DecryptCfb() [2/3]

byte[] System.Security.Cryptography.SymmetricAlgorithm.DecryptCfb ( ReadOnlySpan< byte > ciphertext, ReadOnlySpan< byte > iv, PaddingMode paddingMode = PaddingMode::None, int feedbackSizeInBits = 8 )

inlineinherited

Definition at line 523 of file SymmetricAlgorithm.cs.

    {
        CheckPaddingMode(paddingMode);
        CheckInitializationVectorSize(iv);
        CheckFeedbackSize(feedbackSizeInBits);
        byte[] array = GC.AllocateUninitializedArray<byte>(ciphertext.Length);
        if (!TryDecryptCfbCore(ciphertext, iv, array, paddingMode, feedbackSizeInBits, out var bytesWritten) || (uint)bytesWritten > array.Length)
        {
            throw new CryptographicException(System.SR.Argument_DestinationTooShort);
        }
        Array.Resize(ref array, bytesWritten);
        return array;
    }

References System.SR.Argument_DestinationTooShort, System.array, System.Security.Cryptography.SymmetricAlgorithm.CheckFeedbackSize(), System.Security.Cryptography.SymmetricAlgorithm.CheckInitializationVectorSize(), System.Security.Cryptography.SymmetricAlgorithm.CheckPaddingMode(), System.ReadOnlySpan< T >.Length, and System.Security.Cryptography.SymmetricAlgorithm.TryDecryptCfbCore().