From: Steffen Klassert Subject: [PATCH 12/16] crypto: Add userspace report for nivaead type algorithms Date: Thu, 11 Aug 2011 13:33:24 +0200 Message-ID: <20110811113324.GP16877@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]:56368 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754171Ab1HKLcv (ORCPT ); Thu, 11 Aug 2011 07:32:51 -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/aead.c | 29 +++++++++++++++++++++++++++++ include/linux/cryptouser.h | 1 + 2 files changed, 30 insertions(+), 0 deletions(-) diff --git a/crypto/aead.c b/crypto/aead.c index 25793b7..218ecc8 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -196,6 +196,32 @@ static int crypto_init_nivaead_ops(struct crypto_tfm *tfm, u32 type, u32 mask) return 0; } +static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg) + __attribute__ ((unused)); +static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_aead raead; + struct aead_alg *aead = &alg->cra_aead; + + snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead"); + snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv); + snprintf(raead.async, CRYPTO_MAX_ALG_NAME, "%s", + alg->cra_flags & CRYPTO_ALG_ASYNC ? "yes" : "no"); + + raead.blocksize = alg->cra_blocksize; + raead.maxauthsize = aead->maxauthsize; + raead.ivsize = aead->ivsize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_NIVAEAD, + sizeof(struct crypto_report_aead), &raead); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + + static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg) __attribute__ ((unused)); static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg) @@ -217,6 +243,9 @@ const struct crypto_type crypto_nivaead_type = { #ifdef CONFIG_PROC_FS .show = crypto_nivaead_show, #endif +#ifdef CONFIG_CRYPTO_USER + .report = crypto_nivaead_report, +#endif }; EXPORT_SYMBOL_GPL(crypto_nivaead_type); diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h index 04762d7..fc660c7 100644 --- a/include/linux/cryptouser.h +++ b/include/linux/cryptouser.h @@ -41,6 +41,7 @@ enum crypto_attr_type_t { CRYPTOCFGA_REPORT_ABLKCIPHER, /* struct crypto_report_ablkcipher */ CRYPTOCFGA_REPORT_GIVCIPHER, /* struct crypto_report_ablkcipher */ CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */ + CRYPTOCFGA_REPORT_NIVAEAD, /* struct crypto_report_aead */ __CRYPTOCFGA_MAX #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) -- 1.7.0.4