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Update SM2 arithmetic implementations

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Decouple API and implementations. SM2 arithmetic exposes 3 types: GF(p), GF(n), and Point.
This commit is contained in:
Zhi Guan
2024-02-22 11:14:59 +08:00
parent 79a6437c8c
commit c460766320
8 changed files with 1168 additions and 707 deletions
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26
include/gmssl/sm2_z256.h
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@@ -20,6 +20,7 @@
extern "C" {
#endif
typedef uint64_t SM2_Z256[4];
void sm2_z256_copy(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_copy_conditional(uint64_t dst[4], const uint64_t src[4], uint64_t move);
@@ -43,12 +44,25 @@ void sm2_z256_modp_mul_by_2(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_modp_mul_by_3(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_modp_div_by_2(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_to_mont(const uint64_t a[4], uint64_t r[4]);
void sm2_z256_from_mont(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_mont_mul(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
void sm2_z256_mont_sqr(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_mont_inv(uint64_t r[4], const uint64_t a[4]);
int sm2_z256_mont_print(FILE *fp, int ind, int fmt, const char *label, const uint64_t a[4]);
void sm2_z256_modp_to_mont(const uint64_t a[4], uint64_t r[4]);
void sm2_z256_modp_from_mont(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_modp_mont_mul(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
void sm2_z256_modp_mont_sqr(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_modp_mont_exp(uint64_t r[4], const uint64_t a[4], const uint64_t e[4]);
void sm2_z256_modp_mont_inv(uint64_t r[4], const uint64_t a[4]);
int sm2_z256_modp_mont_print(FILE *fp, int ind, int fmt, const char *label, const uint64_t a[4]);
void sm2_z256_modn_add(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
void sm2_z256_modn_sub(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
void sm2_z256_modn_neg(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_modn_to_mont(const uint64_t a[4], uint64_t r[4]);
void sm2_z256_modn_from_mont(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_modn_mont_mul(uint64_t r[4], const uint64_t a[4], const uint64_t b[4]);
void sm2_z256_modn_mont_sqr(uint64_t r[4], const uint64_t a[4]);
void sm2_z256_modn_mont_exp(uint64_t r[4], const uint64_t a[4], const uint64_t e[4]);
void sm2_z256_modn_mont_inv(uint64_t r[4], const uint64_t a[4]);
int sm2_z256_modn_mont_print(FILE *fp, int ind, int fmt, const char *label, const uint64_t a[4]);
typedef struct {