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#ifndef TWOFISH_H
#define TWOFISH_H
#include "Common/Tcdefs.h"
#include "config.h"
#if defined(__cplusplus)
extern "C"
{
#endif
#ifndef u4byte
#define u4byte unsigned __int32
#endif
#ifndef u1byte
#define u1byte unsigned char
#endif
#ifndef extract_byte
#define extract_byte(x,n) ((u1byte)((x) >> (8 * n)))
#endif
#ifndef rotl
#ifdef _WIN32
#include <stdlib.h>
#pragma intrinsic(_lrotr,_lrotl)
#define rotr(x,n) _lrotr(x,n)
#define rotl(x,n) _lrotl(x,n)
#else
#define rotr(x,n) (((x)>>(n))|((x)<<(32-(n))))
#define rotl(x,n) (((x)<<(n))|((x)>>(32-(n))))
#endif
#endif
typedef struct
{
#if CRYPTOPP_BOOL_X64 && !defined(CRYPTOPP_DISABLE_ASM)
u4byte mk_tab[4][256], w[8], k[32];
#else
u4byte l_key[40];
#ifdef TC_MINIMIZE_CODE_SIZE
u4byte s_key[4];
#ifdef TC_WINDOWS_BOOT_TWOFISH
u4byte mk_tab[4 * 256];
#endif
#else
u4byte mk_tab[4][256];
#endif
#endif
} TwofishInstance;
#define TWOFISH_KS sizeof(TwofishInstance)
/* in_key must be 32-bytes long */
void twofish_set_key(TwofishInstance *instance, const u4byte in_key[]);
#if CRYPTOPP_BOOL_X64 && !defined(CRYPTOPP_DISABLE_ASM)
void twofish_encrypt_blocks(TwofishInstance *instance, const byte* in_blk, byte* out_blk, uint32 blockCount);
void twofish_decrypt_blocks(TwofishInstance *instance, const byte* in_blk, byte* out_blk, uint32 blockCount);
#define twofish_encrypt(instance,in_blk,out_blk) twofish_encrypt_blocks(instance, (const byte*) in_blk, (byte*) out_blk, 1)
#define twofish_decrypt(instance,in_blk,out_blk) twofish_decrypt_blocks(instance, (const byte*) in_blk, (byte*) out_blk, 1)
#else
void twofish_encrypt(TwofishInstance *instance, const u4byte in_blk[4], u4byte out_blk[4]);
void twofish_decrypt(TwofishInstance *instance, const u4byte in_blk[4], u4byte out_blk[4]);
#endif
#if defined(__cplusplus)
}
#endif
#endif // TWOFISH_H
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