pkcs7: support EC-RDSA/streebog in SignerInfo

Allow using EC-RDSA/streebog in pkcs7 certificates in a similar way to how it's done in the x509 parser. This is needed e.g. for loading kernel modules signed with EC-RDSA. Signed-off-by: Elvira Khabirova <[email protected]> Reviewed-by: Vitaly Chikunov <[email protected]> Reviewed-by: Tianjia Zhang <[email protected]> Reviewed-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]>
josf · Aug 3, 2022 · d35f42c · d35f42c
1 parent 3fb8e3f
commit d35f42c
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
@@ -251,6 +251,12 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
 	case OID_sm3:
 		ctx->sinfo->sig->hash_algo = "sm3";
 		break;
+	case OID_gost2012Digest256:
+		ctx->sinfo->sig->hash_algo = "streebog256";
+		break;
+	case OID_gost2012Digest512:
+		ctx->sinfo->sig->hash_algo = "streebog512";
+		break;
 	default:
 		printk("Unsupported digest algo: %u\n", ctx->last_oid);
 		return -ENOPKG;
@@ -284,6 +290,11 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
 		ctx->sinfo->sig->pkey_algo = "sm2";
 		ctx->sinfo->sig->encoding = "raw";
 		break;
+	case OID_gost2012PKey256:
+	case OID_gost2012PKey512:
+		ctx->sinfo->sig->pkey_algo = "ecrdsa";
+		ctx->sinfo->sig->encoding = "raw";
+		break;
 	default:
 		printk("Unsupported pkey algo: %u\n", ctx->last_oid);
 		return -ENOPKG;