From: Steffen Klassert Subject: [PATCH 10/16] crypto: Add userspace report for givcipher type algorithms Date: Thu, 11 Aug 2011 13:32:21 +0200 Message-ID: <20110811113220.GN16877@secunet.com> References: <20110811112603.GD16877@secunet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-crypto@vger.kernel.org To: Herbert Xu Return-path: Received: from a.mx.secunet.com ([195.81.216.161]:56351 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755273Ab1HKLbs (ORCPT ); Thu, 11 Aug 2011 07:31:48 -0400 Content-Disposition: inline In-Reply-To: <20110811112603.GD16877@secunet.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: Signed-off-by: Steffen Klassert --- crypto/ablkcipher.c | 29 +++++++++++++++++++++++++++++ include/linux/cryptouser.h | 1 + 2 files changed, 30 insertions(+), 0 deletions(-) diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index d9b6717..c19d14b 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -463,6 +463,32 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type, return 0; } +static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg) + __attribute__ ((unused)); +static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_ablkcipher rablkcipher; + + snprintf(rablkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher"); + snprintf(rablkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s", + alg->cra_ablkcipher.geniv ?: ""); + snprintf(rablkcipher.async, CRYPTO_MAX_ALG_NAME, "%s", + alg->cra_flags & CRYPTO_ALG_ASYNC ? "yes" : "no"); + + rablkcipher.blocksize = alg->cra_blocksize; + rablkcipher.min_keysize = alg->cra_ablkcipher.min_keysize; + rablkcipher.max_keysize = alg->cra_ablkcipher.max_keysize; + rablkcipher.ivsize = alg->cra_ablkcipher.ivsize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_GIVCIPHER, + sizeof(struct crypto_report_ablkcipher), &rablkcipher); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg) __attribute__ ((unused)); static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg) @@ -485,6 +511,9 @@ const struct crypto_type crypto_givcipher_type = { #ifdef CONFIG_PROC_FS .show = crypto_givcipher_show, #endif +#ifdef CONFIG_CRYPTO_USER + .report = crypto_givcipher_report, +#endif }; EXPORT_SYMBOL_GPL(crypto_givcipher_type); diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h index 8440966..e2c76f7 100644 --- a/include/linux/cryptouser.h +++ b/include/linux/cryptouser.h @@ -39,6 +39,7 @@ enum crypto_attr_type_t { CRYPTOCFGA_REPORT_AHASH, /* struct crypto_report_ahash */ CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */ CRYPTOCFGA_REPORT_ABLKCIPHER, /* struct crypto_report_ablkcipher */ + CRYPTOCFGA_REPORT_GIVCIPHER, /* struct crypto_report_ablkcipher */ __CRYPTOCFGA_MAX #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) -- 1.7.0.4