protected override void DecodeDataBytes(byte[] data)
{
if (data.Length < 2 || (data.Length % 2) != 0)
{
throw new AlertException(AlertDescription.IllegalParameter, "SignatureAlgorithms extension data length invalid: " + data.Length);
}
int len = (data[0] << 8) | data[1];
if (len != data.Length - 2)
{
throw new AlertException(AlertDescription.IllegalParameter, "SignatureAlgorithms extension data invalid");
}
for (int i = 0; i < len / 2; i++)
{
var tuple = new SignatureAndHashAlgorithm
{
HashAlgorithm = (HashAlgorithmType)(data[2 + i * 2]),
SignatureAlgorithm = (SignatureAlgorithmType)data[2 + i * 2 + 1]
};
SupportedSignatureAlgorithms.Add(tuple);
}
}
public HelloSignatureAlgorithmsExtension(SignatureAndHashAlgorithm[] supported)
: base(HelloExtensionType.SignatureAlgorithms)
{
this.SupportedSignatureAlgorithms = new List<SignatureAndHashAlgorithm>(supported);
}