mirror of
http://git.whoc.org.uk/git/password-manager.git
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504 lines
17 KiB
JavaScript
504 lines
17 KiB
JavaScript
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/*
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Copyright 2008-2011 Clipperz Srl
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This file is part of Clipperz's Javascript Crypto Library.
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Javascript Crypto Library provides web developers with an extensive
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and efficient set of cryptographic functions. The library aims to
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obtain maximum execution speed while preserving modularity and
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reusability.
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For further information about its features and functionalities please
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refer to http://www.clipperz.com
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* Javascript Crypto Library is free software: you can redistribute
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it and/or modify it under the terms of the GNU Affero General Public
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License as published by the Free Software Foundation, either version
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3 of the License, or (at your option) any later version.
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* Javascript Crypto Library is distributed in the hope that it will
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be useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Affero General Public License for more details.
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* You should have received a copy of the GNU Affero General Public
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License along with Javascript Crypto Library. If not, see
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<http://www.gnu.org/licenses/>.
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*/
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if (typeof(Clipperz) == 'undefined') { Clipperz = {}; }
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if (typeof(Clipperz.PM) == 'undefined') { Clipperz.PM = {}; }
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if (typeof(Clipperz.PM.Crypto) == 'undefined') { Clipperz.PM.Crypto = {}; }
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Clipperz.PM.Crypto.VERSION = "0.2";
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Clipperz.PM.Crypto.NAME = "Clipperz.PM.Crypto";
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MochiKit.Base.update(Clipperz.PM.Crypto, {
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'__repr__': function () {
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return "[" + this.NAME + " " + this.VERSION + "]";
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},
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//-------------------------------------------------------------------------
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'toString': function () {
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return this.__repr__();
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},
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//-------------------------------------------------------------------------
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'communicationProtocol': {
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'currentVersion': '0.2',
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'versions': {
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'0.1': Clipperz.PM.Connection.SRP['1.0'], //Clipperz.Crypto.SRP.versions['1.0'].Connection,
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'0.2': Clipperz.PM.Connection.SRP['1.1'] //Clipperz.Crypto.SRP.versions['1.1'].Connection,
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},
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'fallbackVersions': {
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'current': '0.1',
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'0.2': '0.1',
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'0.1': null
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}
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},
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//-------------------------------------------------------------------------
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'encryptingFunctions': {
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'currentVersion': '0.3',
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'versions': {
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//#####################################################################
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'0.1': {
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'encrypt': function(aKey, aValue) {
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return Clipperz.Crypto.Base.encryptUsingSecretKey(aKey, Clipperz.Base.serializeJSON(aValue));
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},
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'deferredEncrypt': function(aKey, aValue) {
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var deferredResult;
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deferredResult = new MochiKit.Async.Deferred();
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deferredResult.addCallback(Clipperz.PM.Crypto.encryptingFunctions.versions['0.1'].encrypt, aKey, aValue);
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deferredResult.callback();
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return deferredResult;
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},
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'decrypt': function(aKey, aValue) {
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var result;
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if (aValue != null) {
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result = Clipperz.Base.evalJSON(Clipperz.Crypto.Base.decryptUsingSecretKey(aKey, aValue));
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} else {
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result = null;
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}
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return result;
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},
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'deferredDecrypt': function(aKey, aValue) {
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var deferredResult;
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deferredResult = new MochiKit.Async.Deferred();
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deferredResult.addCallback(Clipperz.PM.Crypto.encryptingFunctions.versions['0.1'].decrypt, aKey, aValue);
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deferredResult.callback();
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return deferredResult;
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},
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'hash': function(aValue) {
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var result;
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var strngResult;
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stringResult = Clipperz.Crypto.Base.computeHashValue(aValue.asString()); // !!!!!!!
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result = new Clipperz.ByteArray("0x" + stringResult);
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return result;
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}
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},
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//#####################################################################
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'0.2': {
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'encrypt': function(aKey, aValue, aNonce) {
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var result;
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var key, value;
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var dataToEncrypt;
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var encryptedData;
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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value = new Clipperz.ByteArray(Clipperz.Base.serializeJSON(aValue));
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dataToEncrypt = Clipperz.Crypto.SHA.sha_d256(value).appendBlock(value);
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encryptedData = Clipperz.Crypto.AES.encrypt(key, dataToEncrypt, aNonce);
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result = encryptedData.toBase64String();
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return result;
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},
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'deferredEncrypt': function(aKey, aValue, aNonce) {
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var deferredResult;
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var key, value;
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var dataToEncrypt;
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var encryptedData;
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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value = new Clipperz.ByteArray(Clipperz.Base.serializeJSON(aValue));
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dataToEncrypt = Clipperz.Crypto.SHA.sha_d256(value).appendBlock(value);
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deferredResult = new MochiKit.Async.Deferred()
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deferredResult.addCallback(Clipperz.Crypto.AES.deferredEncrypt, key, dataToEncrypt, aNonce);
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deferredResult.addCallback(function(aResult) {
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return aResult.toBase64String();
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})
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deferredResult.callback();
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return deferredResult;
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},
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'decrypt': function(aKey, aValue) {
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var result;
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if (aValue != null) {
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var key, value;
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var decryptedData;
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var decryptedData;
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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value = new Clipperz.ByteArray().appendBase64String(aValue);
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decryptedData = Clipperz.Crypto.AES.decrypt(key, value);
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decryptedData = decryptedData.split((256/8));
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try {
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result = Clipperz.Base.evalJSON(decryptedData.asString());
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} catch (exception) {
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MochiKit.Logging.logError("Error while decrypting data");
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throw Clipperz.Crypto.Base.exception.CorruptedMessage;
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}
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} else {
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result = null;
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}
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return result;
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},
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'deferredDecrypt': function(aKey, aValue) {
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var result;
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if (aValue != null) {
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var deferredResult;
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var key, value;
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var decryptedData;
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result = new MochiKit.Async.Deferred();
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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value = new Clipperz.ByteArray().appendBase64String(aValue);
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deferredResult = new MochiKit.Async.Deferred()
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deferredResult.addCallback(Clipperz.Crypto.AES.deferredDecrypt, key, value);
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deferredResult.addCallback(function(aResult) {
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var result;
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var decryptedData;
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decryptedData = aResult.split((256/8));
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try {
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result = Clipperz.Base.evalJSON(decryptedData.asString());
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} catch (exception) {
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MochiKit.Logging.logError("Error while decrypting data");
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throw Clipperz.Crypto.Base.exception.CorruptedMessage;
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}
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return result;
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})
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deferredResult.callback();
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result = deferredResult;
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} else {
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result = MochiKit.Async.succeed(null);
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}
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return result;
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},
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'hash': Clipperz.Crypto.SHA.sha_d256
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},
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//#####################################################################
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'0.3': {
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'encrypt': function(aKey, aValue, aNonce) {
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var result;
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var key, value;
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var data;
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var dataToEncrypt;
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var encryptedData;
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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value = Clipperz.Base.serializeJSON(aValue);
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data = new Clipperz.ByteArray(value);
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encryptedData = Clipperz.Crypto.AES.encrypt(key, data, aNonce);
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result = encryptedData.toBase64String();
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return result;
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},
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'deferredEncrypt': function(aKey, aValue, aNonce) {
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var deferredResult;
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var key, value;
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var data;
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var dataToEncrypt;
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var encryptedData;
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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value = Clipperz.Base.serializeJSON(aValue);
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data = new Clipperz.ByteArray(value);
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deferredResult = new MochiKit.Async.Deferred()
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("Clipperz.PM.Crypto.deferredEncrypt - 1: " + res); return res;});
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deferredResult.addCallback(Clipperz.Crypto.AES.deferredEncrypt, key, data, aNonce);
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("Clipperz.PM.Crypto.deferredEncrypt - 2: " + res); return res;});
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deferredResult.addCallback(function(aResult) {
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return aResult.toBase64String();
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})
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("Clipperz.PM.Crypto.deferredEncrypt - 3: " + res); return res;});
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deferredResult.callback();
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return deferredResult;
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},
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'decrypt': function(aKey, aValue) {
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var result;
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if (aValue != null) {
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var key, value;
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var decryptedData;
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var decryptedValue;
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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value = new Clipperz.ByteArray().appendBase64String(aValue);
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decryptedData = Clipperz.Crypto.AES.decrypt(key, value);
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value = decryptedData.asString();
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try {
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result = Clipperz.Base.evalJSON(value);
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} catch (exception) {
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MochiKit.Logging.logError("Error while decrypting data");
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throw Clipperz.Crypto.Base.exception.CorruptedMessage;
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}
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} else {
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result = null;
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}
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return result;
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},
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'deferredDecrypt': function(aKey, aValue) {
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var deferredResult;
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// var now;
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deferredResult = new MochiKit.Async.Deferred();
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now = new Date;
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 1: " + res); return res;});
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if (aValue != null) {
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var key, value;
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var decryptedData;
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var decryptedValue;
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key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
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//MochiKit.Logging.logDebug("[" + (new Date() - now) + "] computed key");
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value = new Clipperz.ByteArray().appendBase64String(aValue);
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//MochiKit.Logging.logDebug("[" + (new Date() - now) + "] appendedBase64String");
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 1.1: " /* + res*/); return res;});
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deferredResult.addCallback(Clipperz.Crypto.AES.deferredDecrypt, key, value);
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 2: " /* + res*/); return res;});
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deferredResult.addCallback(MochiKit.Async.wait, 0.1);
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 3: " /* + res*/); return res;});
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deferredResult.addCallback(function(aResult) {
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return aResult.asString();
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});
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 4: " /* + res*/); return res;});
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deferredResult.addCallback(MochiKit.Async.wait, 0.1);
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 5: " /* + res*/); return res;});
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deferredResult.addCallback(Clipperz.Base.evalJSON);
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 6: " /* + res*/); return res;});
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deferredResult.addErrback(function(anError) {
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MochiKit.Logging.logError("Error while decrypting data");
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throw Clipperz.Crypto.Base.exception.CorruptedMessage;
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})
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//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + (new Date() - now) + "] Clipperz.PM.Crypto.deferredDecrypt - 7: " /* + res*/); return res;});
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} else {
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deferredResult.addCallback(function() {
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return null;
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});
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}
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deferredResult.callback();
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return deferredResult;
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},
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'hash': Clipperz.Crypto.SHA.sha_d256
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},
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//#####################################################################
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/*
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'0.4': {
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'encrypt': function(aKey, aValue, aNonce) {
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var result;
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var key, value;
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var data;
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var dataToEncrypt;
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var encryptedData;
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//MochiKit.Logging.logDebug(">>> [" + (new Date()).valueOf() + "] Clipperz.PM.Crypto.versions[0.3].encrypt");
|
||
|
|
key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
|
||
|
|
//MochiKit.Logging.logDebug("--- [" + (new Date()).valueOf() + "] Clipperz.PM.Crypto.versions[0.3].encrypt - 1");
|
||
|
|
value = Clipperz.Base.serializeJSON(aValue);
|
||
|
|
//MochiKit.Logging.logDebug("--- [" + (new Date()).valueOf() + "] Clipperz.PM.Crypto.versions[0.3].encrypt - 2");
|
||
|
|
/ *
|
||
|
|
//MochiKit.Logging.logDebug("--> encrypt.fullSize: " + value.length);
|
||
|
|
value = value.replace(/":{"label":"/g, '":{l:"');
|
||
|
|
value = value.replace(/":{"key":"/g, '":{k:"');
|
||
|
|
value = value.replace(/":{"notes":"/g, '":{n:"');
|
||
|
|
value = value.replace(/":{"record":"/g, '":{r:"');
|
||
|
|
value = value.replace(/", "label":"/g, '",l:"');
|
||
|
|
value = value.replace(/", "favicon":"/g, '",f:"');
|
||
|
|
//MochiKit.Logging.logDebug("<-- encrypt.compressed: " + value.length);
|
||
|
|
* /
|
||
|
|
data = new Clipperz.ByteArray(value);
|
||
|
|
//MochiKit.Logging.logDebug("--- [" + (new Date()).valueOf() + "] Clipperz.PM.Crypto.versions[0.3].encrypt - 3");
|
||
|
|
encryptedData = Clipperz.Crypto.AES.encrypt(key, data, aNonce);
|
||
|
|
//MochiKit.Logging.logDebug("--- [" + (new Date()).valueOf() + "] Clipperz.PM.Crypto.versions[0.3].encrypt - 4");
|
||
|
|
result = encryptedData.toBase64String();
|
||
|
|
//MochiKit.Logging.logDebug("<<< [" + (new Date()).valueOf() + "] Clipperz.PM.Crypto.versions[0.3].encrypt");
|
||
|
|
|
||
|
|
return result;
|
||
|
|
},
|
||
|
|
|
||
|
|
'decrypt': function(aKey, aValue) {
|
||
|
|
var result;
|
||
|
|
|
||
|
|
if (aValue != null) {
|
||
|
|
var key, value;
|
||
|
|
var decryptedData;
|
||
|
|
var decryptedValue;
|
||
|
|
|
||
|
|
key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey));
|
||
|
|
value = new Clipperz.ByteArray().appendBase64String(aValue);
|
||
|
|
|
||
|
|
decryptedData = Clipperz.Crypto.AES.decrypt(key, value);
|
||
|
|
|
||
|
|
value = decryptedData.asString();
|
||
|
|
/ *
|
||
|
|
value = value.replace(/":{l:"/g, '":{"label":"');
|
||
|
|
value = value.replace(/":{k:"/g, '":{"key":"');
|
||
|
|
value = value.replace(/":{n:"/g, '":{"notes":"');
|
||
|
|
value = value.replace(/":{r:"/g, '":{"record":"');
|
||
|
|
value = value.replace(/",l:"/g, '", "label":"');
|
||
|
|
value = value.replace(/",f:"/g, '", "favicon":"');
|
||
|
|
* /
|
||
|
|
try {
|
||
|
|
result = Clipperz.Base.evalJSON(value);
|
||
|
|
} catch (exception) {
|
||
|
|
MochiKit.Logging.logError("Error while decrypting data");
|
||
|
|
throw Clipperz.Crypto.Base.exception.CorruptedMessage;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} else {
|
||
|
|
result = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
},
|
||
|
|
|
||
|
|
'hash': Clipperz.Crypto.SHA.sha_d256
|
||
|
|
},
|
||
|
|
*/
|
||
|
|
//#####################################################################
|
||
|
|
__syntaxFix__: "syntax fix"
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
|
||
|
|
'encrypt': function(aKey, aValue, aVersion) {
|
||
|
|
return Clipperz.PM.Crypto.encryptingFunctions.versions[aVersion].encrypt(aKey, aValue);
|
||
|
|
},
|
||
|
|
|
||
|
|
'deferredEncrypt': function(aKey, aValue, aVersion) {
|
||
|
|
return Clipperz.PM.Crypto.encryptingFunctions.versions[aVersion].deferredEncrypt(aKey, aValue);
|
||
|
|
},
|
||
|
|
|
||
|
|
'encryptWithCurrentVersion': function(aKey, aValue) {
|
||
|
|
return Clipperz.PM.Crypto.encrypt(aKey, aValue, Clipperz.PM.Crypto.encryptingFunctions.currentVersion);
|
||
|
|
},
|
||
|
|
|
||
|
|
'deferredEncryptWithCurrentVersion': function(aKey, aValue) {
|
||
|
|
return Clipperz.PM.Crypto.deferredEncrypt(aKey, aValue, Clipperz.PM.Crypto.encryptingFunctions.currentVersion);
|
||
|
|
},
|
||
|
|
|
||
|
|
//.........................................................................
|
||
|
|
|
||
|
|
'decrypt': function(aKey, aValue, aVersion) {
|
||
|
|
return Clipperz.PM.Crypto.encryptingFunctions.versions[aVersion].decrypt(aKey, aValue);
|
||
|
|
},
|
||
|
|
|
||
|
|
'deferredDecrypt': function(aKey, aValue, aVersion) {
|
||
|
|
return Clipperz.PM.Crypto.encryptingFunctions.versions[aVersion].deferredDecrypt(aKey, aValue);
|
||
|
|
},
|
||
|
|
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
|
||
|
|
'randomKey': function() {
|
||
|
|
return Clipperz.Crypto.PRNG.defaultRandomGenerator().getRandomBytes(32).toHexString().substring(2);
|
||
|
|
},
|
||
|
|
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
|
||
|
|
'passwordEntropy': function(aValue) {
|
||
|
|
var result;
|
||
|
|
var bitPerChar;
|
||
|
|
|
||
|
|
bitPerChar = 4;
|
||
|
|
if (/[a-z]/.test(aValue)) {
|
||
|
|
bitPerChar ++;
|
||
|
|
}
|
||
|
|
if (/[A-Z]/.test(aValue)) {
|
||
|
|
bitPerChar ++;
|
||
|
|
}
|
||
|
|
if (/[^a-zA-Z0-9]/.test(aValue)) {
|
||
|
|
bitPerChar ++;
|
||
|
|
}
|
||
|
|
//MochiKit.Logging.logDebug("--- bitPerChar: " + bitPerChar);
|
||
|
|
|
||
|
|
result = aValue.length * bitPerChar;
|
||
|
|
|
||
|
|
return result;
|
||
|
|
},
|
||
|
|
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
|
||
|
|
'nullValue': "####",
|
||
|
|
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
__syntaxFix__: "syntax fix"
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
MochiKit.Base.update(Clipperz.PM.Crypto.communicationProtocol.versions, {
|
||
|
|
'current': Clipperz.PM.Crypto.communicationProtocol.versions[Clipperz.PM.Crypto.communicationProtocol.currentVersion]
|
||
|
|
});
|
||
|
|
|
||
|
|
MochiKit.Base.update(Clipperz.PM.Crypto.encryptingFunctions.versions, {
|
||
|
|
'current': Clipperz.PM.Crypto.encryptingFunctions.versions[Clipperz.PM.Crypto.encryptingFunctions.currentVersion]
|
||
|
|
});
|
||
|
|
|
||
|
|
//*****************************************************************************
|