├── images ├── btc32x.png ├── coinbin.gif ├── coinbin.png ├── loader.gif ├── background.jpg ├── bitrefill16x.png ├── changelly16x.png ├── hodlhodl16x.png └── coinbin.svg ├── fonts ├── glyphicons-halflings-regular.eot ├── glyphicons-halflings-regular.ttf ├── glyphicons-halflings-regular.woff └── glyphicons-halflings-regular.woff2 ├── LICENSE ├── README.md ├── js ├── crypto-min.js ├── transition.js ├── crypto-sha256.js ├── crypto-sha256-hmac.js ├── collapse.js ├── ripemd160.js ├── sha512.js ├── aes.js ├── ellipticcurve.js ├── moment.min.js └── bootstrap.min.js ├── css ├── style.css ├── bootstrap-datetimepicker.min.css └── bootstrap-theme.min.css ├── sha1sum └── test.html /images/btc32x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/melvincarvalho/coinbin/gh-pages/images/btc32x.png -------------------------------------------------------------------------------- /images/coinbin.gif: 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-------------------------------------------------------------------------------- https://raw.githubusercontent.com/melvincarvalho/coinbin/gh-pages/fonts/glyphicons-halflings-regular.woff2 -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2014 OutCast3k 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy of 6 | this software and associated documentation files (the "Software"), to deal in 7 | the Software without restriction, including without limitation the rights to 8 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 9 | the Software, and to permit persons to whom the Software is furnished to do so, 10 | 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, FITNESS 17 | FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 18 | COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 19 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | coinbin 2 | ======= 3 | 4 | A Open Source Browser Based Bitcoin Wallet. Version 1.7 beta by OutCast3k 5 | 6 | Live version available at http://coinb.in/ or coinbin3ravkwb24f7rmxx6w3snkjw45jhs5lxbh3yfeg3vpt6janwqd.onion 7 | 8 | Github URL: https://github.com/OutCast3k/coinbin/ 9 | 10 | Coinb.in supports a number of key features such as: 11 | 12 | - Offline Compressed & uncompressed Address creation. 13 | - Offline Multisignature Address creation. 14 | - "In browser" Key (re)generation. 15 | - Send and receive payments. 16 | - Ability to decode transactions, redeem scripts and more offline. 17 | - Build custom transactions offline. 18 | - Sign transactions offline. 19 | - Signatures are deterministic as per RFC 6979 (https://tools.ietf.org/html/rfc6979#section-3.2) 20 | - Broadcast transactions. 21 | - nLockTime support. 22 | - Add custom data to transactions with the use of OP_RETURN. 23 | - Support current Dark Wallet Stealth Address structure (as of version Alpha 7) for outputs. 24 | - Brain wallet support. 25 | - Compatible with bitcoin-qt 26 | - An offical .onion address for tor users. 27 | - Offline qrcode creator and scanning tool. 28 | - HD (bip32) support. 29 | - Supports altcoins such as litecoin. 30 | - Replace by fee (RBF) Support. 31 | - Segwit Support. 32 | - Bech32 address support. 33 | - Fee calculator - https://coinb.in/#fees 34 | - Transaction rebuild support for RBF and double spending. 35 | 36 | Donate to 33tht1bKDgZVxb39MnZsWa8oxHXHvUYE4G to see more development! 37 | 38 | ## Changes 39 | 40 | Default branch to gh-pages 41 | -------------------------------------------------------------------------------- /js/crypto-min.js: -------------------------------------------------------------------------------- 1 | /* 2 | * Crypto-JS v2.5.4 3 | * http://code.google.com/p/crypto-js/ 4 | * (c) 2009-2012 by Jeff Mott. All rights reserved. 5 | * http://code.google.com/p/crypto-js/wiki/License 6 | */ 7 | (typeof Crypto=="undefined"||!Crypto.util)&&function(){var e=window.Crypto={},f=e.util={rotl:function(a,b){return a<>>32-b},rotr:function(a,b){return a<<32-b|a>>>b},endian:function(a){if(a.constructor==Number)return f.rotl(a,8)&16711935|f.rotl(a,24)&4278255360;for(var b=0;b0;a--)b.push(Math.floor(Math.random()*256));return b},bytesToWords:function(a){for(var b=[],c=0,d=0;c>>5]|=(a[c]&255)<< 8 | 24-d%32;return b},wordsToBytes:function(a){for(var b=[],c=0;c>>5]>>>24-c%32&255);return b},bytesToHex:function(a){for(var b=[],c=0;c>>4).toString(16)),b.push((a[c]&15).toString(16));return b.join("")},hexToBytes:function(a){for(var b=[],c=0;c>> 9 | 6*(3-e)&63)):b.push("=");return b.join("")},base64ToBytes:function(a){for(var a=a.replace(/[^A-Z0-9+\/]/ig,""),b=[],c=0,d=0;c>>6-d*2);return b}},e=e.charenc={};e.UTF8={stringToBytes:function(a){return g.stringToBytes(unescape(encodeURIComponent(a)))},bytesToString:function(a){return decodeURIComponent(escape(g.bytesToString(a)))}}; 10 | var g=e.Binary={stringToBytes:function(a){for(var b=[],c=0;c>>32-a},rotr:function(b,a){return b<<32-a|b>>>a},endian:function(b){if(b.constructor==Number)return l.rotl(b,8)&16711935|l.rotl(b,24)&4278255360;for(var a=0;a0;b--)a.push(Math.floor(Math.random()*256));return a},bytesToWords:function(b){for(var a=[],c=0,d=0;c>>5]|=(b[c]&255)<< 8 | 24-d%32;return a},wordsToBytes:function(b){for(var a=[],c=0;c>>5]>>>24-c%32&255);return a},bytesToHex:function(b){for(var a=[],c=0;c>>4).toString(16)),a.push((b[c]&15).toString(16));return a.join("")},hexToBytes:function(b){for(var a=[],c=0;c>> 9 | 6*(3-q)&63)):a.push("=");return a.join("")},base64ToBytes:function(b){for(var b=b.replace(/[^A-Z0-9+\/]/ig,""),a=[],c=0,d=0;c>>6-d*2);return a}},f=f.charenc={};f.UTF8={stringToBytes:function(b){return i.stringToBytes(unescape(encodeURIComponent(b)))},bytesToString:function(b){return decodeURIComponent(escape(i.bytesToString(b)))}}; 10 | var i=f.Binary={stringToBytes:function(b){for(var a=[],c=0;c>5]|=128<<24-e%32;d[(e+64>>9<<4)+15]=e;for(s=0;s>>7)^(k<<14|k>>>18)^k>>>3)+(f[g-7]>>>0)+((j<<15|j>>>17)^(j<<13|j>>>19)^j>>>10)+(f[g-16]>>>0));j=e&m^e&n^m&n;var t=(e<<30|e>>>2)^(e<<19|e>>>13)^(e<<10|e>>>22);k=(r>>>0)+((h<<26|h>>>6)^(h<<21|h>>>11)^(h<<7|h>>>25))+ 14 | (h&o^~h&p)+c[g]+(f[g]>>>0);j=t+j;r=p;p=o;o=h;h=i+k>>>0;i=n;n=m;m=e;e=k+j>>>0}a[0]+=e;a[1]+=m;a[2]+=n;a[3]+=i;a[4]+=h;a[5]+=o;a[6]+=p;a[7]+=r}return a};d._blocksize=16;d._digestsize=32})(); 15 | -------------------------------------------------------------------------------- /js/crypto-sha256-hmac.js: -------------------------------------------------------------------------------- 1 | /* 2 | * Crypto-JS v2.5.4 3 | * http://code.google.com/p/crypto-js/ 4 | * (c) 2009-2012 by Jeff Mott. All rights reserved. 5 | * http://code.google.com/p/crypto-js/wiki/License 6 | */ 7 | (typeof Crypto=="undefined"||!Crypto.util)&&function(){var d=window.Crypto={},k=d.util={rotl:function(b,a){return b<>>32-a},rotr:function(b,a){return b<<32-a|b>>>a},endian:function(b){if(b.constructor==Number)return k.rotl(b,8)&16711935|k.rotl(b,24)&4278255360;for(var a=0;a0;b--)a.push(Math.floor(Math.random()*256));return a},bytesToWords:function(b){for(var a=[],c=0,e=0;c>>5]|=(b[c]&255)<< 8 | 24-e%32;return a},wordsToBytes:function(b){for(var a=[],c=0;c>>5]>>>24-c%32&255);return a},bytesToHex:function(b){for(var a=[],c=0;c>>4).toString(16)),a.push((b[c]&15).toString(16));return a.join("")},hexToBytes:function(b){for(var a=[],c=0;c>> 9 | 6*(3-p)&63)):a.push("=");return a.join("")},base64ToBytes:function(b){for(var b=b.replace(/[^A-Z0-9+\/]/ig,""),a=[],c=0,e=0;c>>6-e*2);return a}},d=d.charenc={};d.UTF8={stringToBytes:function(b){return g.stringToBytes(unescape(encodeURIComponent(b)))},bytesToString:function(b){return decodeURIComponent(escape(g.bytesToString(b)))}}; 10 | var g=d.Binary={stringToBytes:function(b){for(var a=[],c=0;c>5]|=128<<24-f%32;e[(f+64>>9<<4)+15]=f;for(t=0;t>>7)^(l<<14|l>>>18)^l>>>3)+(d[h-7]>>>0)+((j<<15|j>>>17)^(j<<13|j>>>19)^j>>>10)+(d[h-16]>>>0));j=f&g^f&m^g&m;var u=(f<<30|f>>>2)^(f<<19|f>>>13)^(f<<10|f>>>22);l=(s>>>0)+((i<<26|i>>>6)^(i<<21|i>>>11)^(i<<7|i>>>25))+ 14 | (i&n^~i&o)+c[h]+(d[h]>>>0);j=u+j;s=o;o=n;n=i;i=r+l>>>0;r=m;m=g;g=f;f=l+j>>>0}a[0]+=f;a[1]+=g;a[2]+=m;a[3]+=r;a[4]+=i;a[5]+=n;a[6]+=o;a[7]+=s}return a};e._blocksize=16;e._digestsize=32})(); 15 | (function(){var d=Crypto,k=d.util,g=d.charenc,b=g.UTF8,a=g.Binary;d.HMAC=function(c,e,d,g){e.constructor==String&&(e=b.stringToBytes(e));d.constructor==String&&(d=b.stringToBytes(d));d.length>c._blocksize*4&&(d=c(d,{asBytes:!0}));for(var f=d.slice(0),d=d.slice(0),q=0;q>> 5] |= bytes[i] << (24 - b % 32); 51 | } 52 | return words; 53 | }; 54 | 55 | var wordsToBytes = function (words) { 56 | var bytes = []; 57 | for (var b = 0; b < words.length * 32; b += 8) { 58 | bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF); 59 | } 60 | return bytes; 61 | }; 62 | 63 | var processBlock = function (H, M, offset) { 64 | 65 | // Swap endian 66 | for (var i = 0; i < 16; i++) { 67 | var offset_i = offset + i; 68 | var M_offset_i = M[offset_i]; 69 | 70 | // Swap 71 | M[offset_i] = ( 72 | (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) | 73 | (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00) 74 | ); 75 | } 76 | 77 | // Working variables 78 | var al, bl, cl, dl, el; 79 | var ar, br, cr, dr, er; 80 | 81 | ar = al = H[0]; 82 | br = bl = H[1]; 83 | cr = cl = H[2]; 84 | dr = dl = H[3]; 85 | er = el = H[4]; 86 | // Computation 87 | var t; 88 | for (var i = 0; i < 80; i += 1) { 89 | t = (al + M[offset+zl[i]])|0; 90 | if (i<16){ 91 | t += f1(bl,cl,dl) + hl[0]; 92 | } else if (i<32) { 93 | t += f2(bl,cl,dl) + hl[1]; 94 | } else if (i<48) { 95 | t += f3(bl,cl,dl) + hl[2]; 96 | } else if (i<64) { 97 | t += f4(bl,cl,dl) + hl[3]; 98 | } else {// if (i<80) { 99 | t += f5(bl,cl,dl) + hl[4]; 100 | } 101 | t = t|0; 102 | t = rotl(t,sl[i]); 103 | t = (t+el)|0; 104 | al = el; 105 | el = dl; 106 | dl = rotl(cl, 10); 107 | cl = bl; 108 | bl = t; 109 | 110 | t = (ar + M[offset+zr[i]])|0; 111 | if (i<16){ 112 | t += f5(br,cr,dr) + hr[0]; 113 | } else if (i<32) { 114 | t += f4(br,cr,dr) + hr[1]; 115 | } else if (i<48) { 116 | t += f3(br,cr,dr) + hr[2]; 117 | } else if (i<64) { 118 | t += f2(br,cr,dr) + hr[3]; 119 | } else {// if (i<80) { 120 | t += f1(br,cr,dr) + hr[4]; 121 | } 122 | t = t|0; 123 | t = rotl(t,sr[i]) ; 124 | t = (t+er)|0; 125 | ar = er; 126 | er = dr; 127 | dr = rotl(cr, 10); 128 | cr = br; 129 | br = t; 130 | } 131 | // Intermediate hash value 132 | t = (H[1] + cl + dr)|0; 133 | H[1] = (H[2] + dl + er)|0; 134 | H[2] = (H[3] + el + ar)|0; 135 | H[3] = (H[4] + al + br)|0; 136 | H[4] = (H[0] + bl + cr)|0; 137 | H[0] = t; 138 | }; 139 | 140 | function f1(x, y, z) { 141 | return ((x) ^ (y) ^ (z)); 142 | } 143 | 144 | function f2(x, y, z) { 145 | return (((x)&(y)) | ((~x)&(z))); 146 | } 147 | 148 | function f3(x, y, z) { 149 | return (((x) | (~(y))) ^ (z)); 150 | } 151 | 152 | function f4(x, y, z) { 153 | return (((x) & (z)) | ((y)&(~(z)))); 154 | } 155 | 156 | function f5(x, y, z) { 157 | return ((x) ^ ((y) |(~(z)))); 158 | } 159 | 160 | function rotl(x,n) { 161 | return (x<>>(32-n)); 162 | } 163 | 164 | function ripemd160(message) { 165 | var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0]; 166 | 167 | var m = bytesToWords(message); 168 | 169 | var nBitsLeft = message.length * 8; 170 | var nBitsTotal = message.length * 8; 171 | 172 | // Add padding 173 | m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32); 174 | m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = ( 175 | (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) | 176 | (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00) 177 | ); 178 | 179 | for (var i=0 ; i>> 24)) & 0x00ff00ff) | 190 | (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00); 191 | } 192 | 193 | var digestbytes = wordsToBytes(H); 194 | return digestbytes; 195 | } 196 | -------------------------------------------------------------------------------- /css/bootstrap-datetimepicker.min.css: -------------------------------------------------------------------------------- 1 | /*! 2 | * Datetimepicker for Bootstrap 3 3 | * version : 4.17.37 4 | * https://github.com/Eonasdan/bootstrap-datetimepicker/ 5 | */.bootstrap-datetimepicker-widget{list-style:none}.bootstrap-datetimepicker-widget.dropdown-menu{margin:2px 0;padding:4px;width:19em}@media (min-width:768px){.bootstrap-datetimepicker-widget.dropdown-menu.timepicker-sbs{width:38em}}@media (min-width:992px){.bootstrap-datetimepicker-widget.dropdown-menu.timepicker-sbs{width:38em}}@media 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3px rgba(0,0,0,.05),0 1px 0 rgba(255,255,255,.1);box-shadow:inset 0 1px 3px rgba(0,0,0,.05),0 1px 0 rgba(255,255,255,.1)} -------------------------------------------------------------------------------- /test.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | TESTING COINBIN 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
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64 | 65 | 66 | 67 | 68 | 378 | 379 | 380 | -------------------------------------------------------------------------------- /js/ellipticcurve.js: -------------------------------------------------------------------------------- 1 | /*! 2 | * Basic Javascript Elliptic Curve implementation 3 | * Ported loosely from BouncyCastle's Java EC code 4 | * Only Fp curves implemented for now 5 | * 6 | * Copyright Tom Wu, bitaddress.org BSD License. 7 | * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE 8 | */ 9 | (function () { 10 | 11 | // Constructor function of Global EllipticCurve object 12 | var ec = window.EllipticCurve = function () { }; 13 | 14 | 15 | // ---------------- 16 | // ECFieldElementFp constructor 17 | // q instanceof BigInteger 18 | // x instanceof BigInteger 19 | ec.FieldElementFp = function (q, x) { 20 | this.x = x; 21 | // TODO if(x.compareTo(q) >= 0) error 22 | this.q = q; 23 | }; 24 | 25 | ec.FieldElementFp.prototype.equals = function (other) { 26 | if (other == this) return true; 27 | return (this.q.equals(other.q) && this.x.equals(other.x)); 28 | }; 29 | 30 | ec.FieldElementFp.prototype.toBigInteger = function () { 31 | return this.x; 32 | }; 33 | 34 | ec.FieldElementFp.prototype.negate = function () { 35 | return new ec.FieldElementFp(this.q, this.x.negate().mod(this.q)); 36 | }; 37 | 38 | ec.FieldElementFp.prototype.add = function (b) { 39 | return new ec.FieldElementFp(this.q, this.x.add(b.toBigInteger()).mod(this.q)); 40 | }; 41 | 42 | ec.FieldElementFp.prototype.subtract = function (b) { 43 | return new ec.FieldElementFp(this.q, this.x.subtract(b.toBigInteger()).mod(this.q)); 44 | }; 45 | 46 | ec.FieldElementFp.prototype.multiply = function (b) { 47 | return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger()).mod(this.q)); 48 | }; 49 | 50 | ec.FieldElementFp.prototype.square = function () { 51 | return new ec.FieldElementFp(this.q, this.x.square().mod(this.q)); 52 | }; 53 | 54 | ec.FieldElementFp.prototype.divide = function (b) { 55 | return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger().modInverse(this.q)).mod(this.q)); 56 | }; 57 | 58 | ec.FieldElementFp.prototype.getByteLength = function () { 59 | return Math.floor((this.toBigInteger().bitLength() + 7) / 8); 60 | }; 61 | 62 | // D.1.4 91 63 | /** 64 | * return a sqrt root - the routine verifies that the calculation 65 | * returns the right value - if none exists it returns null. 66 | * 67 | * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org) 68 | * Ported to JavaScript by bitaddress.org 69 | */ 70 | ec.FieldElementFp.prototype.sqrt = function () { 71 | if (!this.q.testBit(0)) throw new Error("even value of q"); 72 | 73 | // p mod 4 == 3 74 | if (this.q.testBit(1)) { 75 | // z = g^(u+1) + p, p = 4u + 3 76 | var z = new ec.FieldElementFp(this.q, this.x.modPow(this.q.shiftRight(2).add(BigInteger.ONE), this.q)); 77 | return z.square().equals(this) ? z : null; 78 | } 79 | 80 | // p mod 4 == 1 81 | var qMinusOne = this.q.subtract(BigInteger.ONE); 82 | var legendreExponent = qMinusOne.shiftRight(1); 83 | if (!(this.x.modPow(legendreExponent, this.q).equals(BigInteger.ONE))) return null; 84 | var u = qMinusOne.shiftRight(2); 85 | var k = u.shiftLeft(1).add(BigInteger.ONE); 86 | var Q = this.x; 87 | var fourQ = Q.shiftLeft(2).mod(this.q); 88 | var U, V; 89 | 90 | do { 91 | var rand = new SecureRandom(); 92 | var P; 93 | do { 94 | P = new BigInteger(this.q.bitLength(), rand); 95 | } 96 | while (P.compareTo(this.q) >= 0 || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent, this.q).equals(qMinusOne))); 97 | 98 | var result = ec.FieldElementFp.fastLucasSequence(this.q, P, Q, k); 99 | 100 | U = result[0]; 101 | V = result[1]; 102 | if (V.multiply(V).mod(this.q).equals(fourQ)) { 103 | // Integer division by 2, mod q 104 | if (V.testBit(0)) { 105 | V = V.add(this.q); 106 | } 107 | V = V.shiftRight(1); 108 | return new ec.FieldElementFp(this.q, V); 109 | } 110 | } 111 | while (U.equals(BigInteger.ONE) || U.equals(qMinusOne)); 112 | 113 | return null; 114 | }; 115 | 116 | /* 117 | * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org) 118 | * Ported to JavaScript by bitaddress.org 119 | */ 120 | ec.FieldElementFp.fastLucasSequence = function (p, P, Q, k) { 121 | // TODO Research and apply "common-multiplicand multiplication here" 122 | 123 | var n = k.bitLength(); 124 | var s = k.getLowestSetBit(); 125 | var Uh = BigInteger.ONE; 126 | var Vl = BigInteger.TWO; 127 | var Vh = P; 128 | var Ql = BigInteger.ONE; 129 | var Qh = BigInteger.ONE; 130 | 131 | for (var j = n - 1; j >= s + 1; --j) { 132 | Ql = Ql.multiply(Qh).mod(p); 133 | if (k.testBit(j)) { 134 | Qh = Ql.multiply(Q).mod(p); 135 | Uh = Uh.multiply(Vh).mod(p); 136 | Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p); 137 | Vh = Vh.multiply(Vh).subtract(Qh.shiftLeft(1)).mod(p); 138 | } 139 | else { 140 | Qh = Ql; 141 | Uh = Uh.multiply(Vl).subtract(Ql).mod(p); 142 | Vh = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p); 143 | Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p); 144 | } 145 | } 146 | 147 | Ql = Ql.multiply(Qh).mod(p); 148 | Qh = Ql.multiply(Q).mod(p); 149 | Uh = Uh.multiply(Vl).subtract(Ql).mod(p); 150 | Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p); 151 | Ql = Ql.multiply(Qh).mod(p); 152 | 153 | for (var j = 1; j <= s; ++j) { 154 | Uh = Uh.multiply(Vl).mod(p); 155 | Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p); 156 | Ql = Ql.multiply(Ql).mod(p); 157 | } 158 | 159 | return [Uh, Vl]; 160 | }; 161 | 162 | // ---------------- 163 | // ECPointFp constructor 164 | ec.PointFp = function (curve, x, y, z, compressed) { 165 | this.curve = curve; 166 | this.x = x; 167 | this.y = y; 168 | // Projective coordinates: either zinv == null or z * zinv == 1 169 | // z and zinv are just BigIntegers, not fieldElements 170 | if (z == null) { 171 | this.z = BigInteger.ONE; 172 | } 173 | else { 174 | this.z = z; 175 | } 176 | this.zinv = null; 177 | // compression flag 178 | this.compressed = !!compressed; 179 | }; 180 | 181 | ec.PointFp.prototype.getX = function () { 182 | if (this.zinv == null) { 183 | this.zinv = this.z.modInverse(this.curve.q); 184 | } 185 | var r = this.x.toBigInteger().multiply(this.zinv); 186 | this.curve.reduce(r); 187 | return this.curve.fromBigInteger(r); 188 | }; 189 | 190 | ec.PointFp.prototype.getY = function () { 191 | if (this.zinv == null) { 192 | this.zinv = this.z.modInverse(this.curve.q); 193 | } 194 | var r = this.y.toBigInteger().multiply(this.zinv); 195 | this.curve.reduce(r); 196 | return this.curve.fromBigInteger(r); 197 | }; 198 | 199 | ec.PointFp.prototype.equals = function (other) { 200 | if (other == this) return true; 201 | if (this.isInfinity()) return other.isInfinity(); 202 | if (other.isInfinity()) return this.isInfinity(); 203 | var u, v; 204 | // u = Y2 * Z1 - Y1 * Z2 205 | u = other.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(other.z)).mod(this.curve.q); 206 | if (!u.equals(BigInteger.ZERO)) return false; 207 | // v = X2 * Z1 - X1 * Z2 208 | v = other.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(other.z)).mod(this.curve.q); 209 | return v.equals(BigInteger.ZERO); 210 | }; 211 | 212 | ec.PointFp.prototype.isInfinity = function () { 213 | if ((this.x == null) && (this.y == null)) return true; 214 | return this.z.equals(BigInteger.ZERO) && !this.y.toBigInteger().equals(BigInteger.ZERO); 215 | }; 216 | 217 | ec.PointFp.prototype.negate = function () { 218 | return new ec.PointFp(this.curve, this.x, this.y.negate(), this.z); 219 | }; 220 | 221 | ec.PointFp.prototype.add = function (b) { 222 | if (this.isInfinity()) return b; 223 | if (b.isInfinity()) return this; 224 | 225 | // u = Y2 * Z1 - Y1 * Z2 226 | var u = b.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(b.z)).mod(this.curve.q); 227 | // v = X2 * Z1 - X1 * Z2 228 | var v = b.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(b.z)).mod(this.curve.q); 229 | 230 | 231 | if (BigInteger.ZERO.equals(v)) { 232 | if (BigInteger.ZERO.equals(u)) { 233 | return this.twice(); // this == b, so double 234 | } 235 | return this.curve.getInfinity(); // this = -b, so infinity 236 | } 237 | 238 | var THREE = new BigInteger("3"); 239 | var x1 = this.x.toBigInteger(); 240 | var y1 = this.y.toBigInteger(); 241 | var x2 = b.x.toBigInteger(); 242 | var y2 = b.y.toBigInteger(); 243 | 244 | var v2 = v.square(); 245 | var v3 = v2.multiply(v); 246 | var x1v2 = x1.multiply(v2); 247 | var zu2 = u.square().multiply(this.z); 248 | 249 | // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3) 250 | var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.q); 251 | // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3 252 | var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.q); 253 | // z3 = v^3 * z1 * z2 254 | var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.q); 255 | 256 | return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3), z3); 257 | }; 258 | 259 | ec.PointFp.prototype.twice = function () { 260 | if (this.isInfinity()) return this; 261 | if (this.y.toBigInteger().signum() == 0) return this.curve.getInfinity(); 262 | 263 | // TODO: optimized handling of constants 264 | var THREE = new BigInteger("3"); 265 | var x1 = this.x.toBigInteger(); 266 | var y1 = this.y.toBigInteger(); 267 | 268 | var y1z1 = y1.multiply(this.z); 269 | var y1sqz1 = y1z1.multiply(y1).mod(this.curve.q); 270 | var a = this.curve.a.toBigInteger(); 271 | 272 | // w = 3 * x1^2 + a * z1^2 273 | var w = x1.square().multiply(THREE); 274 | if (!BigInteger.ZERO.equals(a)) { 275 | w = w.add(this.z.square().multiply(a)); 276 | } 277 | w = w.mod(this.curve.q); 278 | //this.curve.reduce(w); 279 | // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1) 280 | var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.q); 281 | // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3 282 | var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.square().multiply(w)).mod(this.curve.q); 283 | // z3 = 8 * (y1 * z1)^3 284 | var z3 = y1z1.square().multiply(y1z1).shiftLeft(3).mod(this.curve.q); 285 | 286 | return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3), z3); 287 | }; 288 | 289 | // Simple NAF (Non-Adjacent Form) multiplication algorithm 290 | // TODO: modularize the multiplication algorithm 291 | ec.PointFp.prototype.multiply = function (k) { 292 | if (this.isInfinity()) return this; 293 | if (k.signum() == 0) return this.curve.getInfinity(); 294 | 295 | var e = k; 296 | var h = e.multiply(new BigInteger("3")); 297 | 298 | var neg = this.negate(); 299 | var R = this; 300 | 301 | var i; 302 | for (i = h.bitLength() - 2; i > 0; --i) { 303 | R = R.twice(); 304 | 305 | var hBit = h.testBit(i); 306 | var eBit = e.testBit(i); 307 | 308 | if (hBit != eBit) { 309 | R = R.add(hBit ? this : neg); 310 | } 311 | } 312 | 313 | return R; 314 | }; 315 | 316 | // Compute this*j + x*k (simultaneous multiplication) 317 | ec.PointFp.prototype.multiplyTwo = function (j, x, k) { 318 | var i; 319 | if (j.bitLength() > k.bitLength()) 320 | i = j.bitLength() - 1; 321 | else 322 | i = k.bitLength() - 1; 323 | 324 | var R = this.curve.getInfinity(); 325 | var both = this.add(x); 326 | while (i >= 0) { 327 | R = R.twice(); 328 | if (j.testBit(i)) { 329 | if (k.testBit(i)) { 330 | R = R.add(both); 331 | } 332 | else { 333 | R = R.add(this); 334 | } 335 | } 336 | else { 337 | if (k.testBit(i)) { 338 | R = R.add(x); 339 | } 340 | } 341 | --i; 342 | } 343 | 344 | return R; 345 | }; 346 | 347 | // patched by bitaddress.org and Casascius for use with Bitcoin.ECKey 348 | // patched by coretechs to support compressed public keys 349 | ec.PointFp.prototype.getEncoded = function (compressed) { 350 | var x = this.getX().toBigInteger(); 351 | var y = this.getY().toBigInteger(); 352 | var len = 32; // integerToBytes will zero pad if integer is less than 32 bytes. 32 bytes length is required by the Bitcoin protocol. 353 | var enc = ec.integerToBytes(x, len); 354 | 355 | // when compressed prepend byte depending if y point is even or odd 356 | if (compressed) { 357 | if (y.isEven()) { 358 | enc.unshift(0x02); 359 | } 360 | else { 361 | enc.unshift(0x03); 362 | } 363 | } 364 | else { 365 | enc.unshift(0x04); 366 | enc = enc.concat(ec.integerToBytes(y, len)); // uncompressed public key appends the bytes of the y point 367 | } 368 | return enc; 369 | }; 370 | 371 | ec.PointFp.decodeFrom = function (curve, enc) { 372 | var type = enc[0]; 373 | var dataLen = enc.length - 1; 374 | 375 | // Extract x and y as byte arrays 376 | var xBa = enc.slice(1, 1 + dataLen / 2); 377 | var yBa = enc.slice(1 + dataLen / 2, 1 + dataLen); 378 | 379 | // Prepend zero byte to prevent interpretation as negative integer 380 | xBa.unshift(0); 381 | yBa.unshift(0); 382 | 383 | // Convert to BigIntegers 384 | var x = new BigInteger(xBa); 385 | var y = new BigInteger(yBa); 386 | 387 | // Return point 388 | return new ec.PointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y)); 389 | }; 390 | 391 | ec.PointFp.prototype.add2D = function (b) { 392 | if (this.isInfinity()) return b; 393 | if (b.isInfinity()) return this; 394 | 395 | if (this.x.equals(b.x)) { 396 | if (this.y.equals(b.y)) { 397 | // this = b, i.e. this must be doubled 398 | return this.twice(); 399 | } 400 | // this = -b, i.e. the result is the point at infinity 401 | return this.curve.getInfinity(); 402 | } 403 | 404 | var x_x = b.x.subtract(this.x); 405 | var y_y = b.y.subtract(this.y); 406 | var gamma = y_y.divide(x_x); 407 | 408 | var x3 = gamma.square().subtract(this.x).subtract(b.x); 409 | var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y); 410 | 411 | return new ec.PointFp(this.curve, x3, y3); 412 | }; 413 | 414 | ec.PointFp.prototype.twice2D = function () { 415 | if (this.isInfinity()) return this; 416 | if (this.y.toBigInteger().signum() == 0) { 417 | // if y1 == 0, then (x1, y1) == (x1, -y1) 418 | // and hence this = -this and thus 2(x1, y1) == infinity 419 | return this.curve.getInfinity(); 420 | } 421 | 422 | var TWO = this.curve.fromBigInteger(BigInteger.valueOf(2)); 423 | var THREE = this.curve.fromBigInteger(BigInteger.valueOf(3)); 424 | var gamma = this.x.square().multiply(THREE).add(this.curve.a).divide(this.y.multiply(TWO)); 425 | 426 | var x3 = gamma.square().subtract(this.x.multiply(TWO)); 427 | var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y); 428 | 429 | return new ec.PointFp(this.curve, x3, y3); 430 | }; 431 | 432 | ec.PointFp.prototype.multiply2D = function (k) { 433 | if (this.isInfinity()) return this; 434 | if (k.signum() == 0) return this.curve.getInfinity(); 435 | 436 | var e = k; 437 | var h = e.multiply(new BigInteger("3")); 438 | 439 | var neg = this.negate(); 440 | var R = this; 441 | 442 | var i; 443 | for (i = h.bitLength() - 2; i > 0; --i) { 444 | R = R.twice(); 445 | 446 | var hBit = h.testBit(i); 447 | var eBit = e.testBit(i); 448 | 449 | if (hBit != eBit) { 450 | R = R.add2D(hBit ? this : neg); 451 | } 452 | } 453 | 454 | return R; 455 | }; 456 | 457 | ec.PointFp.prototype.isOnCurve = function () { 458 | var x = this.getX().toBigInteger(); 459 | var y = this.getY().toBigInteger(); 460 | var a = this.curve.getA().toBigInteger(); 461 | var b = this.curve.getB().toBigInteger(); 462 | var n = this.curve.getQ(); 463 | var lhs = y.multiply(y).mod(n); 464 | var rhs = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(n); 465 | return lhs.equals(rhs); 466 | }; 467 | 468 | ec.PointFp.prototype.toString = function () { 469 | return '(' + this.getX().toBigInteger().toString() + ',' + this.getY().toBigInteger().toString() + ')'; 470 | }; 471 | 472 | /** 473 | * Validate an elliptic curve point. 474 | * 475 | * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive 476 | */ 477 | ec.PointFp.prototype.validate = function () { 478 | var n = this.curve.getQ(); 479 | 480 | // Check Q != O 481 | if (this.isInfinity()) { 482 | throw new Error("Point is at infinity."); 483 | } 484 | 485 | // Check coordinate bounds 486 | var x = this.getX().toBigInteger(); 487 | var y = this.getY().toBigInteger(); 488 | if (x.compareTo(BigInteger.ONE) < 0 || x.compareTo(n.subtract(BigInteger.ONE)) > 0) { 489 | throw new Error('x coordinate out of bounds'); 490 | } 491 | if (y.compareTo(BigInteger.ONE) < 0 || y.compareTo(n.subtract(BigInteger.ONE)) > 0) { 492 | throw new Error('y coordinate out of bounds'); 493 | } 494 | 495 | // Check y^2 = x^3 + ax + b (mod n) 496 | if (!this.isOnCurve()) { 497 | throw new Error("Point is not on the curve."); 498 | } 499 | 500 | // Check nQ = 0 (Q is a scalar multiple of G) 501 | if (this.multiply(n).isInfinity()) { 502 | // TODO: This check doesn't work - fix. 503 | throw new Error("Point is not a scalar multiple of G."); 504 | } 505 | 506 | return true; 507 | }; 508 | 509 | 510 | 511 | 512 | // ---------------- 513 | // ECCurveFp constructor 514 | ec.CurveFp = function (q, a, b) { 515 | this.q = q; 516 | this.a = this.fromBigInteger(a); 517 | this.b = this.fromBigInteger(b); 518 | this.infinity = new ec.PointFp(this, null, null); 519 | this.reducer = new Barrett(this.q); 520 | } 521 | 522 | ec.CurveFp.prototype.getQ = function () { 523 | return this.q; 524 | }; 525 | 526 | ec.CurveFp.prototype.getA = function () { 527 | return this.a; 528 | }; 529 | 530 | ec.CurveFp.prototype.getB = function () { 531 | return this.b; 532 | }; 533 | 534 | ec.CurveFp.prototype.equals = function (other) { 535 | if (other == this) return true; 536 | return (this.q.equals(other.q) && this.a.equals(other.a) && this.b.equals(other.b)); 537 | }; 538 | 539 | ec.CurveFp.prototype.getInfinity = function () { 540 | return this.infinity; 541 | }; 542 | 543 | ec.CurveFp.prototype.fromBigInteger = function (x) { 544 | return new ec.FieldElementFp(this.q, x); 545 | }; 546 | 547 | ec.CurveFp.prototype.reduce = function (x) { 548 | this.reducer.reduce(x); 549 | }; 550 | 551 | // for now, work with hex strings because they're easier in JS 552 | // compressed support added by bitaddress.org 553 | ec.CurveFp.prototype.decodePointHex = function (s) { 554 | var firstByte = parseInt(s.substr(0, 2), 16); 555 | switch (firstByte) { // first byte 556 | case 0: 557 | return this.infinity; 558 | case 2: // compressed 559 | case 3: // compressed 560 | var yTilde = firstByte & 1; 561 | var xHex = s.substr(2, s.length - 2); 562 | var X1 = new BigInteger(xHex, 16); 563 | return this.decompressPoint(yTilde, X1); 564 | case 4: // uncompressed 565 | case 6: // hybrid 566 | case 7: // hybrid 567 | var len = (s.length - 2) / 2; 568 | var xHex = s.substr(2, len); 569 | var yHex = s.substr(len + 2, len); 570 | 571 | return new ec.PointFp(this, 572 | this.fromBigInteger(new BigInteger(xHex, 16)), 573 | this.fromBigInteger(new BigInteger(yHex, 16))); 574 | 575 | default: // unsupported 576 | return null; 577 | } 578 | }; 579 | 580 | ec.CurveFp.prototype.encodePointHex = function (p) { 581 | if (p.isInfinity()) return "00"; 582 | var xHex = p.getX().toBigInteger().toString(16); 583 | var yHex = p.getY().toBigInteger().toString(16); 584 | var oLen = this.getQ().toString(16).length; 585 | if ((oLen % 2) != 0) oLen++; 586 | while (xHex.length < oLen) { 587 | xHex = "0" + xHex; 588 | } 589 | while (yHex.length < oLen) { 590 | yHex = "0" + yHex; 591 | } 592 | return "04" + xHex + yHex; 593 | }; 594 | 595 | /* 596 | * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org) 597 | * Ported to JavaScript by bitaddress.org 598 | * 599 | * Number yTilde 600 | * BigInteger X1 601 | */ 602 | ec.CurveFp.prototype.decompressPoint = function (yTilde, X1) { 603 | var x = this.fromBigInteger(X1); 604 | var alpha = x.multiply(x.square().add(this.getA())).add(this.getB()); 605 | var beta = alpha.sqrt(); 606 | // if we can't find a sqrt we haven't got a point on the curve - run! 607 | if (beta == null) throw new Error("Invalid point compression"); 608 | var betaValue = beta.toBigInteger(); 609 | var bit0 = betaValue.testBit(0) ? 1 : 0; 610 | if (bit0 != yTilde) { 611 | // Use the other root 612 | beta = this.fromBigInteger(this.getQ().subtract(betaValue)); 613 | } 614 | return new ec.PointFp(this, x, beta, null, true); 615 | }; 616 | 617 | 618 | ec.fromHex = function (s) { return new BigInteger(s, 16); }; 619 | 620 | ec.integerToBytes = function (i, len) { 621 | var bytes = i.toByteArrayUnsigned(); 622 | if (len < bytes.length) { 623 | bytes = bytes.slice(bytes.length - len); 624 | } else while (len > bytes.length) { 625 | bytes.unshift(0); 626 | } 627 | return bytes; 628 | }; 629 | 630 | 631 | // Named EC curves 632 | // ---------------- 633 | // X9ECParameters constructor 634 | ec.X9Parameters = function (curve, g, n, h) { 635 | this.curve = curve; 636 | this.g = g; 637 | this.n = n; 638 | this.h = h; 639 | } 640 | ec.X9Parameters.prototype.getCurve = function () { return this.curve; }; 641 | ec.X9Parameters.prototype.getG = function () { return this.g; }; 642 | ec.X9Parameters.prototype.getN = function () { return this.n; }; 643 | ec.X9Parameters.prototype.getH = function () { return this.h; }; 644 | 645 | // secp256k1 is the Curve used by Bitcoin 646 | ec.secNamedCurves = { 647 | // used by Bitcoin 648 | "secp256k1": function () { 649 | // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1 650 | var p = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F"); 651 | var a = BigInteger.ZERO; 652 | var b = ec.fromHex("7"); 653 | var n = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141"); 654 | var h = BigInteger.ONE; 655 | var curve = new ec.CurveFp(p, a, b); 656 | var G = curve.decodePointHex("04" 657 | + "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" 658 | + "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8"); 659 | return new ec.X9Parameters(curve, G, n, h); 660 | } 661 | }; 662 | 663 | // secp256k1 called by Bitcoin's ECKEY 664 | ec.getSECCurveByName = function (name) { 665 | if (ec.secNamedCurves[name] == undefined) return null; 666 | return ec.secNamedCurves[name](); 667 | } 668 | })(); 669 | -------------------------------------------------------------------------------- /js/moment.min.js: -------------------------------------------------------------------------------- 1 | //! moment.js 2 | //! version : 2.10.6 3 | //! authors : Tim Wood, Iskren Chernev, Moment.js contributors 4 | 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