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Use z256 and jacobian coordinates as inner presentation of SM2 point

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This commit is contained in:
Zhi Guan
2024-04-18 21:27:00 +08:00
parent 549c68d2df
commit e9bbcf5490
18 changed files with 312 additions and 646 deletions
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8
src/tls.c
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@@ -537,7 +537,7 @@ int tls_cert_type_from_oid(int oid)
// 这两个函数没有对应的TLCP版本
int tls_sign_server_ecdh_params(const SM2_KEY *server_sign_key,
const uint8_t client_random[32], const uint8_t server_random[32],
int curve, const SM2_POINT *point, uint8_t *sig, size_t *siglen)
int curve, const SM2_Z256_POINT *point, uint8_t *sig, size_t *siglen)
{
uint8_t server_ecdh_params[69];
SM2_SIGN_CTX sign_ctx;
@@ -551,7 +551,7 @@ int tls_sign_server_ecdh_params(const SM2_KEY *server_sign_key,
server_ecdh_params[1] = (uint8_t)(curve >> 8);
server_ecdh_params[2] = (uint8_t)curve;
server_ecdh_params[3] = 65;
sm2_point_to_uncompressed_octets(point, server_ecdh_params + 4);
sm2_z256_point_to_uncompressed_octets(point, server_ecdh_params + 4);
sm2_sign_init(&sign_ctx, server_sign_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH);
sm2_sign_update(&sign_ctx, client_random, 32);
@@ -564,7 +564,7 @@ int tls_sign_server_ecdh_params(const SM2_KEY *server_sign_key,
int tls_verify_server_ecdh_params(const SM2_KEY *server_sign_key,
const uint8_t client_random[32], const uint8_t server_random[32],
int curve, const SM2_POINT *point, const uint8_t *sig, size_t siglen)
int curve, const SM2_Z256_POINT *point, const uint8_t *sig, size_t siglen)
{
int ret;
uint8_t server_ecdh_params[69];
@@ -580,7 +580,7 @@ int tls_verify_server_ecdh_params(const SM2_KEY *server_sign_key,
server_ecdh_params[1] = (uint8_t)(curve >> 8);
server_ecdh_params[2] = (uint8_t)(curve);
server_ecdh_params[3] = 65;
sm2_point_to_uncompressed_octets(point, server_ecdh_params + 4);
sm2_z256_point_to_uncompressed_octets(point, server_ecdh_params + 4);
sm2_verify_init(&verify_ctx, server_sign_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH);
sm2_verify_update(&verify_ctx, client_random, 32);