public override bool VerifyHash(byte[] hash, byte[] signature)
{
if (hash == null)
{
throw new ArgumentNullException("hash");
}
if (signature == null)
{
throw new ArgumentNullException("signature");
}
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
SafeNCryptKeyHandle key = this.Key.Handle;
CodeAccessPermission.RevertAssert();
return(NCryptNative.VerifySignature(key, hash, signature));
}
public override bool VerifySignature(byte[] rgbHash, byte[] rgbSignature)
{
if (rgbHash == null)
{
throw new ArgumentNullException("rgbHash");
}
if (rgbSignature == null)
{
throw new ArgumentNullException("rgbSignature");
}
rgbHash = AdjustHashSizeIfNecessary(rgbHash);
return(NCryptNative.VerifySignature(KeyHandle, rgbHash, rgbSignature));
}
public override bool VerifyHash(byte[] hash, byte[] signature)
{
if (hash == null)
{
throw new ArgumentNullException("hash");
}
if (signature == null)
{
throw new ArgumentNullException("signature");
}
// We need to get the raw key handle to verify the signature. Asserting here is safe since verifiation
// is not a protected operation, and we do not expose the handle to the user code.
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
// This looks odd, but Key.Handle is really a duplicate so we need to dispose it
using (SafeNCryptKeyHandle keyHandle = Key.Handle) {
CodeAccessPermission.RevertAssert();
return(NCryptNative.VerifySignature(keyHandle, hash, signature));
}
}
