GetCiphertextLength() [3/3]

int Internal.Cryptography.UniversalCryptoEncryptor.GetCiphertextLength ( int plaintextLength )

inlineprivate

Definition at line 31 of file UniversalCryptoEncryptor.cs.

    {
        int result;
        int num = Math.DivRem(plaintextLength, base.PaddingSizeBytes, out result) * base.PaddingSizeBytes;
        switch (base.PaddingMode)
        {
        case PaddingMode.None:
            if (result != 0)
            {
                throw new CryptographicException(System.SR.Cryptography_PartialBlock);
            }
            goto IL_004c;
        case PaddingMode.Zeros:
            if (result == 0)
            {
                goto IL_004c;
            }
            goto case PaddingMode.PKCS7;
        case PaddingMode.PKCS7:
        case PaddingMode.ANSIX923:
        case PaddingMode.ISO10126:
            return checked(num + base.PaddingSizeBytes);
        default:
            {
                throw new CryptographicException(System.SR.Cryptography_UnknownPaddingMode);
            }
            IL_004c:
            return plaintextLength;
        }
    }

References System.SR.Cryptography_PartialBlock, System.SR.Cryptography_UnknownPaddingMode, and System.Math.DivRem().