Fully end to end encrypted anonymous chat program. Server only stores public key lookup for users and the encrypted messages. No credentials are transfered to the server, but kept in local browser storage. This allows 100% safe chatting.
https://safechat.ch
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68 lines
3.0 KiB
68 lines
3.0 KiB
8 years ago
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'use strict';
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var openpgp = typeof window != 'undefined' && window.openpgp ? window.openpgp : require('../../../dist/openpgp');
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var util = openpgp.util,
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chai = require('chai'),
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expect = chai.expect;
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it('Twofish with test vectors from http://www.schneier.com/code/ecb_ival.txt', function(done) {
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function TFencrypt(block, key) {
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var tf = new openpgp.crypto.cipher.twofish(util.str2Uint8Array(key));
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return tf.encrypt(block);
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}
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var start = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
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var start_short = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
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var testvectors = [[0x57,0xFF,0x73,0x9D,0x4D,0xC9,0x2C,0x1B,0xD7,0xFC,0x01,0x70,0x0C,0xC8,0x21,0x6F],
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[0xD4,0x3B,0xB7,0x55,0x6E,0xA3,0x2E,0x46,0xF2,0xA2,0x82,0xB7,0xD4,0x5B,0x4E,0x0D],
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[0x90,0xAF,0xE9,0x1B,0xB2,0x88,0x54,0x4F,0x2C,0x32,0xDC,0x23,0x9B,0x26,0x35,0xE6],
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[0x6C,0xB4,0x56,0x1C,0x40,0xBF,0x0A,0x97,0x05,0x93,0x1C,0xB6,0xD4,0x08,0xE7,0xFA],
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[0x30,0x59,0xD6,0xD6,0x17,0x53,0xB9,0x58,0xD9,0x2F,0x47,0x81,0xC8,0x64,0x0E,0x58],
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[0xE6,0x94,0x65,0x77,0x05,0x05,0xD7,0xF8,0x0E,0xF6,0x8C,0xA3,0x8A,0xB3,0xA3,0xD6],
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[0x5A,0xB6,0x7A,0x5F,0x85,0x39,0xA4,0xA5,0xFD,0x9F,0x03,0x73,0xBA,0x46,0x34,0x66],
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[0xDC,0x09,0x6B,0xCD,0x99,0xFC,0x72,0xF7,0x99,0x36,0xD4,0xC7,0x48,0xE7,0x5A,0xF7],
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[0xC5,0xA3,0xE7,0xCE,0xE0,0xF1,0xB7,0x26,0x05,0x28,0xA6,0x8F,0xB4,0xEA,0x05,0xF2],
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[0x43,0xD5,0xCE,0xC3,0x27,0xB2,0x4A,0xB9,0x0A,0xD3,0x4A,0x79,0xD0,0x46,0x91,0x51]];
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testvectors[47] = [0x43,0x10,0x58,0xF4,0xDB,0xC7,0xF7,0x34,0xDA,0x4F,0x02,0xF0,0x4C,0xC4,0xF4,0x59];
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testvectors[48] = [0x37,0xFE,0x26,0xFF,0x1C,0xF6,0x61,0x75,0xF5,0xDD,0xF4,0xC3,0x3B,0x97,0xA2,0x05];
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for (var i = 0; i < 49; i++) {
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var res, exp, blk, key, ct;
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if (i === 0) {
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blk = start_short;
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key = util.bin2str(start);
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ct = testvectors[0];
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res = util.bin2str(TFencrypt(blk,key));
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exp = util.bin2str(ct);
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} else if (i === 1) {
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blk = testvectors[0];
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key = util.bin2str(start);
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ct = testvectors[1];
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res = util.bin2str(TFencrypt(blk,key));
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exp = util.bin2str(ct);
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} else if (i === 2) {
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blk = testvectors[i-1];
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key = util.bin2str(testvectors[i-2].concat(start_short));
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ct = testvectors[i];
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res = util.bin2str(TFencrypt(blk,key));
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exp = util.bin2str(ct);
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} else if (i < 10 || i > 46) {
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blk = testvectors[i-1];
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key = util.bin2str(testvectors[i-2].concat(testvectors[i-3]));
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ct = testvectors[i];
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res = util.bin2str(TFencrypt(blk,key));
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exp = util.bin2str(ct);
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} else {
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testvectors[i] = TFencrypt(testvectors[i-1],util.bin2str(testvectors[i-2].concat(testvectors[i-3])));
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continue;
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}
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expect(res, 'vector with block ' + util.hexidump(blk) +
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' with key ' + util.hexstrdump(key) +
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' should be ' + util.hexidump(ct) +
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' but is ' + util.hexidump(TFencrypt(blk,key))).to.equal(exp);
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}
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done();
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});
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