1 files changed, 37 insertions, 10 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
@@ -24,32 +24,33 @@ refer to http://www.clipperz.com.
 try { if (typeof(Clipperz.PM.Proxy.Offline) == 'undefined') { throw ""; }} catch (e) {
         throw "Clipperz.PM.Proxy.Offline.DataStore depends on Clipperz.PM.Proxy.Offline!";
 }  
 
 //=============================================================================
 
 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, {
 
         //-------------------------------------------------------------------------
 
         'isReadOnly': function () {
                 return this._isReadOnly;
         },
@@ -131,32 +132,42 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                         }, this));
                 }
                 
                 deferredResult.addCallback(MochiKit.Base.bind(function() {
 //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;
         },
 
         'set_B': function(aValue) {
                 this._B = aValue;
@@ -223,34 +234,34 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                                 vartollParameters;
                         
                         tollParameters = someParameters['toll'];
                         localToll = this.tolls()[tollParameters['targetValue']];
                         
                         if (localToll != null) {
                                 if (! Clipperz.PM.Toll.validate(tollParameters['targetValue'], tollParameters['toll'], localToll['cost'])) {
                                         throw "Toll value too low.";
                                 };
                         } else {
                                 throw "Missing toll";
                         }
                 }
         },
 
         //=========================================================================
-        
-        'processMessage': function(aFunctionName, someParameters) {
+
+        'processMessage': function (aFunctionName, someParameters) {
                 var result;
 
                 switch(aFunctionName) {
                         case 'knock':
                                 result = this._knock(someParameters);
                                 break;
                         case 'registration':
                                 this.checkToll(aFunctionName, someParameters);
                                 result = this._registration(someParameters.parameters);
                                 break;
                         case 'handshake':
                                 this.checkToll(aFunctionName, someParameters);
                                 result = this._handshake(someParameters.parameters);
                                 break;
                         case 'message':
                                 this.checkToll(aFunctionName, someParameters);
@@ -290,95 +301,111 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                                 this.data()['users'][someParameters['credentials']['C']] = {
                                                 's':    someParameters['credentials']['s'],
                                                 'v':    someParameters['credentials']['v'],
                                                 'version':someParameters['credentials']['version'],
                 //                              'lock':         someParameters['user']['lock'],
                                                 'lock':         Clipperz.Crypto.Base.generateRandomSeed(),
                 //                              'maxNumberOfRecords':'100',
                                                 'userDetails':          someParameters['user']['header'],
                                                 'statistics':           someParameters['user']['statistics'],
                                                 'userDetailsVersion':someParameters['user']['version'],
                                                 'records':{}
                                 }
                         } else {
                                 throw "user already exists";
                         }
                 } else {
-                        throw Clipperz.PM.Proxy.Offline.DataStore.exception.ReadOnly;
+                throw Clipperz.PM.Proxy.Offline.DataStore.exception.ReadOnly;
                 }
 
                 result = {
                         result: {
                                         'lock':         this.data()['users'][someParameters['credentials']['C']]['lock'],
                                         'result':'done'
-                        },
+        },
                         toll:   this.getTollForRequestType('CONNECT')
                 }
 
                 return MochiKit.Async.succeed(result);
         },
 
         //-------------------------------------------------------------------------
 
         '_handshake': function(someParameters) {
                 var result;
                         varnextTollRequestType;
 
 //Clipperz.log(">>> Proxy.Offline.DataStore._handshake");
                 result = {};
                 if (someParameters.message == "connect") {
                         var userData;
                         var randomBytes;
                         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']));
                         otpData = this.data()['onetimePasswords'][someParameters.parameters.oneTimePasswordKey];
 
                         try {
                                 if (typeof(otpData) != 'undefined') {