From patchwork Fri Jul 16 11:04:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 479334 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A117C636CE for ; Fri, 16 Jul 2021 11:04:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E2B2C613D8 for ; Fri, 16 Jul 2021 11:04:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232088AbhGPLHu (ORCPT ); Fri, 16 Jul 2021 07:07:50 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:49488 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232048AbhGPLHi (ORCPT ); Fri, 16 Jul 2021 07:07:38 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 4CDF122BAA; Fri, 16 Jul 2021 11:04:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1626433482; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zrhwWEeGhqBzwG4fO6ATjJUgff+ThHnR+gJis2gc95M=; b=VQmHpAj/NbJ/Ezbp113kYFdj68/uPj6ZMrLRCMoHYdiVQDf04nR7jI/+Fj6zOcPI8mFUqs cp32JdQ48X1o6XeHDj3BiXh0AyaXJ1uyqxttzOXBLl/wGXfOGKMkmzzkoivhxe7NpVpl4u VBCXULpag/YpaTl4coSM/19wGZQOX3k= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1626433482; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zrhwWEeGhqBzwG4fO6ATjJUgff+ThHnR+gJis2gc95M=; b=vfz0mVwb5/+EeB1ZtVj5Q4DREYyNCKfp+ngAVjQh3EZaaHHJfQx3mqwFcXVVOqs0Mc/E/p UqHcsAAGaQZUaDDw== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id AF85BA3BAF; Fri, 16 Jul 2021 11:04:41 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 749105171606; Fri, 16 Jul 2021 13:04:41 +0200 (CEST) From: Hannes Reinecke To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org, Herbert Xu , "David S . Miller" , linux-crypto@vger.kernel.org, Hannes Reinecke Subject: [PATCH 01/11] crypto: add crypto_has_shash() Date: Fri, 16 Jul 2021 13:04:18 +0200 Message-Id: <20210716110428.9727-2-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210716110428.9727-1-hare@suse.de> References: <20210716110428.9727-1-hare@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add helper function to determine if a given synchronous hash is supported. Signed-off-by: Hannes Reinecke --- crypto/shash.c | 6 ++++++ include/crypto/hash.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/crypto/shash.c b/crypto/shash.c index 0a0a50cb694f..4c88e63b3350 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -521,6 +521,12 @@ struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type, } EXPORT_SYMBOL_GPL(crypto_alloc_shash); +int crypto_has_shash(const char *alg_name, u32 type, u32 mask) +{ + return crypto_type_has_alg(alg_name, &crypto_shash_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_has_shash); + static int shash_prepare_alg(struct shash_alg *alg) { struct crypto_alg *base = &alg->base; diff --git a/include/crypto/hash.h b/include/crypto/hash.h index f140e4643949..f5841992dc9b 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -718,6 +718,8 @@ static inline void ahash_request_set_crypt(struct ahash_request *req, struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type, u32 mask); +int crypto_has_shash(const char *alg_name, u32 type, u32 mask); + static inline struct crypto_tfm *crypto_shash_tfm(struct crypto_shash *tfm) { return &tfm->base;