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SRP group as object

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This commit is contained in:
Quinn Slack 2011-04-19 16:26:44 -07:00
parent 945d6c4996
commit 57da29902f
2 changed files with 5 additions and 6 deletions
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4
core/srp.js
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@ -8,13 +8,13 @@
* @class SRP
*/
sjcl.keyexchange.srp = {
makeVerifier: function(I, P, s, N, g) {
makeVerifier: function(I, P, s, group) {
var x;
// From RFC 5054:
// v = g^x mod N
x = this.makeX(I, P, s);
x = sjcl.bn.fromBits(x);
return g.powermod(x, N);
return group.g.powermod(x, group.N);
},
makeX: function(I, P, s) {

7
test/srp_test.js
View file

@ -5,17 +5,16 @@ new sjcl.test.TestCase("SRP known-answer (RFC 5054) tests", function (cb) {
return;
}
var i, kat = sjcl.test.vector.srp, tv, N, g, v, x;
var i, kat = sjcl.test.vector.srp, tv, group, v, x;
for (i=0; i<kat.length; i++) {
tv = kat[i];
N = sjcl.keyexchange.srp.knownGroup(tv.known_group_size).N;
g = sjcl.keyexchange.srp.knownGroup(tv.known_group_size).g;
group = sjcl.keyexchange.srp.knownGroup(tv.known_group_size);
tv.s = sjcl.codec.hex.toBits(tv.s);
x = sjcl.keyexchange.srp.makeX(tv.I, tv.P, tv.s);
this.require(sjcl.codec.hex.fromBits(x).toUpperCase() === tv.x, "srpx #"+i);
v = sjcl.keyexchange.srp.makeVerifier(tv.I, tv.P, tv.s, N, g);
v = sjcl.keyexchange.srp.makeVerifier(tv.I, tv.P, tv.s, group);
this.require(v.equals(new sjcl.bn(tv.v)), "srpv #"+i);
}
cb && cb();