From patchwork Tue Nov 23 12:37:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 12634097 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC5BDC43217 for ; Tue, 23 Nov 2021 12:38:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236400AbhKWMl0 (ORCPT ); Tue, 23 Nov 2021 07:41:26 -0500 Received: from smtp-out2.suse.de ([195.135.220.29]:38856 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235609AbhKWMlX (ORCPT ); Tue, 23 Nov 2021 07:41:23 -0500 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 3249A1FD5C; Tue, 23 Nov 2021 12:38:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1637671094; 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=yQPKCbzaAg6zMuSNpgHZa4Q0dK8gulF3LOq3pSB3gCg=; b=upDsnRfsZgy1XD4yfcG3M+rIHCptnSzOrlWGGHTsN5C5dvPzDSaNkD6YNgQFwpyEpcfgbn 2vZCiPQwp/1w0BpLwycj4dFEkr4gRPX+sQBsRIrlJchyFqYo7eB8kaWuo/mEDRls4gMsZe fJKKObFRp2j+o6JkQitqZ1PQGVHH50s= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1637671094; 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=yQPKCbzaAg6zMuSNpgHZa4Q0dK8gulF3LOq3pSB3gCg=; b=BSoZdIUom1vRwm+9svoetWJU33DxJNwlrydibxx+aUkW4mYVIzYcvtg/Prtn/tERUDT5V6 AeusPrQUJrSh6WBw== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id CBA97A3B85; Tue, 23 Nov 2021 12:38:12 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 946C251918BC; Tue, 23 Nov 2021 13:38:12 +0100 (CET) From: Hannes Reinecke To: Sagi Grimberg Cc: Christoph Hellwig , Keith Busch , linux-nvme@lists.infradead.org, Herbert Xu , David Miller , linux-crypto@vger.kernel.org, Hannes Reinecke , Chaitanya Kulkarni , Himanshu Madhani Subject: [PATCH 01/12] crypto: add crypto_has_shash() Date: Tue, 23 Nov 2021 13:37:50 +0100 Message-Id: <20211123123801.73197-2-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20211123123801.73197-1-hare@suse.de> References: <20211123123801.73197-1-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 Reviewed-by: Sagi Grimberg Reviewed-by: Chaitanya Kulkarni Reviewed-by: Himanshu Madhani --- 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;