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Update SM9

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This commit is contained in:
Zhi Guan
2022-05-13 18:10:25 +08:00
parent 87d1ab4ac9
commit 8a07619eea
11 changed files with 468 additions and 111 deletions
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1
include/gmssl/mem.h
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@@ -58,6 +58,7 @@ void gmssl_memxor(void *r, const void *a, const void *b, size_t len);
int gmssl_secure_memcmp(const volatile void * volatile in_a, const volatile void * volatile in_b, size_t len);
void gmssl_secure_clear(void *ptr, size_t len);
int mem_is_zero(const uint8_t *buf, size_t len);
#endif

10
include/gmssl/sm3.h
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@@ -91,6 +91,16 @@ void sm3_hmac(const uint8_t *key, size_t keylen,
uint8_t mac[SM3_HMAC_SIZE]);
typedef struct {
SM3_CTX sm3_ctx;
size_t outlen;
} SM3_KDF_CTX;
void sm3_kdf_init(SM3_KDF_CTX *ctx, size_t outlen);
void sm3_kdf_update(SM3_KDF_CTX *ctx, const uint8_t *data, size_t datalen);
void sm3_kdf_finish(SM3_KDF_CTX *ctx, uint8_t *out);
#ifdef __cplusplus
}
#endif

39
include/gmssl/sm9.h
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@@ -268,7 +268,7 @@ void sm9_twist_point_add(sm9_twist_point_t *R, const sm9_twist_point_t *P, const
void sm9_twist_point_sub(sm9_twist_point_t *R, const sm9_twist_point_t *P, const sm9_twist_point_t *Q);
void sm9_twist_point_add_full(sm9_twist_point_t *R, const sm9_twist_point_t *P, const sm9_twist_point_t *Q);
void sm9_twist_point_mul(sm9_twist_point_t *R, const sm9_bn_t k, const sm9_twist_point_t *P);
void sm9_twist_point_mul_G(sm9_twist_point_t *R, const sm9_bn_t k);
void sm9_twist_point_mul_generator(sm9_twist_point_t *R, const sm9_bn_t k);
void sm9_eval_g_tangent(sm9_fp12_t num, sm9_fp12_t den, const sm9_twist_point_t *P, const sm9_point_t *Q);
void sm9_eval_g_line(sm9_fp12_t num, sm9_fp12_t den, const sm9_twist_point_t *T, const sm9_twist_point_t *P, const sm9_point_t *Q);
@@ -302,9 +302,20 @@ int sm9_fn_equ(const sm9_fn_t a, const sm9_fn_t b);
void sm9_fn_rand(sm9_fn_t r);
void sm9_fp12_to_bytes(const sm9_fp12_t a, uint8_t buf[32 * 12]);
int sm9_fn_from_hash(sm9_fn_t h, const uint8_t Ha[40]);
int sm9_hash1(sm9_bn_t h1, const char *id, size_t idlen, uint8_t hid);
int sm9_point_to_bytes(const sm9_point_t *P, uint8_t out[32 * 2]);
int sm9_point_from_bytes(sm9_point_t *P, const uint8_t in[32 * 2]);
int sm9_twist_point_to_bytes(const sm9_twist_point_t *P, uint8_t out[32 * 2]);
int sm9_twist_point_from_bytes(sm9_twist_point_t *P, const uint8_t in[32 * 2]);
// set the same value as sm2
#define SM9_MAX_ID_BITS 65535
#define SM9_MAX_ID_SIZE (SM9_MAX_ID_BITS/8)
@@ -332,24 +343,29 @@ typedef struct {
int sm9_sign_master_key_generate(SM9_SIGN_MASTER_KEY *master);
int sm9_sign_master_key_extract_key(SM9_SIGN_MASTER_KEY *master, const char *id, size_t idlen, SM9_SIGN_KEY *key);
typedef struct {
SM3_CTX sm3_ctx;
SM9_SIGN_KEY key;
} SM9_SIGN_CTX;
typedef struct {
sm9_fn_t h;
sm9_point_t S;
} SM9_SIGNATURE;
int sm9_do_sign(const SM9_SIGN_KEY *key, const SM3_CTX *sm3_ctx, SM9_SIGNATURE *sig);
int sm9_do_verify(const SM9_SIGN_MASTER_KEY *mpk, const char *id, size_t idlen,
const SM3_CTX *sm3_ctx, const SM9_SIGNATURE *sig);
typedef struct {
SM3_CTX sm3_ctx;
} SM9_SIGN_CTX;
int sm9_sign_init(SM9_SIGN_CTX *ctx);
int sm9_sign_update(SM9_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
int sm9_sign_finish(SM9_SIGN_CTX *ctx, SM9_SIGN_KEY *key, SM9_SIGNATURE *sig);
int sm9_sign_finish(SM9_SIGN_CTX *ctx, const SM9_SIGN_KEY *key, uint8_t *sig, size_t *siglen);
int sm9_verify_init(SM9_SIGN_CTX *ctx);
int sm9_verify_update(SM9_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
int sm9_verify_finish(SM9_SIGN_CTX *ctx, const SM9_SIGNATURE *sig,
const SM9_SIGN_MASTER_KEY *master_public, const char *id, size_t idlen);
int sm9_verify_finish(SM9_SIGN_CTX *ctx, const uint8_t *sig, size_t siglen,
const SM9_SIGN_MASTER_KEY *mpk, const char *id, size_t idlen);
typedef struct {
@@ -365,7 +381,12 @@ typedef struct {
int sm9_enc_master_key_generate(SM9_ENC_MASTER_KEY *master);
int sm9_enc_master_key_extract_key(SM9_ENC_MASTER_KEY *master, const char *id, size_t idlen, SM9_ENC_KEY *key);
int sm9_kem_encrypt(const SM9_ENC_MASTER_KEY *mpk, const char *id, size_t idlen, size_t klen, uint8_t *kbuf, uint8_t cbuf[64]);
int sm9_kem_decrypt(const SM9_ENC_KEY *key, const char *id, size_t idlen, const uint8_t cbuf[64], size_t klen, uint8_t *kbuf);
int sm9_do_encrypt(const SM9_ENC_MASTER_KEY *mpk, const char *id, size_t idlen,
const uint8_t *in, size_t inlen, uint8_t C1[64], uint8_t *C2, uint8_t C3[32]);
int sm9_do_decrypt(const SM9_ENC_KEY *key, const char *id, size_t idlen,
const uint8_t C1[64], const uint8_t *C2, size_t C2len, const uint8_t C3[32], uint8_t *out);
# ifdef __cplusplus
}