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add zeromem engine

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anti memory leakage attack
This commit is contained in:
Zhi Guan
2017-03-16 23:20:13 +08:00
parent 3090de8951
commit 7f24b7229e
19 changed files with 3648 additions and 0 deletions
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82
engines/zeromem/util.h Executable file
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#ifndef _UTIL_H_
#define _UTIL_H_
#include "ec.h"
#include <openssl/bn.h>
//#define DEBUG
//#define PRINT_DEC
#ifdef PRINT_DEC
#define BN_bn2str(bn) BN_bn2dec(bn)
#else
#define BN_bn2str(bn) BN_bn2hex(bn)
#endif
extern void dummy_print(const char* format, ...);
#ifdef DEBUG
#define debug printf
#else
#define debug dummy_print
#endif
extern unsigned int sqr_table[1 << 16];
#define rdtsc_begin(hi, lo)\
asm volatile ("CPUID\n\t"\
"RDTSCP\n\t"\
"movq %%rdx, %0\n\t"\
"movq %%rax, %1\n\t" : "=r" (hi), "=r" (lo) :: "%rax", "%rbx", "%rcx", "%rdx");
#define rdtsc_end(hi, lo)\
asm volatile ("RDTSCP\n\t"\
"movq %%rdx, %0\n\t"\
"movq %%rax, %1\n\t"\
"CPUID\n\t" : "=r" (hi), "=r" (lo) :: "%rax", "%rbx", "%rcx", "%rdx");
typedef struct {
BIGNUM *X;
BIGNUM *Y;
BIGNUM *Z;
} ec_point_t;
typedef struct{
const struct EC_METHOD *meth;
/* All members except 'meth' are handled by the method functions,
* even if they appear generic */
BIGNUM X;
BIGNUM Y;
BIGNUM Z; /* Jacobian projective coordinates:
* (X, Y, Z) represents (X/Z^2, Y/Z^3) if Z != 0 */
int Z_is_one; /* enable optimized point arithmetics for special case */
} ec_point_st /* EC_POINT */;
extern void init_sqr_table();
extern void bn_to_mm256(const BIGNUM* bn, mm_256 *m);
extern void mm256_to_bn(const mm_256 *m, BIGNUM* bn);
extern void bn_point_to_mm_point(const ec_point_t* src, mm256_point_t* dst);
extern void mm_point_to_bn_point(const mm256_point_t* src, ec_point_t* dst);
extern void EC_POINT_to_mm_point(const ec_point_st* src, mm256_point_t* dst);
extern void mm_point_to_EC_POINT(const mm256_point_t* src, ec_point_st* dst);
extern void ec_point_init(ec_point_t *P);
extern void ec_point_free(ec_point_t *P);
extern int cmp_mm_256_with_bn(mm_256* a, BIGNUM* bn);
extern int cmp_mm_point_with_bn_point(mm256_point_t* a, ec_point_t* b);
extern void print_affine_bn_point(ec_point_t* p);
extern void print_affine_mm_point(mm256_point_t* p);
extern void print_bn_point(ec_point_t* p);
extern void print_mm_point(mm256_point_t* p);
extern void print_EC_POINT(ec_point_st* p);
extern void printHex(uint8_t* str, uint32_t len);
extern void save_ymm_group(uint8_t* buf);
extern void load_ymm_group(uint8_t* buf);
#endif