author | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2014-06-02 11:39:16 (UTC) |
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committer | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2014-06-02 16:35:38 (UTC) |
commit | 0422224521f62da210d1ae6ee15ecdf09f47f1f8 (patch) (side-by-side diff) | |
tree | df7c0394fbcd1f8bc588ca8aab3ee83f5dc9f0cf /frontend/beta/js/Clipperz | |
parent | 7fdb41fa2b1f621636882ad9059c1f3ecfb74083 (diff) | |
download | clipperz-0422224521f62da210d1ae6ee15ecdf09f47f1f8.zip clipperz-0422224521f62da210d1ae6ee15ecdf09f47f1f8.tar.gz clipperz-0422224521f62da210d1ae6ee15ecdf09f47f1f8.tar.bz2 |
Fixed authentication procedure for offline copy
-rw-r--r-- | frontend/beta/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/frontend/beta/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js b/frontend/beta/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js index 1a5caff..b0b9b63 100644 --- a/frontend/beta/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js +++ b/frontend/beta/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js @@ -28,24 +28,25 @@ try { if (typeof(Clipperz.PM.Proxy.Offline) == 'undefined') { throw ""; }} catch //============================================================================= Clipperz.PM.Proxy.Offline.DataStore = function(args) { args = args || {}; this._data = args.data || (typeof(_clipperz_dump_data_) != 'undefined' ? _clipperz_dump_data_ : null); this._isReadOnly = (typeof(args.readOnly) == 'undefined' ? true : args.readOnly); this._shouldPayTolls = args.shouldPayTolls || false; this._tolls = {}; this._connections = {}; + this._C = null; this._b = null; this._B = null; this._A = null; this._userData = null; return this; } //Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.DataStore, Object, { Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, { //------------------------------------------------------------------------- @@ -135,24 +136,34 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, { //console.log("this._data", resultData); this._data = resultData; }, this)); deferredResult.callback(); //Clipperz.log("<<< Proxy.Test.setupWithData"); return deferredResult; }, //========================================================================= + 'C': function() { + return this._C; + }, + + 'set_C': function(aValue) { + this._C = aValue; + }, + + //------------------------------------------------------------------------- + 'b': function() { return this._b; }, 'set_b': function(aValue) { this._b = aValue; }, //------------------------------------------------------------------------- 'B': function() { return this._B; @@ -331,50 +342,66 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, { var b, B, v; //console.log(">>> Proxy.Offline.DataStore._handshake.connect", someParameters); userData = this.data()['users'][someParameters.parameters.C]; if ((typeof(userData) != 'undefined') && (userData['version'] == someParameters.version)) { this.setUserData(userData); } else { this.setUserData(this.data()['users']['catchAllUser']); } randomBytes = Clipperz.Crypto.Base.generateRandomSeed(); + this.set_C(someParameters.parameters.C); this.set_b(new Clipperz.Crypto.BigInt(randomBytes, 16)); v = new Clipperz.Crypto.BigInt(this.userData()['v'], 16); - this.set_B(v.add(Clipperz.Crypto.SRP.g().powerModule(this.b(), Clipperz.Crypto.SRP.n()))); + this.set_B((Clipperz.Crypto.SRP.k().multiply(v)).add(Clipperz.Crypto.SRP.g().powerModule(this.b(), Clipperz.Crypto.SRP.n()))); this.set_A(someParameters.parameters.A); result['s'] = this.userData()['s']; result['B'] = this.B().asString(16); nextTollRequestType = 'CONNECT'; } else if (someParameters.message == "credentialCheck") { - var v, u, S, A, K, M1; + var v, u, s, S, A, K, M1; + var stringHash = function (aValue) { + return Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(aValue)).toHexString().substring(2); + }; //console.log(">>> Proxy.Offline.DataStore._handshake.credentialCheck", someParameters); v = new Clipperz.Crypto.BigInt(this.userData()['v'], 16); - u = new Clipperz.Crypto.BigInt(Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(this.B().asString(10))).toHexString(), 16); A = new Clipperz.Crypto.BigInt(this.A(), 16); + u = new Clipperz.Crypto.BigInt(Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + this.B().asString(10))).toHexString(), 16); + s = new Clipperz.Crypto.BigInt(this.userData()['s'], 16); S = (A.multiply(v.powerModule(u, Clipperz.Crypto.SRP.n()))).powerModule(this.b(), Clipperz.Crypto.SRP.n()); - K = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(S.asString(10))).toHexString().slice(2); + K = stringHash(S.asString(10)); - M1 = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + this.B().asString(10) + K)).toHexString().slice(2); + M1 = stringHash( + "597626870978286801440197562148588907434001483655788865609375806439877501869636875571920406529" + + stringHash(this.C()) + + s.asString(10) + + A.asString(10) + + this.B().asString(10) + + K + ); if (someParameters.parameters.M1 == M1) { var M2; - M2 = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + someParameters.parameters.M1 + K)).toHexString().slice(2); + M2 = stringHash( + A.asString(10) + + someParameters.parameters.M1 + + K + ); result['M2'] = M2; } else { throw new Error("Client checksum verification failed! Expected <" + M1 + ">, received <" + someParameters.parameters.M1 + ">.", "Error"); } nextTollRequestType = 'MESSAGE'; } else if (someParameters.message == "oneTimePassword") { var otpData; //console.log("HANDSHAKE WITH OTP", someParameters.parameters.oneTimePasswordKey); //console.log("someParameters", someParameters); //console.log("data.OTP", Clipperz.Base.serializeJSON(this.data()['onetimePasswords'])); |