From: Steffen Klassert Subject: [PATCH v3 08/17] crypto: Add userspace report for ahash type algorithms Date: Wed, 21 Sep 2011 11:05:36 +0200 Message-ID: <20110921090536.GM1808@secunet.com> References: <20110921085855.GE1808@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]:35748 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750873Ab1IUJFj (ORCPT ); Wed, 21 Sep 2011 05:05:39 -0400 Content-Disposition: inline In-Reply-To: <20110921085855.GE1808@secunet.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: Signed-off-by: Steffen Klassert --- crypto/ahash.c | 21 +++++++++++++++++++++ include/linux/cryptouser.h | 1 + 2 files changed, 22 insertions(+), 0 deletions(-) diff --git a/crypto/ahash.c b/crypto/ahash.c index f669822..d5798fe 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -21,6 +21,8 @@ #include #include #include +#include +#include #include "internal.h" @@ -397,6 +399,24 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg) return sizeof(struct crypto_shash *); } +static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_hash rhash; + + snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash"); + + rhash.blocksize = alg->cra_blocksize; + rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_AHASH, + sizeof(struct crypto_report_hash), &rhash); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) __attribute__ ((unused)); static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) @@ -415,6 +435,7 @@ const struct crypto_type crypto_ahash_type = { #ifdef CONFIG_PROC_FS .show = crypto_ahash_show, #endif + .report = crypto_ahash_report, .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_AHASH_MASK, .type = CRYPTO_ALG_TYPE_AHASH, diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h index c94649f..aedee33 100644 --- a/include/linux/cryptouser.h +++ b/include/linux/cryptouser.h @@ -38,6 +38,7 @@ enum crypto_attr_type_t { CRYPTOCFGA_PRIORITY_VAL, /* __u32 */ CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */ CRYPTOCFGA_REPORT_SHASH, /* struct crypto_report_hash */ + CRYPTOCFGA_REPORT_AHASH, /* struct crypto_report_hash */ __CRYPTOCFGA_MAX #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) -- 1.7.0.4