public static string Test1()
{
DiffieHellman dh1 = DiffieHellmanUtil.CreateDiffieHellman();
DiffieHellman dh2 = DiffieHellmanUtil.CreateDiffieHellman();
string secret1 = Convert.ToBase64String(dh1.DecryptKeyExchange(dh2.CreateKeyExchange()));
string secret2 = Convert.ToBase64String(dh2.DecryptKeyExchange(dh1.CreateKeyExchange()));
Assert.AreEqual(secret1, secret2, "Secret keys do not match for some reason.");
return(secret1);
}
public static AssociateRequest Create(OpenIdRelyingParty relyingParty, ServiceEndpoint provider, string assoc_type, string session_type, bool allowNoSession)
{
if (relyingParty == null)
{
throw new ArgumentNullException("relyingParty");
}
if (provider == null)
{
throw new ArgumentNullException("provider");
}
if (assoc_type == null)
{
throw new ArgumentNullException("assoc_type");
}
if (session_type == null)
{
throw new ArgumentNullException("session_type");
}
Debug.Assert(Array.IndexOf(provider.Protocol.Args.SignatureAlgorithm.All, assoc_type) >= 0);
Debug.Assert(Array.IndexOf(provider.Protocol.Args.SessionType.All, session_type) >= 0);
if (!HmacShaAssociation.IsDHSessionCompatible(provider.Protocol, assoc_type, session_type))
{
throw new OpenIdException(string.Format(CultureInfo.CurrentCulture,
Strings.IncompatibleAssociationAndSessionTypes, assoc_type, session_type));
}
var args = new Dictionary <string, string>();
Protocol protocol = provider.Protocol;
args.Add(protocol.openid.mode, protocol.Args.Mode.associate);
args.Add(protocol.openid.assoc_type, assoc_type);
DiffieHellman dh = null;
if (provider.ProviderEndpoint.Scheme == Uri.UriSchemeHttps && allowNoSession)
{
Logger.InfoFormat("Requesting association with {0} (assoc_type = '{1}', session_type = '{2}').",
provider.ProviderEndpoint, assoc_type, protocol.Args.SessionType.NoEncryption);
args.Add(protocol.openid.session_type, protocol.Args.SessionType.NoEncryption);
}
else
{
Logger.InfoFormat("Requesting association with {0} (assoc_type = '{1}', session_type = '{2}').",
provider.ProviderEndpoint, assoc_type, session_type);
// Initiate Diffie-Hellman Exchange
dh = DiffieHellmanUtil.CreateDiffieHellman();
byte[] dhPublic = dh.CreateKeyExchange();
string cpub = DiffieHellmanUtil.UnsignedToBase64(dhPublic);
args.Add(protocol.openid.session_type, session_type);
args.Add(protocol.openid.dh_consumer_public, cpub);
DHParameters dhps = dh.ExportParameters(true);
if (dhps.P != DiffieHellmanUtil.DEFAULT_MOD || dhps.G != DiffieHellmanUtil.DEFAULT_GEN)
{
args.Add(protocol.openid.dh_modulus, DiffieHellmanUtil.UnsignedToBase64(dhps.P));
args.Add(protocol.openid.dh_gen, DiffieHellmanUtil.UnsignedToBase64(dhps.G));
}
}
return(new AssociateRequest(relyingParty, provider, args, dh));
}