Thread (4 messages) 4 messages, 2 authors, 2022-06-17

Re: [PATCH] X.509: Support parsing certificate using SM2 algorithm

From: Tianjia Zhang <hidden>
Date: 2021-09-18 02:25:14
Also in: keyrings, lkml

ping.

On 7/12/21 4:13 PM, Tianjia Zhang wrote:
quoted hunk ↗ jump to hunk
The SM2-with-SM3 certificate generated by latest openssl no longer
reuses the OID_id_ecPublicKey, but directly uses OID_sm2. This patch
supports this type of x509 certificate parsing.

Signed-off-by: Tianjia Zhang <redacted>
---
  crypto/asymmetric_keys/x509_cert_parser.c | 3 +++
  1 file changed, 3 insertions(+)
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 6d003096b5bc..6a945a6ce787 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -496,6 +496,9 @@ int x509_extract_key_data(void *context, size_t hdrlen,
  	case OID_gost2012PKey512:
  		ctx->cert->pub->pkey_algo = "ecrdsa";
  		break;
+	case OID_sm2:
+		ctx->cert->pub->pkey_algo = "sm2";
+		break;
  	case OID_id_ecPublicKey:
  		if (parse_OID(ctx->params, ctx->params_size, &oid) != 0)
  			return -EBADMSG;
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