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83 lines
2.2 KiB
C
Executable File
83 lines
2.2 KiB
C
Executable File
#ifndef _UTIL_H_
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#define _UTIL_H_
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#include "ec.h"
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#include <openssl/bn.h>
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//#define DEBUG
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//#define PRINT_DEC
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#ifdef PRINT_DEC
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#define BN_bn2str(bn) BN_bn2dec(bn)
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#else
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#define BN_bn2str(bn) BN_bn2hex(bn)
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#endif
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extern void dummy_print(const char* format, ...);
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#ifdef DEBUG
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#define debug printf
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#else
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#define debug dummy_print
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#endif
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extern unsigned int sqr_table[1 << 16];
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#define rdtsc_begin(hi, lo)\
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asm volatile ("CPUID\n\t"\
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"RDTSCP\n\t"\
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"movq %%rdx, %0\n\t"\
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"movq %%rax, %1\n\t" : "=r" (hi), "=r" (lo) :: "%rax", "%rbx", "%rcx", "%rdx");
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#define rdtsc_end(hi, lo)\
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asm volatile ("RDTSCP\n\t"\
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"movq %%rdx, %0\n\t"\
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"movq %%rax, %1\n\t"\
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"CPUID\n\t" : "=r" (hi), "=r" (lo) :: "%rax", "%rbx", "%rcx", "%rdx");
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typedef struct {
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BIGNUM *X;
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BIGNUM *Y;
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BIGNUM *Z;
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} ec_point_t;
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typedef struct{
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const struct EC_METHOD *meth;
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/* All members except 'meth' are handled by the method functions,
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* even if they appear generic */
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BIGNUM X;
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BIGNUM Y;
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BIGNUM Z; /* Jacobian projective coordinates:
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* (X, Y, Z) represents (X/Z^2, Y/Z^3) if Z != 0 */
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int Z_is_one; /* enable optimized point arithmetics for special case */
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} ec_point_st /* EC_POINT */;
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extern void init_sqr_table();
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extern void bn_to_mm256(const BIGNUM* bn, mm_256 *m);
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extern void mm256_to_bn(const mm_256 *m, BIGNUM* bn);
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extern void bn_point_to_mm_point(const ec_point_t* src, mm256_point_t* dst);
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extern void mm_point_to_bn_point(const mm256_point_t* src, ec_point_t* dst);
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extern void EC_POINT_to_mm_point(const ec_point_st* src, mm256_point_t* dst);
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extern void mm_point_to_EC_POINT(const mm256_point_t* src, ec_point_st* dst);
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extern void ec_point_init(ec_point_t *P);
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extern void ec_point_free(ec_point_t *P);
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extern int cmp_mm_256_with_bn(mm_256* a, BIGNUM* bn);
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extern int cmp_mm_point_with_bn_point(mm256_point_t* a, ec_point_t* b);
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extern void print_affine_bn_point(ec_point_t* p);
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extern void print_affine_mm_point(mm256_point_t* p);
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extern void print_bn_point(ec_point_t* p);
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extern void print_mm_point(mm256_point_t* p);
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extern void print_EC_POINT(ec_point_st* p);
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extern void printHex(uint8_t* str, uint32_t len);
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extern void save_ymm_group(uint8_t* buf);
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extern void load_ymm_group(uint8_t* buf);
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#endif
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