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Update myserpent.h

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change the interface
This commit is contained in:
GGSuchao
2017-04-06 12:25:05 +08:00
committed by Simon
parent 41411e2f9b
commit 3476cfd33e
1 changed files with 100 additions and 17 deletions
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117
myserpent.h
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@@ -1,19 +1,102 @@
#ifndef MYSERPENT_H
#define MYSERPENT_H
unsigned char takebit(unsigned char bit_num);
unsigned long int sb(char sb_num,unsigned long int sb_in_long);
void linear(IN unsigned long int *li_0,IN unsigned long int *li_1,IN unsigned long int *li_2,IN unsigned long int *li_3,OUT unsigned long int *lo_0,OUT unsigned long int *lo_1,OUT unsigned long int *lo_2,OUT unsigned long int *lo_3);
void IP(IN unsigned long int *ip_i0,IN unsigned long int *ip_i1,IN unsigned long int *ip_i2,IN unsigned long int *ip_i3,OUT unsigned long int *ip_o0,OUT unsigned long int *ip_o1,OUT unsigned long int *ip_o2,OUT unsigned long int *ip_o3);
void FP(IN unsigned long int *fp_i0,IN unsigned long int *fp_i1,IN unsigned long int *fp_i2,IN unsigned long int *fp_i3,OUT unsigned long int *fp_o0,OUT unsigned long int *fp_o1,OUT unsigned long int *fp_o2,OUT unsigned long int *fp_o3);
extern char sb0(char sb0_in);
extern char sb1(char sb1_in);
extern char sb2(char sb2_in);
extern char sb3(char sb3_in);
extern char sb4(char sb4_in);
extern char sb5(char sb5_in);
extern char sb6(char sb6_in);
extern char sb7(char sb7_in);
#define rotl(x,n) (((x) << ((int)(n))) | ((x) >> (32 - (int)(n))))
#define rotr(x,n) (((x) >> ((int)(n))) | ((x) << (32 - (int)(n))))
/**
Copyright © 2015 Odzhan
Copyright © 2008 Daniel Otte
All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AUTHORS "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
#ifndef SERPENT_H
#define SERPENT_H
#include <stdint.h>
#ifdef INTRINSICS
#define memcpy(x,y,z) __movsb(x,y,z)
#define memmove(x,y,z) __movsb(x,y,z)
#define memset(x,y,z) __stosb(x,y,z)
#define ROTL32(x,r) _rotl(x,r)
#define ROTR32(x,r) _rotr(x,r)
#else
#define U8V(v) ((uint8_t)(v) & 0xFFU)
#define U16V(v) ((uint16_t)(v) & 0xFFFFU)
#define U32V(v) ((uint32_t)(v) & 0xFFFFFFFFUL)
#define U64V(v) ((uint64_t)(v) & 0xFFFFFFFFFFFFFFFFULL)
#define ROTL8(v, n) \
(U8V((v) << (n)) | ((v) >> (8 - (n))))
#define ROTL16(v, n) \
(U16V((v) << (n)) | ((v) >> (16 - (n))))
#define ROTL32(v, n) \
(U32V((v) << (n)) | ((v) >> (32 - (n))))
#define ROTL64(v, n) \
(U64V((v) << (n)) | ((v) >> (64 - (n))))
#define ROTR8(v, n) ROTL8(v, 8 - (n))
#define ROTR16(v, n) ROTL16(v, 16 - (n))
#define ROTR32(v, n) ROTL32(v, 32 - (n))
#define ROTR64(v, n) ROTL64(v, 64 - (n))
#endif
#define GOLDEN_RATIO 0x9e3779b9l
#define SERPENT_ROUNDS 32
#define SERPENT_BLK_LEN 16
#define SERPENT_KEY256 32
#define SERPENT_ENCRYPT 0
#define SERPENT_DECRYPT 1
#define SERPENT_IP 0
#define SERPENT_FP 1
typedef union _serpent_blk_t {
uint8_t b[SERPENT_BLK_LEN];
uint32_t w[SERPENT_BLK_LEN / 4];
uint64_t q[SERPENT_BLK_LEN / 2];
} serpent_blk;
typedef uint32_t serpent_subkey_t[4];
typedef struct {
serpent_subkey_t x[SERPENT_ROUNDS + 1];
} serpent_key_t;
#ifdef __cplusplus
extern "C" {
#endif
// C code
void serpent_set_encrypt_key(serpent_key_t *key, const unsigned char *user_key);
void serpent_encrypt(void *in, serpent_key_t *key);
void serpent_decrypt(void *in, serpent_key_t *key);
#ifdef __cplusplus
}
#endif
#endif