public void ComputeHash(HashAlgorithm algorithm)
{
if (this.CanonicalizationMethod != "http://www.w3.org/2001/10/xml-exc-c14n#")
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CryptographicException(System.IdentityModel.SR.GetString("UnsupportedTransformAlgorithm")));
}
HashStream hashStream = this.ResourcePool.TakeHashStream(algorithm);
this.ComputeHash(hashStream);
hashStream.FlushHash();
}
public void ProcessAndDigest(object input, SignatureResourcePool resourcePool, HashAlgorithm hash, DictionaryManager dictionaryManger)
{
HashStream hashStream = resourcePool.TakeHashStream(hash);
XmlReader reader = input as XmlReader;
if (reader != null)
{
this.ProcessReaderInput(reader, resourcePool, hashStream);
}
else
{
if (!(input is ISecurityElement))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(System.IdentityModel.SR.GetString("UnsupportedInputTypeForTransform", new object[] { input.GetType() })));
}
XmlDictionaryWriter writer = resourcePool.TakeUtf8Writer();
writer.StartCanonicalization(hashStream, this.IncludeComments, this.GetInclusivePrefixes());
(input as ISecurityElement).WriteTo(writer, dictionaryManger);
writer.EndCanonicalization();
}
hashStream.FlushHash();
}