├── .gitignore
└── src
    └── main
        └── proto
            └── securepushservice.proto


/.gitignore:
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 1 | ### Java template
 2 | # Compiled class file
 3 | *.class
 4 | .idea
 5 | 
 6 | # Log file
 7 | *.log
 8 | 
 9 | # BlueJ files
10 | *.ctxt
11 | 
12 | # Mobile Tools for Java (J2ME)
13 | .mtj.tmp/
14 | 
15 | # Package Files #
16 | *.jar
17 | *.war
18 | *.nar
19 | *.ear
20 | *.zip
21 | *.tar.gz
22 | *.rar
23 | 
24 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
25 | hs_err_pid*
26 | 
27 | ### Gradle template
28 | .gradle
29 | **/build/
30 | !src/**/build/
31 | 
32 | # Ignore Gradle GUI config
33 | gradle-app.setting
34 | 
35 | # Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
36 | !gradle-wrapper.jar
37 | 
38 | # Cache of project
39 | .gradletasknamecache
40 | 
41 | # # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
42 | # gradle/wrapper/gradle-wrapper.properties
43 | 
44 | ### Kotlin template
45 | # Compiled class file
46 | *.class
47 | 
48 | # Log file
49 | *.log
50 | 
51 | # BlueJ files
52 | *.ctxt
53 | 
54 | # Mobile Tools for Java (J2ME)
55 | .mtj.tmp/
56 | 
57 | # Package Files #
58 | *.jar
59 | *.war
60 | *.nar
61 | *.ear
62 | *.zip
63 | *.tar.gz
64 | *.rar
65 | 
66 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
67 | hs_err_pid*
68 | 
69 | !/gradlew
70 | /gradlew
71 | /gradlew.bat
72 | /gradle/
73 | 


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/src/main/proto/securepushservice.proto:
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 1 | syntax = "proto3";
 2 | 
 3 | package capillary.kmp;
 4 | 
 5 | option java_multiple_files = true;
 6 | 
 7 | message ByteArrayElement{
 8 |   int32 byte = 1;
 9 | }
10 | 
11 | message Empty {
12 |   string nothing = 1;
13 | }
14 | 
15 | // The types of public keys.
16 | enum KeyAlgorithm {
17 |   RSA_ECDSA = 0;
18 | }
19 | 
20 | // Container for a RSA hybrid encryption ciphertext.
21 | message HybridRsaCiphertext {
22 |   repeated ByteArrayElement symmetrickeyciphertext = 1;
23 |   repeated ByteArrayElement payloadciphertext = 2;
24 | }
25 | 
26 | // Container for a raw RSA public key and its associated metadata.
27 | message WrappedRsaEcdsaPublicKey {
28 |   string padding = 1;
29 |   repeated ByteArrayElement keybytes = 2;
30 | }
31 | 
32 | // Container for a Capillary public key and its associated metadata.
33 | message SlackPublicKey {
34 |   repeated ByteArrayElement keybytes = 4;
35 | }
36 | 
37 | // Container for a Slack ciphertext and its associated metadata.
38 | message SlackCiphertext {
39 |   repeated ByteArrayElement ciphertext = 4;
40 | }
41 | 
42 | // A request to register the given public key for the specified user.
43 | message AddOrUpdatePublicKeyRequest {
44 |   string deviceid = 1;
45 |   KeyAlgorithm algorithm = 2;
46 |   repeated ByteArrayElement keyBytes = 3;
47 | }
48 | 
49 | // A request to add the given user or update the FCM token of an existing user.
50 | message AddOrUpdateUserRequest {
51 |   string deviceid = 1;
52 |   string token = 2;
53 | }
54 | 
55 | service SecurePushService {
56 |   rpc addOrUpdateUser (AddOrUpdateUserRequest) returns (Empty);
57 |   rpc addOrUpdatePublicKey (AddOrUpdatePublicKeyRequest) returns (Empty);
58 | }


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