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Subject[PATCH v4 2/2] pkcs7: support EC-RDSA/streebog in SignerInfo
Date
From: Elvira Khabirova <e.khabirova@omp.ru>

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 <e.khabirova@omp.ru>
Reviewed-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
---
crypto/asymmetric_keys/pkcs7_parser.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
index 24e2e4a6d842..277482bb1777 100644
--- 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;
--
2.19.1.3.ge56e4f7
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