// Token: 0x0600000E RID: 14 RVA: 0x000022E8 File Offset: 0x000004E8
private IntPtr OpenAlgorithmProvider(string alg, string provider, string chainingMode)
{
IntPtr zero = IntPtr.Zero;
uint num = BCrypt.BCryptOpenAlgorithmProvider(out zero, alg, provider, 0U);
bool flag = num > 0U;
if (flag)
{
throw new CryptographicException(string.Format("BCrypt.BCryptOpenAlgorithmProvider() failed with status code:{0}", num));
}
byte[] bytes = Encoding.Unicode.GetBytes(chainingMode);
num = BCrypt.BCryptSetAlgorithmProperty(zero, BCrypt.BCRYPT_CHAINING_MODE, bytes, bytes.Length, 0);
bool flag2 = num > 0U;
if (flag2)
{
throw new CryptographicException(string.Format("BCrypt.BCryptSetAlgorithmProperty(BCrypt.BCRYPT_CHAINING_MODE, BCrypt.BCRYPT_CHAIN_MODE_GCM) failed with status code:{0}", num));
}
return(zero);
}
private IntPtr OpenAlgorithmProvider(string alg, string provider, string chainingMode)
{
IntPtr hAlg = IntPtr.Zero;
uint status = BCrypt.BCryptOpenAlgorithmProvider(out hAlg, alg, provider, 0x0);
if (status != BCrypt.ERROR_SUCCESS)
{
throw new CryptographicException(string.Format("BCrypt.BCryptOpenAlgorithmProvider() failed with status code:{0}", status));
}
byte[] chainMode = Encoding.Unicode.GetBytes(chainingMode);
status = BCrypt.BCryptSetAlgorithmProperty(hAlg, BCrypt.BCRYPT_CHAINING_MODE, chainMode, chainMode.Length, 0x0);
if (status != BCrypt.ERROR_SUCCESS)
{
throw new CryptographicException(string.Format("BCrypt.BCryptSetAlgorithmProperty(BCrypt.BCRYPT_CHAINING_MODE, BCrypt.BCRYPT_CHAIN_MODE_GCM) failed with status code:{0}", status));
}
return(hAlg);
}