/usr/include/botan-1.10/botan/des.h is in libbotan1.10-dev 1.10.12-1.
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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | /*
* DES
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_DES_H__
#define BOTAN_DES_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* DES
*/
class BOTAN_DLL DES : public Block_Cipher_Fixed_Params<8, 8>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const;
void decrypt_n(const byte in[], byte out[], size_t blocks) const;
void clear() { zeroise(round_key); }
std::string name() const { return "DES"; }
BlockCipher* clone() const { return new DES; }
DES() : round_key(32) {}
private:
void key_schedule(const byte[], size_t);
SecureVector<u32bit> round_key;
};
/**
* Triple DES
*/
class BOTAN_DLL TripleDES : public Block_Cipher_Fixed_Params<8, 16, 24, 8>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const;
void decrypt_n(const byte in[], byte out[], size_t blocks) const;
void clear() { zeroise(round_key); }
std::string name() const { return "TripleDES"; }
BlockCipher* clone() const { return new TripleDES; }
TripleDES() : round_key(96) {}
private:
void key_schedule(const byte[], size_t);
SecureVector<u32bit> round_key;
};
/*
* DES Tables
*/
extern const u32bit DES_SPBOX1[256];
extern const u32bit DES_SPBOX2[256];
extern const u32bit DES_SPBOX3[256];
extern const u32bit DES_SPBOX4[256];
extern const u32bit DES_SPBOX5[256];
extern const u32bit DES_SPBOX6[256];
extern const u32bit DES_SPBOX7[256];
extern const u32bit DES_SPBOX8[256];
extern const u64bit DES_IPTAB1[256];
extern const u64bit DES_IPTAB2[256];
extern const u64bit DES_FPTAB1[256];
extern const u64bit DES_FPTAB2[256];
}
#endif
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