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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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16
src/tls_ext.c
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@@ -623,7 +623,7 @@ err:
return -1;
}
int tls13_key_share_entry_to_bytes(const SM2_POINT *point, uint8_t **out, size_t *outlen)
int tls13_key_share_entry_to_bytes(const SM2_Z256_POINT *point, uint8_t **out, size_t *outlen)
{
uint16_t group = TLS_curve_sm2p256v1;
uint8_t key_exchange[65];
@@ -632,13 +632,13 @@ int tls13_key_share_entry_to_bytes(const SM2_POINT *point, uint8_t **out, size_t
error_print();
return -1;
}
sm2_point_to_uncompressed_octets(point, key_exchange);
sm2_z256_point_to_uncompressed_octets(point, key_exchange);
tls_uint16_to_bytes(group, out, outlen);
tls_uint16array_to_bytes(key_exchange, 65, out, outlen);
return 1;
}
int tls13_server_key_share_ext_to_bytes(const SM2_POINT *point, uint8_t **out, size_t *outlen)
int tls13_server_key_share_ext_to_bytes(const SM2_Z256_POINT *point, uint8_t **out, size_t *outlen)
{
uint16_t ext_type = TLS_extension_key_share;
size_t ext_datalen = 0;
@@ -654,7 +654,7 @@ int tls13_server_key_share_ext_to_bytes(const SM2_POINT *point, uint8_t **out, s
return 1;
}
int tls13_process_server_key_share(const uint8_t *ext_data, size_t ext_datalen, SM2_POINT *point)
int tls13_process_server_key_share(const uint8_t *ext_data, size_t ext_datalen, SM2_Z256_POINT *point)
{
uint16_t group;
const uint8_t *key_exchange;
@@ -678,14 +678,14 @@ int tls13_process_server_key_share(const uint8_t *ext_data, size_t ext_datalen,
error_print();
return -1;
}
if (sm2_point_from_octets(point, key_exchange, key_exchange_len) != 1) {
if (sm2_z256_point_from_octets(point, key_exchange, key_exchange_len) != 1) {
error_print();
return -1;
}
return 1;
}
int tls13_client_key_share_ext_to_bytes(const SM2_POINT *point, uint8_t **out, size_t *outlen)
int tls13_client_key_share_ext_to_bytes(const SM2_Z256_POINT *point, uint8_t **out, size_t *outlen)
{
uint16_t ext_type = TLS_extension_key_share;
size_t ext_datalen;
@@ -706,7 +706,7 @@ int tls13_client_key_share_ext_to_bytes(const SM2_POINT *point, uint8_t **out, s
}
int tls13_process_client_key_share(const uint8_t *ext_data, size_t ext_datalen,
const SM2_KEY *server_ecdhe_key, SM2_POINT *client_ecdhe_public,
const SM2_KEY *server_ecdhe_key, SM2_Z256_POINT *client_ecdhe_public,
uint8_t **out, size_t *outlen)
{
const uint8_t *client_shares;
@@ -743,7 +743,7 @@ int tls13_process_client_key_share(const uint8_t *ext_data, size_t ext_datalen,
error_print();
return -1;
}
if (sm2_point_from_octets(client_ecdhe_public, key_exchange, key_exchange_len) != 1) {
if (sm2_z256_point_from_octets(client_ecdhe_public, key_exchange, key_exchange_len) != 1) {
error_print();
return -1;
}