diff options
Diffstat (limited to 'src/DotNetOpenId/Provider/ProviderSession.cs')
| -rw-r--r-- | src/DotNetOpenId/Provider/ProviderSession.cs | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/DotNetOpenId/Provider/ProviderSession.cs b/src/DotNetOpenId/Provider/ProviderSession.cs index b524399..bbfd278 100644 --- a/src/DotNetOpenId/Provider/ProviderSession.cs +++ b/src/DotNetOpenId/Provider/ProviderSession.cs @@ -77,8 +77,8 @@ namespace DotNetOpenId.Provider { sessionType = Util.GetRequiredArg(provider.Query, Protocol.openid.session_type);
Debug.Assert(Array.IndexOf(Protocol.Args.SessionType.AllDiffieHellman, sessionType) >= 0, "We should not have been invoked if this wasn't a recognized DH session request.");
- byte[] dh_modulus = Util.GetOptionalBase64Arg(Provider.Query, Protocol.openid.dh_modulus) ?? CryptUtil.DEFAULT_MOD;
- byte[] dh_gen = Util.GetOptionalBase64Arg(Provider.Query, Protocol.openid.dh_gen) ?? CryptUtil.DEFAULT_GEN;
+ byte[] dh_modulus = Util.GetOptionalBase64Arg(Provider.Query, Protocol.openid.dh_modulus) ?? DiffieHellmanUtil.DEFAULT_MOD;
+ byte[] dh_gen = Util.GetOptionalBase64Arg(Provider.Query, Protocol.openid.dh_gen) ?? DiffieHellmanUtil.DEFAULT_GEN;
dh = new DiffieHellmanManaged(dh_modulus, dh_gen, 1024);
consumerPublicKey = Util.GetRequiredBase64Arg(Provider.Query, Protocol.openid.dh_consumer_public);
@@ -89,13 +89,11 @@ namespace DotNetOpenId.Provider { }
public override Dictionary<string, string> Answer(byte[] secret) {
- bool useSha256 = SessionType.Equals(Protocol.Args.SessionType.DH_SHA256, StringComparison.Ordinal);
- byte[] mac_key = CryptUtil.SHAHashXorSecret(
- useSha256 ? (HashAlgorithm) CryptUtil.Sha256 : CryptUtil.Sha1,
+ byte[] mac_key = DiffieHellmanUtil.SHAHashXorSecret(DiffieHellmanUtil.Lookup(Protocol, SessionType),
dh, consumerPublicKey, secret);
var nvc = new Dictionary<string, string>();
- nvc.Add(Protocol.openidnp.dh_server_public, CryptUtil.UnsignedToBase64(dh.CreateKeyExchange()));
+ nvc.Add(Protocol.openidnp.dh_server_public, DiffieHellmanUtil.UnsignedToBase64(dh.CreateKeyExchange()));
nvc.Add(Protocol.openidnp.enc_mac_key, Convert.ToBase64String(mac_key));
return nvc;
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