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From: Vitaly Chikunov <vt@altlinux.org>
To: Mimi Zohar <zohar@linux.ibm.com>,
	Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
	linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
	David Howells <dhowells@redhat.com>,
	keyrings@vger.kernel.org, linux-crypto@vger.kernel.org
Subject: Re: [PATCH v7 11/11] integrity: support EC-RDSA signatures for asymmetric_verify
Date: Fri, 22 Mar 2019 22:15:00 +0300	[thread overview]
Message-ID: <20190322191500.wzkbqsij5jyndlxd@altlinux.org> (raw)
In-Reply-To: <20190301175918.29694-12-vt@altlinux.org>

Mimi, Dmitry,

Can you Ack this patch?

Thanks,

On Fri, Mar 01, 2019 at 08:59:18PM +0300, Vitaly Chikunov wrote:
> Allow to use EC-RDSA signatures for IMA by determining signature type by
> the hash algorithm name. This works good for EC-RDSA since Streebog and
> EC-RDSA should always be used together.
> 
> Cc: Mimi Zohar <zohar@linux.ibm.com>
> Cc: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
> Cc: linux-integrity@vger.kernel.org
> Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
> ---
>  security/integrity/digsig_asymmetric.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c
> index d775e03fbbcc..99080871eb9f 100644
> --- a/security/integrity/digsig_asymmetric.c
> +++ b/security/integrity/digsig_asymmetric.c
> @@ -104,9 +104,16 @@ int asymmetric_verify(struct key *keyring, const char *sig,
>  
>  	memset(&pks, 0, sizeof(pks));
>  
> -	pks.pkey_algo = "rsa";
>  	pks.hash_algo = hash_algo_name[hdr->hash_algo];
> -	pks.encoding = "pkcs1";
> +	if (hdr->hash_algo == HASH_ALGO_STREEBOG_256 ||
> +	    hdr->hash_algo == HASH_ALGO_STREEBOG_512) {
> +		/* EC-RDSA and Streebog should go together. */
> +		pks.pkey_algo = "ecrdsa";
> +		pks.encoding = "raw";
> +	} else {
> +		pks.pkey_algo = "rsa";
> +		pks.encoding = "pkcs1";
> +	}
>  	pks.digest = (u8 *)data;
>  	pks.digest_size = datalen;
>  	pks.s = hdr->sig;
> -- 
> 2.11.0

  reply	other threads:[~2019-03-22 19:15 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-01 17:59 [PATCH v7 00/11] crypto: add EC-RDSA (GOST 34.10) algorithm Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 01/11] KEYS: report to keyctl only actually supported key ops Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 02/11] crypto: akcipher - check the presence of callback before the call Vitaly Chikunov
2019-03-21 11:19   ` Herbert Xu
2019-03-21 11:42     ` Vitaly Chikunov
2019-03-21 12:11       ` Herbert Xu
2019-03-01 17:59 ` [PATCH v7 03/11] crypto: rsa - unimplement sign/verify for raw RSA backends Vitaly Chikunov
2019-03-22 22:41   ` Horia Geanta
2019-03-01 17:59 ` [PATCH v7 04/11] crypto: akcipher - new verify API for public key algorithms Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 05/11] KEYS: do not kmemdup digest in {public,tpm}_key_verify_signature Vitaly Chikunov
2019-03-22 19:49   ` Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 06/11] X.509: parse public key parameters from x509 for akcipher Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 07/11] crypto: Kconfig - create Public-key cryptography section Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 08/11] crypto: ecc - make ecc into separate module Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 09/11] crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 10/11] crypto: ecrdsa - add EC-RDSA test vectors to testmgr Vitaly Chikunov
2019-03-01 17:59 ` [PATCH v7 11/11] integrity: support EC-RDSA signatures for asymmetric_verify Vitaly Chikunov
2019-03-22 19:15   ` Vitaly Chikunov [this message]
2019-03-22 12:39 ` [PATCH v7 00/11] crypto: add EC-RDSA (GOST 34.10) algorithm Herbert Xu

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