internal static extern ErrorCode NCryptSignHash(SafeNCryptKeyHandle hKey,
[In] ref BCryptNative.BCRYPT_PSS_PADDING_INFO pPaddingInfo,
[In, MarshalAs(UnmanagedType.LPArray)] byte[] pbHashValue,
int cbHashValue,
[Out, MarshalAs(UnmanagedType.LPArray)] byte[] pbSignature,
int cbSignature,
[Out] out int pcbResult,
AsymmetricPaddingMode dwFlags);
internal static byte[] SignHashPss(SafeNCryptKeyHandle key,
byte[] hash,
string hashAlgorithm,
int saltBytes)
{
Debug.Assert(key != null, "key != null");
Debug.Assert(!key.IsClosed && !key.IsInvalid, "!key.IsClosed && !key.IsInvalid");
Debug.Assert(hash != null, "hash != null");
Debug.Assert(!String.IsNullOrEmpty(hashAlgorithm), "!String.IsNullOrEmpty(hashAlgorithm)");
Debug.Assert(saltBytes >= 0, "saltBytes >= 0");
BCryptNative.BCRYPT_PSS_PADDING_INFO pssInfo = new BCryptNative.BCRYPT_PSS_PADDING_INFO();
pssInfo.pszAlgId = hashAlgorithm;
pssInfo.cbSalt = saltBytes;
return(SignHash(key,
hash,
ref pssInfo,
AsymmetricPaddingMode.Pss,
UnsafeNativeMethods.NCryptSignHash));
}