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Update libsignal-protocol v1.1.5

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// FREEBIE
This commit is contained in:
lilia 2016-08-24 01:50:20 -07:00
parent 892831a9c5
commit 254b6621c2
2 changed files with 152 additions and 0 deletions
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76
js/libtextsecure.js
View file

@ -35369,6 +35369,10 @@ var Internal = Internal || {};
}); });
}, },
hash: function(data) {
return crypto.subtle.digest({name: 'SHA-512'}, data);
},
HKDF: function(input, salt, info) { HKDF: function(input, salt, info) {
// Specific implementation of RFC 5869 that only returns the first 3 32-byte chunks // Specific implementation of RFC 5869 that only returns the first 3 32-byte chunks
// TODO: We dont always need the third chunk, we might skip it // TODO: We dont always need the third chunk, we might skip it
@ -36555,6 +36559,78 @@ Internal.SessionLock.queueJobForNumber = function queueJobForNumber(number, runJ
})(); })();
(function() {
var VERSION = 0;
function iterateHash(data, key, count) {
data = dcodeIO.ByteBuffer.concat([data, key]).toArrayBuffer();
return Internal.crypto.hash(data).then(function(result) {
if (--count === 0) {
return result;
} else {
return iterateHash(result, key, count);
}
});
}
function shortToArrayBuffer(number) {
return new Uint16Array([number]).buffer;
}
function getEncodedChunk(hash, offset) {
var chunk = ( hash[offset] * Math.pow(2,32) +
hash[offset+1] * Math.pow(2,24) +
hash[offset+2] * Math.pow(2,16) +
hash[offset+3] * Math.pow(2,8) +
hash[offset+4] ) % 100000;
var s = chunk.toString();
while (s.length < 5) {
s = '0' + s;
}
return s;
}
function getDisplayStringFor(identifier, key, iterations) {
var bytes = dcodeIO.ByteBuffer.concat([
shortToArrayBuffer(VERSION), key, identifier
]).toArrayBuffer();
return iterateHash(bytes, key, iterations).then(function(output) {
output = new Uint8Array(output);
return getEncodedChunk(output, 0) +
getEncodedChunk(output, 5) +
getEncodedChunk(output, 10) +
getEncodedChunk(output, 15) +
getEncodedChunk(output, 20) +
getEncodedChunk(output, 25);
});
}
libsignal.FingerprintGenerator = function(iterations) {
this.iterations = iterations;
};
libsignal.FingerprintGenerator.prototype = {
createFor: function(localIdentifier, localIdentityKey,
remoteIdentifier, remoteIdentityKey) {
if (typeof localIdentifier !== 'string' ||
typeof remoteIdentifier !== 'string' ||
!(localIdentityKey instanceof ArrayBuffer) ||
!(remoteIdentityKey instanceof ArrayBuffer)) {
throw new Error('Invalid arguments');
}
return Promise.all([
getDisplayStringFor(localIdentifier, localIdentityKey, this.iterations),
getDisplayStringFor(remoteIdentifier, remoteIdentityKey, this.iterations)
]).then(function(fingerprints) {
return fingerprints.sort().join('');
});
}
};
})();
})(); })();
/* /*
* vim: ts=4:sw=4:expandtab * vim: ts=4:sw=4:expandtab

76
libtextsecure/libsignal-protocol.js
View file

@ -35245,6 +35245,10 @@ var Internal = Internal || {};
}); });
}, },
hash: function(data) {
return crypto.subtle.digest({name: 'SHA-512'}, data);
},
HKDF: function(input, salt, info) { HKDF: function(input, salt, info) {
// Specific implementation of RFC 5869 that only returns the first 3 32-byte chunks // Specific implementation of RFC 5869 that only returns the first 3 32-byte chunks
// TODO: We dont always need the third chunk, we might skip it // TODO: We dont always need the third chunk, we might skip it
@ -36431,4 +36435,76 @@ Internal.SessionLock.queueJobForNumber = function queueJobForNumber(number, runJ
})(); })();
(function() {
var VERSION = 0;
function iterateHash(data, key, count) {
data = dcodeIO.ByteBuffer.concat([data, key]).toArrayBuffer();
return Internal.crypto.hash(data).then(function(result) {
if (--count === 0) {
return result;
} else {
return iterateHash(result, key, count);
}
});
}
function shortToArrayBuffer(number) {
return new Uint16Array([number]).buffer;
}
function getEncodedChunk(hash, offset) {
var chunk = ( hash[offset] * Math.pow(2,32) +
hash[offset+1] * Math.pow(2,24) +
hash[offset+2] * Math.pow(2,16) +
hash[offset+3] * Math.pow(2,8) +
hash[offset+4] ) % 100000;
var s = chunk.toString();
while (s.length < 5) {
s = '0' + s;
}
return s;
}
function getDisplayStringFor(identifier, key, iterations) {
var bytes = dcodeIO.ByteBuffer.concat([
shortToArrayBuffer(VERSION), key, identifier
]).toArrayBuffer();
return iterateHash(bytes, key, iterations).then(function(output) {
output = new Uint8Array(output);
return getEncodedChunk(output, 0) +
getEncodedChunk(output, 5) +
getEncodedChunk(output, 10) +
getEncodedChunk(output, 15) +
getEncodedChunk(output, 20) +
getEncodedChunk(output, 25);
});
}
libsignal.FingerprintGenerator = function(iterations) {
this.iterations = iterations;
};
libsignal.FingerprintGenerator.prototype = {
createFor: function(localIdentifier, localIdentityKey,
remoteIdentifier, remoteIdentityKey) {
if (typeof localIdentifier !== 'string' ||
typeof remoteIdentifier !== 'string' ||
!(localIdentityKey instanceof ArrayBuffer) ||
!(remoteIdentityKey instanceof ArrayBuffer)) {
throw new Error('Invalid arguments');
}
return Promise.all([
getDisplayStringFor(localIdentifier, localIdentityKey, this.iterations),
getDisplayStringFor(remoteIdentifier, remoteIdentityKey, this.iterations)
]).then(function(fingerprints) {
return fingerprints.sort().join('');
});
}
};
})();
})(); })();