From: Tadeusz Struk Subject: [PATCH v5 2/3] integrity: convert digsig to akcipher api Date: Tue, 02 Feb 2016 10:08:58 -0800 Message-ID: <20160202180858.2887.80425.stgit@tstruk-mobl1> References: <20160202180848.2887.9937.stgit@tstruk-mobl1> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: tadeusz.struk@intel.com, linux-kernel@vger.kernel.org, dhowells@redhat.com, linux-security-module@vger.kernel.org, linux-crypto@vger.kernel.org, zohar@linux.vnet.ibm.com To: herbert@gondor.apana.org.au Return-path: In-Reply-To: <20160202180848.2887.9937.stgit@tstruk-mobl1> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org Convert asymmetric_verify to akcipher api. Signed-off-by: Tadeusz Struk --- security/integrity/Kconfig | 1 + security/integrity/digsig_asymmetric.c | 10 +++------- 2 files changed, 4 insertions(+), 7 deletions(-) diff --git a/security/integrity/Kconfig b/security/integrity/Kconfig index 21d7568..5533a01 100644 --- a/security/integrity/Kconfig +++ b/security/integrity/Kconfig @@ -36,6 +36,7 @@ config INTEGRITY_ASYMMETRIC_KEYS select ASYMMETRIC_KEY_TYPE select ASYMMETRIC_PUBLIC_KEY_SUBTYPE select PUBLIC_KEY_ALGO_RSA + select CRYPTO_RSA select X509_CERTIFICATE_PARSER help This option enables digital signature verification using diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c index 5ade2a7..2fa3bc6 100644 --- a/security/integrity/digsig_asymmetric.c +++ b/security/integrity/digsig_asymmetric.c @@ -106,13 +106,9 @@ int asymmetric_verify(struct key *keyring, const char *sig, pks.pkey_hash_algo = hdr->hash_algo; pks.digest = (u8 *)data; pks.digest_size = datalen; - pks.nr_mpi = 1; - pks.rsa.s = mpi_read_raw_data(hdr->sig, siglen); - - if (pks.rsa.s) - ret = verify_signature(key, &pks); - - mpi_free(pks.rsa.s); + pks.s = hdr->sig; + pks.s_size = siglen; + ret = verify_signature(key, &pks); key_put(key); pr_debug("%s() = %d\n", __func__, ret); return ret;