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
@@ -39,2 +39,3 @@ Clipperz.PM.Proxy.Offline.DataStore = function(args) {
 
+        this._C = null;
         this._b = null;
@@ -146,2 +147,12 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
 
+        'C': function() {
+                return this._C;
+        },
+
+        'set_C': function(aValue) {
+                this._C = aValue;
+        },
+
+        //-------------------------------------------------------------------------
+
         'b': function() {
@@ -238,4 +249,4 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
         //=========================================================================
-        
-        'processMessage': function(aFunctionName, someParameters) {
+
+        'processMessage': function (aFunctionName, someParameters) {
                 var result;
@@ -305,3 +316,3 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                 } else {
-                        throw Clipperz.PM.Proxy.Offline.DataStore.exception.ReadOnly;
+                throw Clipperz.PM.Proxy.Offline.DataStore.exception.ReadOnly;
                 }
@@ -312,3 +323,3 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                                         'result':'done'
-                        },
+        },
                         toll:   this.getTollForRequestType('CONNECT')
@@ -342,5 +353,6 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                         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())));
                         
@@ -353,3 +365,6 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                 } 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);
+                        };
                         
@@ -357,9 +372,17 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                         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) {
@@ -367,3 +390,7 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
                                 
-                                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;