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Direktori : /lib/node_modules/npm/node_modules/tweetnacl/ |
Current File : //lib/node_modules/npm/node_modules/tweetnacl/nacl-fast.js |
(function(nacl) { 'use strict'; // Ported in 2014 by Dmitry Chestnykh and Devi Mandiri. // Public domain. // // Implementation derived from TweetNaCl version 20140427. // See for details: http://tweetnacl.cr.yp.to/ var gf = function(init) { var i, r = new Float64Array(16); if (init) for (i = 0; i < init.length; i++) r[i] = init[i]; return r; }; // Pluggable, initialized in high-level API below. var randombytes = function(/* x, n */) { throw new Error('no PRNG'); }; var _0 = new Uint8Array(16); var _9 = new Uint8Array(32); _9[0] = 9; var gf0 = gf(), gf1 = gf([1]), _121665 = gf([0xdb41, 1]), D = gf([0x78a3, 0x1359, 0x4dca, 0x75eb, 0xd8ab, 0x4141, 0x0a4d, 0x0070, 0xe898, 0x7779, 0x4079, 0x8cc7, 0xfe73, 0x2b6f, 0x6cee, 0x5203]), D2 = gf([0xf159, 0x26b2, 0x9b94, 0xebd6, 0xb156, 0x8283, 0x149a, 0x00e0, 0xd130, 0xeef3, 0x80f2, 0x198e, 0xfce7, 0x56df, 0xd9dc, 0x2406]), X = gf([0xd51a, 0x8f25, 0x2d60, 0xc956, 0xa7b2, 0x9525, 0xc760, 0x692c, 0xdc5c, 0xfdd6, 0xe231, 0xc0a4, 0x53fe, 0xcd6e, 0x36d3, 0x2169]), Y = gf([0x6658, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666]), I = gf([0xa0b0, 0x4a0e, 0x1b27, 0xc4ee, 0xe478, 0xad2f, 0x1806, 0x2f43, 0xd7a7, 0x3dfb, 0x0099, 0x2b4d, 0xdf0b, 0x4fc1, 0x2480, 0x2b83]); function ts64(x, i, h, l) { x[i] = (h >> 24) & 0xff; x[i+1] = (h >> 16) & 0xff; x[i+2] = (h >> 8) & 0xff; x[i+3] = h & 0xff; x[i+4] = (l >> 24) & 0xff; x[i+5] = (l >> 16) & 0xff; x[i+6] = (l >> 8) & 0xff; x[i+7] = l & 0xff; } function vn(x, xi, y, yi, n) { var i,d = 0; for (i = 0; i < n; i++) d |= x[xi+i]^y[yi+i]; return (1 & ((d - 1) >>> 8)) - 1; } function crypto_verify_16(x, xi, y, yi) { return vn(x,xi,y,yi,16); } function crypto_verify_32(x, xi, y, yi) { return vn(x,xi,y,yi,32); } function core_salsa20(o, p, k, c) { var j0 = c[ 0] & 0xff | (c[ 1] & 0xff)<<8 | (c[ 2] & 0xff)<<16 | (c[ 3] & 0xff)<<24, j1 = k[ 0] & 0xff | (k[ 1] & 0xff)<<8 | (k[ 2] & 0xff)<<16 | (k[ 3] & 0xff)<<24, j2 = k[ 4] & 0xff | (k[ 5] & 0xff)<<8 | (k[ 6] & 0xff)<<16 | (k[ 7] & 0xff)<<24, j3 = k[ 8] & 0xff | (k[ 9] & 0xff)<<8 | (k[10] & 0xff)<<16 | (k[11] & 0xff)<<24, j4 = k[12] & 0xff | (k[13] & 0xff)<<8 | (k[14] & 0xff)<<16 | (k[15] & 0xff)<<24, j5 = c[ 4] & 0xff | (c[ 5] & 0xff)<<8 | (c[ 6] & 0xff)<<16 | (c[ 7] & 0xff)<<24, j6 = p[ 0] & 0xff | (p[ 1] & 0xff)<<8 | (p[ 2] & 0xff)<<16 | (p[ 3] & 0xff)<<24, j7 = p[ 4] & 0xff | (p[ 5] & 0xff)<<8 | (p[ 6] & 0xff)<<16 | (p[ 7] & 0xff)<<24, j8 = p[ 8] & 0xff | (p[ 9] & 0xff)<<8 | (p[10] & 0xff)<<16 | (p[11] & 0xff)<<24, j9 = p[12] & 0xff | (p[13] & 0xff)<<8 | (p[14] & 0xff)<<16 | (p[15] & 0xff)<<24, j10 = c[ 8] & 0xff | (c[ 9] & 0xff)<<8 | (c[10] & 0xff)<<16 | (c[11] & 0xff)<<24, j11 = k[16] & 0xff | (k[17] & 0xff)<<8 | (k[18] & 0xff)<<16 | (k[19] & 0xff)<<24, j12 = k[20] & 0xff | (k[21] & 0xff)<<8 | (k[22] & 0xff)<<16 | (k[23] & 0xff)<<24, j13 = k[24] & 0xff | (k[25] & 0xff)<<8 | (k[26] & 0xff)<<16 | (k[27] & 0xff)<<24, j14 = k[28] & 0xff | (k[29] & 0xff)<<8 | (k[30] & 0xff)<<16 | (k[31] & 0xff)<<24, j15 = c[12] & 0xff | (c[13] & 0xff)<<8 | (c[14] & 0xff)<<16 | (c[15] & 0xff)<<24; var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7, x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14, x15 = j15, u; for (var i = 0; i < 20; i += 2) { u = x0 + x12 | 0; x4 ^= u<<7 | u>>>(32-7); u = x4 + x0 | 0; x8 ^= u<<9 | u>>>(32-9); u = x8 + x4 | 0; x12 ^= u<<13 | u>>>(32-13); u = x12 + x8 | 0; x0 ^= u<<18 | u>>>(32-18); u = x5 + x1 | 0; x9 ^= u<<7 | u>>>(32-7); u = x9 + x5 | 0; x13 ^= u<<9 | u>>>(32-9); u = x13 + x9 | 0; x1 ^= u<<13 | u>>>(32-13); u = x1 + x13 | 0; x5 ^= u<<18 | u>>>(32-18); u = x10 + x6 | 0; x14 ^= u<<7 | u>>>(32-7); u = x14 + x10 | 0; x2 ^= u<<9 | u>>>(32-9); u = x2 + x14 | 0; x6 ^= u<<13 | u>>>(32-13); u = x6 + x2 | 0; x10 ^= u<<18 | u>>>(32-18); u = x15 + x11 | 0; x3 ^= u<<7 | u>>>(32-7); u = x3 + x15 | 0; x7 ^= u<<9 | u>>>(32-9); u = x7 + x3 | 0; x11 ^= u<<13 | u>>>(32-13); u = x11 + x7 | 0; x15 ^= u<<18 | u>>>(32-18); u = x0 + x3 | 0; x1 ^= u<<7 | u>>>(32-7); u = x1 + x0 | 0; x2 ^= u<<9 | u>>>(32-9); u = x2 + x1 | 0; x3 ^= u<<13 | u>>>(32-13); u = x3 + x2 | 0; x0 ^= u<<18 | u>>>(32-18); u = x5 + x4 | 0; x6 ^= u<<7 | u>>>(32-7); u = x6 + x5 | 0; x7 ^= u<<9 | u>>>(32-9); u = x7 + x6 | 0; x4 ^= u<<13 | u>>>(32-13); u = x4 + x7 | 0; x5 ^= u<<18 | u>>>(32-18); u = x10 + x9 | 0; x11 ^= u<<7 | u>>>(32-7); u = x11 + x10 | 0; x8 ^= u<<9 | u>>>(32-9); u = x8 + x11 | 0; x9 ^= u<<13 | u>>>(32-13); u = x9 + x8 | 0; x10 ^= u<<18 | u>>>(32-18); u = x15 + x14 | 0; x12 ^= u<<7 | u>>>(32-7); u = x12 + x15 | 0; x13 ^= u<<9 | u>>>(32-9); u = x13 + x12 | 0; x14 ^= u<<13 | u>>>(32-13); u = x14 + x13 | 0; x15 ^= u<<18 | u>>>(32-18); } x0 = x0 + j0 | 0; x1 = x1 + j1 | 0; x2 = x2 + j2 | 0; x3 = x3 + j3 | 0; x4 = x4 + j4 | 0; x5 = x5 + j5 | 0; x6 = x6 + j6 | 0; x7 = x7 + j7 | 0; x8 = x8 + j8 | 0; x9 = x9 + j9 | 0; x10 = x10 + j10 | 0; x11 = x11 + j11 | 0; x12 = x12 + j12 | 0; x13 = x13 + j13 | 0; x14 = x14 + j14 | 0; x15 = x15 + j15 | 0; o[ 0] = x0 >>> 0 & 0xff; o[ 1] = x0 >>> 8 & 0xff; o[ 2] = x0 >>> 16 & 0xff; o[ 3] = x0 >>> 24 & 0xff; o[ 4] = x1 >>> 0 & 0xff; o[ 5] = x1 >>> 8 & 0xff; o[ 6] = x1 >>> 16 & 0xff; o[ 7] = x1 >>> 24 & 0xff; o[ 8] = x2 >>> 0 & 0xff; o[ 9] = x2 >>> 8 & 0xff; o[10] = x2 >>> 16 & 0xff; o[11] = x2 >>> 24 & 0xff; o[12] = x3 >>> 0 & 0xff; o[13] = x3 >>> 8 & 0xff; o[14] = x3 >>> 16 & 0xff; o[15] = x3 >>> 24 & 0xff; o[16] = x4 >>> 0 & 0xff; o[17] = x4 >>> 8 & 0xff; o[18] = x4 >>> 16 & 0xff; o[19] = x4 >>> 24 & 0xff; o[20] = x5 >>> 0 & 0xff; o[21] = x5 >>> 8 & 0xff; o[22] = x5 >>> 16 & 0xff; o[23] = x5 >>> 24 & 0xff; o[24] = x6 >>> 0 & 0xff; o[25] = x6 >>> 8 & 0xff; o[26] = x6 >>> 16 & 0xff; o[27] = x6 >>> 24 & 0xff; o[28] = x7 >>> 0 & 0xff; o[29] = x7 >>> 8 & 0xff; o[30] = x7 >>> 16 & 0xff; o[31] = x7 >>> 24 & 0xff; o[32] = x8 >>> 0 & 0xff; o[33] = x8 >>> 8 & 0xff; o[34] = x8 >>> 16 & 0xff; o[35] = x8 >>> 24 & 0xff; o[36] = x9 >>> 0 & 0xff; o[37] = x9 >>> 8 & 0xff; o[38] = x9 >>> 16 & 0xff; o[39] = x9 >>> 24 & 0xff; o[40] = x10 >>> 0 & 0xff; o[41] = x10 >>> 8 & 0xff; o[42] = x10 >>> 16 & 0xff; o[43] = x10 >>> 24 & 0xff; o[44] = x11 >>> 0 & 0xff; o[45] = x11 >>> 8 & 0xff; o[46] = x11 >>> 16 & 0xff; o[47] = x11 >>> 24 & 0xff; o[48] = x12 >>> 0 & 0xff; o[49] = x12 >>> 8 & 0xff; o[50] = x12 >>> 16 & 0xff; o[51] = x12 >>> 24 & 0xff; o[52] = x13 >>> 0 & 0xff; o[53] = x13 >>> 8 & 0xff; o[54] = x13 >>> 16 & 0xff; o[55] = x13 >>> 24 & 0xff; o[56] = x14 >>> 0 & 0xff; o[57] = x14 >>> 8 & 0xff; o[58] = x14 >>> 16 & 0xff; o[59] = x14 >>> 24 & 0xff; o[60] = x15 >>> 0 & 0xff; o[61] = x15 >>> 8 & 0xff; o[62] = x15 >>> 16 & 0xff; o[63] = x15 >>> 24 & 0xff; } function core_hsalsa20(o,p,k,c) { var j0 = c[ 0] & 0xff | (c[ 1] & 0xff)<<8 | (c[ 2] & 0xff)<<16 | (c[ 3] & 0xff)<<24, j1 = k[ 0] & 0xff | (k[ 1] & 0xff)<<8 | (k[ 2] & 0xff)<<16 | (k[ 3] & 0xff)<<24, j2 = k[ 4] & 0xff | (k[ 5] & 0xff)<<8 | (k[ 6] & 0xff)<<16 | (k[ 7] & 0xff)<<24, j3 = k[ 8] & 0xff | (k[ 9] & 0xff)<<8 | (k[10] & 0xff)<<16 | (k[11] & 0xff)<<24, j4 = k[12] & 0xff | (k[13] & 0xff)<<8 | (k[14] & 0xff)<<16 | (k[15] & 0xff)<<24, j5 = c[ 4] & 0xff | (c[ 5] & 0xff)<<8 | (c[ 6] & 0xff)<<16 | (c[ 7] & 0xff)<<24, j6 = p[ 0] & 0xff | (p[ 1] & 0xff)<<8 | (p[ 2] & 0xff)<<16 | (p[ 3] & 0xff)<<24, j7 = p[ 4] & 0xff | (p[ 5] & 0xff)<<8 | (p[ 6] & 0xff)<<16 | (p[ 7] & 0xff)<<24, j8 = p[ 8] & 0xff | (p[ 9] & 0xff)<<8 | (p[10] & 0xff)<<16 | (p[11] & 0xff)<<24, j9 = p[12] & 0xff | (p[13] & 0xff)<<8 | (p[14] & 0xff)<<16 | (p[15] & 0xff)<<24, j10 = c[ 8] & 0xff | (c[ 9] & 0xff)<<8 | (c[10] & 0xff)<<16 | (c[11] & 0xff)<<24, j11 = k[16] & 0xff | (k[17] & 0xff)<<8 | (k[18] & 0xff)<<16 | (k[19] & 0xff)<<24, j12 = k[20] & 0xff | (k[21] & 0xff)<<8 | (k[22] & 0xff)<<16 | (k[23] & 0xff)<<24, j13 = k[24] & 0xff | (k[25] & 0xff)<<8 | (k[26] & 0xff)<<16 | (k[27] & 0xff)<<24, j14 = k[28] & 0xff | (k[29] & 0xff)<<8 | (k[30] & 0xff)<<16 | (k[31] & 0xff)<<24, j15 = c[12] & 0xff | (c[13] & 0xff)<<8 | (c[14] & 0xff)<<16 | (c[15] & 0xff)<<24; var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7, x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14, x15 = j15, u; for (var i = 0; i < 20; i += 2) { u = x0 + x12 | 0; x4 ^= u<<7 | u>>>(32-7); u = x4 + x0 | 0; x8 ^= u<<9 | u>>>(32-9); u = x8 + x4 | 0; x12 ^= u<<13 | u>>>(32-13); u = x12 + x8 | 0; x0 ^= u<<18 | u>>>(32-18); u = x5 + x1 | 0; x9 ^= u<<7 | u>>>(32-7); u = x9 + x5 | 0; x13 ^= u<<9 | u>>>(32-9); u = x13 + x9 | 0; x1 ^= u<<13 | u>>>(32-13); u = x1 + x13 | 0; x5 ^= u<<18 | u>>>(32-18); u = x10 + x6 | 0; x14 ^= u<<7 | u>>>(32-7); u = x14 + x10 | 0; x2 ^= u<<9 | u>>>(32-9); u = x2 + x14 | 0; x6 ^= u<<13 | u>>>(32-13); u = x6 + x2 | 0; x10 ^= u<<18 | u>>>(32-18); u = x15 + x11 | 0; x3 ^= u<<7 | u>>>(32-7); u = x3 + x15 | 0; x7 ^= u<<9 | u>>>(32-9); u = x7 + x3 | 0; x11 ^= u<<13 | u>>>(32-13); u = x11 + x7 | 0; x15 ^= u<<18 | u>>>(32-18); u = x0 + x3 | 0; x1 ^= u<<7 | u>>>(32-7); u = x1 + x0 | 0; x2 ^= u<<9 | u>>>(32-9); u = x2 + x1 | 0; x3 ^= u<<13 | u>>>(32-13); u = x3 + x2 | 0; x0 ^= u<<18 | u>>>(32-18); u = x5 + x4 | 0; x6 ^= u<<7 | u>>>(32-7); u = x6 + x5 | 0; x7 ^= u<<9 | u>>>(32-9); u = x7 + x6 | 0; x4 ^= u<<13 | u>>>(32-13); u = x4 + x7 | 0; x5 ^= u<<18 | u>>>(32-18); u = x10 + x9 | 0; x11 ^= u<<7 | u>>>(32-7); u = x11 + x10 | 0; x8 ^= u<<9 | u>>>(32-9); u = x8 + x11 | 0; x9 ^= u<<13 | u>>>(32-13); u = x9 + x8 | 0; x10 ^= u<<18 | u>>>(32-18); u = x15 + x14 | 0; x12 ^= u<<7 | u>>>(32-7); u = x12 + x15 | 0; x13 ^= u<<9 | u>>>(32-9); u = x13 + x12 | 0; x14 ^= u<<13 | u>>>(32-13); u = x14 + x13 | 0; x15 ^= u<<18 | u>>>(32-18); } o[ 0] = x0 >>> 0 & 0xff; o[ 1] = x0 >>> 8 & 0xff; o[ 2] = x0 >>> 16 & 0xff; o[ 3] = x0 >>> 24 & 0xff; o[ 4] = x5 >>> 0 & 0xff; o[ 5] = x5 >>> 8 & 0xff; o[ 6] = x5 >>> 16 & 0xff; o[ 7] = x5 >>> 24 & 0xff; o[ 8] = x10 >>> 0 & 0xff; o[ 9] = x10 >>> 8 & 0xff; o[10] = x10 >>> 16 & 0xff; o[11] = x10 >>> 24 & 0xff; o[12] = x15 >>> 0 & 0xff; o[13] = x15 >>> 8 & 0xff; o[14] = x15 >>> 16 & 0xff; o[15] = x15 >>> 24 & 0xff; o[16] = x6 >>> 0 & 0xff; o[17] = x6 >>> 8 & 0xff; o[18] = x6 >>> 16 & 0xff; o[19] = x6 >>> 24 & 0xff; o[20] = x7 >>> 0 & 0xff; o[21] = x7 >>> 8 & 0xff; o[22] = x7 >>> 16 & 0xff; o[23] = x7 >>> 24 & 0xff; o[24] = x8 >>> 0 & 0xff; o[25] = x8 >>> 8 & 0xff; o[26] = x8 >>> 16 & 0xff; o[27] = x8 >>> 24 & 0xff; o[28] = x9 >>> 0 & 0xff; o[29] = x9 >>> 8 & 0xff; o[30] = x9 >>> 16 & 0xff; o[31] = x9 >>> 24 & 0xff; } function crypto_core_salsa20(out,inp,k,c) { core_salsa20(out,inp,k,c); } function crypto_core_hsalsa20(out,inp,k,c) { core_hsalsa20(out,inp,k,c); } var sigma = new Uint8Array([101, 120, 112, 97, 110, 100, 32, 51, 50, 45, 98, 121, 116, 101, 32, 107]); // "expand 32-byte k" function crypto_stream_salsa20_xor(c,cpos,m,mpos,b,n,k) { var z = new Uint8Array(16), x = new Uint8Array(64); var u, i; for (i = 0; i < 16; i++) z[i] = 0; for (i = 0; i < 8; i++) z[i] = n[i]; while (b >= 64) { crypto_core_salsa20(x,z,k,sigma); for (i = 0; i < 64; i++) c[cpos+i] = m[mpos+i] ^ x[i]; u = 1; for (i = 8; i < 16; i++) { u = u + (z[i] & 0xff) | 0; z[i] = u & 0xff; u >>>= 8; } b -= 64; cpos += 64; mpos += 64; } if (b > 0) { crypto_core_salsa20(x,z,k,sigma); for (i = 0; i < b; i++) c[cpos+i] = m[mpos+i] ^ x[i]; } return 0; } function crypto_stream_salsa20(c,cpos,b,n,k) { var z = new Uint8Array(16), x = new Uint8Array(64); var u, i; for (i = 0; i < 16; i++) z[i] = 0; for (i = 0; i < 8; i++) z[i] = n[i]; while (b >= 64) { crypto_core_salsa20(x,z,k,sigma); for (i = 0; i < 64; i++) c[cpos+i] = x[i]; u = 1; for (i = 8; i < 16; i++) { u = u + (z[i] & 0xff) | 0; z[i] = u & 0xff; u >>>= 8; } b -= 64; cpos += 64; } if (b > 0) { crypto_core_salsa20(x,z,k,sigma); for (i = 0; i < b; i++) c[cpos+i] = x[i]; } return 0; } function crypto_stream(c,cpos,d,n,k) { var s = new Uint8Array(32); crypto_core_hsalsa20(s,n,k,sigma); var sn = new Uint8Array(8); for (var i = 0; i < 8; i++) sn[i] = n[i+16]; return crypto_stream_salsa20(c,cpos,d,sn,s); } function crypto_stream_xor(c,cpos,m,mpos,d,n,k) { var s = new Uint8Array(32); crypto_core_hsalsa20(s,n,k,sigma); var sn = new Uint8Array(8); for (var i = 0; i < 8; i++) sn[i] = n[i+16]; return crypto_stream_salsa20_xor(c,cpos,m,mpos,d,sn,s); } /* * Port of Andrew Moon's Poly1305-donna-16. Public domain. * https://github.com/floodyberry/poly1305-donna */ var poly1305 = function(key) { this.buffer = new Uint8Array(16); this.r = new Uint16Array(10); this.h = new Uint16Array(10); this.pad = new Uint16Array(8); this.leftover = 0; this.fin = 0; var t0, t1, t2, t3, t4, t5, t6, t7; t0 = key[ 0] & 0xff | (key[ 1] & 0xff) << 8; this.r[0] = ( t0 ) & 0x1fff; t1 = key[ 2] & 0xff | (key[ 3] & 0xff) << 8; this.r[1] = ((t0 >>> 13) | (t1 << 3)) & 0x1fff; t2 = key[ 4] & 0xff | (key[ 5] & 0xff) << 8; this.r[2] = ((t1 >>> 10) | (t2 << 6)) & 0x1f03; t3 = key[ 6] & 0xff | (key[ 7] & 0xff) << 8; this.r[3] = ((t2 >>> 7) | (t3 << 9)) & 0x1fff; t4 = key[ 8] & 0xff | (key[ 9] & 0xff) << 8; this.r[4] = ((t3 >>> 4) | (t4 << 12)) & 0x00ff; this.r[5] = ((t4 >>> 1)) & 0x1ffe; t5 = key[10] & 0xff | (key[11] & 0xff) << 8; this.r[6] = ((t4 >>> 14) | (t5 << 2)) & 0x1fff; t6 = key[12] & 0xff | (key[13] & 0xff) << 8; this.r[7] = ((t5 >>> 11) | (t6 << 5)) & 0x1f81; t7 = key[14] & 0xff | (key[15] & 0xff) << 8; this.r[8] = ((t6 >>> 8) | (t7 << 8)) & 0x1fff; this.r[9] = ((t7 >>> 5)) & 0x007f; this.pad[0] = key[16] & 0xff | (key[17] & 0xff) << 8; this.pad[1] = key[18] & 0xff | (key[19] & 0xff) << 8; this.pad[2] = key[20] & 0xff | (key[21] & 0xff) << 8; this.pad[3] = key[22] & 0xff | (key[23] & 0xff) << 8; this.pad[4] = key[24] & 0xff | (key[25] & 0xff) << 8; this.pad[5] = key[26] & 0xff | (key[27] & 0xff) << 8; this.pad[6] = key[28] & 0xff | (key[29] & 0xff) << 8; this.pad[7] = key[30] & 0xff | (key[31] & 0xff) << 8; }; poly1305.prototype.blocks = function(m, mpos, bytes) { var hibit = this.fin ? 0 : (1 << 11); var t0, t1, t2, t3, t4, t5, t6, t7, c; var d0, d1, d2, d3, d4, d5, d6, d7, d8, d9; var h0 = this.h[0], h1 = this.h[1], h2 = this.h[2], h3 = this.h[3], h4 = this.h[4], h5 = this.h[5], h6 = this.h[6], h7 = this.h[7], h8 = this.h[8], h9 = this.h[9]; var r0 = this.r[0], r1 = this.r[1], r2 = this.r[2], r3 = this.r[3], r4 = this.r[4], r5 = this.r[5], r6 = this.r[6], r7 = this.r[7], r8 = this.r[8], r9 = this.r[9]; while (bytes >= 16) { t0 = m[mpos+ 0] & 0xff | (m[mpos+ 1] & 0xff) << 8; h0 += ( t0 ) & 0x1fff; t1 = m[mpos+ 2] & 0xff | (m[mpos+ 3] & 0xff) << 8; h1 += ((t0 >>> 13) | (t1 << 3)) & 0x1fff; t2 = m[mpos+ 4] & 0xff | (m[mpos+ 5] & 0xff) << 8; h2 += ((t1 >>> 10) | (t2 << 6)) & 0x1fff; t3 = m[mpos+ 6] & 0xff | (m[mpos+ 7] & 0xff) << 8; h3 += ((t2 >>> 7) | (t3 << 9)) & 0x1fff; t4 = m[mpos+ 8] & 0xff | (m[mpos+ 9] & 0xff) << 8; h4 += ((t3 >>> 4) | (t4 << 12)) & 0x1fff; h5 += ((t4 >>> 1)) & 0x1fff; t5 = m[mpos+10] & 0xff | (m[mpos+11] & 0xff) << 8; h6 += ((t4 >>> 14) | (t5 << 2)) & 0x1fff; t6 = m[mpos+12] & 0xff | (m[mpos+13] & 0xff) << 8; h7 += ((t5 >>> 11) | (t6 << 5)) & 0x1fff; t7 = m[mpos+14] & 0xff | (m[mpos+15] & 0xff) << 8; h8 += ((t6 >>> 8) | (t7 << 8)) & 0x1fff; h9 += ((t7 >>> 5)) | hibit; c = 0; d0 = c; d0 += h0 * r0; d0 += h1 * (5 * r9); d0 += h2 * (5 * r8); d0 += h3 * (5 * r7); d0 += h4 * (5 * r6); c = (d0 >>> 13); d0 &= 0x1fff; d0 += h5 * (5 * r5); d0 += h6 * (5 * r4); d0 += h7 * (5 * r3); d0 += h8 * (5 * r2); d0 += h9 * (5 * r1); c += (d0 >>> 13); d0 &= 0x1fff; d1 = c; d1 += h0 * r1; d1 += h1 * r0; d1 += h2 * (5 * r9); d1 += h3 * (5 * r8); d1 += h4 * (5 * r7); c = (d1 >>> 13); d1 &= 0x1fff; d1 += h5 * (5 * r6); d1 += h6 * (5 * r5); d1 += h7 * (5 * r4); d1 += h8 * (5 * r3); d1 += h9 * (5 * r2); c += (d1 >>> 13); d1 &= 0x1fff; d2 = c; d2 += h0 * r2; d2 += h1 * r1; d2 += h2 * r0; d2 += h3 * (5 * r9); d2 += h4 * (5 * r8); c = (d2 >>> 13); d2 &= 0x1fff; d2 += h5 * (5 * r7); d2 += h6 * (5 * r6); d2 += h7 * (5 * r5); d2 += h8 * (5 * r4); d2 += h9 * (5 * r3); c += (d2 >>> 13); d2 &= 0x1fff; d3 = c; d3 += h0 * r3; d3 += h1 * r2; d3 += h2 * r1; d3 += h3 * r0; d3 += h4 * (5 * r9); c = (d3 >>> 13); d3 &= 0x1fff; d3 += h5 * (5 * r8); d3 += h6 * (5 * r7); d3 += h7 * (5 * r6); d3 += h8 * (5 * r5); d3 += h9 * (5 * r4); c += (d3 >>> 13); d3 &= 0x1fff; d4 = c; d4 += h0 * r4; d4 += h1 * r3; d4 += h2 * r2; d4 += h3 * r1; d4 += h4 * r0; c = (d4 >>> 13); d4 &= 0x1fff; d4 += h5 * (5 * r9); d4 += h6 * (5 * r8); d4 += h7 * (5 * r7); d4 += h8 * (5 * r6); d4 += h9 * (5 * r5); c += (d4 >>> 13); d4 &= 0x1fff; d5 = c; d5 += h0 * r5; d5 += h1 * r4; d5 += h2 * r3; d5 += h3 * r2; d5 += h4 * r1; c = (d5 >>> 13); d5 &= 0x1fff; d5 += h5 * r0; d5 += h6 * (5 * r9); d5 += h7 * (5 * r8); d5 += h8 * (5 * r7); d5 += h9 * (5 * r6); c += (d5 >>> 13); d5 &= 0x1fff; d6 = c; d6 += h0 * r6; d6 += h1 * r5; d6 += h2 * r4; d6 += h3 * r3; d6 += h4 * r2; c = (d6 >>> 13); d6 &= 0x1fff; d6 += h5 * r1; d6 += h6 * r0; d6 += h7 * (5 * r9); d6 += h8 * (5 * r8); d6 += h9 * (5 * r7); c += (d6 >>> 13); d6 &= 0x1fff; d7 = c; d7 += h0 * r7; d7 += h1 * r6; d7 += h2 * r5; d7 += h3 * r4; d7 += h4 * r3; c = (d7 >>> 13); d7 &= 0x1fff; d7 += h5 * r2; d7 += h6 * r1; d7 += h7 * r0; d7 += h8 * (5 * r9); d7 += h9 * (5 * r8); c += (d7 >>> 13); d7 &= 0x1fff; d8 = c; d8 += h0 * r8; d8 += h1 * r7; d8 += h2 * r6; d8 += h3 * r5; d8 += h4 * r4; c = (d8 >>> 13); d8 &= 0x1fff; d8 += h5 * r3; d8 += h6 * r2; d8 += h7 * r1; d8 += h8 * r0; d8 += h9 * (5 * r9); c += (d8 >>> 13); d8 &= 0x1fff; d9 = c; d9 += h0 * r9; d9 += h1 * r8; d9 += h2 * r7; d9 += h3 * r6; d9 += h4 * r5; c = (d9 >>> 13); d9 &= 0x1fff; d9 += h5 * r4; d9 += h6 * r3; d9 += h7 * r2; d9 += h8 * r1; d9 += h9 * r0; c += (d9 >>> 13); d9 &= 0x1fff; c = (((c << 2) + c)) | 0; c = (c + d0) | 0; d0 = c & 0x1fff; c = (c >>> 13); d1 += c; h0 = d0; h1 = d1; h2 = d2; h3 = d3; h4 = d4; h5 = d5; h6 = d6; h7 = d7; h8 = d8; h9 = d9; mpos += 16; bytes -= 16; } this.h[0] = h0; this.h[1] = h1; this.h[2] = h2; this.h[3] = h3; this.h[4] = h4; this.h[5] = h5; this.h[6] = h6; this.h[7] = h7; this.h[8] = h8; this.h[9] = h9; }; poly1305.prototype.finish = function(mac, macpos) { var g = new Uint16Array(10); var c, mask, f, i; if (this.leftover) { i = this.leftover; this.buffer[i++] = 1; for (; i < 16; i++) this.buffer[i] = 0; this.fin = 1; this.blocks(this.buffer, 0, 16); } c = this.h[1] >>> 13; this.h[1] &= 0x1fff; for (i = 2; i < 10; i++) { this.h[i] += c; c = this.h[i] >>> 13; this.h[i] &= 0x1fff; } this.h[0] += (c * 5); c = this.h[0] >>> 13; this.h[0] &= 0x1fff; this.h[1] += c; c = this.h[1] >>> 13; this.h[1] &= 0x1fff; this.h[2] += c; g[0] = this.h[0] + 5; c = g[0] >>> 13; g[0] &= 0x1fff; for (i = 1; i < 10; i++) { g[i] = this.h[i] + c; c = g[i] >>> 13; g[i] &= 0x1fff; } g[9] -= (1 << 13); mask = (c ^ 1) - 1; for (i = 0; i < 10; i++) g[i] &= mask; mask = ~mask; for (i = 0; i < 10; i++) this.h[i] = (this.h[i] & mask) | g[i]; this.h[0] = ((this.h[0] ) | (this.h[1] << 13) ) & 0xffff; this.h[1] = ((this.h[1] >>> 3) | (this.h[2] << 10) ) & 0xffff; this.h[2] = ((this.h[2] >>> 6) | (this.h[3] << 7) ) & 0xffff; this.h[3] = ((this.h[3] >>> 9) | (this.h[4] << 4) ) & 0xffff; this.h[4] = ((this.h[4] >>> 12) | (this.h[5] << 1) | (this.h[6] << 14)) & 0xffff; this.h[5] = ((this.h[6] >>> 2) | (this.h[7] << 11) ) & 0xffff; this.h[6] = ((this.h[7] >>> 5) | (this.h[8] << 8) ) & 0xffff; this.h[7] = ((this.h[8] >>> 8) | (this.h[9] << 5) ) & 0xffff; f = this.h[0] + this.pad[0]; this.h[0] = f & 0xffff; for (i = 1; i < 8; i++) { f = (((this.h[i] + this.pad[i]) | 0) + (f >>> 16)) | 0; this.h[i] = f & 0xffff; } mac[macpos+ 0] = (this.h[0] >>> 0) & 0xff; mac[macpos+ 1] = (this.h[0] >>> 8) & 0xff; mac[macpos+ 2] = (this.h[1] >>> 0) & 0xff; mac[macpos+ 3] = (this.h[1] >>> 8) & 0xff; mac[macpos+ 4] = (this.h[2] >>> 0) & 0xff; mac[macpos+ 5] = (this.h[2] >>> 8) & 0xff; mac[macpos+ 6] = (this.h[3] >>> 0) & 0xff; mac[macpos+ 7] = (this.h[3] >>> 8) & 0xff; mac[macpos+ 8] = (this.h[4] >>> 0) & 0xff; mac[macpos+ 9] = (this.h[4] >>> 8) & 0xff; mac[macpos+10] = (this.h[5] >>> 0) & 0xff; mac[macpos+11] = (this.h[5] >>> 8) & 0xff; mac[macpos+12] = (this.h[6] >>> 0) & 0xff; mac[macpos+13] = (this.h[6] >>> 8) & 0xff; mac[macpos+14] = (this.h[7] >>> 0) & 0xff; mac[macpos+15] = (this.h[7] >>> 8) & 0xff; }; poly1305.prototype.update = function(m, mpos, bytes) { var i, want; if (this.leftover) { want = (16 - this.leftover); if (want > bytes) want = bytes; for (i = 0; i < want; i++) this.buffer[this.leftover + i] = m[mpos+i]; bytes -= want; mpos += want; this.leftover += want; if (this.leftover < 16) return; this.blocks(this.buffer, 0, 16); this.leftover = 0; } if (bytes >= 16) { want = bytes - (bytes % 16); this.blocks(m, mpos, want); mpos += want; bytes -= want; } if (bytes) { for (i = 0; i < bytes; i++) this.buffer[this.leftover + i] = m[mpos+i]; this.leftover += bytes; } }; function crypto_onetimeauth(out, outpos, m, mpos, n, k) { var s = new poly1305(k); s.update(m, mpos, n); s.finish(out, outpos); return 0; } function crypto_onetimeauth_verify(h, hpos, m, mpos, n, k) { var x = new Uint8Array(16); crypto_onetimeauth(x,0,m,mpos,n,k); return crypto_verify_16(h,hpos,x,0); } function crypto_secretbox(c,m,d,n,k) { var i; if (d < 32) return -1; crypto_stream_xor(c,0,m,0,d,n,k); crypto_onetimeauth(c, 16, c, 32, d - 32, c); for (i = 0; i < 16; i++) c[i] = 0; return 0; } function crypto_secretbox_open(m,c,d,n,k) { var i; var x = new Uint8Array(32); if (d < 32) return -1; crypto_stream(x,0,32,n,k); if (crypto_onetimeauth_verify(c, 16,c, 32,d - 32,x) !== 0) return -1; crypto_stream_xor(m,0,c,0,d,n,k); for (i = 0; i < 32; i++) m[i] = 0; return 0; } function set25519(r, a) { var i; for (i = 0; i < 16; i++) r[i] = a[i]|0; } function car25519(o) { var i, v, c = 1; for (i = 0; i < 16; i++) { v = o[i] + c + 65535; c = Math.floor(v / 65536); o[i] = v - c * 65536; } o[0] += c-1 + 37 * (c-1); } function sel25519(p, q, b) { var t, c = ~(b-1); for (var i = 0; i < 16; i++) { t = c & (p[i] ^ q[i]); p[i] ^= t; q[i] ^= t; } } function pack25519(o, n) { var i, j, b; var m = gf(), t = gf(); for (i = 0; i < 16; i++) t[i] = n[i]; car25519(t); car25519(t); car25519(t); for (j = 0; j < 2; j++) { m[0] = t[0] - 0xffed; for (i = 1; i < 15; i++) { m[i] = t[i] - 0xffff - ((m[i-1]>>16) & 1); m[i-1] &= 0xffff; } m[15] = t[15] - 0x7fff - ((m[14]>>16) & 1); b = (m[15]>>16) & 1; m[14] &= 0xffff; sel25519(t, m, 1-b); } for (i = 0; i < 16; i++) { o[2*i] = t[i] & 0xff; o[2*i+1] = t[i]>>8; } } function neq25519(a, b) { var c = new Uint8Array(32), d = new Uint8Array(32); pack25519(c, a); pack25519(d, b); return crypto_verify_32(c, 0, d, 0); } function par25519(a) { var d = new Uint8Array(32); pack25519(d, a); return d[0] & 1; } function unpack25519(o, n) { var i; for (i = 0; i < 16; i++) o[i] = n[2*i] + (n[2*i+1] << 8); o[15] &= 0x7fff; } function A(o, a, b) { for (var i = 0; i < 16; i++) o[i] = a[i] + b[i]; } function Z(o, a, b) { for (var i = 0; i < 16; i++) o[i] = a[i] - b[i]; } function M(o, a, b) { var v, c, t0 = 0, t1 = 0, t2 = 0, t3 = 0, t4 = 0, t5 = 0, t6 = 0, t7 = 0, t8 = 0, t9 = 0, t10 = 0, t11 = 0, t12 = 0, t13 = 0, t14 = 0, t15 = 0, t16 = 0, t17 = 0, t18 = 0, t19 = 0, t20 = 0, t21 = 0, t22 = 0, t23 = 0, t24 = 0, t25 = 0, t26 = 0, t27 = 0, t28 = 0, t29 = 0, t30 = 0, b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3], b4 = b[4], b5 = b[5], b6 = b[6], b7 = b[7], b8 = b[8], b9 = b[9], b10 = b[10], b11 = b[11], b12 = b[12], b13 = b[13], b14 = b[14], b15 = b[15]; v = a[0]; t0 += v * b0; t1 += v * b1; t2 += v * b2; t3 += v * b3; t4 += v * b4; t5 += v * b5; t6 += v * b6; t7 += v * b7; t8 += v * b8; t9 += v * b9; t10 += v * b10; t11 += v * b11; t12 += v * b12; t13 += v * b13; t14 += v * b14; t15 += v * b15; v = a[1]; t1 += v * b0; t2 += v * b1; t3 += v * b2; t4 += v * b3; t5 += v * b4; t6 += v * b5; t7 += v * b6; t8 += v * b7; t9 += v * b8; t10 += v * b9; t11 += v * b10; t12 += v * b11; t13 += v * b12; t14 += v * b13; t15 += v * b14; t16 += v * b15; v = a[2]; t2 += v * b0; t3 += v * b1; t4 += v * b2; t5 += v * b3; t6 += v * b4; t7 += v * b5; t8 += v * b6; t9 += v * b7; t10 += v * b8; t11 += v * b9; t12 += v * b10; t13 += v * b11; t14 += v * b12; t15 += v * b13; t16 += v * b14; t17 += v * b15; v = a[3]; t3 += v * b0; t4 += v * b1; t5 += v * b2; t6 += v * b3; t7 += v * b4; t8 += v * b5; t9 += v * b6; t10 += v * b7; t11 += v * b8; t12 += v * b9; t13 += v * b10; t14 += v * b11; t15 += v * b12; t16 += v * b13; t17 += v * b14; t18 += v * b15; v = a[4]; t4 += v * b0; t5 += v * b1; t6 += v * b2; t7 += v * b3; t8 += v * b4; t9 += v * b5; t10 += v * b6; t11 += v * b7; t12 += v * b8; t13 += v * b9; t14 += v * b10; t15 += v * b11; t16 += v * b12; t17 += v * b13; t18 += v * b14; t19 += v * b15; v = a[5]; t5 += v * b0; t6 += v * b1; t7 += v * b2; t8 += v * b3; t9 += v * b4; t10 += v * b5; t11 += v * b6; t12 += v * b7; t13 += v * b8; t14 += v * b9; t15 += v * b10; t16 += v * b11; t17 += v * b12; t18 += v * b13; t19 += v * b14; t20 += v * b15; v = a[6]; t6 += v * b0; t7 += v * b1; t8 += v * b2; t9 += v * b3; t10 += v * b4; t11 += v * b5; t12 += v * b6; t13 += v * b7; t14 += v * b8; t15 += v * b9; t16 += v * b10; t17 += v * b11; t18 += v * b12; t19 += v * b13; t20 += v * b14; t21 += v * b15; v = a[7]; t7 += v * b0; t8 += v * b1; t9 += v * b2; t10 += v * b3; t11 += v * b4; t12 += v * b5; t13 += v * b6; t14 += v * b7; t15 += v * b8; t16 += v * b9; t17 += v * b10; t18 += v * b11; t19 += v * b12; t20 += v * b13; t21 += v * b14; t22 += v * b15; v = a[8]; t8 += v * b0; t9 += v * b1; t10 += v * b2; t11 += v * b3; t12 += v * b4; t13 += v * b5; t14 += v * b6; t15 += v * b7; t16 += v * b8; t17 += v * b9; t18 += v * b10; t19 += v * b11; t20 += v * b12; t21 += v * b13; t22 += v * b14; t23 += v * b15; v = a[9]; t9 += v * b0; t10 += v * b1; t11 += v * b2; t12 += v * b3; t13 += v * b4; t14 += v * b5; t15 += v * b6; t16 += v * b7; t17 += v * b8; t18 += v * b9; t19 += v * b10; t20 += v * b11; t21 += v * b12; t22 += v * b13; t23 += v * b14; t24 += v * b15; v = a[10]; t10 += v * b0; t11 += v * b1; t12 += v * b2; t13 += v * b3; t14 += v * b4; t15 += v * b5; t16 += v * b6; t17 += v * b7; t18 += v * b8; t19 += v * b9; t20 += v * b10; t21 += v * b11; t22 += v * b12; t23 += v * b13; t24 += v * b14; t25 += v * b15; v = a[11]; t11 += v * b0; t12 += v * b1; t13 += v * b2; t14 += v * b3; t15 += v * b4; t16 += v * b5; t17 += v * b6; t18 += v * b7; t19 += v * b8; t20 += v * b9; t21 += v * b10; t22 += v * b11; t23 += v * b12; t24 += v * b13; t25 += v * b14; t26 += v * b15; v = a[12]; t12 += v * b0; t13 += v * b1; t14 += v * b2; t15 += v * b3; t16 += v * b4; t17 += v * b5; t18 += v * b6; t19 += v * b7; t20 += v * b8; t21 += v * b9; t22 += v * b10; t23 += v * b11; t24 += v * b12; t25 += v * b13; t26 += v * b14; t27 += v * b15; v = a[13]; t13 += v * b0; t14 += v * b1; t15 += v * b2; t16 += v * b3; t17 += v * b4; t18 += v * b5; t19 += v * b6; t20 += v * b7; t21 += v * b8; t22 += v * b9; t23 += v * b10; t24 += v * b11; t25 += v * b12; t26 += v * b13; t27 += v * b14; t28 += v * b15; v = a[14]; t14 += v * b0; t15 += v * b1; t16 += v * b2; t17 += v * b3; t18 += v * b4; t19 += v * b5; t20 += v * b6; t21 += v * b7; t22 += v * b8; t23 += v * b9; t24 += v * b10; t25 += v * b11; t26 += v * b12; t27 += v * b13; t28 += v * b14; t29 += v * b15; v = a[15]; t15 += v * b0; t16 += v * b1; t17 += v * b2; t18 += v * b3; t19 += v * b4; t20 += v * b5; t21 += v * b6; t22 += v * b7; t23 += v * b8; t24 += v * b9; t25 += v * b10; t26 += v * b11; t27 += v * b12; t28 += v * b13; t29 += v * b14; t30 += v * b15; t0 += 38 * t16; t1 += 38 * t17; t2 += 38 * t18; t3 += 38 * t19; t4 += 38 * t20; t5 += 38 * t21; t6 += 38 * t22; t7 += 38 * t23; t8 += 38 * t24; t9 += 38 * t25; t10 += 38 * t26; t11 += 38 * t27; t12 += 38 * t28; t13 += 38 * t29; t14 += 38 * t30; // t15 left as is // first car c = 1; v = t0 + c + 65535; c = Math.floor(v / 65536); t0 = v - c * 65536; v = t1 + c + 65535; c = Math.floor(v / 65536); t1 = v - c * 65536; v = t2 + c + 65535; c = Math.floor(v / 65536); t2 = v - c * 65536; v = t3 + c + 65535; c = Math.floor(v / 65536); t3 = v - c * 65536; v = t4 + c + 65535; c = Math.floor(v / 65536); t4 = v - c * 65536; v = t5 + c + 65535; c = Math.floor(v / 65536); t5 = v - c * 65536; v = t6 + c + 65535; c = Math.floor(v / 65536); t6 = v - c * 65536; v = t7 + c + 65535; c = Math.floor(v / 65536); t7 = v - c * 65536; v = t8 + c + 65535; c = Math.floor(v / 65536); t8 = v - c * 65536; v = t9 + c + 65535; c = Math.floor(v / 65536); t9 = v - c * 65536; v = t10 + c + 65535; c = Math.floor(v / 65536); t10 = v - c * 65536; v = t11 + c + 65535; c = Math.floor(v / 65536); t11 = v - c * 65536; v = t12 + c + 65535; c = Math.floor(v / 65536); t12 = v - c * 65536; v = t13 + c + 65535; c = Math.floor(v / 65536); t13 = v - c * 65536; v = t14 + c + 65535; c = Math.floor(v / 65536); t14 = v - c * 65536; v = t15 + c + 65535; c = Math.floor(v / 65536); t15 = v - c * 65536; t0 += c-1 + 37 * (c-1); // second car c = 1; v = t0 + c + 65535; c = Math.floor(v / 65536); t0 = v - c * 65536; v = t1 + c + 65535; c = Math.floor(v / 65536); t1 = v - c * 65536; v = t2 + c + 65535; c = Math.floor(v / 65536); t2 = v - c * 65536; v = t3 + c + 65535; c = Math.floor(v / 65536); t3 = v - c * 65536; v = t4 + c + 65535; c = Math.floor(v / 65536); t4 = v - c * 65536; v = t5 + c + 65535; c = Math.floor(v / 65536); t5 = v - c * 65536; v = t6 + c + 65535; c = Math.floor(v / 65536); t6 = v - c * 65536; v = t7 + c + 65535; c = Math.floor(v / 65536); t7 = v - c * 65536; v = t8 + c + 65535; c = Math.floor(v / 65536); t8 = v - c * 65536; v = t9 + c + 65535; c = Math.floor(v / 65536); t9 = v - c * 65536; v = t10 + c + 65535; c = Math.floor(v / 65536); t10 = v - c * 65536; v = t11 + c + 65535; c = Math.floor(v / 65536); t11 = v - c * 65536; v = t12 + c + 65535; c = Math.floor(v / 65536); t12 = v - c * 65536; v = t13 + c + 65535; c = Math.floor(v / 65536); t13 = v - c * 65536; v = t14 + c + 65535; c = Math.floor(v / 65536); t14 = v - c * 65536; v = t15 + c + 65535; c = Math.floor(v / 65536); t15 = v - c * 65536; t0 += c-1 + 37 * (c-1); o[ 0] = t0; o[ 1] = t1; o[ 2] = t2; o[ 3] = t3; o[ 4] = t4; o[ 5] = t5; o[ 6] = t6; o[ 7] = t7; o[ 8] = t8; o[ 9] = t9; o[10] = t10; o[11] = t11; o[12] = t12; o[13] = t13; o[14] = t14; o[15] = t15; } function S(o, a) { M(o, a, a); } function inv25519(o, i) { var c = gf(); var a; for (a = 0; a < 16; a++) c[a] = i[a]; for (a = 253; a >= 0; a--) { S(c, c); if(a !== 2 && a !== 4) M(c, c, i); } for (a = 0; a < 16; a++) o[a] = c[a]; } function pow2523(o, i) { var c = gf(); var a; for (a = 0; a < 16; a++) c[a] = i[a]; for (a = 250; a >= 0; a--) { S(c, c); if(a !== 1) M(c, c, i); } for (a = 0; a < 16; a++) o[a] = c[a]; } function crypto_scalarmult(q, n, p) { var z = new Uint8Array(32); var x = new Float64Array(80), r, i; var a = gf(), b = gf(), c = gf(), d = gf(), e = gf(), f = gf(); for (i = 0; i < 31; i++) z[i] = n[i]; z[31]=(n[31]&127)|64; z[0]&=248; unpack25519(x,p); for (i = 0; i < 16; i++) { b[i]=x[i]; d[i]=a[i]=c[i]=0; } a[0]=d[0]=1; for (i=254; i>=0; --i) { r=(z[i>>>3]>>>(i&7))&1; sel25519(a,b,r); sel25519(c,d,r); A(e,a,c); Z(a,a,c); A(c,b,d); Z(b,b,d); S(d,e); S(f,a); M(a,c,a); M(c,b,e); A(e,a,c); Z(a,a,c); S(b,a); Z(c,d,f); M(a,c,_121665); A(a,a,d); M(c,c,a); M(a,d,f); M(d,b,x); S(b,e); sel25519(a,b,r); sel25519(c,d,r); } for (i = 0; i < 16; i++) { x[i+16]=a[i]; x[i+32]=c[i]; x[i+48]=b[i]; x[i+64]=d[i]; } var x32 = x.subarray(32); var x16 = x.subarray(16); inv25519(x32,x32); M(x16,x16,x32); pack25519(q,x16); return 0; } function crypto_scalarmult_base(q, n) { return crypto_scalarmult(q, n, _9); } function crypto_box_keypair(y, x) { randombytes(x, 32); return crypto_scalarmult_base(y, x); } function crypto_box_beforenm(k, y, x) { var s = new Uint8Array(32); crypto_scalarmult(s, x, y); return crypto_core_hsalsa20(k, _0, s, sigma); } var crypto_box_afternm = crypto_secretbox; var crypto_box_open_afternm = crypto_secretbox_open; function crypto_box(c, m, d, n, y, x) { var k = new Uint8Array(32); crypto_box_beforenm(k, y, x); return crypto_box_afternm(c, m, d, n, k); } function crypto_box_open(m, c, d, n, y, x) { var k = new Uint8Array(32); crypto_box_beforenm(k, y, x); return crypto_box_open_afternm(m, c, d, n, k); } var K = [ 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 ]; function crypto_hashblocks_hl(hh, hl, m, n) { var wh = new Int32Array(16), wl = new Int32Array(16), bh0, bh1, bh2, bh3, bh4, bh5, bh6, bh7, bl0, bl1, bl2, bl3, bl4, bl5, bl6, bl7, th, tl, i, j, h, l, a, b, c, d; var ah0 = hh[0], ah1 = hh[1], ah2 = hh[2], ah3 = hh[3], ah4 = hh[4], ah5 = hh[5], ah6 = hh[6], ah7 = hh[7], al0 = hl[0], al1 = hl[1], al2 = hl[2], al3 = hl[3], al4 = hl[4], al5 = hl[5], al6 = hl[6], al7 = hl[7]; var pos = 0; while (n >= 128) { for (i = 0; i < 16; i++) { j = 8 * i + pos; wh[i] = (m[j+0] << 24) | (m[j+1] << 16) | (m[j+2] << 8) | m[j+3]; wl[i] = (m[j+4] << 24) | (m[j+5] << 16) | (m[j+6] << 8) | m[j+7]; } for (i = 0; i < 80; i++) { bh0 = ah0; bh1 = ah1; bh2 = ah2; bh3 = ah3; bh4 = ah4; bh5 = ah5; bh6 = ah6; bh7 = ah7; bl0 = al0; bl1 = al1; bl2 = al2; bl3 = al3; bl4 = al4; bl5 = al5; bl6 = al6; bl7 = al7; // add h = ah7; l = al7; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; // Sigma1 h = ((ah4 >>> 14) | (al4 << (32-14))) ^ ((ah4 >>> 18) | (al4 << (32-18))) ^ ((al4 >>> (41-32)) | (ah4 << (32-(41-32)))); l = ((al4 >>> 14) | (ah4 << (32-14))) ^ ((al4 >>> 18) | (ah4 << (32-18))) ^ ((ah4 >>> (41-32)) | (al4 << (32-(41-32)))); a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; // Ch h = (ah4 & ah5) ^ (~ah4 & ah6); l = (al4 & al5) ^ (~al4 & al6); a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; // K h = K[i*2]; l = K[i*2+1]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; // w h = wh[i%16]; l = wl[i%16]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; th = c & 0xffff | d << 16; tl = a & 0xffff | b << 16; // add h = th; l = tl; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; // Sigma0 h = ((ah0 >>> 28) | (al0 << (32-28))) ^ ((al0 >>> (34-32)) | (ah0 << (32-(34-32)))) ^ ((al0 >>> (39-32)) | (ah0 << (32-(39-32)))); l = ((al0 >>> 28) | (ah0 << (32-28))) ^ ((ah0 >>> (34-32)) | (al0 << (32-(34-32)))) ^ ((ah0 >>> (39-32)) | (al0 << (32-(39-32)))); a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; // Maj h = (ah0 & ah1) ^ (ah0 & ah2) ^ (ah1 & ah2); l = (al0 & al1) ^ (al0 & al2) ^ (al1 & al2); a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; bh7 = (c & 0xffff) | (d << 16); bl7 = (a & 0xffff) | (b << 16); // add h = bh3; l = bl3; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = th; l = tl; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; bh3 = (c & 0xffff) | (d << 16); bl3 = (a & 0xffff) | (b << 16); ah1 = bh0; ah2 = bh1; ah3 = bh2; ah4 = bh3; ah5 = bh4; ah6 = bh5; ah7 = bh6; ah0 = bh7; al1 = bl0; al2 = bl1; al3 = bl2; al4 = bl3; al5 = bl4; al6 = bl5; al7 = bl6; al0 = bl7; if (i%16 === 15) { for (j = 0; j < 16; j++) { // add h = wh[j]; l = wl[j]; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = wh[(j+9)%16]; l = wl[(j+9)%16]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; // sigma0 th = wh[(j+1)%16]; tl = wl[(j+1)%16]; h = ((th >>> 1) | (tl << (32-1))) ^ ((th >>> 8) | (tl << (32-8))) ^ (th >>> 7); l = ((tl >>> 1) | (th << (32-1))) ^ ((tl >>> 8) | (th << (32-8))) ^ ((tl >>> 7) | (th << (32-7))); a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; // sigma1 th = wh[(j+14)%16]; tl = wl[(j+14)%16]; h = ((th >>> 19) | (tl << (32-19))) ^ ((tl >>> (61-32)) | (th << (32-(61-32)))) ^ (th >>> 6); l = ((tl >>> 19) | (th << (32-19))) ^ ((th >>> (61-32)) | (tl << (32-(61-32)))) ^ ((tl >>> 6) | (th << (32-6))); a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; wh[j] = (c & 0xffff) | (d << 16); wl[j] = (a & 0xffff) | (b << 16); } } } // add h = ah0; l = al0; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[0]; l = hl[0]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[0] = ah0 = (c & 0xffff) | (d << 16); hl[0] = al0 = (a & 0xffff) | (b << 16); h = ah1; l = al1; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[1]; l = hl[1]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[1] = ah1 = (c & 0xffff) | (d << 16); hl[1] = al1 = (a & 0xffff) | (b << 16); h = ah2; l = al2; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[2]; l = hl[2]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[2] = ah2 = (c & 0xffff) | (d << 16); hl[2] = al2 = (a & 0xffff) | (b << 16); h = ah3; l = al3; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[3]; l = hl[3]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[3] = ah3 = (c & 0xffff) | (d << 16); hl[3] = al3 = (a & 0xffff) | (b << 16); h = ah4; l = al4; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[4]; l = hl[4]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[4] = ah4 = (c & 0xffff) | (d << 16); hl[4] = al4 = (a & 0xffff) | (b << 16); h = ah5; l = al5; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[5]; l = hl[5]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[5] = ah5 = (c & 0xffff) | (d << 16); hl[5] = al5 = (a & 0xffff) | (b << 16); h = ah6; l = al6; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[6]; l = hl[6]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[6] = ah6 = (c & 0xffff) | (d << 16); hl[6] = al6 = (a & 0xffff) | (b << 16); h = ah7; l = al7; a = l & 0xffff; b = l >>> 16; c = h & 0xffff; d = h >>> 16; h = hh[7]; l = hl[7]; a += l & 0xffff; b += l >>> 16; c += h & 0xffff; d += h >>> 16; b += a >>> 16; c += b >>> 16; d += c >>> 16; hh[7] = ah7 = (c & 0xffff) | (d << 16); hl[7] = al7 = (a & 0xffff) | (b << 16); pos += 128; n -= 128; } return n; } function crypto_hash(out, m, n) { var hh = new Int32Array(8), hl = new Int32Array(8), x = new Uint8Array(256), i, b = n; hh[0] = 0x6a09e667; hh[1] = 0xbb67ae85; hh[2] = 0x3c6ef372; hh[3] = 0xa54ff53a; hh[4] = 0x510e527f; hh[5] = 0x9b05688c; hh[6] = 0x1f83d9ab; hh[7] = 0x5be0cd19; hl[0] = 0xf3bcc908; hl[1] = 0x84caa73b; hl[2] = 0xfe94f82b; hl[3] = 0x5f1d36f1; hl[4] = 0xade682d1; hl[5] = 0x2b3e6c1f; hl[6] = 0xfb41bd6b; hl[7] = 0x137e2179; crypto_hashblocks_hl(hh, hl, m, n); n %= 128; for (i = 0; i < n; i++) x[i] = m[b-n+i]; x[n] = 128; n = 256-128*(n<112?1:0); x[n-9] = 0; ts64(x, n-8, (b / 0x20000000) | 0, b << 3); crypto_hashblocks_hl(hh, hl, x, n); for (i = 0; i < 8; i++) ts64(out, 8*i, hh[i], hl[i]); return 0; } function add(p, q) { var a = gf(), b = gf(), c = gf(), d = gf(), e = gf(), f = gf(), g = gf(), h = gf(), t = gf(); Z(a, p[1], p[0]); Z(t, q[1], q[0]); M(a, a, t); A(b, p[0], p[1]); A(t, q[0], q[1]); M(b, b, t); M(c, p[3], q[3]); M(c, c, D2); M(d, p[2], q[2]); A(d, d, d); Z(e, b, a); Z(f, d, c); A(g, d, c); A(h, b, a); M(p[0], e, f); M(p[1], h, g); M(p[2], g, f); M(p[3], e, h); } function cswap(p, q, b) { var i; for (i = 0; i < 4; i++) { sel25519(p[i], q[i], b); } } function pack(r, p) { var tx = gf(), ty = gf(), zi = gf(); inv25519(zi, p[2]); M(tx, p[0], zi); M(ty, p[1], zi); pack25519(r, ty); r[31] ^= par25519(tx) << 7; } function scalarmult(p, q, s) { var b, i; set25519(p[0], gf0); set25519(p[1], gf1); set25519(p[2], gf1); set25519(p[3], gf0); for (i = 255; i >= 0; --i) { b = (s[(i/8)|0] >> (i&7)) & 1; cswap(p, q, b); add(q, p); add(p, p); cswap(p, q, b); } } function scalarbase(p, s) { var q = [gf(), gf(), gf(), gf()]; set25519(q[0], X); set25519(q[1], Y); set25519(q[2], gf1); M(q[3], X, Y); scalarmult(p, q, s); } function crypto_sign_keypair(pk, sk, seeded) { var d = new Uint8Array(64); var p = [gf(), gf(), gf(), gf()]; var i; if (!seeded) randombytes(sk, 32); crypto_hash(d, sk, 32); d[0] &= 248; d[31] &= 127; d[31] |= 64; scalarbase(p, d); pack(pk, p); for (i = 0; i < 32; i++) sk[i+32] = pk[i]; return 0; } var L = new Float64Array([0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10]); function modL(r, x) { var carry, i, j, k; for (i = 63; i >= 32; --i) { carry = 0; for (j = i - 32, k = i - 12; j < k; ++j) { x[j] += carry - 16 * x[i] * L[j - (i - 32)]; carry = (x[j] + 128) >> 8; x[j] -= carry * 256; } x[j] += carry; x[i] = 0; } carry = 0; for (j = 0; j < 32; j++) { x[j] += carry - (x[31] >> 4) * L[j]; carry = x[j] >> 8; x[j] &= 255; } for (j = 0; j < 32; j++) x[j] -= carry * L[j]; for (i = 0; i < 32; i++) { x[i+1] += x[i] >> 8; r[i] = x[i] & 255; } } function reduce(r) { var x = new Float64Array(64), i; for (i = 0; i < 64; i++) x[i] = r[i]; for (i = 0; i < 64; i++) r[i] = 0; modL(r, x); } // Note: difference from C - smlen returned, not passed as argument. function crypto_sign(sm, m, n, sk) { var d = new Uint8Array(64), h = new Uint8Array(64), r = new Uint8Array(64); var i, j, x = new Float64Array(64); var p = [gf(), gf(), gf(), gf()]; crypto_hash(d, sk, 32); d[0] &= 248; d[31] &= 127; d[31] |= 64; var smlen = n + 64; for (i = 0; i < n; i++) sm[64 + i] = m[i]; for (i = 0; i < 32; i++) sm[32 + i] = d[32 + i]; crypto_hash(r, sm.subarray(32), n+32); reduce(r); scalarbase(p, r); pack(sm, p); for (i = 32; i < 64; i++) sm[i] = sk[i]; crypto_hash(h, sm, n + 64); reduce(h); for (i = 0; i < 64; i++) x[i] = 0; for (i = 0; i < 32; i++) x[i] = r[i]; for (i = 0; i < 32; i++) { for (j = 0; j < 32; j++) { x[i+j] += h[i] * d[j]; } } modL(sm.subarray(32), x); return smlen; } function unpackneg(r, p) { var t = gf(), chk = gf(), num = gf(), den = gf(), den2 = gf(), den4 = gf(), den6 = gf(); set25519(r[2], gf1); unpack25519(r[1], p); S(num, r[1]); M(den, num, D); Z(num, num, r[2]); A(den, r[2], den); S(den2, den); S(den4, den2); M(den6, den4, den2); M(t, den6, num); M(t, t, den); pow2523(t, t); M(t, t, num); M(t, t, den); M(t, t, den); M(r[0], t, den); S(chk, r[0]); M(chk, chk, den); if (neq25519(chk, num)) M(r[0], r[0], I); S(chk, r[0]); M(chk, chk, den); if (neq25519(chk, num)) return -1; if (par25519(r[0]) === (p[31]>>7)) Z(r[0], gf0, r[0]); M(r[3], r[0], r[1]); return 0; } function crypto_sign_open(m, sm, n, pk) { var i, mlen; var t = new Uint8Array(32), h = new Uint8Array(64); var p = [gf(), gf(), gf(), gf()], q = [gf(), gf(), gf(), gf()]; mlen = -1; if (n < 64) return -1; if (unpackneg(q, pk)) return -1; for (i = 0; i < n; i++) m[i] = sm[i]; for (i = 0; i < 32; i++) m[i+32] = pk[i]; crypto_hash(h, m, n); reduce(h); scalarmult(p, q, h); scalarbase(q, sm.subarray(32)); add(p, q); pack(t, p); n -= 64; if (crypto_verify_32(sm, 0, t, 0)) { for (i = 0; i < n; i++) m[i] = 0; return -1; } for (i = 0; i < n; i++) m[i] = sm[i + 64]; mlen = n; return mlen; } var crypto_secretbox_KEYBYTES = 32, crypto_secretbox_NONCEBYTES = 24, crypto_secretbox_ZEROBYTES = 32, crypto_secretbox_BOXZEROBYTES = 16, crypto_scalarmult_BYTES = 32, crypto_scalarmult_SCALARBYTES = 32, crypto_box_PUBLICKEYBYTES = 32, crypto_box_SECRETKEYBYTES = 32, crypto_box_BEFORENMBYTES = 32, crypto_box_NONCEBYTES = crypto_secretbox_NONCEBYTES, crypto_box_ZEROBYTES = crypto_secretbox_ZEROBYTES, crypto_box_BOXZEROBYTES = crypto_secretbox_BOXZEROBYTES, crypto_sign_BYTES = 64, crypto_sign_PUBLICKEYBYTES = 32, crypto_sign_SECRETKEYBYTES = 64, crypto_sign_SEEDBYTES = 32, crypto_hash_BYTES = 64; nacl.lowlevel = { crypto_core_hsalsa20: crypto_core_hsalsa20, crypto_stream_xor: crypto_stream_xor, crypto_stream: crypto_stream, crypto_stream_salsa20_xor: crypto_stream_salsa20_xor, crypto_stream_salsa20: crypto_stream_salsa20, crypto_onetimeauth: crypto_onetimeauth, crypto_onetimeauth_verify: crypto_onetimeauth_verify, crypto_verify_16: crypto_verify_16, crypto_verify_32: crypto_verify_32, crypto_secretbox: crypto_secretbox, crypto_secretbox_open: crypto_secretbox_open, crypto_scalarmult: crypto_scalarmult, crypto_scalarmult_base: crypto_scalarmult_base, crypto_box_beforenm: crypto_box_beforenm, crypto_box_afternm: crypto_box_afternm, crypto_box: crypto_box, crypto_box_open: crypto_box_open, crypto_box_keypair: crypto_box_keypair, crypto_hash: crypto_hash, crypto_sign: crypto_sign, crypto_sign_keypair: crypto_sign_keypair, crypto_sign_open: crypto_sign_open, crypto_secretbox_KEYBYTES: crypto_secretbox_KEYBYTES, crypto_secretbox_NONCEBYTES: crypto_secretbox_NONCEBYTES, crypto_secretbox_ZEROBYTES: crypto_secretbox_ZEROBYTES, crypto_secretbox_BOXZEROBYTES: crypto_secretbox_BOXZEROBYTES, crypto_scalarmult_BYTES: crypto_scalarmult_BYTES, crypto_scalarmult_SCALARBYTES: crypto_scalarmult_SCALARBYTES, crypto_box_PUBLICKEYBYTES: crypto_box_PUBLICKEYBYTES, crypto_box_SECRETKEYBYTES: crypto_box_SECRETKEYBYTES, crypto_box_BEFORENMBYTES: crypto_box_BEFORENMBYTES, crypto_box_NONCEBYTES: crypto_box_NONCEBYTES, crypto_box_ZEROBYTES: crypto_box_ZEROBYTES, crypto_box_BOXZEROBYTES: crypto_box_BOXZEROBYTES, crypto_sign_BYTES: crypto_sign_BYTES, crypto_sign_PUBLICKEYBYTES: crypto_sign_PUBLICKEYBYTES, crypto_sign_SECRETKEYBYTES: crypto_sign_SECRETKEYBYTES, crypto_sign_SEEDBYTES: crypto_sign_SEEDBYTES, crypto_hash_BYTES: crypto_hash_BYTES }; /* High-level API */ function checkLengths(k, n) { if (k.length !== crypto_secretbox_KEYBYTES) throw new Error('bad key size'); if (n.length !== crypto_secretbox_NONCEBYTES) throw new Error('bad nonce size'); } function checkBoxLengths(pk, sk) { if (pk.length !== crypto_box_PUBLICKEYBYTES) throw new Error('bad public key size'); if (sk.length !== crypto_box_SECRETKEYBYTES) throw new Error('bad secret key size'); } function checkArrayTypes() { var t, i; for (i = 0; i < arguments.length; i++) { if ((t = Object.prototype.toString.call(arguments[i])) !== '[object Uint8Array]') throw new TypeError('unexpected type ' + t + ', use Uint8Array'); } } function cleanup(arr) { for (var i = 0; i < arr.length; i++) arr[i] = 0; } // TODO: Completely remove this in v0.15. if (!nacl.util) { nacl.util = {}; nacl.util.decodeUTF8 = nacl.util.encodeUTF8 = nacl.util.encodeBase64 = nacl.util.decodeBase64 = function() { throw new Error('nacl.util moved into separate package: https://github.com/dchest/tweetnacl-util-js'); }; } nacl.randomBytes = function(n) { var b = new Uint8Array(n); randombytes(b, n); return b; }; nacl.secretbox = function(msg, nonce, key) { checkArrayTypes(msg, nonce, key); checkLengths(key, nonce); var m = new Uint8Array(crypto_secretbox_ZEROBYTES + msg.length); var c = new Uint8Array(m.length); for (var i = 0; i < msg.length; i++) m[i+crypto_secretbox_ZEROBYTES] = msg[i]; crypto_secretbox(c, m, m.length, nonce, key); return c.subarray(crypto_secretbox_BOXZEROBYTES); }; nacl.secretbox.open = function(box, nonce, key) { checkArrayTypes(box, nonce, key); checkLengths(key, nonce); var c = new Uint8Array(crypto_secretbox_BOXZEROBYTES + box.length); var m = new Uint8Array(c.length); for (var i = 0; i < box.length; i++) c[i+crypto_secretbox_BOXZEROBYTES] = box[i]; if (c.length < 32) return false; if (crypto_secretbox_open(m, c, c.length, nonce, key) !== 0) return false; return m.subarray(crypto_secretbox_ZEROBYTES); }; nacl.secretbox.keyLength = crypto_secretbox_KEYBYTES; nacl.secretbox.nonceLength = crypto_secretbox_NONCEBYTES; nacl.secretbox.overheadLength = crypto_secretbox_BOXZEROBYTES; nacl.scalarMult = function(n, p) { checkArrayTypes(n, p); if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error('bad n size'); if (p.length !== crypto_scalarmult_BYTES) throw new Error('bad p size'); var q = new Uint8Array(crypto_scalarmult_BYTES); crypto_scalarmult(q, n, p); return q; }; nacl.scalarMult.base = function(n) { checkArrayTypes(n); if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error('bad n size'); var q = new Uint8Array(crypto_scalarmult_BYTES); crypto_scalarmult_base(q, n); return q; }; nacl.scalarMult.scalarLength = crypto_scalarmult_SCALARBYTES; nacl.scalarMult.groupElementLength = crypto_scalarmult_BYTES; nacl.box = function(msg, nonce, publicKey, secretKey) { var k = nacl.box.before(publicKey, secretKey); return nacl.secretbox(msg, nonce, k); }; nacl.box.before = function(publicKey, secretKey) { checkArrayTypes(publicKey, secretKey); checkBoxLengths(publicKey, secretKey); var k = new Uint8Array(crypto_box_BEFORENMBYTES); crypto_box_beforenm(k, publicKey, secretKey); return k; }; nacl.box.after = nacl.secretbox; nacl.box.open = function(msg, nonce, publicKey, secretKey) { var k = nacl.box.before(publicKey, secretKey); return nacl.secretbox.open(msg, nonce, k); }; nacl.box.open.after = nacl.secretbox.open; nacl.box.keyPair = function() { var pk = new Uint8Array(crypto_box_PUBLICKEYBYTES); var sk = new Uint8Array(crypto_box_SECRETKEYBYTES); crypto_box_keypair(pk, sk); return {publicKey: pk, secretKey: sk}; }; nacl.box.keyPair.fromSecretKey = function(secretKey) { checkArrayTypes(secretKey); if (secretKey.length !== crypto_box_SECRETKEYBYTES) throw new Error('bad secret key size'); var pk = new Uint8Array(crypto_box_PUBLICKEYBYTES); crypto_scalarmult_base(pk, secretKey); return {publicKey: pk, secretKey: new Uint8Array(secretKey)}; }; nacl.box.publicKeyLength = crypto_box_PUBLICKEYBYTES; nacl.box.secretKeyLength = crypto_box_SECRETKEYBYTES; nacl.box.sharedKeyLength = crypto_box_BEFORENMBYTES; nacl.box.nonceLength = crypto_box_NONCEBYTES; nacl.box.overheadLength = nacl.secretbox.overheadLength; nacl.sign = function(msg, secretKey) { checkArrayTypes(msg, secretKey); if (secretKey.length !== crypto_sign_SECRETKEYBYTES) throw new Error('bad secret key size'); var signedMsg = new Uint8Array(crypto_sign_BYTES+msg.length); crypto_sign(signedMsg, msg, msg.length, secretKey); return signedMsg; }; nacl.sign.open = function(signedMsg, publicKey) { if (arguments.length !== 2) throw new Error('nacl.sign.open accepts 2 arguments; did you mean to use nacl.sign.detached.verify?'); checkArrayTypes(signedMsg, publicKey); if (publicKey.length !== crypto_sign_PUBLICKEYBYTES) throw new Error('bad public key size'); var tmp = new Uint8Array(signedMsg.length); var mlen = crypto_sign_open(tmp, signedMsg, signedMsg.length, publicKey); if (mlen < 0) return null; var m = new Uint8Array(mlen); for (var i = 0; i < m.length; i++) m[i] = tmp[i]; return m; }; nacl.sign.detached = function(msg, secretKey) { var signedMsg = nacl.sign(msg, secretKey); var sig = new Uint8Array(crypto_sign_BYTES); for (var i = 0; i < sig.length; i++) sig[i] = signedMsg[i]; return sig; }; nacl.sign.detached.verify = function(msg, sig, publicKey) { checkArrayTypes(msg, sig, publicKey); if (sig.length !== crypto_sign_BYTES) throw new Error('bad signature size'); if (publicKey.length !== crypto_sign_PUBLICKEYBYTES) throw new Error('bad public key size'); var sm = new Uint8Array(crypto_sign_BYTES + msg.length); var m = new Uint8Array(crypto_sign_BYTES + msg.length); var i; for (i = 0; i < crypto_sign_BYTES; i++) sm[i] = sig[i]; for (i = 0; i < msg.length; i++) sm[i+crypto_sign_BYTES] = msg[i]; return (crypto_sign_open(m, sm, sm.length, publicKey) >= 0); }; nacl.sign.keyPair = function() { var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES); var sk = new Uint8Array(crypto_sign_SECRETKEYBYTES); crypto_sign_keypair(pk, sk); return {publicKey: pk, secretKey: sk}; }; nacl.sign.keyPair.fromSecretKey = function(secretKey) { checkArrayTypes(secretKey); if (secretKey.length !== crypto_sign_SECRETKEYBYTES) throw new Error('bad secret key size'); var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES); for (var i = 0; i < pk.length; i++) pk[i] = secretKey[32+i]; return {publicKey: pk, secretKey: new Uint8Array(secretKey)}; }; nacl.sign.keyPair.fromSeed = function(seed) { checkArrayTypes(seed); if (seed.length !== crypto_sign_SEEDBYTES) throw new Error('bad seed size'); var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES); var sk = new Uint8Array(crypto_sign_SECRETKEYBYTES); for (var i = 0; i < 32; i++) sk[i] = seed[i]; crypto_sign_keypair(pk, sk, true); return {publicKey: pk, secretKey: sk}; }; nacl.sign.publicKeyLength = crypto_sign_PUBLICKEYBYTES; nacl.sign.secretKeyLength = crypto_sign_SECRETKEYBYTES; nacl.sign.seedLength = crypto_sign_SEEDBYTES; nacl.sign.signatureLength = crypto_sign_BYTES; nacl.hash = function(msg) { checkArrayTypes(msg); var h = new Uint8Array(crypto_hash_BYTES); crypto_hash(h, msg, msg.length); return h; }; nacl.hash.hashLength = crypto_hash_BYTES; nacl.verify = function(x, y) { checkArrayTypes(x, y); // Zero length arguments are considered not equal. if (x.length === 0 || y.length === 0) return false; if (x.length !== y.length) return false; return (vn(x, 0, y, 0, x.length) === 0) ? true : false; }; nacl.setPRNG = function(fn) { randombytes = fn; }; (function() { // Initialize PRNG if environment provides CSPRNG. // If not, methods calling randombytes will throw. var crypto = typeof self !== 'undefined' ? (self.crypto || self.msCrypto) : null; if (crypto && crypto.getRandomValues) { // Browsers. var QUOTA = 65536; nacl.setPRNG(function(x, n) { var i, v = new Uint8Array(n); for (i = 0; i < n; i += QUOTA) { crypto.getRandomValues(v.subarray(i, i + Math.min(n - i, QUOTA))); } for (i = 0; i < n; i++) x[i] = v[i]; cleanup(v); }); } else if (typeof require !== 'undefined') { // Node.js. crypto = require('crypto'); if (crypto && crypto.randomBytes) { nacl.setPRNG(function(x, n) { var i, v = crypto.randomBytes(n); for (i = 0; i < n; i++) x[i] = v[i]; cleanup(v); }); } } })(); })(typeof module !== 'undefined' && module.exports ? module.exports : (self.nacl = self.nacl || {}));