/usr/include/botan/cfb.h is in libbotan1.8-dev 1.8.13-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | /*
* CFB Mode
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_CFB_H__
#define BOTAN_CFB_H__
#include <botan/modebase.h>
namespace Botan {
/*
* CFB Encryption
*/
class BOTAN_DLL CFB_Encryption : public BlockCipherMode
{
public:
CFB_Encryption(BlockCipher*, u32bit = 0);
CFB_Encryption(BlockCipher*, const SymmetricKey&,
const InitializationVector&, u32bit = 0);
private:
void write(const byte[], u32bit);
void feedback();
const u32bit FEEDBACK_SIZE;
};
/*
* CFB Decryption
*/
class BOTAN_DLL CFB_Decryption : public BlockCipherMode
{
public:
CFB_Decryption(BlockCipher*, u32bit = 0);
CFB_Decryption(BlockCipher*, const SymmetricKey&,
const InitializationVector&, u32bit = 0);
private:
void write(const byte[], u32bit);
void feedback();
const u32bit FEEDBACK_SIZE;
};
}
#endif
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