version = "1.0.1"
  73 | source = "registry+https://github.com/rust-lang/crates.io-index"
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  75 | 
  76 | [[package]]
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  78 | version = "0.2.1"
  79 | source = "registry+https://github.com/rust-lang/crates.io-index"
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  81 | dependencies = [
  82 |  "utf8parse",
  83 | ]
  84 | 
  85 | [[package]]
  86 | name = "anstyle-query"
  87 | version = "1.0.0"
  88 | source = "registry+https://github.com/rust-lang/crates.io-index"
  89 | checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
  90 | dependencies = [
  91 |  "windows-sys 0.48.0",
  92 | ]
  93 | 
  94 | [[package]]
  95 | name = "anstyle-wincon"
  96 | version = "1.0.2"
  97 | source = "registry+https://github.com/rust-lang/crates.io-index"
  98 | checksum = "c677ab05e09154296dd37acecd46420c17b9713e8366facafa8fc0885167cf4c"
  99 | dependencies = [
 100 |  "anstyle",
 101 |  "windows-sys 0.48.0",
 102 | ]
 103 | 
 104 | [[package]]
 105 | name = "anyhow"
 106 | version = "1.0.75"
 107 | source = "registry+https://github.com/rust-lang/crates.io-index"
 108 | checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 109 | 
 110 | [[package]]
 111 | name = "ascii-canvas"
 112 | version = "3.0.0"
 113 | source = "registry+https://github.com/rust-lang/crates.io-index"
 114 | checksum = "8824ecca2e851cec16968d54a01dd372ef8f95b244fb84b84e70128be347c3c6"
 115 | dependencies = [
 116 |  "term",
 117 | ]
 118 | 
 119 | [[package]]
 120 | name = "autocfg"
 121 | version = "1.1.0"
 122 | source = "registry+https://github.com/rust-lang/crates.io-index"
 123 | checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 124 | 
 125 | [[package]]
 126 | name = "backtrace"
 127 | version = "0.3.68"
 128 | source = "registry+https://github.com/rust-lang/crates.io-index"
 129 | checksum = "4319208da049c43661739c5fade2ba182f09d1dc2299b32298d3a31692b17e12"
 130 | dependencies = [
 131 |  "addr2line",
 132 |  "cc",
 133 |  "cfg-if",
 134 |  "libc",
 135 |  "miniz_oxide",
 136 |  "object",
 137 |  "rustc-demangle",
 138 | ]
 139 | 
 140 | [[package]]
 141 | name = "base16ct"
 142 | version = "0.2.0"
 143 | source = "registry+https://github.com/rust-lang/crates.io-index"
 144 | checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 145 | 
 146 | [[package]]
 147 | name = "base64"
 148 | version = "0.21.2"
 149 | source = "registry+https://github.com/rust-lang/crates.io-index"
 150 | checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
 151 | 
 152 | [[package]]
 153 | name = "base64ct"
 154 | version = "1.6.0"
 155 | source = "registry+https://github.com/rust-lang/crates.io-index"
 156 | checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 157 | 
 158 | [[package]]
 159 | name = "bindgen"
 160 | version = "0.63.0"
 161 | source = "registry+https://github.com/rust-lang/crates.io-index"
 162 | checksum = "36d860121800b2a9a94f9b5604b332d5cffb234ce17609ea479d723dbc9d3885"
 163 | dependencies = [
 164 |  "bitflags 1.3.2",
 165 |  "cexpr",
 166 |  "clang-sys",
 167 |  "lazy_static",
 168 |  "lazycell",
 169 |  "peeking_take_while",
 170 |  "proc-macro2",
 171 |  "quote",
 172 |  "regex",
 173 |  "rustc-hash",
 174 |  "shlex",
 175 |  "syn 1.0.109",
 176 | ]
 177 | 
 178 | [[package]]
 179 | name = "bit-set"
 180 | version = "0.5.3"
 181 | source = "registry+https://github.com/rust-lang/crates.io-index"
 182 | checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1"
 183 | dependencies = [
 184 |  "bit-vec",
 185 | ]
 186 | 
 187 | [[package]]
 188 | name = "bit-vec"
 189 | version = "0.6.3"
 190 | source = "registry+https://github.com/rust-lang/crates.io-index"
 191 | checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
 192 | 
 193 | [[package]]
 194 | name = "bitfield"
 195 | version = "0.14.0"
 196 | source = "registry+https://github.com/rust-lang/crates.io-index"
 197 | checksum = "2d7e60934ceec538daadb9d8432424ed043a904d8e0243f3c6446bce549a46ac"
 198 | 
 199 | [[package]]
 200 | name = "bitflags"
 201 | version = "1.3.2"
 202 | source = "registry+https://github.com/rust-lang/crates.io-index"
 203 | checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 204 | 
 205 | [[package]]
 206 | name = "bitflags"
 207 | version = "2.4.0"
 208 | source = "registry+https://github.com/rust-lang/crates.io-index"
 209 | checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
 210 | 
 211 | [[package]]
 212 | name = "block-buffer"
 213 | version = "0.10.4"
 214 | source = "registry+https://github.com/rust-lang/crates.io-index"
 215 | checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
 216 | dependencies = [
 217 |  "generic-array",
 218 | ]
 219 | 
 220 | [[package]]
 221 | name = "block-padding"
 222 | version = "0.3.3"
 223 | source = "registry+https://github.com/rust-lang/crates.io-index"
 224 | checksum = "a8894febbff9f758034a5b8e12d87918f56dfc64a8e1fe757d65e29041538d93"
 225 | dependencies = [
 226 |  "generic-array",
 227 | ]
 228 | 
 229 | [[package]]
 230 | name = "blowfish"
 231 | version = "0.9.1"
 232 | source = "registry+https://github.com/rust-lang/crates.io-index"
 233 | checksum = "e412e2cd0f2b2d93e02543ceae7917b3c70331573df19ee046bcbc35e45e87d7"
 234 | dependencies = [
 235 |  "byteorder",
 236 |  "cipher",
 237 | ]
 238 | 
 239 | [[package]]
 240 | name = "bstr"
 241 | version = "1.6.0"
 242 | source = "registry+https://github.com/rust-lang/crates.io-index"
 243 | checksum = "6798148dccfbff0fae41c7574d2fa8f1ef3492fba0face179de5d8d447d67b05"
 244 | dependencies = [
 245 |  "memchr",
 246 |  "serde",
 247 | ]
 248 | 
 249 | [[package]]
 250 | name = "buffer-redux"
 251 | version = "1.0.0"
 252 | source = "registry+https://github.com/rust-lang/crates.io-index"
 253 | checksum = "d2886ea01509598caac116942abd33ab5a88fa32acdf7e4abfa0fc489ca520c9"
 254 | dependencies = [
 255 |  "memchr",
 256 |  "safemem",
 257 | ]
 258 | 
 259 | [[package]]
 260 | name = "buffered-reader"
 261 | version = "1.2.0"
 262 | source = "registry+https://github.com/rust-lang/crates.io-index"
 263 | checksum = "66d3bea5bcc3ecc38fe5388e6bc35e6fe7bd665eb3ae9a44283e15b91ad3867d"
 264 | dependencies = [
 265 |  "bzip2",
 266 |  "flate2",
 267 |  "lazy_static",
 268 |  "libc",
 269 | ]
 270 | 
 271 | [[package]]
 272 | name = "bumpalo"
 273 | version = "3.13.0"
 274 | source = "registry+https://github.com/rust-lang/crates.io-index"
 275 | checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
 276 | 
 277 | [[package]]
 278 | name = "byteorder"
 279 | version = "1.4.3"
 280 | source = "registry+https://github.com/rust-lang/crates.io-index"
 281 | checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 282 | 
 283 | [[package]]
 284 | name = "bzip2"
 285 | version = "0.4.4"
 286 | source = "registry+https://github.com/rust-lang/crates.io-index"
 287 | checksum = "bdb116a6ef3f6c3698828873ad02c3014b3c85cadb88496095628e3ef1e347f8"
 288 | dependencies = [
 289 |  "bzip2-sys",
 290 |  "libc",
 291 | ]
 292 | 
 293 | [[package]]
 294 | name = "bzip2-sys"
 295 | version = "0.1.11+1.0.8"
 296 | source = "registry+https://github.com/rust-lang/crates.io-index"
 297 | checksum = "736a955f3fa7875102d57c82b8cac37ec45224a07fd32d58f9f7a186b6cd4cdc"
 298 | dependencies = [
 299 |  "cc",
 300 |  "libc",
 301 |  "pkg-config",
 302 | ]
 303 | 
 304 | [[package]]
 305 | name = "camellia"
 306 | version = "0.1.0"
 307 | source = "registry+https://github.com/rust-lang/crates.io-index"
 308 | checksum = "3264e2574e9ef2b53ce6f536dea83a69ac0bc600b762d1523ff83fe07230ce30"
 309 | dependencies = [
 310 |  "byteorder",
 311 |  "cipher",
 312 | ]
 313 | 
 314 | [[package]]
 315 | name = "cast5"
 316 | version = "0.11.1"
 317 | source = "registry+https://github.com/rust-lang/crates.io-index"
 318 | checksum = "26b07d673db1ccf000e90f54b819db9e75a8348d6eb056e9b8ab53231b7a9911"
 319 | dependencies = [
 320 |  "cipher",
 321 | ]
 322 | 
 323 | [[package]]
 324 | name = "cc"
 325 | version = "1.0.83"
 326 | source = "registry+https://github.com/rust-lang/crates.io-index"
 327 | checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
 328 | dependencies = [
 329 |  "libc",
 330 | ]
 331 | 
 332 | [[package]]
 333 | name = "cexpr"
 334 | version = "0.6.0"
 335 | source = "registry+https://github.com/rust-lang/crates.io-index"
 336 | checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
 337 | dependencies = [
 338 |  "nom",
 339 | ]
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2448 | source = "registry+https://github.com/rust-lang/crates.io-index"
2449 | checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
2450 | 
2451 | [[package]]
2452 | name = "windows_x86_64_gnu"
2453 | version = "0.42.2"
2454 | source = "registry+https://github.com/rust-lang/crates.io-index"
2455 | checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
2456 | 
2457 | [[package]]
2458 | name = "windows_x86_64_gnu"
2459 | version = "0.48.5"
2460 | source = "registry+https://github.com/rust-lang/crates.io-index"
2461 | checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
2462 | 
2463 | [[package]]
2464 | name = "windows_x86_64_gnullvm"
2465 | version = "0.42.2"
2466 | source = "registry+https://github.com/rust-lang/crates.io-index"
2467 | checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
2468 | 
2469 | [[package]]
2470 | name = "windows_x86_64_gnullvm"
2471 | version = "0.48.5"
2472 | source = "registry+https://github.com/rust-lang/crates.io-index"
2473 | checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
2474 | 
2475 | [[package]]
2476 | name = "windows_x86_64_msvc"
2477 | version = "0.42.2"
2478 | source = "registry+https://github.com/rust-lang/crates.io-index"
2479 | checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
2480 | 
2481 | [[package]]
2482 | name = "windows_x86_64_msvc"
2483 | version = "0.48.5"
2484 | source = "registry+https://github.com/rust-lang/crates.io-index"
2485 | checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
2486 | 
2487 | [[package]]
2488 | name = "x25519-dalek"
2489 | version = "2.0.0"
2490 | source = "registry+https://github.com/rust-lang/crates.io-index"
2491 | checksum = "fb66477291e7e8d2b0ff1bcb900bf29489a9692816d79874bea351e7a8b6de96"
2492 | dependencies = [
2493 |  "curve25519-dalek",
2494 |  "rand_core 0.6.4",
2495 |  "serde",
2496 |  "zeroize",
2497 | ]
2498 | 
2499 | [[package]]
2500 | name = "xxhash-rust"
2501 | version = "0.8.6"
2502 | source = "registry+https://github.com/rust-lang/crates.io-index"
2503 | checksum = "735a71d46c4d68d71d4b24d03fdc2b98e38cea81730595801db779c04fe80d70"
2504 | 
2505 | [[package]]
2506 | name = "zeroize"
2507 | version = "1.6.0"
2508 | source = "registry+https://github.com/rust-lang/crates.io-index"
2509 | checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
2510 | dependencies = [
2511 |  "zeroize_derive",
2512 | ]
2513 | 
2514 | [[package]]
2515 | name = "zeroize_derive"
2516 | version = "1.4.2"
2517 | source = "registry+https://github.com/rust-lang/crates.io-index"
2518 | checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
2519 | dependencies = [
2520 |  "proc-macro2",
2521 |  "quote",
2522 |  "syn 2.0.29",
2523 | ]
2524 | 


--------------------------------------------------------------------------------
/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "vanity_gpg"
 3 | version = "0.3.2"
 4 | edition = "2021"
 5 | authors = ["Kay Lin <i@v2bv.net>"]
 6 | description = "A simple tool for generating and filtering vanity GPG keys, c0nCurr3nt1Y"
 7 | homepage = "https://github.com/RedL0tus/VanityGPG"
 8 | repository = "https://github.com/RedL0tus/VanityGPG"
 9 | keywords = [ "GPG", "Vanity", "VanityGPG" ]
10 | readme = "README.md"
11 | license = "MIT"
12 | categories = [ "command-line-utilities" ]
13 | 
14 | # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
15 | 
16 | [features]
17 | default = [ "sequoia" ]
18 | sequoia = [ "sequoia-openpgp" ]
19 | rpgp = [ "pgp", "rand", "chrono", "smallvec", "sha-1" ]
20 | 
21 | [dev-dependencies]
22 | hex = "^0.4"
23 | 
24 | [build-dependencies]
25 | cc = "1.0"
26 | 
27 | [dependencies]
28 | log = { version = "^0.4", features = [ "std" ] }
29 | pgp = { version = "^0.10", optional = true }
30 | clap = { version = "^4.3", features = [ "derive" ] }
31 | rand = { version = "^0.8", optional = true }
32 | rayon = "^1.7"
33 | regex = "^1.9"
34 | sha-1 = { version = "^0.10", features = [ "asm", "compress" ], optional = true }
35 | anyhow = "^1.0"
36 | chrono = { version = "^0.4", optional = true }
37 | nettle = "^7.3"
38 | colored = "^2.0"
39 | mimalloc = { version = "^0.1", default-features = false }
40 | smallvec = { version = "^1.11", optional = true }
41 | backtrace = "^0.3"
42 | byteorder = "^1.4"
43 | indicatif = "^0.17"
44 | thiserror = "^1.0"
45 | sequoia-openpgp = { version = "^1.16", optional = true }
46 | 
47 | [profile.test]
48 | opt-level = 3
49 | debug = true
50 | debug-assertions = false
51 | overflow-checks = false
52 | 
53 | [profile.release]
54 | opt-level = 3
55 | debug = true
56 | debug-assertions = false
57 | overflow-checks = false
58 | lto = true
59 | panic = 'unwind'
60 | incremental = false
61 | codegen-units = 1
62 | rpath = false
63 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2018 Kay Lin
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | VanityGPG (vanity_gpg)
 2 | ======================
 3 | 
 4 | [![license](https://img.shields.io/github/license/RedL0tus/VanityGPG.svg)](LICENSE)
 5 | [![crates.io](http://meritbadge.herokuapp.com/vanity_gpg)](https://crates.io/crates/vanity_gpg)
 6 | 
 7 | A simple tool for generating and filtering vanity GPG keys (a.k.a. A OpenPGP key fingerprint collision tool), c0nCurr3nt1Y.
 8 | 
 9 | Install
10 | -------
11 | 
12 | Currently(v0.3), VanityGPG offers two sets of backends, [`Sequoia-OpenPGP`](https://sequoia-pgp.org/) and [`rPGP`](https://github.com/rpgp/rpgp). If you have `libclang` available in your system, the default sequoia backend is recommend. 
13 | 
14 | Install dependencies (assuming you are using Ubuntu, bruh) for the sequoia backend:
15 | ```bash
16 | apt install git rustc cargo clang make pkg-config nettle-dev libssl-dev capnproto libsqlite3-dev
17 | ```
18 | 
19 | Install VanityGPG with `cargo`:
20 | ```bash
21 | cargo install vanity_gpg
22 | ```
23 | 
24 | If your system does not offer `libclang`, there is also a pure rust `rPGP` backend available:
25 | 
26 | ```bash
27 | cargo install vanity_gpg --no-default-features --features rpgp
28 | ```
29 | 
30 | **If the rPGP backend is used, it's not recommended to use the key generated by it as your main key. It uses a PRNG for generating random numbers, which is considered (kind of) insecure.**
31 | 
32 | Performance
33 | -----------
34 | 
35 | With the following parameters:
36 | 
37 | ```bash
38 | ./vanity_gpg -c Ed25519 -jX -u "Kay Lin <i@v2bv.net>" -p "(8B){5,20}$|(B8){5,20}$|(EB){5,20}$|(BE){5,20}$|(EF){5,20}$|(FE){5,20}$|A{10,40}$|B{10,40}$|C{10,40}$|D{10,40}$|E{10,40}$|F{10,40}$|1{10,40}$|2{10,40}$|3{10,40}$|4{10,40}$|5{10,40}$|6{10,40}$|7{10,40}$|8{10,40}$|9{10,40}$|0{10,40}$|1145141919810$"
39 | ```
40 | 
41 | | System/Backend                       | Sequoia             | Notes                                        |
42 | |--------------------------------------|---------------------|----------------------------------------------|
43 | | Tegra210 (X1) @ 1.9GHz (-j4)         | ~6,300,000 hash/s   | Fedora AArch64, sequoia backend, Jetson Nano |
44 | | Intel Xeon E3-1231 V3 @ 3.4GHz (-j8) | ~15,000,000 hash/s  | FreeBSD, sequoia backend, without jemalloc   |
45 | | Intel Core i7-8569U @ 2.8GHz (-j8)   | ~18,000,000 hash/s  | macOS, sequoia backend, built with Nix       |
46 | | AMD Ryzen 5 3600 @ 3.9GHz (-j12)     | ~80,000,000 hash/s  | NixOS, sequoia backend                       |
47 | | AMD Ryzen 7 3700x @ 4.1GHz (-j16)    | ~120,000,000 hash/s | AOSC OS, sequoia backend                     |
48 | 
49 | Credits
50 | -------
51 | 
52 | [`Sequoia-OpenPGP`](https://sequoia-pgp.org/) and the [`rPGP`](https://github.com/rpgp/rpgp) teams for their awesome works.
53 | 
54 | [@nwalfield](https://github.com/nwalfield) for the extremely helpful tips that improves VanityGPG's performance for several orders of magnitude ([#2](https://github.com/RedL0tus/VanityGPG/issues/2)).
55 | 
56 | Usage
57 | -----
58 | 
59 | ```
60 | vanity_gpg 0.3.0
61 | A simple tool for generating and filtering vanity GPG keys, c0nCurr3nt1Y
62 | 
63 | USAGE:
64 |     vanity_gpg [FLAGS] [OPTIONS] --pattern <pattern>
65 | 
66 | FLAGS:
67 |     -d, --dry-run    Dry run (does not save matched keys)
68 |     -h, --help       Prints help information
69 |     -v, --verbose    Verbose level
70 |     -V, --version    Prints version information
71 | 
72 | OPTIONS:
73 |     -c, --cipher-suite <cipher-suite>
74 |             Cipher suite [default: Ed25519] [possible values: Ed25519, RSA2048, RSA3072, RSA4096,
75 |             NISTP256, NISTP384, NISTP521]
76 | 
77 |     -j, --jobs <jobs>                    Number of threads [default: 8]
78 |     -p, --pattern <pattern>              Regex pattern for matching fingerprints
79 |     -u, --user-id <user-id>              OpenPGP compatible user ID
80 | ```
81 | 
82 | Notes:
83 |  - There will be an extra thread spawned for displaying summary.
84 |  - It's recommended to use multiple rules with regex for maximum efficiency.
85 | 
86 | Errata
87 | ------
88 | 
89 | On AArch64 machines, you may have to disable the `"asm"` feature for `sha-1` before compiling.
90 | 


--------------------------------------------------------------------------------
/build.rs:
--------------------------------------------------------------------------------
 1 | fn main() {
 2 |     #[cfg(target_arch = "aarch64")]
 3 |     {
 4 |         use cc::Build;
 5 |         Build::new().file("src/hex_neon.c").compile("hex");
 6 |     }
 7 |     
 8 |     #[cfg(target_arch = "loongarch64")]
 9 |     {
10 |         use cc::Build;
11 |         let result = Build::new().file("src/hex_lsx.c").flag("-mlsx").try_compile("hex");
12 | 
13 |         match result {
14 |             Ok(_) => println!("cargo:rustc-cfg=compilerSupportLSX"),
15 |             Err(_) => {}
16 |         }
17 |     }
18 | }
19 | 


--------------------------------------------------------------------------------
/shell.nix:
--------------------------------------------------------------------------------
 1 | let
 2 |     nixpkgs = import <nixpkgs> {
 3 |         config.allowUnfree = false;
 4 |         overlays = [ ];
 5 |     };
 6 |     platform_dependencies = if nixpkgs.stdenv.hostPlatform.system == "x86_64-darwin" then nixpkgs.darwin.apple_sdk.frameworks.Security
 7 |         else "";
 8 | in
 9 |     with nixpkgs;
10 |     stdenv.mkDerivation rec {
11 |         name = "vanityPGP";
12 |         env = buildEnv { name = name; paths = buildInputs; };
13 |         buildInputs = [
14 |             # List packages that should be on the path
15 |             # You can search for package names using nix-env -qaP | grep <name>
16 |             stdenv clang nettle pkg-config capnproto sqlite rustc cargo llvm
17 |             llvmPackages.libclang platform_dependencies
18 |         ];
19 | 
20 |         LIBCLANG_PATH="${llvmPackages.libclang}/lib";
21 | 
22 |         shellHook = ''
23 |           export NIX_SHELL_ENV=${name}
24 |         '';
25 |     }
26 | 


--------------------------------------------------------------------------------
/src/hex_lsx.c:
--------------------------------------------------------------------------------
 1 | #include <stdio.h>
 2 | #include <stdint.h>
 3 | #include <lsxintrin.h>
 4 | 
 5 | const uint8_t nine = 9;
 6 | const uint8_t and_mask = 0xf;
 7 | const uint8_t bin_a = 0x37;
 8 | 
 9 | void sha1_to_hex_lsx(const uint8_t *binary, uint8_t *hex) {
10 |   __m128i ascii_zero = __lsx_vldrepl_b((const uint8_t*)"0", 0);
11 |   __m128i nines = __lsx_vldrepl_b(&nine, 0);
12 |   __m128i ascii_a = __lsx_vldrepl_b(&bin_a, 0);
13 |   __m128i and4bits = __lsx_vldrepl_b(&and_mask, 0);
14 | 
15 |   __m128i invec = __lsx_vld((__m128i * const)binary, 0);
16 | 
17 |   __m128i masked1 = __lsx_vand_v(invec, and4bits);
18 |   __m128i masked2 = __lsx_vand_v(__lsx_vsrli_b((invec), 4), and4bits);
19 | 
20 |   __m128i cmpmask1 = __lsx_vslt_bu(nines, masked1);
21 |   __m128i cmpmask2 = __lsx_vslt_bu(nines, masked2);
22 | 
23 |   __m128i masked1_k = __lsx_vsadd_bu(masked1, __lsx_vbitsel_v(ascii_zero, ascii_a, cmpmask1));
24 |   __m128i masked2_k = __lsx_vsadd_bu(masked2, __lsx_vbitsel_v(ascii_zero, ascii_a, cmpmask2));
25 | 
26 |   __m128i res1 = __lsx_vilvl_b(masked1_k, masked2_k);
27 |   __m128i res2 = __lsx_vilvh_b(masked1_k, masked2_k);
28 |   
29 |   __lsx_vst(res1, hex, 0);
30 |   __lsx_vst(res2, hex + 16, 0);
31 | }
32 | 


--------------------------------------------------------------------------------
/src/hex_neon.c:
--------------------------------------------------------------------------------
 1 | #include <stdio.h>
 2 | #include <stdint.h>
 3 | #include <arm_neon.h>
 4 | 
 5 | const uint8_t nine = 9;
 6 | const uint8_t and_mask = 0xf;
 7 | const uint8_t bin_a = 0x37;
 8 | 
 9 | void sha1_to_hex_neon(const uint8_t *binary, uint8_t *hex) {
10 |   uint8x16_t ascii_zero = vld1q_dup_u8((const uint8_t*)"0");
11 |   uint8x16_t nines = vld1q_dup_u8(&nine);
12 |   uint8x16_t ascii_a = vld1q_dup_u8(&bin_a);
13 |   uint8x16_t and4bits = vld1q_dup_u8(&and_mask);
14 | 
15 |   uint8x16_t invec = vld1q_u8(binary);
16 |   uint8x16_t masked1 = vandq_u8(invec, and4bits);
17 |   uint8x16_t masked2 = vandq_u8(vshrq_n_u8((invec), 4), and4bits);
18 | 
19 |   uint8x16_t cmpmask1 = vcgtq_u8(masked1, nines);
20 |   uint8x16_t cmpmask2 = vcgtq_u8(masked2, nines);
21 | 
22 |   uint8x16_t masked1_k = vaddq_u8(masked1, vbslq_u8(cmpmask1, ascii_a, ascii_zero));
23 |   uint8x16_t masked2_k = vaddq_u8(masked2, vbslq_u8(cmpmask2, ascii_a, ascii_zero));
24 | 
25 |   uint8x16_t res1 = vzip1q_u8(masked2_k, masked1_k);
26 |   uint8x16_t res2 = vzip2q_u8(masked2_k, masked1_k);
27 | 
28 |   vst1q_u8(hex, res1);
29 |   vst1q_u8(hex + 16, res2);
30 | }
31 | 


--------------------------------------------------------------------------------
/src/lib.rs:
--------------------------------------------------------------------------------
 1 | //! # VanityGPG
 2 | //!
 3 | //! It works.
 4 | //!
 5 | //! ```rust
 6 | //! use vanity_gpg::{Backend, DefaultBackend, CipherSuite};
 7 | //!
 8 | //! let backend = DefaultBackend::new(CipherSuite::Curve25519).unwrap();
 9 | //! println!("Fingerprint: {}", backend.fingerprint());
10 | //! ```
11 | 
12 | extern crate anyhow;
13 | extern crate byteorder;
14 | #[cfg(feature = "rpgp")]
15 | extern crate chrono;
16 | #[cfg(feature = "rpgp")]
17 | extern crate pgp;
18 | #[cfg(feature = "rpgp")]
19 | extern crate rand;
20 | #[cfg(feature = "sequoia")]
21 | extern crate sequoia_openpgp;
22 | #[cfg(feature = "rpgp")]
23 | extern crate sha1;
24 | #[cfg(feature = "rpgp")]
25 | extern crate smallvec;
26 | extern crate thiserror;
27 | 
28 | pub mod pgp_backends;
29 | #[cfg(feature = "rpgp")]
30 | pub use pgp_backends::RPGPBackend;
31 | #[cfg(feature = "sequoia")]
32 | pub use pgp_backends::SequoiaBackend;
33 | pub use pgp_backends::{ArmoredKey, Backend, CipherSuite, DefaultBackend, UserID};
34 | 
35 | #[cfg(test)]
36 | mod meaningless_test {
37 |     #[test]
38 |     fn it_works() {
39 |         assert_eq!(1 + 1, 2);
40 |     }
41 | }
42 | 


--------------------------------------------------------------------------------
/src/logger/indicatif_backend.rs:
--------------------------------------------------------------------------------
 1 | //! Indicatif backend
 2 | 
 3 | use indicatif::{ProgressBar, ProgressStyle};
 4 | 
 5 | use std::time::Duration;
 6 | 
 7 | use super::ProgressLoggerBackend;
 8 | 
 9 | pub struct IndicatifBackend {
10 |     inner: ProgressBar,
11 | }
12 | 
13 | /// Implementing the backend trait for `ProgressBar` from `indicatif`
14 | impl ProgressLoggerBackend for IndicatifBackend {
15 |     fn println<S: AsRef<str>>(&self, content: S) {
16 |         self.inner.println(content.as_ref());
17 |     }
18 | 
19 |     fn set_message<S: AsRef<str>>(&self, content: S) {
20 |         self.inner.set_message(content.as_ref().to_string())
21 |     }
22 | 
23 |     fn finish(&self) {
24 |         self.inner.finish();
25 |     }
26 | }
27 | 
28 | impl IndicatifBackend {
29 |     pub fn init() -> Self {
30 |         let progress_bar = ProgressBar::new_spinner();
31 |         progress_bar.enable_steady_tick(Duration::from_millis(100));
32 |         progress_bar.set_style(
33 |             ProgressStyle::default_spinner()
34 |                 .tick_strings(&["▹▹▹▹▹", "▸▹▹▹▹", "▹▸▹▹▹", "▹▹▸▹▹", "▹▹▹▸▹", "▹▹▹▹▸"])
35 |                 .template("{spinner:.blue} {msg}").expect("Failed to set theme"),
36 |         );
37 |         progress_bar.set_message("Initializing");
38 |         Self {
39 |             inner: progress_bar,
40 |         }
41 |     }
42 | }
43 | 


--------------------------------------------------------------------------------
/src/logger/mod.rs:
--------------------------------------------------------------------------------
 1 | //! # Logger
 2 | //!
 3 | //! A simple logger implementation that can be used with random progress bar implementations
 4 | 
 5 | mod indicatif_backend;
 6 | 
 7 | use colored::*;
 8 | use log::{set_boxed_logger, set_max_level, Level, Metadata, Record, SetLoggerError};
 9 | 
10 | pub use indicatif_backend::IndicatifBackend;
11 | 
12 | use std::sync::{Arc, Mutex};
13 | 
14 | /// Progress bar backend
15 | pub trait ProgressLoggerBackend: Sync + Send {
16 |     fn println<S: AsRef<str>>(&self, content: S);
17 |     fn set_message<S: AsRef<str>>(&self, content: S);
18 |     fn finish(&self);
19 | }
20 | 
21 | /// Logger that work with a progress bar implementation
22 | pub struct ProgressLogger<B: ProgressLoggerBackend> {
23 |     max_level: Level,
24 |     backend: Arc<Mutex<B>>,
25 | }
26 | 
27 | /// Implementing `Log` trait for `ProgressLogger`
28 | impl<B: ProgressLoggerBackend> log::Log for ProgressLogger<B> {
29 |     fn enabled(&self, metadata: &Metadata) -> bool {
30 |         metadata.level() <= self.max_level
31 |     }
32 | 
33 |     fn log(&self, record: &Record) {
34 |         if !self.enabled(record.metadata()) {
35 |             return;
36 |         }
37 |         let level_name = match record.level() {
38 |             Level::Error => record.level().to_string().red(),
39 |             Level::Warn => record.level().to_string().yellow(),
40 |             Level::Info => record.level().to_string().cyan(),
41 |             Level::Debug => record.level().to_string().purple(),
42 |             Level::Trace => record.level().to_string().normal(),
43 |         };
44 |         let target = if !record.target().is_empty() {
45 |             record.target()
46 |         } else {
47 |             record.module_path().unwrap_or_default()
48 |         };
49 |         self.backend.lock().unwrap().println(format!(
50 |             "{:<5} [{}] {}",
51 |             level_name,
52 |             target,
53 |             record.args()
54 |         ));
55 |     }
56 | 
57 |     fn flush(&self) {}
58 | }
59 | 
60 | /// Main impl block of `ProgressLogger`
61 | impl<B: 'static + ProgressLoggerBackend> ProgressLogger<B> {
62 |     /// Create new `ProgressLogger` instance
63 |     pub fn new(max_level: Level, backend: B) -> Self {
64 |         Self {
65 |             max_level,
66 |             backend: Arc::new(Mutex::new(backend)),
67 |         }
68 |     }
69 | 
70 |     pub fn setup(self) -> Result<(), SetLoggerError> {
71 |         set_max_level(self.max_level.to_level_filter());
72 |         set_boxed_logger(Box::new(self))?;
73 |         Ok(())
74 |     }
75 | 
76 |     /// Get `Arc<Mutex<ProgressLoggerBackend>>`
77 |     pub fn get_backend(&self) -> Arc<Mutex<B>> {
78 |         self.backend.clone()
79 |     }
80 | }
81 | 


--------------------------------------------------------------------------------
/src/main.rs:
--------------------------------------------------------------------------------
  1 | //! # VanityGPG (default binary)
  2 | //!
  3 | //! A simple tool for generating and filtering vanity GPG keys, c0nCurr3nt1Y.
  4 | //! (a.k.a. OpenPGP key fingerprint collision tool)
  5 | 
  6 | extern crate backtrace;
  7 | extern crate clap;
  8 | extern crate colored;
  9 | extern crate indicatif;
 10 | extern crate log;
 11 | extern crate mimalloc;
 12 | extern crate rayon;
 13 | extern crate regex;
 14 | 
 15 | extern crate vanity_gpg;
 16 | 
 17 | mod logger;
 18 | 
 19 | use anyhow::Error;
 20 | use backtrace::Backtrace;
 21 | use clap::{Parser, ValueEnum};
 22 | use log::{debug, info, warn, Level};
 23 | use rayon::ThreadPoolBuilder;
 24 | use regex::Regex;
 25 | 
 26 | use std::env;
 27 | use std::fmt;
 28 | use std::fs::File;
 29 | use std::io::prelude::*;
 30 | use std::panic;
 31 | use std::sync::atomic::{AtomicUsize, Ordering};
 32 | use std::sync::{Arc, Mutex};
 33 | use std::thread;
 34 | use std::time::{Duration, Instant};
 35 | 
 36 | use vanity_gpg::{Backend, CipherSuite, DefaultBackend, UserID};
 37 | 
 38 | use logger::{IndicatifBackend, ProgressLogger, ProgressLoggerBackend};
 39 | 
 40 | #[global_allocator]
 41 | static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 42 | 
 43 | // Constants
 44 | /// Default log level
 45 | const PKG_LOG_LEVEL_DEFAULT: Level = Level::Warn;
 46 | /// Log level with `-v`
 47 | const PKG_LOG_LEVEL_VERBOSE_1: Level = Level::Info;
 48 | /// Log level with `-vv` and beyond
 49 | const PKG_LOG_LEVEL_VERBOSE_2: Level = Level::Debug;
 50 | /// Log level with `-vvv` and beyond
 51 | const PKG_LOG_LEVEL_VERBOSE_3: Level = Level::Trace;
 52 | /// Program version (from `Cargo.toml`)
 53 | const PKG_VERSION: &str = env!("CARGO_PKG_VERSION");
 54 | /// Program description (from `Cargo.toml`)
 55 | const PKG_DESCRIPTION: &str = env!("CARGO_PKG_DESCRIPTION");
 56 | /// Program repository (from `Cargo.toml`)
 57 | const PKG_REPOSITORY: &str = env!("CARGO_PKG_REPOSITORY");
 58 | 
 59 | /// Key reshuffle limit
 60 | const KEY_RESHUFFLE_LIMIT: usize = 60 * 60 * 24 * 30; // One month ago at worst
 61 | /// Counter threshold
 62 | const COUNTER_THRESHOLD: usize = 133331; // Just a random number
 63 | 
 64 | /// Possible values for CipherSuite
 65 | #[derive(ValueEnum, Clone, Debug)]
 66 | enum CipherSuiteValues {
 67 |     Ed25519,
 68 |     RSA2048,
 69 |     RSA3072,
 70 |     RSA4096,
 71 |     NISTP256,
 72 |     NISTP384,
 73 |     NISTP521,
 74 | }
 75 | 
 76 | /// Commandline option parser with `Clap`
 77 | #[derive(Parser, Debug)]
 78 | #[clap(version = PKG_VERSION, about = PKG_DESCRIPTION)]
 79 | struct Opts {
 80 |     /// Concurrent key generation jobs
 81 |     #[clap(
 82 |         short = 'j',
 83 |         long = "jobs",
 84 |         help = "Number of threads",
 85 |         default_value = "8"
 86 |     )]
 87 |     jobs: usize,
 88 |     /// Regex pattern for matching fingerprints
 89 |     #[clap(
 90 |         short = 'p',
 91 |         long = "pattern",
 92 |         help = "Regex pattern for matching fingerprints"
 93 |     )]
 94 |     pattern: String,
 95 |     /// Cipher suite
 96 |     #[clap(
 97 |         short = 'c',
 98 |         long = "cipher-suite",
 99 |         help = "Cipher suite",
100 |     )]
101 |     cipher_suite: CipherSuiteValues,
102 |     /// User ID
103 |     #[clap(short = 'u', long = "user-id", help = "OpenPGP compatible user ID")]
104 |     user_id: Option<String>,
105 |     #[clap(
106 |         short = 'd',
107 |         long = "dry-run",
108 |         help = "Dry run (does not save matched keys)"
109 |     )]
110 |     dry_run: bool,
111 |     /// Verbose level
112 |     #[clap(
113 |         short = 'v',
114 |         long = "verbose",
115 |         help = "Verbose level",
116 |         action = clap::ArgAction::Count
117 |     )]
118 |     verbose: u8,
119 | }
120 | 
121 | /// Counter for statistics
122 | #[derive(Debug)]
123 | struct Counter {
124 |     total: AtomicUsize,
125 |     success: AtomicUsize,
126 | }
127 | 
128 | /// Wrapper for the backends
129 | #[derive(Debug)]
130 | struct Key<B: Backend> {
131 |     backend: B,
132 | }
133 | 
134 | /// Save string to file
135 | fn save_file(file_name: String, content: &str) -> Result<(), Error> {
136 |     let mut file = File::create(file_name)?;
137 |     Ok(file.write_all(content.as_bytes())?)
138 | }
139 | 
140 | /// Set panic hook with repository information
141 | fn setup_panic_hook() {
142 |     panic::set_hook(Box::new(move |panic_info: &panic::PanicInfo| {
143 |         if let Some(info) = panic_info.payload().downcast_ref::<&str>() {
144 |             println!("Panic occurred: {:?}", info);
145 |         } else {
146 |             println!("Panic occurred");
147 |         }
148 |         if let Some(location) = panic_info.location() {
149 |             println!(
150 |                 r#"In file "{}" at line "{}""#,
151 |                 location.file(),
152 |                 location.line()
153 |             );
154 |         }
155 |         println!("Traceback:");
156 |         println!("{:#?}", Backtrace::new());
157 |         println!();
158 |         println!("Please report this error to {}/issues", PKG_REPOSITORY);
159 |     }));
160 | }
161 | 
162 | /// Setup logger and return a `ProgressBar` that can be shared between threads
163 | fn setup_logger<B: 'static + ProgressLoggerBackend>(
164 |     verbosity: u8,
165 |     backend: B,
166 | ) -> Result<Arc<Mutex<B>>, Error> {
167 |     let level = match verbosity {
168 |         0 => PKG_LOG_LEVEL_DEFAULT,
169 |         1 => PKG_LOG_LEVEL_VERBOSE_1,
170 |         2 => PKG_LOG_LEVEL_VERBOSE_2,
171 |         _ => PKG_LOG_LEVEL_VERBOSE_3,
172 |     };
173 |     let logger = ProgressLogger::new(level, backend);
174 |     debug!("Logger initialized");
175 |     let cloned_backend = logger.get_backend();
176 |     logger.setup()?;
177 |     Ok(cloned_backend)
178 | }
179 | 
180 | /// Sub-thread that display status summary
181 | fn setup_summary<B: ProgressLoggerBackend>(logger_backend: Arc<Mutex<B>>, counter: Arc<Counter>) {
182 |     let start = Instant::now();
183 |     loop {
184 |         thread::sleep(Duration::from_millis(100));
185 |         debug!("Updating counter information");
186 |         let secs_elapsed = start.elapsed().as_secs();
187 |         logger_backend.lock().unwrap().set_message(&format!(
188 |             "Summary: {} (avg. {:.2} hash/s)",
189 |             &counter,
190 |             counter.get_total() as f64 / secs_elapsed as f64
191 |         ));
192 |     }
193 | }
194 | 
195 | impl Default for CipherSuiteValues {
196 |     fn default() -> Self {
197 |         Self::Ed25519
198 |     }
199 | }
200 | 
201 | impl From<&CipherSuiteValues> for CipherSuite {
202 |     fn from(value: &CipherSuiteValues) -> Self {
203 |         match &value {
204 |             CipherSuiteValues::Ed25519 => CipherSuite::Curve25519,
205 |             CipherSuiteValues::RSA2048 => CipherSuite::RSA2048,
206 |             CipherSuiteValues::RSA3072 => CipherSuite::RSA3072,
207 |             CipherSuiteValues::RSA4096 => CipherSuite::RSA4096,
208 |             CipherSuiteValues::NISTP256 => CipherSuite::NistP256,
209 |             CipherSuiteValues::NISTP384 => CipherSuite::NistP384,
210 |             CipherSuiteValues::NISTP521 => CipherSuite::NistP521,
211 |         }
212 |     }
213 | }
214 | 
215 | impl Counter {
216 |     /// Create new instance
217 |     fn new() -> Self {
218 |         Self {
219 |             total: AtomicUsize::new(0),
220 |             success: AtomicUsize::new(0),
221 |         }
222 |     }
223 | 
224 |     /// Count towards total numbers of fingerprints generated
225 |     fn count_total(&self, accumulated_counts: usize) {
226 |         self.total.fetch_add(accumulated_counts, Ordering::SeqCst);
227 |     }
228 | 
229 |     /// Count towards total numbers of fingerprints matched
230 |     fn count_success(&self) {
231 |         self.success.fetch_add(1, Ordering::SeqCst);
232 |     }
233 | 
234 |     /// Get number of total fingerprints generated
235 |     fn get_total(&self) -> usize {
236 |         self.total.load(Ordering::SeqCst)
237 |     }
238 | 
239 |     /// Get number of total fingerprints matched
240 |     fn get_success(&self) -> usize {
241 |         self.success.load(Ordering::SeqCst)
242 |     }
243 | }
244 | 
245 | impl fmt::Display for Counter {
246 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
247 |         write!(
248 |             f,
249 |             "{} matched, {} total",
250 |             self.get_success(),
251 |             self.get_total(),
252 |         )
253 |     }
254 | }
255 | 
256 | impl<B: Backend> Key<B> {
257 |     /// Create new instance
258 |     fn new(backend: B) -> Key<B> {
259 |         Key { backend }
260 |     }
261 | 
262 |     /// Get fingerprint
263 |     fn get_fingerprint(&self) -> String {
264 |         self.backend.fingerprint()
265 |     }
266 | 
267 |     /// Rehash the key
268 |     fn shuffle(&mut self) -> Result<(), Error> {
269 |         Ok(self.backend.shuffle()?)
270 |     }
271 | 
272 |     /// Save armored keys
273 |     fn save_key(self, user_id: &UserID, dry_run: bool) -> Result<(), Error> {
274 |         if dry_run {
275 |             return Ok(());
276 |         }
277 |         let fingerprint = self.get_fingerprint();
278 |         info!("saving [{}]", &fingerprint);
279 |         let armored_keys = self.backend.get_armored_results(user_id)?;
280 |         save_file(
281 |             format!("{}-private.asc", &fingerprint),
282 |             armored_keys.get_private_key(),
283 |         )?;
284 |         save_file(
285 |             format!("{}-public.asc", &fingerprint),
286 |             armored_keys.get_public_key(),
287 |         )?;
288 |         Ok(())
289 |     }
290 | }
291 | 
292 | /// Start the program
293 | fn main() -> Result<(), Error> {
294 |     // Setup panic hook
295 |     setup_panic_hook();
296 | 
297 |     // Parse commandline options
298 |     let opts: Opts = Opts::parse();
299 | 
300 |     // Setup logger and show some messages
301 |     let logger_backend = setup_logger(opts.verbose, IndicatifBackend::init())?;
302 |     warn!("Staring VanityGPG version v{}", PKG_VERSION);
303 |     warn!("(So fast, such concurrency, wow)");
304 |     warn!(
305 |         "if you met any issue, please file an issue report to \"{}\"",
306 |         PKG_REPOSITORY
307 |     );
308 |     let counter = Arc::new(Counter::new());
309 | 
310 |     let pool = ThreadPoolBuilder::new()
311 |         .num_threads(opts.jobs + 1)
312 |         .build()?;
313 |     let user_id = UserID::from(opts.user_id);
314 | 
315 |     for thread_id in 0..opts.jobs {
316 |         let user_id_cloned = user_id.clone();
317 |         let pattern = Regex::new(&opts.pattern)?;
318 |         let dry_run = opts.dry_run;
319 |         let cipher_suite = CipherSuite::from(&opts.cipher_suite);
320 |         let counter_cloned = Arc::clone(&counter);
321 |         info!("({}): Spawning thread", thread_id);
322 |         pool.spawn(move || {
323 |             let mut key = Key::new(DefaultBackend::new(cipher_suite.clone()).unwrap());
324 |             let mut reshuffle_counter: usize = KEY_RESHUFFLE_LIMIT;
325 |             let mut report_counter: usize = 0;
326 |             loop {
327 |                 let fingerprint = key.get_fingerprint();
328 |                 if pattern.is_match(&fingerprint) {
329 |                     warn!("({}): [{}] matched", thread_id, &fingerprint);
330 |                     counter_cloned.count_success();
331 |                     key.save_key(&user_id_cloned, dry_run).unwrap_or(());
332 |                     key = Key::new(DefaultBackend::new(cipher_suite.clone()).unwrap());
333 |                 } else if reshuffle_counter == 0 {
334 |                     info!(
335 |                         "({}): Reshuffle limit reached, generating new primary key",
336 |                         thread_id
337 |                     );
338 |                     key = Key::new(DefaultBackend::new(cipher_suite.clone()).unwrap());
339 |                     reshuffle_counter = KEY_RESHUFFLE_LIMIT;
340 |                 } else {
341 |                     info!("({}): [{}] is not a match", thread_id, fingerprint);
342 |                     reshuffle_counter -= 1;
343 |                     key.shuffle().unwrap_or(());
344 |                 }
345 |                 report_counter += 1;
346 |                 if report_counter >= COUNTER_THRESHOLD {
347 |                     counter_cloned.count_total(report_counter);
348 |                     report_counter = 0;
349 |                 }
350 |             }
351 |         });
352 |     }
353 | 
354 |     // Setup summary
355 |     let logger_backend_cloned = Arc::clone(&logger_backend);
356 |     let counter_cloned = Arc::clone(&counter);
357 |     pool.install(move || setup_summary(logger_backend_cloned, counter_cloned));
358 | 
359 |     Ok(())
360 | }
361 | 


--------------------------------------------------------------------------------
/src/pgp_backends/hex.rs:
--------------------------------------------------------------------------------
  1 | //! Hex calculation with SIMD
  2 | //!
  3 | //! Based on code from [`faster-hex`](https://github.com/nervosnetwork/faster-hex)
  4 | //! Originally licensed under the terms of the MIT License.
  5 | 
  6 | #[cfg(target_arch = "x86_64")]
  7 | use std::arch::x86_64::*;
  8 | 
  9 | #[cfg(target_arch = "aarch64")]
 10 | extern "C" {
 11 |     #[link_name = "sha1_to_hex_neon"]
 12 |     fn sha1_to_hex_neon_(binary: *const u8, hex: *mut u8);
 13 | }
 14 | 
 15 | #[cfg(target_arch = "loongarch64")]
 16 | #[cfg(compilerSupportLSX)]
 17 | extern "C" {
 18 |     #[link_name = "sha1_to_hex_lsx"]
 19 |     fn sha1_to_hex_lsx_(binary: *const u8, hex: *mut u8);
 20 | }
 21 | 
 22 | static TABLE: &[u8; 16] = b"0123456789ABCDEF";
 23 | 
 24 | /// SHA-1 binary to hex conversion with SSE4.1
 25 | /// We have a fixed input and output length
 26 | #[target_feature(enable = "sse4.1")]
 27 | #[cfg(target_arch = "x86_64")]
 28 | unsafe fn sha1_to_hex_sse41(binary: &[u8], hex: &mut [u8]) {
 29 |     let ascii_zero = _mm_set1_epi8(b'0' as i8);
 30 |     let nines = _mm_set1_epi8(9);
 31 |     let ascii_a = _mm_set1_epi8((b'A' - 9 - 1) as i8);
 32 |     let and4bits = _mm_set1_epi8(0xf);
 33 | 
 34 |     let invec = _mm_loadu_si128(binary.as_ptr() as *const _);
 35 | 
 36 |     let masked1 = _mm_and_si128(invec, and4bits);
 37 |     let masked2 = _mm_and_si128(_mm_srli_epi64(invec, 4), and4bits);
 38 | 
 39 |     // return 0xff corresponding to the elements > 9, or 0x00 otherwise
 40 |     let cmpmask1 = _mm_cmpgt_epi8(masked1, nines);
 41 |     let cmpmask2 = _mm_cmpgt_epi8(masked2, nines);
 42 | 
 43 |     // add '0' or the offset depending on the masks
 44 |     let masked1 = _mm_add_epi8(masked1, _mm_blendv_epi8(ascii_zero, ascii_a, cmpmask1));
 45 |     let masked2 = _mm_add_epi8(masked2, _mm_blendv_epi8(ascii_zero, ascii_a, cmpmask2));
 46 | 
 47 |     // interleave masked1 and masked2 bytes
 48 |     let res1 = _mm_unpacklo_epi8(masked2, masked1);
 49 |     let res2 = _mm_unpackhi_epi8(masked2, masked1);
 50 | 
 51 |     _mm_storeu_si128(hex.as_mut_ptr() as *mut _, res1);
 52 |     _mm_storeu_si128(hex.as_mut_ptr().offset(16) as *mut _, res2);
 53 | 
 54 |     hex_fallback(&binary[16..], &mut hex[32..]);
 55 | }
 56 | 
 57 | /// SHA-1 binary to hex conversion with SSE4.1
 58 | /// We have a fixed input and output length, and have to pad the input and output
 59 | #[target_feature(enable = "avx2")]
 60 | #[cfg(target_arch = "x86_64")]
 61 | unsafe fn sha1_to_hex_avx2(binary: &[u8], hex: &mut [u8]) {
 62 |     // Preparing padded input and output
 63 |     let mut padded_output: [u8; 64] = [0x0; 64];
 64 |     let mut padded_input: [u8; 32] = [0x0; 32];
 65 |     std::ptr::copy_nonoverlapping(binary.as_ptr(), padded_input.as_mut_ptr(), 20);
 66 | 
 67 |     let ascii_zero = _mm256_set1_epi8(b'0' as i8);
 68 |     let nines = _mm256_set1_epi8(9);
 69 |     let ascii_a = _mm256_set1_epi8((b'A' - 9 - 1) as i8);
 70 |     let and4bits = _mm256_set1_epi8(0xf);
 71 | 
 72 |     let invec = _mm256_loadu_si256(padded_input.as_ptr() as *const _);
 73 |     let masked1 = _mm256_and_si256(invec, and4bits);
 74 |     let masked2 = _mm256_and_si256(_mm256_srli_epi64(invec, 4), and4bits);
 75 |     // return 0xff corresponding to the elements > 9, or 0x00 otherwise
 76 |     let cmpmask1 = _mm256_cmpgt_epi8(masked1, nines);
 77 |     let cmpmask2 = _mm256_cmpgt_epi8(masked2, nines);
 78 | 
 79 |     // add '0' or the offset depending on the masks
 80 |     let masked1 = _mm256_add_epi8(masked1, _mm256_blendv_epi8(ascii_zero, ascii_a, cmpmask1));
 81 |     let masked2 = _mm256_add_epi8(masked2, _mm256_blendv_epi8(ascii_zero, ascii_a, cmpmask2));
 82 | 
 83 |     // interleave masked1 and masked2 bytes
 84 |     let res1 = _mm256_unpacklo_epi8(masked2, masked1);
 85 |     let res2 = _mm256_unpackhi_epi8(masked2, masked1);
 86 | 
 87 |     // Store everything into the right destination now
 88 |     let base = padded_output.as_mut_ptr();
 89 |     let base1 = base.offset(0) as *mut _;
 90 |     let base2 = base.offset(16) as *mut _;
 91 |     let base3 = base.offset(32) as *mut _;
 92 |     let base4 = base.offset(48) as *mut _;
 93 |     _mm256_storeu2_m128i(base3, base1, res1);
 94 |     _mm256_storeu2_m128i(base4, base2, res2);
 95 | 
 96 |     std::ptr::copy_nonoverlapping(padded_output.as_ptr(), hex.as_mut_ptr(), 40);
 97 | }
 98 | 
 99 | #[cfg(target_arch = "aarch64")]
100 | unsafe fn sha1_to_hex_neon(binary: &[u8], hex: &mut [u8]) {
101 |     sha1_to_hex_neon_(binary.as_ptr(), hex.as_mut_ptr());
102 | 
103 |     hex_fallback(&binary[16..], &mut hex[32..]);
104 | }
105 | 
106 | #[cfg(target_arch = "loongarch64")]
107 | #[cfg(compilerSupportLSX)]
108 | unsafe fn sha1_to_hex_lsx(binary: &[u8], hex: &mut [u8]) {
109 |     sha1_to_hex_lsx_(binary.as_ptr(), hex.as_mut_ptr());
110 | 
111 |     hex_fallback(&binary[16..], &mut hex[32..]);
112 | }
113 | 
114 | /// Software implementation of binary to hex
115 | fn hex_fallback(binary: &[u8], hex: &mut [u8]) {
116 |     for (byte, slots) in binary.iter().zip(hex.chunks_mut(2)) {
117 |         slots[0] = TABLE[((*byte >> 4) & 0xF) as usize];
118 |         slots[1] = TABLE[(*byte & 0xF) as usize];
119 |     }
120 | }
121 | 
122 | /// SHA-1 binary to hex
123 | pub fn sha1_to_hex(binary: &[u8]) -> String {
124 |     let mut result: Vec<u8> = vec![0x0; 40];
125 | 
126 |     if cfg!(target_arch = "x86_64") {
127 |         #[cfg(target_arch = "x86_64")]
128 |         if is_x86_feature_detected!("avx2") {
129 |             unsafe { sha1_to_hex_avx2(binary, &mut result) }
130 |         } else if is_x86_feature_detected!("sse4.1") {
131 |             unsafe { sha1_to_hex_sse41(binary, &mut result) }
132 |         } else {
133 |             hex_fallback(binary, &mut result);
134 |         }
135 |     } else if cfg!(target_arch = "aarch64") {
136 |         #[cfg(target_arch = "aarch64")]
137 |         unsafe {
138 |             sha1_to_hex_neon(binary, &mut result)
139 |         }
140 |     } else if cfg!(target_arch = "loongarch64") {
141 |         #[cfg(target_arch = "loongarch64")]
142 |         if cfg!(compilerSupportLSX) {
143 |             unsafe { sha1_to_hex_lsx(binary, &mut result) }
144 |         } else {
145 |             hex_fallback(binary, &mut result);
146 |         }
147 |     } else {
148 |         hex_fallback(binary, &mut result);
149 |     }
150 | 
151 |     unsafe { String::from_utf8_unchecked(result) }
152 | }
153 | 
154 | #[cfg(test)]
155 | mod hex_test {
156 |     use super::sha1_to_hex;
157 |     #[cfg(target_arch = "x86_64")]
158 |     use super::{sha1_to_hex_avx2, sha1_to_hex_sse41};
159 |     use hex::encode_upper;
160 | 
161 |     #[test]
162 |     #[cfg(target_arch = "x86_64")]
163 |     fn test_sha1_to_hex_sse41() {
164 |         if is_x86_feature_detected!("sse4.1") {
165 |             let data: &[u8; 20] = b"0123456789ABCDEFGHIJ";
166 |             let mut result: Vec<u8> = vec![0x0; 40];
167 |             unsafe {
168 |                 sha1_to_hex_sse41(data, &mut result);
169 |             }
170 |             let hex_string = unsafe { String::from_utf8_unchecked(result) };
171 |             assert_eq!(hex_string, encode_upper(data));
172 |         }
173 |     }
174 | 
175 |     #[test]
176 |     #[cfg(target_arch = "x86_64")]
177 |     fn test_sha1_to_hex_avx2() {
178 |         if is_x86_feature_detected!("avx2") {
179 |             let data: &[u8; 20] = b"0123456789ABCDEFGHIJ";
180 |             let mut result: Vec<u8> = vec![0x0; 40];
181 |             unsafe {
182 |                 sha1_to_hex_avx2(data, &mut result);
183 |             }
184 |             let hex_string = unsafe { String::from_utf8_unchecked(result) };
185 |             assert_eq!(hex_string, encode_upper(data));
186 |         }
187 |     }
188 | 
189 |     #[test]
190 |     #[cfg(target_arch = "aarch64")]
191 |     fn test_sha1_to_hex_neon() {
192 |         use super::sha1_to_hex_neon;
193 |         let data: &[u8; 20] = b"0123456789ABCDEFGHIJ";
194 |         let mut result: Vec<u8> = vec![0x0; 40];
195 |         unsafe {
196 |             sha1_to_hex_neon(data, &mut result);
197 |         }
198 |         let hex_string = unsafe { String::from_utf8_unchecked(result) };
199 |         assert_eq!(hex_string, encode_upper(data));
200 |     }
201 | 
202 |     #[test]
203 |     #[cfg(target_arch = "loongarch64")]
204 |     #[cfg(compilerSupportLSX)]
205 |     fn test_sha1_to_hex_lsx() {
206 |         use super::sha1_to_hex_lsx;
207 |         let data: &[u8; 20] = b"0123456789ABCDEFGHIJ";
208 |         let mut result: Vec<u8> = vec![0x0; 40];
209 |         unsafe {
210 |             sha1_to_hex_lsx(data, &mut result);
211 |         }
212 |         let hex_string = unsafe { String::from_utf8_unchecked(result) };
213 |         assert_eq!(hex_string, encode_upper(data));
214 |     }
215 | 
216 |     #[test]
217 |     fn test_sha1_to_hex() {
218 |         let data: &[u8; 20] = b"0123456789ABCDEFGHIJ";
219 |         assert_eq!(sha1_to_hex(data), encode_upper(data));
220 |     }
221 | }
222 | 


--------------------------------------------------------------------------------
/src/pgp_backends/mod.rs:
--------------------------------------------------------------------------------
  1 | //! OpenPGP processing backends
  2 | //!
  3 | //! This module contains adapters or wrappers for different OpenPGP implementations.
  4 | mod hex;
  5 | 
  6 | #[cfg(feature = "rpgp")]
  7 | mod rpgp_backend;
  8 | #[cfg(feature = "sequoia")]
  9 | mod sequoia_backend;
 10 | 
 11 | pub use anyhow::Error as UniversalError;
 12 | use thiserror::Error;
 13 | 
 14 | pub use self::hex::sha1_to_hex;
 15 | 
 16 | #[cfg(feature = "sequoia")]
 17 | pub use sequoia_backend::SequoiaBackend;
 18 | 
 19 | #[cfg(feature = "rpgp")]
 20 | pub use rpgp_backend::RPGPBackend;
 21 | 
 22 | use std::str::FromStr;
 23 | 
 24 | /// The default backend
 25 | #[cfg(any(
 26 |     all(feature = "sequoia", not(feature = "rpgp")),
 27 |     all(feature = "sequoia", feature = "rpgp")
 28 | ))]
 29 | pub type DefaultBackend = SequoiaBackend;
 30 | 
 31 | /// The default backend
 32 | #[cfg(all(feature = "rpgp", not(feature = "sequoia")))]
 33 | pub type DefaultBackend = RPGPBackend;
 34 | 
 35 | /// Universal PGP errors
 36 | #[derive(Clone, Debug, Error)]
 37 | pub enum PGPError {
 38 |     #[error("Cipher suite not supported: {0}")]
 39 |     CipherSuiteNotSupported(String),
 40 |     #[error("Algorithm is not supported by the current backend: {0}")]
 41 |     AlgorithmNotSupportedByTheCurrentBackend(String),
 42 |     #[error("Failed to generate key")]
 43 |     KeyGenerationFailed,
 44 |     #[error("This is a mysterious error, it should never appear")]
 45 |     MysteriousError,
 46 |     #[error("Invalid key generated")]
 47 |     InvalidKeyGenerated,
 48 |     #[error("Failed to modify generation time")]
 49 |     FailedToModifyGenerationTime,
 50 | }
 51 | 
 52 | /// Cipher suites for OpenPGP keys
 53 | #[derive(Debug, Clone)]
 54 | pub enum CipherSuite {
 55 |     RSA2048,
 56 |     RSA3072,
 57 |     RSA4096,
 58 |     Curve25519,
 59 |     NistP256,
 60 |     NistP384,
 61 |     NistP521,
 62 | }
 63 | 
 64 | /// Variations of RSA keys
 65 | #[derive(Debug, Clone)]
 66 | pub enum Rsa {
 67 |     RSA2048,
 68 |     RSA3072,
 69 |     RSA4096,
 70 | }
 71 | 
 72 | /// Variations of ECC curves
 73 | #[derive(Debug, Clone)]
 74 | pub enum Curve {
 75 |     Cv25519,
 76 |     Ed25519,
 77 |     NistP256,
 78 |     NistP384,
 79 |     NistP521,
 80 | }
 81 | 
 82 | /// Algorithms
 83 | #[derive(Debug, Clone)]
 84 | pub enum Algorithms {
 85 |     Rsa(Rsa),
 86 |     Ecc(Curve),
 87 | }
 88 | 
 89 | /// UserID
 90 | #[derive(Debug, Clone)]
 91 | pub struct UserID {
 92 |     id: Option<String>,
 93 | }
 94 | 
 95 | /// Wrapped armored keys
 96 | #[derive(Debug, Clone)]
 97 | pub struct ArmoredKey {
 98 |     public: String,
 99 |     private: String,
100 | }
101 | 
102 | /// Backend adaptor trait
103 | pub trait Backend {
104 |     /// Get the fingerprint of the key
105 |     fn fingerprint(&self) -> String;
106 | 
107 |     /// Rehash the fingerprint
108 |     fn shuffle(&mut self) -> Result<(), PGPError>;
109 | 
110 |     /// Get armored secret key and public key
111 |     fn get_armored_results(self, uid: &UserID) -> Result<ArmoredKey, UniversalError>;
112 | }
113 | 
114 | impl FromStr for UserID {
115 |     type Err = PGPError;
116 | 
117 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
118 |         Ok(Self {
119 |             id: Some(s.to_string()),
120 |         })
121 |     }
122 | }
123 | 
124 | impl From<String> for UserID {
125 |     fn from(string: String) -> Self {
126 |         Self { id: Some(string) }
127 |     }
128 | }
129 | 
130 | impl From<Option<String>> for UserID {
131 |     fn from(string: Option<String>) -> Self {
132 |         Self { id: string }
133 |     }
134 | }
135 | 
136 | impl Default for CipherSuite {
137 |     fn default() -> Self {
138 |         Self::Curve25519
139 |     }
140 | }
141 | 
142 | impl FromStr for CipherSuite {
143 |     type Err = PGPError;
144 | 
145 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
146 |         match s.to_lowercase().as_str() {
147 |             "rsa2048" | "rsa2k" => Ok(CipherSuite::RSA2048),
148 |             "rsa3072" | "rsa3k" => Ok(CipherSuite::RSA3072),
149 |             "rsa4096" | "rsa4k" => Ok(CipherSuite::RSA4096),
150 |             "cv25519" | "ed25519" | "curve25519" => Ok(CipherSuite::Curve25519),
151 |             "nistp256" | "p256" => Ok(CipherSuite::NistP256),
152 |             "nistp384" | "p384" => Ok(CipherSuite::NistP384),
153 |             "nistp521" | "p521" => Ok(CipherSuite::NistP521),
154 |             s => Err(PGPError::CipherSuiteNotSupported(String::from(s))),
155 |         }
156 |     }
157 | }
158 | 
159 | impl CipherSuite {
160 |     /// Get the specific algorithm from cipher suite
161 |     fn get_algorithm(&self, encryption: bool) -> Algorithms {
162 |         match self {
163 |             CipherSuite::RSA2048 => Algorithms::Rsa(Rsa::RSA2048),
164 |             CipherSuite::RSA3072 => Algorithms::Rsa(Rsa::RSA3072),
165 |             CipherSuite::RSA4096 => Algorithms::Rsa(Rsa::RSA4096),
166 |             CipherSuite::Curve25519 => {
167 |                 if encryption {
168 |                     Algorithms::Ecc(Curve::Cv25519)
169 |                 } else {
170 |                     Algorithms::Ecc(Curve::Ed25519)
171 |                 }
172 |             }
173 |             CipherSuite::NistP256 => Algorithms::Ecc(Curve::NistP256),
174 |             CipherSuite::NistP384 => Algorithms::Ecc(Curve::NistP384),
175 |             CipherSuite::NistP521 => Algorithms::Ecc(Curve::NistP521),
176 |         }
177 |     }
178 | 
179 |     /// Get singing key algorithm with the current cipher suite
180 |     pub fn get_signing_key_algorithm(&self) -> Algorithms {
181 |         self.get_algorithm(false)
182 |     }
183 | 
184 |     /// Get the encryption algorithm with the current cipher suite
185 |     pub fn get_encryption_key_algorithm(&self) -> Algorithms {
186 |         self.get_algorithm(true)
187 |     }
188 | }
189 | 
190 | impl UserID {
191 |     /// Unwrap the UserID
192 |     pub fn get_id(&self) -> Option<String> {
193 |         self.id.clone()
194 |     }
195 | }
196 | 
197 | impl ArmoredKey {
198 |     /// Create new instance
199 |     pub fn new<S: Into<String>>(public: S, private: S) -> Self {
200 |         Self {
201 |             public: public.into(),
202 |             private: private.into(),
203 |         }
204 |     }
205 | 
206 |     /// Get a reference to the public key
207 |     pub fn get_public_key(&self) -> &str {
208 |         &self.public
209 |     }
210 | 
211 |     /// Get a reference to the private key
212 |     pub fn get_private_key(&self) -> &str {
213 |         &self.private
214 |     }
215 | }
216 | 


--------------------------------------------------------------------------------
/src/pgp_backends/rpgp_backend.rs:
--------------------------------------------------------------------------------
  1 | //! rPGP backend
  2 | //!
  3 | //! This is a wrapper of the `rPGP` crate for generating vanity OpenPGP keys.
  4 | 
  5 | use byteorder::{BigEndian, ByteOrder};
  6 | use chrono::{DateTime, TimeZone, Utc};
  7 | use pgp::composed::{KeyDetails, SecretKey, SecretSubkey};
  8 | use pgp::crypto::hash::HashAlgorithm;
  9 | use pgp::crypto::public_key::PublicKeyAlgorithm;
 10 | use pgp::crypto::sym::SymmetricKeyAlgorithm;
 11 | use pgp::crypto::{ecdh, eddsa, rsa};
 12 | use pgp::key::KeyType;
 13 | use pgp::packet::{
 14 |     KeyFlags, PublicKey as PublicKeyPacket, PublicSubkey as PublicSubkeyPacket,
 15 |     SecretKey as SecretKeyPacket, SecretSubkey as SecretSubkeyPacket, UserId as UserIDPacket,
 16 | };
 17 | use pgp::ser::Serialize;
 18 | use pgp::types::{
 19 |     CompressionAlgorithm, KeyVersion, PublicParams, SecretKeyTrait, SecretParams, Version,
 20 | };
 21 | use rand::rngs::StdRng;
 22 | use rand::SeedableRng;
 23 | use sha1::{Digest, Sha1};
 24 | use smallvec::smallvec;
 25 | 
 26 | use super::{sha1_to_hex, ArmoredKey, Backend, CipherSuite, PGPError, UniversalError, UserID};
 27 | 
 28 | /// Converter for transmuting to struct with private fields
 29 | #[allow(dead_code)]
 30 | struct PublicKeyPacketConverter {
 31 |     packet_version: Version,
 32 |     version: KeyVersion,
 33 |     algorithm: PublicKeyAlgorithm,
 34 |     created_at: DateTime<Utc>,
 35 |     expiration: Option<u16>,
 36 |     public_params: PublicParams,
 37 | }
 38 | 
 39 | /// Converter for transmuting to struct with private fields
 40 | #[allow(dead_code)]
 41 | struct SecretKeyPacketConverter {
 42 |     details: PublicKeyPacket,
 43 |     secret_params: SecretParams,
 44 | }
 45 | 
 46 | /// Converter for transmuting to struct with private fields
 47 | #[allow(dead_code)]
 48 | struct SecretSubkeyPacketConverter {
 49 |     details: PublicSubkeyPacket,
 50 |     secret_params: SecretParams,
 51 | }
 52 | 
 53 | /// VanityGPG backend powered by rPGP
 54 | #[derive(Debug)]
 55 | pub struct RPGPBackend {
 56 |     public_params: PublicParams,
 57 |     secret_params: SecretParams,
 58 |     key_type: KeyType,
 59 |     cipher_suite: CipherSuite,
 60 |     timestamp: u32,
 61 |     packet_cache: Vec<u8>,
 62 | }
 63 | 
 64 | /// Generate key with the required `CipherSuite`
 65 | // So messy, wow
 66 | fn generate_key(
 67 |     cipher_suite: &CipherSuite,
 68 |     for_signing: bool,
 69 | ) -> Result<(KeyType, PublicParams, SecretParams), PGPError> {
 70 |     let mut rng = StdRng::from_entropy();
 71 |     match {
 72 |         match cipher_suite {
 73 |             &CipherSuite::RSA2048 => {
 74 |                 Ok((KeyType::Rsa(2048), rsa::generate_key(&mut rng, 2048usize)))
 75 |             }
 76 |             &CipherSuite::RSA3072 => {
 77 |                 Ok((KeyType::Rsa(3072), rsa::generate_key(&mut rng, 3072usize)))
 78 |             }
 79 |             &CipherSuite::RSA4096 => {
 80 |                 Ok((KeyType::Rsa(4096), rsa::generate_key(&mut rng, 4096usize)))
 81 |             }
 82 |             &CipherSuite::Curve25519 => {
 83 |                 if for_signing {
 84 |                     Ok((KeyType::EdDSA, Ok(eddsa::generate_key(&mut rng))))
 85 |                 } else {
 86 |                     Ok((KeyType::ECDH, Ok(ecdh::generate_key(&mut rng))))
 87 |                 }
 88 |             }
 89 |             _ => Err(PGPError::AlgorithmNotSupportedByTheCurrentBackend(
 90 |                 "NIST ECC curves are not supported".to_string(),
 91 |             )),
 92 |         }
 93 |     } {
 94 |         Ok((key_type, Ok((public_params, plain_secret_params)))) => Ok((
 95 |             key_type,
 96 |             public_params,
 97 |             SecretParams::Plain(plain_secret_params),
 98 |         )),
 99 |         Ok((_key_type, Err(_))) => Err(PGPError::KeyGenerationFailed),
100 |         Err(e) => Err(e),
101 |     }
102 | }
103 | 
104 | impl Into<PublicKeyPacket> for PublicKeyPacketConverter {
105 |     /// Transmuting to `PublicKeyPacket`
106 |     fn into(self) -> PublicKeyPacket {
107 |         unsafe { std::mem::transmute::<PublicKeyPacketConverter, PublicKeyPacket>(self) }
108 |     }
109 | }
110 | 
111 | impl Into<PublicSubkeyPacket> for PublicKeyPacketConverter {
112 |     /// Transmuting to `PublicSubkeyPacket`
113 |     fn into(self) -> PublicSubkeyPacket {
114 |         unsafe { std::mem::transmute::<PublicKeyPacketConverter, PublicSubkeyPacket>(self) }
115 |     }
116 | }
117 | 
118 | impl PublicKeyPacketConverter {
119 |     /// Create new instance
120 |     fn new(algorithm: PublicKeyAlgorithm, public_params: PublicParams, created_at: u32) -> Self {
121 |         Self {
122 |             packet_version: Version::New,
123 |             version: KeyVersion::V4,
124 |             algorithm,
125 |             created_at: Utc.timestamp(created_at as i64, 0),
126 |             expiration: None,
127 |             public_params,
128 |         }
129 |     }
130 | }
131 | 
132 | impl Into<SecretKeyPacket> for SecretKeyPacketConverter {
133 |     /// Transmuting to `SecretKeyPacket`
134 |     fn into(self) -> SecretKeyPacket {
135 |         unsafe { std::mem::transmute::<SecretKeyPacketConverter, SecretKeyPacket>(self) }
136 |     }
137 | }
138 | 
139 | impl SecretKeyPacketConverter {
140 |     /// Create new instance
141 |     fn new(details: PublicKeyPacket, secret_params: SecretParams) -> Self {
142 |         Self {
143 |             details,
144 |             secret_params,
145 |         }
146 |     }
147 | }
148 | 
149 | impl Into<SecretSubkeyPacket> for SecretSubkeyPacketConverter {
150 |     /// Transmuting to `SecretSubkeyPacket`
151 |     fn into(self) -> SecretSubkeyPacket {
152 |         unsafe { std::mem::transmute::<SecretSubkeyPacketConverter, SecretSubkeyPacket>(self) }
153 |     }
154 | }
155 | 
156 | impl SecretSubkeyPacketConverter {
157 |     /// Create new instance
158 |     fn new(details: PublicSubkeyPacket, secret_params: SecretParams) -> Self {
159 |         Self {
160 |             details,
161 |             secret_params,
162 |         }
163 |     }
164 | }
165 | 
166 | impl Backend for RPGPBackend {
167 |     fn fingerprint(&self) -> String {
168 |         let mut hasher = Sha1::new();
169 |         hasher.update(&self.packet_cache);
170 |         sha1_to_hex(&hasher.finalize().to_vec())
171 |     }
172 | 
173 |     fn shuffle(&mut self) -> Result<(), PGPError> {
174 |         self.timestamp -= 1;
175 |         BigEndian::write_u32(&mut self.packet_cache[4..8], self.timestamp);
176 |         Ok(())
177 |     }
178 | 
179 |     fn get_armored_results(self, uid: &UserID) -> Result<ArmoredKey, UniversalError> {
180 |         // Generate Subkey
181 |         let mut subkey_flags = KeyFlags::default();
182 |         subkey_flags.set_encrypt_storage(true);
183 |         subkey_flags.set_encrypt_comms(true);
184 |         let (subkey_type, subkey_public_params, subkey_secret_params) =
185 |             generate_key(&self.cipher_suite, false)?;
186 |         let public_subkey_packet: PublicSubkeyPacket = PublicKeyPacketConverter::new(
187 |             subkey_type.to_alg(),
188 |             subkey_public_params,
189 |             self.timestamp,
190 |         )
191 |         .into();
192 |         let secret_subkey_packet: SecretSubkeyPacket =
193 |             SecretSubkeyPacketConverter::new(public_subkey_packet, subkey_secret_params).into();
194 |         let secret_subkey = SecretSubkey::new(secret_subkey_packet, subkey_flags);
195 | 
196 |         let uid_packet =
197 |             UserIDPacket::from_str(Default::default(), &uid.get_id().unwrap_or("".to_string()));
198 |         let mut key_flags = KeyFlags::default();
199 |         key_flags.set_certify(true);
200 |         key_flags.set_sign(true);
201 |         let key_details = KeyDetails::new(
202 |             uid_packet,
203 |             Vec::new(),
204 |             Vec::new(),
205 |             key_flags,
206 |             smallvec![SymmetricKeyAlgorithm::AES256, SymmetricKeyAlgorithm::AES128,],
207 |             smallvec![HashAlgorithm::SHA2_512, HashAlgorithm::SHA2_256],
208 |             smallvec![CompressionAlgorithm::ZLIB],
209 |             None,
210 |         );
211 |         let primary_public_key_packet: PublicKeyPacket = PublicKeyPacketConverter::new(
212 |             self.key_type.to_alg(),
213 |             self.public_params,
214 |             self.timestamp,
215 |         )
216 |         .into();
217 |         let primary_secret_key_packet: SecretKeyPacket =
218 |             SecretKeyPacketConverter::new(primary_public_key_packet, self.secret_params).into();
219 | 
220 |         let signed_secret_key = SecretKey::new(
221 |             primary_secret_key_packet,
222 |             key_details,
223 |             Default::default(),
224 |             vec![secret_subkey],
225 |         )
226 |         .sign(|| "".to_string())?;
227 | 
228 |         let signed_public_key = signed_secret_key
229 |             .public_key()
230 |             .sign(&signed_secret_key, || "".to_string())?;
231 | 
232 |         Ok(ArmoredKey::new(
233 |             signed_public_key.to_armored_string(None)?,
234 |             signed_secret_key.to_armored_string(None)?,
235 |         ))
236 |     }
237 | }
238 | 
239 | impl RPGPBackend {
240 |     /// Create new instance
241 |     pub fn new<C: Into<CipherSuite>>(cipher_suite: C) -> Result<Self, PGPError> {
242 |         let valid_cipher_suite = cipher_suite.into();
243 |         if let Ok((key_type, public_params, secret_params)) =
244 |             generate_key(&valid_cipher_suite, true)
245 |         {
246 |             let timestamp = Utc::now().timestamp() as u32;
247 |             let mut packet_cache: Vec<u8> = vec![0x99, 0, 0, 4, 0, 0, 0, 0]; // Version 4
248 |             BigEndian::write_u32(&mut packet_cache[4..8], timestamp); // Timestamp
249 |             packet_cache.push(key_type.to_alg() as u8); // Algorithm identifier
250 |             public_params
251 |                 .to_writer(&mut packet_cache)
252 |                 .expect("Failed to write public_params to packet cache");
253 |             let packet_length = (packet_cache.len() as u16) - 3;
254 |             BigEndian::write_u16(&mut packet_cache[1..3], packet_length);
255 |             Ok(Self {
256 |                 public_params,
257 |                 secret_params,
258 |                 key_type,
259 |                 cipher_suite: valid_cipher_suite,
260 |                 timestamp,
261 |                 packet_cache,
262 |             })
263 |         } else {
264 |             Err(PGPError::KeyGenerationFailed)
265 |         }
266 |     }
267 | 
268 |     #[allow(dead_code)]
269 |     /// Get public params
270 |     pub(crate) fn get_public_params(self) -> PublicParams {
271 |         self.public_params
272 |     }
273 | 
274 |     #[allow(dead_code)]
275 |     /// Get `u32` timestamp
276 |     // Boo! You've just found something that will go wrong after the year 2038
277 |     pub(crate) fn get_timestamp(&self) -> u32 {
278 |         self.timestamp
279 |     }
280 | }
281 | 
282 | #[cfg(test)]
283 | mod rpgp_backend_test {
284 |     use super::{
285 |         Backend, CipherSuite, PublicKeyAlgorithm, PublicKeyPacket, PublicKeyPacketConverter,
286 |         RPGPBackend, UserID,
287 |     };
288 |     use hex::encode_upper;
289 |     use pgp::composed::{Deserializable, SignedSecretKey};
290 |     use pgp::types::KeyTrait;
291 |     use std::io::Cursor;
292 | 
293 |     #[test]
294 |     fn ed25519_key_generation() {
295 |         let backend = RPGPBackend::new(CipherSuite::Curve25519).unwrap();
296 |         let timestamp = backend.get_timestamp();
297 |         let public_params = backend.get_public_params();
298 |         let _public_key_packet: PublicKeyPacket =
299 |             PublicKeyPacketConverter::new(PublicKeyAlgorithm::EdDSA, public_params, timestamp)
300 |                 .into();
301 |     }
302 | 
303 |     #[test]
304 |     fn ed25519_fingerprint_calculation() {
305 |         let backend = RPGPBackend::new(CipherSuite::Curve25519).unwrap();
306 |         let fingerprint_custom = backend.fingerprint();
307 |         let timestamp = backend.get_timestamp();
308 |         let public_params = backend.get_public_params();
309 |         let public_key_packet: PublicKeyPacket =
310 |             PublicKeyPacketConverter::new(PublicKeyAlgorithm::EdDSA, public_params, timestamp)
311 |                 .into();
312 |         let fingerprint_rpgp = encode_upper(public_key_packet.fingerprint());
313 | 
314 |         assert_eq!(fingerprint_custom, fingerprint_rpgp);
315 |     }
316 | 
317 |     #[test]
318 |     fn ed25519_shuffle() {
319 |         let mut backend = RPGPBackend::new(CipherSuite::Curve25519).unwrap();
320 |         let fingerprint_custom_before = backend.fingerprint();
321 |         let timestamp_before = backend.get_timestamp();
322 |         backend.shuffle().unwrap();
323 |         let fingerprint_custom_after = backend.fingerprint();
324 |         let timestamp_after = backend.get_timestamp();
325 |         assert_ne!(timestamp_before, timestamp_after);
326 | 
327 |         let public_params = backend.get_public_params();
328 |         let public_key_packet_before: PublicKeyPacket = PublicKeyPacketConverter::new(
329 |             PublicKeyAlgorithm::EdDSA,
330 |             public_params.clone(),
331 |             timestamp_before,
332 |         )
333 |         .into();
334 |         let fingerprint_rpgp_before = encode_upper(public_key_packet_before.fingerprint());
335 |         let public_key_packet_after: PublicKeyPacket = PublicKeyPacketConverter::new(
336 |             PublicKeyAlgorithm::EdDSA,
337 |             public_params,
338 |             timestamp_after,
339 |         )
340 |         .into();
341 |         let fingerprint_rpgp_after = encode_upper(public_key_packet_after.fingerprint());
342 | 
343 |         assert_eq!(fingerprint_custom_before, fingerprint_rpgp_before);
344 |         assert_eq!(fingerprint_custom_after, fingerprint_rpgp_after);
345 |     }
346 | 
347 |     #[test]
348 |     fn ed25519_export() {
349 |         let mut backend = RPGPBackend::new(CipherSuite::Curve25519).unwrap();
350 |         backend.shuffle().unwrap();
351 |         let fingerprint_before = backend.fingerprint();
352 |         let uid = UserID::from("Tiansuo Li <114514@example.com>".to_string());
353 |         let results = backend.get_armored_results(&uid).unwrap();
354 |         assert!(!results.get_private_key().is_empty());
355 |         assert!(!results.get_public_key().is_empty());
356 | 
357 |         let cursor = Cursor::new(results.get_private_key());
358 | 
359 |         let key = SignedSecretKey::from_armor_single(cursor).unwrap().0;
360 |         let fingerprint_after = encode_upper(key.fingerprint());
361 |         assert_eq!(fingerprint_before, fingerprint_after);
362 |         assert_eq!(key.algorithm(), PublicKeyAlgorithm::EdDSA);
363 |         assert_eq!(
364 |             &key.details.users[0].id.id(),
365 |             &"Tiansuo Li <114514@example.com>"
366 |         );
367 |         key.verify().unwrap();
368 |     }
369 | 
370 |     #[test]
371 |     fn rsa2048_key_generation() {
372 |         let backend = RPGPBackend::new(CipherSuite::RSA2048).unwrap();
373 |         let timestamp = backend.get_timestamp();
374 |         let public_params = backend.get_public_params();
375 |         let _public_key_packet: PublicKeyPacket =
376 |             PublicKeyPacketConverter::new(PublicKeyAlgorithm::RSA, public_params, timestamp).into();
377 |     }
378 | 
379 |     #[test]
380 |     fn rsa2048_fingerprint_calculation() {
381 |         let backend = RPGPBackend::new(CipherSuite::RSA2048).unwrap();
382 |         let fingerprint_custom = backend.fingerprint();
383 |         let timestamp = backend.get_timestamp();
384 |         let public_params = backend.get_public_params();
385 |         let public_key_packet: PublicKeyPacket =
386 |             PublicKeyPacketConverter::new(PublicKeyAlgorithm::RSA, public_params, timestamp).into();
387 |         let fingerprint_rpgp = encode_upper(public_key_packet.fingerprint());
388 | 
389 |         assert_eq!(fingerprint_custom, fingerprint_rpgp);
390 |     }
391 | 
392 |     #[test]
393 |     fn rsa2048_shuffle() {
394 |         let mut backend = RPGPBackend::new(CipherSuite::RSA2048).unwrap();
395 |         let fingerprint_custom_before = backend.fingerprint();
396 |         let timestamp_before = backend.get_timestamp();
397 |         backend.shuffle().unwrap();
398 |         let fingerprint_custom_after = backend.fingerprint();
399 |         let timestamp_after = backend.get_timestamp();
400 |         assert_ne!(timestamp_before, timestamp_after);
401 | 
402 |         let public_params = backend.get_public_params();
403 |         let public_key_packet_before: PublicKeyPacket = PublicKeyPacketConverter::new(
404 |             PublicKeyAlgorithm::RSA,
405 |             public_params.clone(),
406 |             timestamp_before,
407 |         )
408 |         .into();
409 |         let fingerprint_rpgp_before = encode_upper(public_key_packet_before.fingerprint());
410 |         let public_key_packet_after: PublicKeyPacket =
411 |             PublicKeyPacketConverter::new(PublicKeyAlgorithm::RSA, public_params, timestamp_after)
412 |                 .into();
413 |         let fingerprint_rpgp_after = encode_upper(public_key_packet_after.fingerprint());
414 | 
415 |         assert_eq!(fingerprint_custom_before, fingerprint_rpgp_before);
416 |         assert_eq!(fingerprint_custom_after, fingerprint_rpgp_after);
417 |     }
418 | 
419 |     #[test]
420 |     fn rsa2048_export() {
421 |         let mut backend = RPGPBackend::new(CipherSuite::RSA2048).unwrap();
422 |         backend.shuffle().unwrap();
423 |         let fingerprint_before = backend.fingerprint();
424 |         let uid = UserID::from("Tiansuo Li <114514@example.com>".to_string());
425 |         let results = backend.get_armored_results(&uid).unwrap();
426 |         assert!(!results.get_private_key().is_empty());
427 |         assert!(!results.get_public_key().is_empty());
428 | 
429 |         let cursor = Cursor::new(results.get_private_key());
430 | 
431 |         let key = SignedSecretKey::from_armor_single(cursor).unwrap().0;
432 |         let fingerprint_after = encode_upper(key.fingerprint());
433 |         assert_eq!(fingerprint_before, fingerprint_after);
434 |         assert_eq!(key.algorithm(), PublicKeyAlgorithm::RSA);
435 |         assert_eq!(
436 |             &key.details.users[0].id.id(),
437 |             &"Tiansuo Li <114514@example.com>"
438 |         );
439 |         key.verify().unwrap();
440 |     }
441 | }
442 | 


--------------------------------------------------------------------------------
/src/pgp_backends/sequoia_backend.rs:
--------------------------------------------------------------------------------
  1 | //! Sequoia-OpenPGP backend
  2 | //!
  3 | //! This is a wrapper of the `Sequoia-OpenPGP` crate for generating vanity OpenPGP keys.
  4 | 
  5 | use byteorder::{BigEndian, ByteOrder};
  6 | use nettle::hash::insecure_do_not_use::Sha1;
  7 | use nettle::hash::Hash;
  8 | use sequoia_openpgp::armor::{Kind, Writer};
  9 | use sequoia_openpgp::packet::key::{Key4, PrimaryRole, SecretParts};
 10 | use sequoia_openpgp::packet::signature::SignatureBuilder;
 11 | use sequoia_openpgp::packet::Key;
 12 | use sequoia_openpgp::packet::UserID as SequoiaUserID;
 13 | use sequoia_openpgp::serialize::{MarshalInto, SerializeInto};
 14 | use sequoia_openpgp::types::{
 15 |     Curve as SequoiaCurve, Features, HashAlgorithm, KeyFlags, SignatureType, SymmetricAlgorithm,
 16 | };
 17 | use sequoia_openpgp::{Cert, Packet};
 18 | 
 19 | use super::{
 20 |     sha1_to_hex, Algorithms, ArmoredKey, Backend, CipherSuite, Curve, PGPError, Rsa,
 21 |     UniversalError, UserID,
 22 | };
 23 | 
 24 | use std::io::Write;
 25 | use std::time::Duration;
 26 | use std::time::UNIX_EPOCH;
 27 | 
 28 | /// The `Sequoia-OpenPGP` backend wrapper
 29 | #[derive(Debug)]
 30 | pub struct SequoiaBackend {
 31 |     primary_key: Key4<SecretParts, PrimaryRole>,
 32 |     cipher_suite: CipherSuite,
 33 |     timestamp: u32,
 34 |     packet_cache: Vec<u8>,
 35 | }
 36 | 
 37 | /// Generate key with the required `CipherSuite`
 38 | fn generate_key(
 39 |     algorithm: Algorithms,
 40 |     for_signing: bool,
 41 | ) -> Result<Key4<SecretParts, PrimaryRole>, PGPError> {
 42 |     let wrapped_key: Result<Key4<SecretParts, PrimaryRole>, UniversalError> = match algorithm {
 43 |         Algorithms::Rsa(rsa) => match rsa {
 44 |             Rsa::RSA2048 => Key4::generate_rsa(2048),
 45 |             Rsa::RSA3072 => Key4::generate_rsa(3072),
 46 |             Rsa::RSA4096 => Key4::generate_rsa(4096),
 47 |         },
 48 |         Algorithms::Ecc(curve) => match curve {
 49 |             Curve::Ed25519 => Key4::generate_ecc(for_signing, SequoiaCurve::Ed25519),
 50 |             Curve::Cv25519 => Key4::generate_ecc(for_signing, SequoiaCurve::Cv25519),
 51 |             Curve::NistP256 => Key4::generate_ecc(for_signing, SequoiaCurve::NistP256),
 52 |             Curve::NistP384 => Key4::generate_ecc(for_signing, SequoiaCurve::NistP384),
 53 |             Curve::NistP521 => Key4::generate_ecc(for_signing, SequoiaCurve::NistP521),
 54 |         },
 55 |     };
 56 |     if let Ok(key) = wrapped_key {
 57 |         Ok(key)
 58 |     } else {
 59 |         Err(PGPError::KeyGenerationFailed)
 60 |     }
 61 | }
 62 | 
 63 | impl Backend for SequoiaBackend {
 64 |     fn fingerprint(&self) -> String {
 65 |         let mut hasher = Sha1::default();
 66 |         hasher.update(&self.packet_cache);
 67 |         let mut digest_buffer: [u8; 20] = [0; 20];
 68 |         hasher.digest(&mut digest_buffer);
 69 |         // hex_string(&digest_buffer).unwrap()
 70 |         sha1_to_hex(&digest_buffer)
 71 |     }
 72 | 
 73 |     fn shuffle(&mut self) -> Result<(), PGPError> {
 74 |         self.timestamp -= 1;
 75 |         BigEndian::write_u32(&mut self.packet_cache[4..8], self.timestamp);
 76 |         Ok(())
 77 |     }
 78 | 
 79 |     fn get_armored_results(mut self, uid: &UserID) -> Result<ArmoredKey, UniversalError> {
 80 |         let creation_time = UNIX_EPOCH + Duration::from_secs(self.timestamp as u64);
 81 |         self.primary_key.set_creation_time(creation_time)?;
 82 |         let mut packets = Vec::<Packet>::new();
 83 |         let mut signer = self.primary_key.clone().into_keypair()?;
 84 |         let primary_key_packet = Key::V4(self.primary_key);
 85 | 
 86 |         // Direct key signature and the secret key
 87 |         let direct_key_signature = SignatureBuilder::new(SignatureType::DirectKey)
 88 |             .set_hash_algo(HashAlgorithm::SHA512)
 89 |             .set_features(Features::sequoia())?
 90 |             .set_key_flags(KeyFlags::empty().set_certification().set_signing())?
 91 |             .set_signature_creation_time(creation_time)?
 92 |             .set_key_validity_period(None)?
 93 |             .set_preferred_hash_algorithms(vec![HashAlgorithm::SHA512, HashAlgorithm::SHA256])?
 94 |             .set_preferred_symmetric_algorithms(vec![
 95 |                 SymmetricAlgorithm::AES256,
 96 |                 SymmetricAlgorithm::AES128,
 97 |             ])?
 98 |             .sign_direct_key(&mut signer, Some(primary_key_packet.parts_as_public()))?;
 99 |         packets.push(Packet::SecretKey(primary_key_packet));
100 |         packets.push(direct_key_signature.clone().into());
101 | 
102 |         // Build certificate
103 |         let mut cert = Cert::from_packets(packets.into_iter())?;
104 | 
105 |         // UID
106 |         if let Some(uid_string) = uid.get_id() {
107 |             let uid_signature_builder = SignatureBuilder::from(direct_key_signature)
108 |                 .set_signature_creation_time(creation_time)?
109 |                 .set_revocation_key(vec![])? // Remove revocation certificate
110 |                 .set_type(SignatureType::PositiveCertification)
111 |                 .set_hash_algo(HashAlgorithm::SHA512);
112 |             let uid_packet = SequoiaUserID::from(uid_string);
113 |             let uid_signature = uid_packet.bind(&mut signer, &cert, uid_signature_builder)?;
114 |             cert = cert.insert_packets(vec![Packet::from(uid_packet), uid_signature.into()])?;
115 |         }
116 | 
117 |         // Encryption subkey
118 |         let mut subkey = generate_key(self.cipher_suite.get_encryption_key_algorithm(), false)?
119 |             .parts_into_secret()?
120 |             .role_into_subordinate();
121 |         subkey.set_creation_time(creation_time)?;
122 |         let subkey_packet = Key::V4(subkey);
123 |         let subkey_signature_builder = SignatureBuilder::new(SignatureType::SubkeyBinding)
124 |             .set_signature_creation_time(creation_time)?
125 |             .set_hash_algo(HashAlgorithm::SHA512)
126 |             .set_features(Features::sequoia())?
127 |             .set_key_flags(KeyFlags::empty().set_storage_encryption())?
128 |             .set_key_validity_period(None)?;
129 |         let subkey_signature = subkey_packet.bind(&mut signer, &cert, subkey_signature_builder)?;
130 |         cert = cert.insert_packets(vec![
131 |             Packet::SecretSubkey(subkey_packet),
132 |             subkey_signature.into(),
133 |         ])?;
134 | 
135 |         if cert.unknowns().next().is_none() {
136 |             // Get armored texts
137 |             let armored_public_key = String::from_utf8(SerializeInto::to_vec(&cert.armored())?)?;
138 |             let private_hex = SerializeInto::to_vec(&cert.as_tsk())?;
139 |             let mut private_key_writer = Writer::new(Vec::new(), Kind::SecretKey)?;
140 |             private_key_writer.write_all(&private_hex)?;
141 |             let armored_private_key =
142 |                 String::from_utf8_lossy(&private_key_writer.finalize()?).to_string();
143 | 
144 |             Ok(ArmoredKey::new(armored_public_key, armored_private_key))
145 |         } else {
146 |             Err(PGPError::InvalidKeyGenerated.into())
147 |         }
148 |     }
149 | }
150 | 
151 | impl SequoiaBackend {
152 |     /// Create new instance
153 |     pub fn new<C: Into<CipherSuite>>(cipher_suite: C) -> Result<Self, PGPError> {
154 |         let ciphers = cipher_suite.into();
155 |         let primary_key = generate_key(ciphers.get_signing_key_algorithm(), true)?;
156 | 
157 |         // Build packet cache
158 |         let mut packet_cache: Vec<u8> = vec![0x99, 0, 0, 4, 0, 0, 0, 0];
159 |         let packet_length = 6 + primary_key.mpis().serialized_len() as u16;
160 |         BigEndian::write_u16(&mut packet_cache[1..3], packet_length); // Packet length
161 |         let timestamp = primary_key
162 |             .creation_time()
163 |             .duration_since(UNIX_EPOCH)
164 |             .expect("Failed to get timestamp")
165 |             .as_secs() as u32;
166 |         BigEndian::write_u32(&mut packet_cache[4..8], timestamp); // Timestamp
167 |         packet_cache.push(primary_key.pk_algo().into()); // Algorithm identifier
168 |         let mut public_key_buffer =
169 |             MarshalInto::to_vec(primary_key.mpis()).expect("Failed to serialize public key");
170 |         packet_cache.append(&mut public_key_buffer); // Public key
171 | 
172 |         Ok(Self {
173 |             primary_key,
174 |             cipher_suite: ciphers,
175 |             timestamp,
176 |             packet_cache,
177 |         })
178 |     }
179 | 
180 |     /// Get primary key
181 |     #[allow(dead_code)]
182 |     pub(crate) fn get_primary_key(self) -> Key4<SecretParts, PrimaryRole> {
183 |         self.primary_key
184 |     }
185 | 
186 |     /// Get `u32` timestamp
187 |     // Boo! You've just found something that will go wrong after the year 2038
188 |     #[allow(dead_code)]
189 |     pub(crate) fn get_timestamp(&self) -> u32 {
190 |         self.timestamp
191 |     }
192 | }
193 | 
194 | #[cfg(test)]
195 | mod sequoia_backend_test {
196 |     use super::{Backend, Cert, CipherSuite, Key, SequoiaBackend, UserID};
197 |     use anyhow::Error;
198 |     use sequoia_openpgp::armor::{Reader, ReaderMode};
199 |     use sequoia_openpgp::packet::Signature;
200 |     use sequoia_openpgp::parse::Parse;
201 |     use sequoia_openpgp::types::PublicKeyAlgorithm;
202 |     use std::io::{Cursor, Read};
203 |     use std::time::{Duration, UNIX_EPOCH};
204 | 
205 |     #[test]
206 |     fn ed25519_key_generation() {
207 |         let backend = SequoiaBackend::new(CipherSuite::Curve25519).unwrap();
208 |         let key = backend.get_primary_key();
209 |         assert_eq!(key.pk_algo(), PublicKeyAlgorithm::EdDSA);
210 |     }
211 | 
212 |     #[test]
213 |     fn ed25519_fingerprint_calculation() {
214 |         let backend = SequoiaBackend::new(CipherSuite::Curve25519).unwrap();
215 |         let fingerprint_custom = backend.fingerprint();
216 |         let fingerprint_sequoia = backend.get_primary_key().fingerprint().to_hex();
217 |         assert_eq!(fingerprint_custom, fingerprint_sequoia);
218 |     }
219 | 
220 |     #[test]
221 |     fn ed25519_shuffle() {
222 |         let mut backend = SequoiaBackend::new(CipherSuite::Curve25519).unwrap();
223 |         let fingerprint_custom_before = backend.fingerprint();
224 |         let timestamp_before = backend.get_timestamp() as u64;
225 |         backend.shuffle().unwrap();
226 |         let fingerprint_custom_after = backend.fingerprint();
227 |         let timestamp_after = backend.get_timestamp() as u64;
228 |         assert_ne!(timestamp_before, timestamp_after);
229 | 
230 |         let mut primary_key = backend.get_primary_key();
231 |         primary_key
232 |             .set_creation_time(UNIX_EPOCH.clone() + Duration::from_secs(timestamp_before))
233 |             .unwrap();
234 |         let fingerprint_sequoia_before = primary_key.fingerprint().to_hex();
235 |         primary_key
236 |             .set_creation_time(UNIX_EPOCH.clone() + Duration::from_secs(timestamp_after))
237 |             .unwrap();
238 |         let fingerprint_sequoia_after = primary_key.fingerprint().to_hex();
239 | 
240 |         assert_eq!(fingerprint_custom_before, fingerprint_sequoia_before);
241 |         assert_eq!(fingerprint_custom_after, fingerprint_sequoia_after);
242 |     }
243 | 
244 |     #[test]
245 |     fn ed25519_export() {
246 |         let mut backend = SequoiaBackend::new(CipherSuite::Curve25519).unwrap();
247 |         backend.shuffle().unwrap();
248 |         let fingerprint_before = backend.fingerprint();
249 |         let uid = UserID::from("Tiansuo Li <114514@example.com>".to_string());
250 |         let results = backend.get_armored_results(&uid).unwrap();
251 |         assert!(!results.get_private_key().is_empty());
252 |         assert!(!results.get_public_key().is_empty());
253 | 
254 |         let mut cursor = Cursor::new(results.get_private_key());
255 |         let mut reader = Reader::new(&mut cursor, ReaderMode::VeryTolerant);
256 |         let mut content = Vec::new();
257 |         reader.read_to_end(&mut content).unwrap();
258 |         let cert = Cert::from_bytes(&content).unwrap();
259 |         let fingerprint_after = cert.fingerprint().to_hex();
260 |         assert_eq!(fingerprint_before, fingerprint_after);
261 |         assert!(cert.is_tsk());
262 |         assert!(cert
263 |             .bad_signatures()
264 |             .collect::<Vec<&Signature>>()
265 |             .is_empty());
266 |         for uid_after in cert.userids() {
267 |             assert_eq!(
268 |                 String::from_utf8_lossy(uid_after.value()),
269 |                 "Tiansuo Li <114514@example.com>"
270 |             );
271 |         }
272 |         let pk = match cert.primary_key().key().clone() {
273 |             Key::V4(key_4) => key_4,
274 |             _ => unreachable!(),
275 |         };
276 |         assert_eq!(pk.pk_algo(), PublicKeyAlgorithm::EdDSA);
277 |     }
278 | 
279 |     #[test]
280 |     fn rsa4096_key_generation() {
281 |         let backend = SequoiaBackend::new(CipherSuite::RSA4096).unwrap();
282 |         let key = backend.get_primary_key();
283 |         assert_eq!(key.pk_algo(), PublicKeyAlgorithm::RSAEncryptSign);
284 |     }
285 | 
286 |     #[test]
287 |     fn rsa4096_fingerprint_calculation() {
288 |         let backend = SequoiaBackend::new(CipherSuite::RSA4096).unwrap();
289 |         let fingerprint_custom = backend.fingerprint();
290 |         let fingerprint_sequoia = backend.get_primary_key().fingerprint().to_hex();
291 |         assert_eq!(fingerprint_custom, fingerprint_sequoia);
292 |     }
293 | 
294 |     #[test]
295 |     fn rsa4096_shuffle() {
296 |         let mut backend = SequoiaBackend::new(CipherSuite::RSA4096).unwrap();
297 |         let fingerprint_custom_before = backend.fingerprint();
298 |         let timestamp_before = backend.get_timestamp() as u64;
299 |         backend.shuffle().unwrap();
300 |         let fingerprint_custom_after = backend.fingerprint();
301 |         let timestamp_after = backend.get_timestamp() as u64;
302 |         assert_ne!(timestamp_before, timestamp_after);
303 | 
304 |         let mut primary_key = backend.get_primary_key();
305 |         primary_key
306 |             .set_creation_time(UNIX_EPOCH.clone() + Duration::from_secs(timestamp_before))
307 |             .unwrap();
308 |         let fingerprint_sequoia_before = primary_key.fingerprint().to_hex();
309 |         primary_key
310 |             .set_creation_time(UNIX_EPOCH.clone() + Duration::from_secs(timestamp_after))
311 |             .unwrap();
312 |         let fingerprint_sequoia_after = primary_key.fingerprint().to_hex();
313 | 
314 |         assert_eq!(fingerprint_custom_before, fingerprint_sequoia_before);
315 |         assert_eq!(fingerprint_custom_after, fingerprint_sequoia_after);
316 |     }
317 | 
318 |     #[test]
319 |     fn rsa4096_export() -> Result<(), Error> {
320 |         let mut backend = SequoiaBackend::new(CipherSuite::RSA4096).unwrap();
321 |         backend.shuffle().unwrap();
322 |         let fingerprint_before = backend.fingerprint();
323 |         let uid = UserID::from("Tiansuo Li <114514@example.com>".to_string());
324 |         let results = backend.get_armored_results(&uid).unwrap();
325 |         assert!(!results.get_private_key().is_empty());
326 |         assert!(!results.get_public_key().is_empty());
327 | 
328 |         let mut cursor = Cursor::new(results.get_private_key());
329 |         let mut reader = Reader::new(&mut cursor, ReaderMode::VeryTolerant);
330 |         let mut content = Vec::new();
331 |         reader.read_to_end(&mut content).unwrap();
332 |         let cert = Cert::from_bytes(&content).unwrap();
333 |         let fingerprint_after = cert.fingerprint().to_hex();
334 |         assert_eq!(fingerprint_before, fingerprint_after);
335 |         assert!(cert.is_tsk());
336 |         assert!(cert
337 |             .bad_signatures()
338 |             .collect::<Vec<&Signature>>()
339 |             .is_empty());
340 |         for uid_after in cert.userids() {
341 |             assert_eq!(
342 |                 String::from_utf8_lossy(uid_after.value()),
343 |                 "Tiansuo Li <114514@example.com>"
344 |             );
345 |         }
346 |         let pk = match cert.primary_key().key().clone() {
347 |             Key::V4(key_4) => key_4,
348 |             _ => unreachable!(),
349 |         };
350 |         assert_eq!(pk.pk_algo(), PublicKeyAlgorithm::RSAEncryptSign);
351 |         Ok(())
352 |     }
353 | }
354 | 


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