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* [PATCH] pkcs7: make parser enable SM2 and SM3 algorithms combination
@ 2021-05-14  8:59 Tianjia Zhang
  0 siblings, 0 replies; only message in thread
From: Tianjia Zhang @ 2021-05-14  8:59 UTC (permalink / raw)
  To: David Howells, Herbert Xu, David S. Miller, Eric Biggers,
	Mimi Zohar, Vitaly Chikunov, Gilad Ben-Yossef,
	Pascal van Leeuwen, keyrings, linux-crypto, linux-kernel,
	Jia Zhang
  Cc: 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.zhang@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


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2021-05-14  8:59 [PATCH] pkcs7: make parser enable SM2 and SM3 algorithms combination Tianjia Zhang

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