public static byte[] Decrypt(byte[] cipherText, CngKey key, CngAlgorithm hash)
{
uint num;
BCrypt.BCRYPT_OAEP_PADDING_INFO bCRYPTOAEPPADDINGINFO = new BCrypt.BCRYPT_OAEP_PADDING_INFO(hash.Algorithm);
uint num1 = NCrypt.NCryptDecrypt(key.Handle, cipherText, (int)cipherText.Length, ref bCRYPTOAEPPADDINGINFO, null, 0, out num, 4);
if (num1 != 0)
{
throw new CryptographicException(string.Format("NCrypt.Decrypt() (plaintext buffer size) failed with status code:{0}", num1));
}
byte[] numArray = new byte[num];
num1 = NCrypt.NCryptDecrypt(key.Handle, cipherText, (int)cipherText.Length, ref bCRYPTOAEPPADDINGINFO, numArray, num, out num, 4);
if (num1 != 0)
{
throw new CryptographicException(string.Format("NCrypt.Decrypt() failed with status code:{0}", num1));
}
return(numArray);
}
public static byte[] Decrypt(byte[] cipherText, CngKey key, CngAlgorithm hash)
{
var paddingInfo = new BCrypt.BCRYPT_OAEP_PADDING_INFO(hash.Algorithm);
uint plainTextByteSize;
uint status = NCrypt.NCryptDecrypt(key.Handle, cipherText, cipherText.Length, ref paddingInfo, null, 0, out plainTextByteSize, BCrypt.BCRYPT_PAD_OAEP);
if (status != BCrypt.ERROR_SUCCESS)
{
throw new CryptographicException(string.Format("NCrypt.Decrypt() (plaintext buffer size) failed with status code:{0}", status));
}
var plainText = new byte[plainTextByteSize];
status = NCrypt.NCryptDecrypt(key.Handle, cipherText, cipherText.Length, ref paddingInfo, plainText, plainTextByteSize, out plainTextByteSize, BCrypt.BCRYPT_PAD_OAEP);
if (status != BCrypt.ERROR_SUCCESS)
{
throw new CryptographicException(string.Format("NCrypt.Decrypt() failed with status code:{0}", status));
}
return(plainText);
}