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bitcore-lib-zcash
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Merge pull request #416 from ryanxcharles/bug/sjcl-failed-test 

Solved: test vector that passes in node, but fails in browser/sjcl
This commit is contained in:
Matias Alejo Garcia 2014-07-09 22:42:32 -03:00
parent c93419a750 65ab3a663a
commit 3f0dd8d7ff
2 changed files with 64 additions and 28 deletions
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36
lib/browser/ECIES.js
View File

@ -9,18 +9,10 @@ ECIES.symmetricEncrypt = function(key, iv, message) {
var smessage = sjcl.codec.hex.toBits(message.toString('hex'));
sjcl.beware["CBC mode is dangerous because it doesn't protect message integrity."]();
var params = {
iv: siv,
ks: 256,
ts: 128,
iter: 1000,
mode: 'cbc'
};
var encrypted = sjcl.encrypt(skey, smessage, params);
var enchex = sjcl.codec.hex.fromBits(sjcl.codec.base64.toBits(JSON.parse(encrypted).ct));
var encbuf = new Buffer(enchex, 'hex');
var cipher = new sjcl.cipher.aes(skey);
var encrypted = sjcl.mode.cbc.encrypt(cipher, smessage, siv);
var encbuf = new Buffer(sjcl.codec.hex.fromBits(encrypted), 'hex');
var r = Buffer.concat([iv, encbuf]);
return r;
@ -31,25 +23,13 @@ ECIES.symmetricDecrypt = function(key, encrypted) {
var iv = encrypted.slice(0, 16);
var todecrypt = encrypted.slice(16, encrypted.length);
var siv = sjcl.codec.base64.fromBits(sjcl.codec.hex.toBits(iv.toString('hex')));
var sct = sjcl.codec.base64.fromBits(sjcl.codec.hex.toBits(todecrypt.toString('hex')));
sjcl.beware["CBC mode is dangerous because it doesn't protect message integrity."]();
var obj = {
iv: siv,
v: 1,
iter: 1000,
ks: 256,
ts: 128,
mode: 'cbc',
adata: '',
cipher: 'aes',
ct: sct
};
var str = JSON.stringify(obj);
var decrypted = sjcl.decrypt(skey, str);
var decbuf = new Buffer(decrypted);
var encbits = sjcl.codec.hex.toBits(todecrypt.toString('hex'));
var ivbits = sjcl.codec.hex.toBits(iv.toString('hex'));
var cipher = new sjcl.cipher.aes(skey);
var decrypted = sjcl.mode.cbc.decrypt(cipher, encbits, ivbits);
var decbuf = new Buffer(sjcl.codec.hex.fromBits(decrypted), 'hex');
return decbuf;
};

56
test/test.ECIES.js
View File

@ -75,6 +75,62 @@ describe('ECIES', function() {
decrypted.toString().should.equal('this is my message');
});
it('should encrypt and decrypt 0x80 correctly, the first bad byte', function() {
var privhex = 'e0224327f5e4a9daea6c7b996cb013775f90821d15d7d0d25db517c7cd0c1a8e';
var key = new bitcore.Key();
key.private = new Buffer(privhex, 'hex');
key.regenerateSync();
var data = new Buffer([0x80]);
var encrypted = bitcore.ECIES.encrypt(key.public, data);
var decrypted = bitcore.ECIES.decrypt(key.private, encrypted);
decrypted.toString('hex').should.equal('80');
decrypted.toString('hex').should.not.equal('c280');
});
it('should encrypt and decrypt this known problematic encrypted message', function() {
var privhex = 'e0224327f5e4a9daea6c7b996cb013775f90821d15d7d0d25db517c7cd0c1a8e';
var key = new bitcore.Key();
key.private = new Buffer(privhex, 'hex');
key.regenerateSync();
var data = new Buffer('010053bdae9b000000017b2274797065223a2268656c6c6f222c22636f70617965724964223a22303237323735366234366561386564313763376166613934303861306161333535616266326432623263353134373637343766353135326332623535653163656230227d', 'hex');
var data = new Buffer('53bdae00', 'hex');
var encrypted = bitcore.ECIES.encrypt(key.public, data);
var decrypted = bitcore.ECIES.decrypt(key.private, encrypted);
decrypted.toString('hex').should.not.equal('53c2bdc2ae00');
decrypted.toString('hex').should.equal('53bdae00');
});
it('should encrypt and decrypt this known problematic encrypted message', function() {
var privhex = 'e0224327f5e4a9daea6c7b996cb013775f90821d15d7d0d25db517c7cd0c1a8e';
var key = new bitcore.Key();
key.private = new Buffer(privhex, 'hex');
key.regenerateSync();
var data = new Buffer('010053bdae9b000000017b2274797065223a2268656c6c6f222c22636f70617965724964223a22303237323735366234366561386564313763376166613934303861306161333535616266326432623263353134373637343766353135326332623535653163656230227d', 'hex');
var encrypted = bitcore.ECIES.encrypt(key.public, data);
var decrypted = bitcore.ECIES.decrypt(key.private, encrypted);
decrypted.toString('hex').should.equal('010053bdae9b000000017b2274797065223a2268656c6c6f222c22636f70617965724964223a22303237323735366234366561386564313763376166613934303861306161333535616266326432623263353134373637343766353135326332623535653163656230227d');
});
it('should decrypt this known problematic encrypted message', function() {
var privhex = 'e0224327f5e4a9daea6c7b996cb013775f90821d15d7d0d25db517c7cd0c1a8e';
var key = new bitcore.Key();
key.private = new Buffer(privhex, 'hex');
key.regenerateSync();
var encryptedhex = '02f773c550bf228327f773b1dc63802055ba7333ee4ea86323e1a77365f14fede041dbe628dc636c5eebb572578e79184a96eee82db57b456328ca080a9e8b0b856474119f65b942b088ce09dcfb8536632d57343d533e9b55c8f17cc52466a6dfada1848923782e99e8f2210cfd6a04510ea0a482f38e43a88b018b6e9cc27511df873f7aea04fd342a42f651481f42f91a7a672ef9d56080d072417ca6cb1a2771b6838f08ab49470d84fa67f85886382b503ab86fefd02195e49c0f8516884a3adc62bf176c5ff1665bafe1c9af59f6857531e86c2a650bebdbc60970f6b1ce';
var encrypted = new Buffer(encryptedhex, 'hex');
var decrypted = bitcore.ECIES.decrypt(key.private, encrypted);
decrypted.slice(10).toString().should.equal('{"type":"hello","copayerId":"024c0ec590ba86bbaf7beb9823c6610d02eacb9c3345bc678c09cc266590681af0"}');
});
it('should not fail for long messages', function() {
var key = new bitcore.Key();
key.private = bitcore.util.sha256('test');