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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/delta
parent7fdb41fa2b1f621636882ad9059c1f3ecfb74083 (diff)
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Fixed authentication procedure for offline copy
Diffstat (limited to 'frontend/delta') (more/less context) (show whitespace changes)
-rw-r--r--frontend/delta/js/Clipperz/PM/Proxy/Proxy.Offline.LocalStorageDataStore.js27
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
@@ -87,31 +87,46 @@ 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;
result['s'] = aConnection['userData']['s'];
result['B'] = aConnection['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);
+ };
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");
}