diff options
| -rw-r--r-- | crypto/asymmetric_keys/public_key.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index 7c9e6be35c30..2f8352e88860 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -304,6 +304,10 @@ static int cert_sig_digest_update(const struct public_key_signature *sig, BUG_ON(!sig->data); + /* SM2 signatures always use the SM3 hash algorithm */ + if (!sig->hash_algo || strcmp(sig->hash_algo, "sm3") != 0) + return -EINVAL; + ret = sm2_compute_z_digest(tfm_pkey, SM2_DEFAULT_USERID, SM2_DEFAULT_USERID_LEN, dgst); if (ret) @@ -414,8 +418,7 @@ int public_key_verify_signature(const struct public_key *pkey, if (ret) goto error_free_key; - if (sig->pkey_algo && strcmp(sig->pkey_algo, "sm2") == 0 && - sig->data_size) { + if (strcmp(pkey->pkey_algo, "sm2") == 0 && sig->data_size) { ret = cert_sig_digest_update(sig, tfm); if (ret) goto error_free_key; |