| author | Giulio 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) |
| commit | 0422224521f62da210d1ae6ee15ecdf09f47f1f8 (patch) (side-by-side diff) | |
| tree | df7c0394fbcd1f8bc588ca8aab3ee83f5dc9f0cf /frontend/delta/js | |
| 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/delta/js/Clipperz/PM/Proxy/Proxy.Offline.LocalStorageDataStore.js | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/frontend/delta/js/Clipperz/PM/Proxy/Proxy.Offline.LocalStorageDataStore.js b/frontend/delta/js/Clipperz/PM/Proxy/Proxy.Offline.LocalStorageDataStore.js index 3f16f70..d03f873 100644 --- a/frontend/delta/js/Clipperz/PM/Proxy/Proxy.Offline.LocalStorageDataStore.js +++ b/frontend/delta/js/Clipperz/PM/Proxy/Proxy.Offline.LocalStorageDataStore.js @@ -88,7 +88,7 @@ Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.LocalStorageDataStore, Clipperz.P randomBytes = Clipperz.Crypto.Base.generateRandomSeed(); aConnection['b'] = new Clipperz.Crypto.BigInt(randomBytes, 16); v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16); - aConnection['B'] = v.add(Clipperz.Crypto.SRP.g().powerModule(aConnection['b'], Clipperz.Crypto.SRP.n())); + aConnection['B'] = (Clipperz.Crypto.SRP.k().multiply(v)).add(Clipperz.Crypto.SRP.g().powerModule(aConnection['b'], Clipperz.Crypto.SRP.n())); aConnection['A'] = someParameters.parameters.A; @@ -97,20 +97,35 @@ Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.LocalStorageDataStore, Clipperz.P 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); + }; v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16); - u = new Clipperz.Crypto.BigInt(Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(aConnection['B'].asString(10))).toHexString(), 16); A = new Clipperz.Crypto.BigInt(aConnection['A'], 16); + u = new Clipperz.Crypto.BigInt(Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + aConnection['B'].asString(10))).toHexString(), 16); + s = new Clipperz.Crypto.BigInt(aConnection['userData']['s'], 16); S = (A.multiply(v.powerModule(u, Clipperz.Crypto.SRP.n()))).powerModule(aConnection['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) + aConnection['B'].asString(10) + K)).toHexString().slice(2); + M1 = stringHash( + "597626870978286801440197562148588907434001483655788865609375806439877501869636875571920406529" + + stringHash(aConnection['C']) + + s.asString(10) + + A.asString(10) + + aConnection['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"); |