internal static IDigest GetSignerDigest(ISigner signer)
{
var fields = signer.GetType().GetFields(BindingFlags.Instance | BindingFlags.NonPublic);
var digestType = typeof(IDigest);
foreach (var field in fields)
{
if (digestType.IsAssignableFrom(field.FieldType))
{
return((IDigest)field.GetValue(signer));
}
}
throw new InvalidOperationException();
}
internal static void LogSigning(SignedXml signedXml,
object key,
ISigner signatureDescription)
{
Debug.Assert(signedXml != null, "signedXml != null");
Debug.Assert(signatureDescription != null, "signatureDescription != null");
if (InformationLoggingEnabled)
{
string logMessage = string.Format(CultureInfo.InvariantCulture,
SR.Log_SigningAsymmetric,
GetKeyName(key),
signatureDescription.GetType().Name,
signatureDescription.AlgorithmName,
"");
WriteLine(signedXml,
TraceEventType.Information,
SignedXmlDebugEvent.Signing,
logMessage);
}
}
internal static void LogVerifySignedInfo(SignedXml signedXml,
AsymmetricKeyParameter key,
ISigner signatureDescription,
byte[] actualHashValue,
byte[] signatureValue)
{
Debug.Assert(signedXml != null, "signedXml != null");
Debug.Assert(signatureDescription != null, "signatureDescription != null");
if (InformationLoggingEnabled)
{
string logMessage = string.Format(CultureInfo.InvariantCulture,
SR.Log_VerifySignedInfoAsymmetric,
GetKeyName(key),
signatureDescription.GetType().Name,
signatureDescription.AlgorithmName,
"");
WriteLine(signedXml,
TraceEventType.Information,
SignedXmlDebugEvent.VerifySignedInfo,
logMessage);
}
if (VerboseLoggingEnabled)
{
string hashLog = string.Format(CultureInfo.InvariantCulture,
SR.Log_ActualHashValue,
FormatBytes(actualHashValue));
WriteLine(signedXml, TraceEventType.Verbose, SignedXmlDebugEvent.VerifySignedInfo, hashLog);
string signatureLog = string.Format(CultureInfo.InvariantCulture,
SR.Log_RawSignatureValue,
FormatBytes(signatureValue));
WriteLine(signedXml, TraceEventType.Verbose, SignedXmlDebugEvent.VerifySignedInfo, signatureLog);
}
}