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path: root/frontend/delta
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) (unidiff)
treedf7c0394fbcd1f8bc588ca8aab3ee83f5dc9f0cf /frontend/delta
parent7fdb41fa2b1f621636882ad9059c1f3ecfb74083 (diff)
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Fixed authentication procedure for offline copy
Diffstat (limited to 'frontend/delta') (more/less context) (ignore 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
@@ -90,3 +90,3 @@ Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.LocalStorageDataStore, Clipperz.P
90 v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16); 90 v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16);
91 aConnection['B'] = v.add(Clipperz.Crypto.SRP.g().powerModule(aConnection['b'], Clipperz.Crypto.SRP.n())); 91 aConnection['B'] = (Clipperz.Crypto.SRP.k().multiply(v)).add(Clipperz.Crypto.SRP.g().powerModule(aConnection['b'], Clipperz.Crypto.SRP.n()));
92 92
@@ -99,12 +99,23 @@ Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.LocalStorageDataStore, Clipperz.P
99 } else if (someParameters.message == "credentialCheck") { 99 } else if (someParameters.message == "credentialCheck") {
100 var v, u, S, A, K, M1; 100 var v, u, s, S, A, K, M1;
101 var stringHash = function (aValue) {
102 return Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(aValue)).toHexString().substring(2);
103 };
101 104
102 v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16); 105 v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16);
103 u = new Clipperz.Crypto.BigInt(Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(aConnection['B'].asString(10))).toHexString(), 16);
104 A = new Clipperz.Crypto.BigInt(aConnection['A'], 16); 106 A = new Clipperz.Crypto.BigInt(aConnection['A'], 16);
107 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);
108 s = new Clipperz.Crypto.BigInt(aConnection['userData']['s'], 16);
105 S = (A.multiply(v.powerModule(u, Clipperz.Crypto.SRP.n()))).powerModule(aConnection['b'], Clipperz.Crypto.SRP.n()); 109 S = (A.multiply(v.powerModule(u, Clipperz.Crypto.SRP.n()))).powerModule(aConnection['b'], Clipperz.Crypto.SRP.n());
106 110
107 K = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(S.asString(10))).toHexString().slice(2); 111 K = stringHash(S.asString(10));
108 112
109 M1 = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + aConnection['B'].asString(10) + K)).toHexString().slice(2); 113 M1 = stringHash(
114 "597626870978286801440197562148588907434001483655788865609375806439877501869636875571920406529" +
115 stringHash(aConnection['C']) +
116 s.asString(10) +
117 A.asString(10) +
118 aConnection['B'].asString(10) +
119 K
120 );
110 if (someParameters.parameters.M1 == M1) { 121 if (someParameters.parameters.M1 == M1) {
@@ -112,3 +123,7 @@ Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.LocalStorageDataStore, Clipperz.P
112 123
113 M2 = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + someParameters.parameters.M1 + K)).toHexString().slice(2); 124 M2 = stringHash(
125 A.asString(10) +
126 someParameters.parameters.M1 +
127 K
128 );
114 result['M2'] = M2; 129 result['M2'] = M2;