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']));