public void VerifySignatureAlgorithm (ITlsContext ctx, SignatureAndHashAlgorithm algorithm)
{
AssertTls12 (ctx);
if (!ctx.IsAlgorithmSupported (algorithm))
throw new TlsException (AlertDescription.IlegalParameter);
}
public void Add(SignatureAndHashAlgorithm algorithm)
{
SignatureAndHashAlgorithms.Add(algorithm);
}
public virtual void AssertServerSignatureAlgorithm (ITlsContext ctx, SignatureAndHashAlgorithm algorithm)
{
if (ctx.IsServer)
throw new InvalidOperationException ();
AssertTls12 (ctx);
VerifySignatureAlgorithm (ctx, algorithm);
if (ctx.HasCurrentSignatureParameters && ctx.CurrentSignatureParameters != null) {
if (!ctx.CurrentSignatureParameters.SignatureAndHashAlgorithms.Contains (algorithm))
throw new TlsException (AlertDescription.IlegalParameter);
} else if (!algorithm.Equals (SignatureParameters.DefaultAlgorithm)) {
throw new TlsException (AlertDescription.IlegalParameter);
}
}
public virtual void AssertCertificateVerifySignatureAlgorithm (ITlsContext ctx, SignatureAndHashAlgorithm algorithm)
{
if (!ctx.IsServer)
throw new InvalidOperationException ();
AssertTls12 (ctx);
VerifySignatureAlgorithm (ctx, algorithm);
ClientCertificateParameters parameters;
if (ctx.HasClientCertificateParameters && ctx.ClientCertificateParameters != null)
parameters = ctx.ClientCertificateParameters;
else
parameters = null;
if (parameters != null && parameters.HasSignatureParameters && parameters.SignatureParameters != null) {
if (!parameters.SignatureParameters.SignatureAndHashAlgorithms.Contains (algorithm))
throw new TlsException (AlertDescription.IlegalParameter);
} else if (!algorithm.Equals (SignatureParameters.DefaultAlgorithm)) {
throw new TlsException (AlertDescription.IlegalParameter);
}
}
public virtual void AssertClientSignatureAlgorithm (ITlsContext ctx, SignatureAndHashAlgorithm algorithm)
{
if (!ctx.IsServer)
throw new InvalidOperationException ();
AssertTls12 (ctx);
VerifySignatureAlgorithm (ctx, algorithm);
}
public bool IsAlgorithmSupported (SignatureAndHashAlgorithm algorithm)
{
if (HasNegotiatedProtocol && NegotiatedProtocol != TlsProtocolCode.Tls12)
throw new TlsException (AlertDescription.IlegalParameter);
return SignatureHelper.IsAlgorithmSupported (algorithm);
}
public virtual void AssertCertificateVerifySignatureAlgorithm(ITlsContext ctx, SignatureAndHashAlgorithm algorithm)
{
if (!ctx.IsServer)
{
throw new InvalidOperationException();
}
AssertTls12(ctx);
VerifySignatureAlgorithm(ctx, algorithm);
ClientCertificateParameters parameters;
if (ctx.HasClientCertificateParameters && ctx.ClientCertificateParameters != null)
{
parameters = ctx.ClientCertificateParameters;
}
else
{
parameters = null;
}
if (parameters != null && parameters.HasSignatureParameters && parameters.SignatureParameters != null)
{
if (!parameters.SignatureParameters.SignatureAndHashAlgorithms.Contains(algorithm))
{
throw new TlsException(AlertDescription.IlegalParameter);
}
}
else if (!algorithm.Equals(SignatureParameters.DefaultAlgorithm))
{
throw new TlsException(AlertDescription.IlegalParameter);
}
}
public void Add (SignatureAndHashAlgorithm algorithm)
{
SignatureAndHashAlgorithms.Add (algorithm);
}
protected override SignatureAndHashAlgorithm SelectSignatureAlgorithm ()
{
var algorithm = base.SelectSignatureAlgorithm ();
DebugHelper.WriteLine ("SIGNATURE ALGORITHM: {0}", algorithm);
algorithm = new SignatureAndHashAlgorithm (HashAlgorithmType.Sha1, SignatureAlgorithmType.Rsa);
DebugHelper.WriteLine ("NEW SIGNATURE ALGORITHM: {0}", algorithm);
return algorithm;
}
