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Update SM2 lib

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Add more checks
Rename _ex functions to _fixlen
Move extensions to sm2_recover.c
This commit is contained in:
Zhi Guan
2023-01-13 01:44:55 +08:00
parent 2f19fc3067
commit c932069224
5 changed files with 350 additions and 209 deletions
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9
src/cms.c
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@@ -746,14 +746,12 @@ int cms_signer_info_sign_to_der(
int fixed_outlen = 1;
uint8_t dgst[SM3_DIGEST_SIZE];
uint8_t sig[SM2_MAX_SIGNATURE_SIZE];
size_t siglen;
size_t siglen = SM2_signature_typical_size;
sm3_update(&ctx, authed_attrs, authed_attrs_len);
sm3_finish(&ctx, dgst);
if (sm2_sign_ex(sign_key, fixed_outlen, dgst, sig, &siglen) != 1) {
if (sm2_sign_fixlen(sign_key, dgst, siglen, sig) != 1) {
error_print();
return -1;
}
@@ -1311,7 +1309,8 @@ int cms_recipient_info_encrypt_to_der(
return -1;
}
if (sm2_encrypt_ex(public_key, fixed_outlen, in, inlen, enced_key, &enced_key_len) != 1) {
if (sm2_encrypt_fixlen(public_key, in, inlen, SM2_ciphertext_typical_point_size,
enced_key, &enced_key_len) != 1) {
error_print();
return -1;
}