public byte[] CryptDeriveKey(string?algname, string?alghashname, int keySize, byte[] rgbIV)
{
if (keySize < 0)
{
throw new CryptographicException(SR.Cryptography_InvalidKeySize);
}
int algidhash = CapiHelper.NameOrOidToHashAlgId(alghashname, OidGroup.HashAlgorithm);
if (algidhash == 0)
{
throw new CryptographicException(SR.Cryptography_PasswordDerivedBytes_InvalidAlgorithm);
}
int algid = CapiHelper.NameOrOidToHashAlgId(algname, OidGroup.All);
if (algid == 0)
{
throw new CryptographicException(SR.Cryptography_PasswordDerivedBytes_InvalidAlgorithm);
}
if (rgbIV == null)
{
throw new CryptographicException(SR.Cryptography_PasswordDerivedBytes_InvalidIV);
}
byte[]? key = null;
CapiHelper.DeriveKey(ProvHandle, algid, algidhash, _password, _password.Length, keySize << 16, rgbIV, rgbIV.Length, ref key);
return(key);
}
