pkcs7: parser support SM2 and SM3 algorithms combination

Support parsing the message signature of the SM2 and SM3 algorithm combination. This group of algorithms has been well supported. One of the main users is module signature verification. Signed-off-by: Tianjia Zhang <[email protected]> Reviewed-by: Vitaly Chikunov <[email protected]> Reviewed-by: Stefan Berger <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]>
kdoren · Aug 3, 2022 · 3fb8e3f · 3fb8e3f
1 parent 1a83950
commit 3fb8e3f
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
@@ -248,6 +248,9 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
 	case OID_sha224:
 		ctx->sinfo->sig->hash_algo = "sha224";
 		break;
+	case OID_sm3:
+		ctx->sinfo->sig->hash_algo = "sm3";
+		break;
 	default:
 		printk("Unsupported digest algo: %u\n", ctx->last_oid);
 		return -ENOPKG;
@@ -277,6 +280,10 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
 		ctx->sinfo->sig->pkey_algo = "ecdsa";
 		ctx->sinfo->sig->encoding = "x962";
 		break;
+	case OID_SM2_with_SM3:
+		ctx->sinfo->sig->pkey_algo = "sm2";
+		ctx->sinfo->sig->encoding = "raw";
+		break;
 	default:
 		printk("Unsupported pkey algo: %u\n", ctx->last_oid);
 		return -ENOPKG;