CryptDeriveKey()

byte[] System.Security.Cryptography.PasswordDeriveBytes.CryptDeriveKey ( string? algname, string? alghashname, int keySize, byte[] rgbIV )

inline

Definition at line 306 of file PasswordDeriveBytes.cs.

    {
        if (keySize < 0)
        {
            throw new CryptographicException(System.SR.Cryptography_InvalidKeySize);
        }
        int num = CapiHelper.NameOrOidToHashAlgId(alghashname, OidGroup.HashAlgorithm);
        if (num == 0)
        {
            throw new CryptographicException(System.SR.Cryptography_PasswordDerivedBytes_InvalidAlgorithm);
        }
        int num2 = CapiHelper.NameOrOidToHashAlgId(algname, OidGroup.All);
        if (num2 == 0)
        {
            throw new CryptographicException(System.SR.Cryptography_PasswordDerivedBytes_InvalidAlgorithm);
        }
        if (rgbIV == null)
        {
            throw new CryptographicException(System.SR.Cryptography_PasswordDerivedBytes_InvalidIV);
        }
        byte[] pbKey = null;
        CapiHelper.DeriveKey(ProvHandle, num2, num, _password, _password.Length, keySize << 16, rgbIV, rgbIV.Length, ref pbKey);
        return pbKey;
    }

References System.Security.Cryptography.PasswordDeriveBytes._password, System.SR.Cryptography_InvalidKeySize, System.SR.Cryptography_PasswordDerivedBytes_InvalidAlgorithm, System.SR.Cryptography_PasswordDerivedBytes_InvalidIV, Internal.NativeCrypto.CapiHelper.DeriveKey(), Internal.NativeCrypto.CapiHelper.NameOrOidToHashAlgId(), and System.Security.Cryptography.PasswordDeriveBytes.ProvHandle.