CreateTransform()

ICryptoTransform Internal.Cryptography.RC2Implementation.CreateTransform ( byte[] rgbKey, byte[] rgbIV, bool encrypting )

inlineprivate

Definition at line 54 of file RC2Implementation.cs.

    {
        if (rgbKey == null)
        {
            throw new ArgumentNullException("rgbKey");
        }
        if (!ValidKeySize(rgbKey.Length, out var keySizeBits))
        {
            throw new ArgumentException(System.SR.Cryptography_InvalidKeySize, "rgbKey");
        }
        if (rgbIV != null)
        {
            long num = (long)rgbIV.Length * 8L;
            if (num != BlockSize)
            {
                throw new ArgumentException(System.SR.Cryptography_InvalidIVSize, "rgbIV");
            }
        }
        if (Mode == CipherMode.CFB)
        {
            ValidateCFBFeedbackSize(FeedbackSize);
        }
        int effectiveKeyLength = ((EffectiveKeySizeValue == 0) ? keySizeBits : EffectiveKeySize);
        return CreateTransformCore(Mode, Padding, rgbKey, effectiveKeyLength, rgbIV, BlockSize / 8, FeedbackSize / 8, GetPaddingSize(), encrypting);
    }

References System.Security.Cryptography.SymmetricAlgorithm.BlockSize, Internal.Cryptography.RC2Implementation.CreateTransformCore(), System.SR.Cryptography_InvalidIVSize, System.SR.Cryptography_InvalidKeySize, Internal.Cryptography.RC2Implementation.EffectiveKeySize, System.Security.Cryptography.RC2.EffectiveKeySizeValue, System.Security.Cryptography.SymmetricAlgorithm.FeedbackSize, Internal.Cryptography.RC2Implementation.GetPaddingSize(), System.L, System.Security.Cryptography.SymmetricAlgorithm.Padding, Internal.Cryptography.RC2Implementation.ValidateCFBFeedbackSize(), and Internal.Cryptography.RC2Implementation.ValidKeySize().

Referenced by Internal.Cryptography.RC2Implementation.CreateDecryptor(), Internal.Cryptography.RC2Implementation.CreateDecryptor(), Internal.Cryptography.RC2Implementation.CreateEncryptor(), and Internal.Cryptography.RC2Implementation.CreateEncryptor().