[PATCH] X.509: Support parsing certificate using SM2 algorithm
From: Tianjia Zhang <hidden>
Date: 2021-07-12 09:04:21
Also in:
keyrings, lkml
Subsystem:
asymmetric keys, crypto api, the rest · Maintainers:
David Howells, Lukas Wunner, Ignat Korchagin, Herbert Xu, "David S. Miller", Linus Torvalds
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;
--
2.19.1.3.ge56e4f7