[PATCH v2 1/2] pkcs7: make parser enable SM2 and SM3 algorithms combination

[Tianjia Zhang]

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 <tianjia.zh...@linux.alibaba.com>
---
 crypto/asymmetric_keys/pkcs7_parser.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/crypto/asymmetric_keys/pkcs7_parser.c 
b/crypto/asymmetric_keys/pkcs7_parser.c
index 967329e0a07b..6cf6c4552c11 100644
--- 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;
@@ -269,6 +272,10 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
                ctx->sinfo->sig->pkey_algo = "rsa";
                ctx->sinfo->sig->encoding = "pkcs1";
                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;
-- 
2.19.1.3.ge56e4f7