From: Hongbo Li <herbert.tencent@gmail.com>
To: keyrings@vger.kernel.org, linux-crypto@vger.kernel.org,
herbert@gondor.apana.org.au, dhowells@redhat.com,
zohar@linux.ibm.com, jarkko@kernel.org, herberthbli@tencent.com
Cc: linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org
Subject: [PATCH 5/5] ima: add support for rsa pss verification
Date: Tue, 6 Apr 2021 21:11:26 +0800 [thread overview]
Message-ID: <1617714686-25754-6-git-send-email-herbert.tencent@gmail.com> (raw)
In-Reply-To: <1617714686-25754-1-git-send-email-herbert.tencent@gmail.com>
From: Hongbo Li <herberthbli@tencent.com>
This patch adds support for ima verification for rsa with
pss encoding.
And a patch for ima-evm-utils will be sent later.
Signed-off-by: Hongbo Li <herberthbli@tencent.com>
---
security/integrity/digsig_asymmetric.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c
index 183f452..ef7a51a 100644
--- a/security/integrity/digsig_asymmetric.c
+++ b/security/integrity/digsig_asymmetric.c
@@ -85,6 +85,7 @@ int asymmetric_verify(struct key *keyring, const char *sig,
struct public_key_signature pks;
struct signature_v2_hdr *hdr = (struct signature_v2_hdr *)sig;
const struct public_key *pk;
+ struct public_key_signature *cert_sig;
struct key *key;
int ret;
@@ -110,7 +111,11 @@ int asymmetric_verify(struct key *keyring, const char *sig,
pk = asymmetric_key_public_key(key);
pks.pkey_algo = pk->pkey_algo;
if (!strcmp(pk->pkey_algo, "rsa")) {
- pks.encoding = "pkcs1";
+ cert_sig = key->payload.data[asym_auth];
+ if (cert_sig)
+ pks.encoding = cert_sig->encoding;
+ else
+ pks.encoding = "pkcs1";
} else if (!strncmp(pk->pkey_algo, "ecdsa-", 6)) {
/* edcsa-nist-p192 etc. */
pks.encoding = "x962";
--
1.8.3.1
next prev parent reply other threads:[~2021-04-06 13:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-06 13:11 [PATCH 0/5] crypto: add rsa pss support for x509 Hongbo Li
2021-04-06 13:11 ` [PATCH 1/5] x509: add support for rsa-pss Hongbo Li
2021-04-06 16:06 ` kernel test robot
2021-04-06 13:11 ` [PATCH 2/5] crypto: support rsa-pss encoding Hongbo Li
2021-04-06 17:23 ` kernel test robot
2021-04-06 13:11 ` [PATCH 3/5] crypto: add rsa pss test vector Hongbo Li
2021-04-06 13:11 ` [PATCH 4/5] crypto: ecdsa ima support Hongbo Li
2021-04-06 13:11 ` Hongbo Li [this message]
2021-04-07 8:38 ` [PATCH 0/5] crypto: add rsa pss support for x509 Jarkko Sakkinen
2021-04-07 8:54 ` [PATCH 0/5] crypto: add rsa pss support for x509(Internet mail) herberthbli(李弘博)
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