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path: root/frontend/beta/js
authorGiulio Cesare Solaroli <giulio.cesare@clipperz.com>2014-06-02 11:39:16 (UTC)
committer Giulio Cesare Solaroli <giulio.cesare@clipperz.com>2014-06-02 16:35:38 (UTC)
commit0422224521f62da210d1ae6ee15ecdf09f47f1f8 (patch) (side-by-side diff)
treedf7c0394fbcd1f8bc588ca8aab3ee83f5dc9f0cf /frontend/beta/js
parent7fdb41fa2b1f621636882ad9059c1f3ecfb74083 (diff)
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Fixed authentication procedure for offline copy
Diffstat (limited to 'frontend/beta/js') (more/less context) (ignore whitespace changes)
-rw-r--r--frontend/beta/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js47
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
@@ -37,6 +37,7 @@ Clipperz.PM.Proxy.Offline.DataStore = function(args) {
this._tolls = {};
this._connections = {};
+ this._C = null;
this._b = null;
this._B = null;
this._A = null;
@@ -144,6 +145,16 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
//=========================================================================
+ 'C': function() {
+ return this._C;
+ },
+
+ 'set_C': function(aValue) {
+ this._C = aValue;
+ },
+
+ //-------------------------------------------------------------------------
+
'b': function() {
return this._b;
},
@@ -236,8 +247,8 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
},
//=========================================================================
-
- 'processMessage': function(aFunctionName, someParameters) {
+
+ 'processMessage': function (aFunctionName, someParameters) {
var result;
switch(aFunctionName) {
@@ -303,14 +314,14 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
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')
}
@@ -340,9 +351,10 @@ 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())));
this.set_A(someParameters.parameters.A);
@@ -351,21 +363,36 @@ Clipperz.PM.Proxy.Offline.DataStore.prototype = MochiKit.Base.update(null, {
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");