Diffstat (limited to 'frontend/gamma/js/Clipperz/PM/Crypto.js') (more/less context) (ignore whitespace changes)
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diff --git a/frontend/gamma/js/Clipperz/PM/Crypto.js b/frontend/gamma/js/Clipperz/PM/Crypto.js new file mode 100644 index 0000000..bfafbea --- a/dev/null +++ b/frontend/gamma/js/Clipperz/PM/Crypto.js @@ -0,0 +1,513 @@ +/* + +Copyright 2008-2011 Clipperz Srl + +This file is part of Clipperz's Javascript Crypto Library. +Javascript Crypto Library provides web developers with an extensive +and efficient set of cryptographic functions. The library aims to +obtain maximum execution speed while preserving modularity and +reusability. +For further information about its features and functionalities please +refer to http://www.clipperz.com + +* Javascript Crypto Library is free software: you can redistribute + it and/or modify it under the terms of the GNU Affero General Public + License as published by the Free Software Foundation, either version + 3 of the License, or (at your option) any later version. + +* Javascript Crypto Library is distributed in the hope that it will + be useful, but WITHOUT ANY WARRANTY; without even the implied + warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Affero General Public License for more details. + +* You should have received a copy of the GNU Affero General Public + License along with Javascript Crypto Library. If not, see + <http://www.gnu.org/licenses/>. + +*/ + +if (typeof(Clipperz) == 'undefined') { Clipperz = {}; } +if (typeof(Clipperz.PM) == 'undefined') { Clipperz.PM = {}; } +if (typeof(Clipperz.PM.Crypto) == 'undefined') { Clipperz.PM.Crypto = {}; } + +Clipperz.PM.Crypto.VERSION = "0.2"; +Clipperz.PM.Crypto.NAME = "Clipperz.PM.Crypto"; + +Clipperz.PM.Crypto.encryptingFunctions = {}; + +MochiKit.Base.update(Clipperz.PM.Crypto, { + + '__repr__': function () { + return "[" + this.NAME + " " + this.VERSION + "]"; + }, + + //------------------------------------------------------------------------- + + 'toString': function () { + return this.__repr__(); + }, + + //------------------------------------------------------------------------- +/* + 'communicationProtocol': { + 'currentVersion': '0.2', + 'versions': { + '0.1': Clipperz.PM.Connection.SRP['1.0'], //Clipperz.Crypto.SRP.versions['1.0'].Connection, + '0.2': Clipperz.PM.Connection.SRP['1.1'] //Clipperz.Crypto.SRP.versions['1.1'].Connection + }, + 'fallbackVersions': { + 'current': '0.1', + '0.2': '0.1', + '0.1': null + } + }, +*/ + //------------------------------------------------------------------------- + + 'encryptingFunctions': { + 'currentVersion': '0.3', + 'versions': { + + //##################################################################### + + '0.1': { + 'encrypt': function(aKey, aValue) { + return Clipperz.Crypto.Base.encryptUsingSecretKey(aKey, Clipperz.Base.serializeJSON(aValue)); + }, + + 'deferredEncrypt': function(aKey, aValue) { + var deferredResult; + + deferredResult = new Clipperz.Async.Deferred("Crypto[0.1].deferredEncrypt"); + deferredResult.addCallback(Clipperz.PM.Crypto.encryptingFunctions.versions['0.1'].encrypt, aKey, aValue); + deferredResult.callback(); + + return deferredResult; + }, + + 'decrypt': function(aKey, aValue) { + var result; + + if (aValue != null) { + result = Clipperz.Base.evalJSON(Clipperz.Crypto.Base.decryptUsingSecretKey(aKey, aValue)); + } else { + result = null; + } + + return result; + }, + + 'deferredDecrypt': function(aKey, aValue) { + var deferredResult; + + deferredResult = new Clipperz.Async.Deferred("Crypto.[0.1].deferredDecrypt"); + deferredResult.addCallback(Clipperz.PM.Crypto.encryptingFunctions.versions['0.1'].decrypt, aKey, aValue); + deferredResult.callback(); + + return deferredResult; + }, + + 'hash': function(aValue) { + var result; + var strngResult; + + stringResult = Clipperz.Crypto.Base.computeHashValue(aValue.asString()); // !!!!!!! + result = new Clipperz.ByteArray("0x" + stringResult); + + return result; + }, + + 'deriveKey': function(aStringValue) { + return Clipperz.Crypto.Base.computeHashValue(aStringValue); + } + }, + + //##################################################################### + + '0.2': { + 'encrypt': function(aKey, aValue, aNonce) { + var result; + var key, value; + var dataToEncrypt; + var encryptedData; + + key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey)); + value = new Clipperz.ByteArray(Clipperz.Base.serializeJSON(aValue)); + dataToEncrypt = Clipperz.Crypto.SHA.sha_d256(value).appendBlock(value); + encryptedData = Clipperz.Crypto.AES.encrypt(key, dataToEncrypt, aNonce); + result = encryptedData.toBase64String(); + + return result; + }, + + 'deferredEncrypt': function(aKey, aValue, aNonce) { + var deferredResult; + var key, value; + var dataToEncrypt; +// var encryptedData; + + key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey)); + value = new Clipperz.ByteArray(Clipperz.Base.serializeJSON(aValue)); + dataToEncrypt = Clipperz.Crypto.SHA.sha_d256(value).appendBlock(value); + + deferredResult = new Clipperz.Async.Deferred("Crypto[0.2].deferredEncrypt") + deferredResult.addCallback(Clipperz.Crypto.AES.deferredEncrypt, key, dataToEncrypt, aNonce); + deferredResult.addCallback(function(aResult) { + return aResult.toBase64String(); + }) + deferredResult.callback(); + + return deferredResult; + }, + + '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); + decryptedValue = decryptedData.split((256/8)); + + try { + result = Clipperz.Base.evalJSON(decryptedValue.asString()); + } catch (exception) { + MochiKit.Logging.logError("Error while decrypting data [1]"); + throw Clipperz.Crypto.Base.exception.CorruptedMessage; + } + } else { + result = null; + } + + return result; + }, + + 'deferredDecrypt': function(aKey, aValue) { + var result; + + if (aValue != null) { + var deferredResult; + var key, value; +// var decryptedData; + + key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey)); + value = new Clipperz.ByteArray().appendBase64String(aValue); + + deferredResult = new Clipperz.Async.Deferred("Crypto.[0.2].deferredDecrypt"); + deferredResult.addCallback(Clipperz.Crypto.AES.deferredDecrypt, key, value); + deferredResult.addCallback(function(aResult) { + var result; + var decryptedData; + + decryptedData = aResult.split((256/8)); + + try { + result = Clipperz.Base.evalJSON(decryptedData.asString()); + } catch (exception) { + MochiKit.Logging.logError("Error while decrypting data [2]"); + throw Clipperz.Crypto.Base.exception.CorruptedMessage; + } + + return result; + }) + deferredResult.callback(); + + result = deferredResult; + } else { + result = MochiKit.Async.succeed(null); + } + + return result; + }, + + 'hash': Clipperz.Crypto.SHA.sha_d256, + + 'deriveKey': function(aStringValue) { + var byteData; + var result; + + byteData = new Clipperz.ByteArray(aStringValue); + result = Clipperz.Crypto.SHA.sha_d256(byteData); + + return result; + } + }, + + //##################################################################### + + '0.3': { + 'encrypt': function(aKey, aValue, aNonce) { + var result; + var key, value; + var data; + var dataToEncrypt; + var encryptedData; + + key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey)); + value = Clipperz.Base.serializeJSON(aValue); + data = new Clipperz.ByteArray(value); + encryptedData = Clipperz.Crypto.AES.encrypt(key, data, aNonce); + result = encryptedData.toBase64String(); + + return result; + }, + + 'deferredEncrypt': function(aKey, aValue, aNonce) { + var deferredResult; + var key, value; + var data; + var dataToEncrypt; + var encryptedData; + + key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey)); + value = Clipperz.Base.serializeJSON(aValue); + data = new Clipperz.ByteArray(value); + + deferredResult = new Clipperz.Async.Deferred("Crypto[0.3].deferredEncrypt") + deferredResult.addCallback(Clipperz.Crypto.AES.deferredEncrypt, key, data, aNonce); + deferredResult.addCallback(function(aResult) { + return aResult.toBase64String(); + }) + deferredResult.callback(); + + return deferredResult; + }, + + 'decrypt': function(aKey, aValue) { + var result; + + if (aValue != null) { + var key, value; + var decryptedData; + + 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(); + try { + result = Clipperz.Base.evalJSON(value); + } catch (exception) { + MochiKit.Logging.logError("Error while decrypting data [3]"); + throw Clipperz.Crypto.Base.exception.CorruptedMessage; + } + } else { + result = null; + } + + return result; + }, + + 'deferredDecrypt': function(aKey, aValue) { + var deferredResult; + + deferredResult = new Clipperz.Async.Deferred("Crypto[0.3].deferredDecrypt", {trace: false}); +// now = new Date; + + if (aValue != null) { + var key, value; +// var decryptedData; + + key = Clipperz.Crypto.SHA.sha_d256(new Clipperz.ByteArray(aKey)); + value = new Clipperz.ByteArray().appendBase64String(aValue); + + deferredResult.addCallback(Clipperz.Crypto.AES.deferredDecrypt, key, value); + deferredResult.addCallback(MochiKit.Async.wait, 0.1); + deferredResult.addCallback(function(aResult) { + return aResult.asString(); + }); + deferredResult.addCallback(MochiKit.Async.wait, 0.1); + deferredResult.addCallback(Clipperz.Base.evalJSON); + deferredResult.addErrback(function(anError) { + MochiKit.Logging.logError("Error while decrypting data [4]"); + throw Clipperz.Crypto.Base.exception.CorruptedMessage; + }) + } else { + deferredResult.addCallback(function() { + return null; + }); + } + deferredResult.callback(); + + return deferredResult; + }, + + 'hash': Clipperz.Crypto.SHA.sha_d256, + + 'deriveKey': function(aStringValue) { + var byteData; + var result; + + byteData = new Clipperz.ByteArray(aStringValue); + result = Clipperz.Crypto.SHA.sha_d256(byteData); + + return result; + } + + }, + + //##################################################################### +/* + '0.4': { + 'encrypt': function(aKey, aValue, aNonce) { + var result; + var key, value; + var data; + var dataToEncrypt; + var encryptedData; + +//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; + + 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(someParameters) { + return Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters['version']].deferredEncrypt(someParameters['key'], someParameters['value']); + }, + + //......................................................................... + + 'decrypt': function(aKey, aValue, aVersion) { + return Clipperz.PM.Crypto.encryptingFunctions.versions[aVersion].decrypt(aKey, aValue); + }, + + 'deferredDecrypt': function(someParameters) { + return Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters['version']].deferredDecrypt(someParameters['key'], someParameters['value']); + }, + + //------------------------------------------------------------------------- + + 'hash': function(aValue) { + return Clipperz.PM.Crypto.encryptingFunctions.versions[Clipperz.PM.Crypto.encryptingFunctions.currentVersion]['hash'](aValue); + }, + + //------------------------------------------------------------------------- + + 'randomKey': function() { + return Clipperz.Crypto.PRNG.defaultRandomGenerator().getRandomBytes(32).toHexString().substring(2); + }, + + //------------------------------------------------------------------------- + + 'deriveKey': function(aValue) { + return Clipperz.PM.Crypto.encryptingFunctions.versions[Clipperz.PM.Crypto.encryptingFunctions.currentVersion].deriveKey(aValue); + }, + + //------------------------------------------------------------------------- + + '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 ++; + } + + result = aValue.length * bitPerChar; + + return result; + }, + + //------------------------------------------------------------------------- + + 'nullValue': '####', + + //------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" + +}); + +//***************************************************************************** + +//MochiKit.Base.update(Clipperz.PM.Connection.communicationProtocol.versions, { +// 'current': Clipperz.PM.Connection.communicationProtocol.versions[Clipperz.PM.Connection.communicationProtocol.currentVersion] +//}); + +MochiKit.Base.update(Clipperz.PM.Crypto.encryptingFunctions.versions, { + 'current': Clipperz.PM.Crypto.encryptingFunctions.versions[Clipperz.PM.Crypto.encryptingFunctions.currentVersion] +}); + +//***************************************************************************** |