From patchwork Fri Sep 10 06:43:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 12484465 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 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,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 DB50AC433F5 for ; Fri, 10 Sep 2021 06:43:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BEABA61186 for ; Fri, 10 Sep 2021 06:43:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230417AbhIJGov (ORCPT ); Fri, 10 Sep 2021 02:44:51 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:44962 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231182AbhIJGou (ORCPT ); Fri, 10 Sep 2021 02:44:50 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 258B220203; Fri, 10 Sep 2021 06:43:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1631256219; 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=fXSDZW0HceQ0uVUSB6Jl5YO/WIeeZVwZeGWjktfvU9Q=; b=nR0/nSeEsuP2Qr2Tzj9HmePFF13IJMBB2aiZSkvn/faOfMbQYLbI79w3TC989DxJ9zipYe 08mFNw+ZEoQ0Lw/qbt5CUENt0iQMmjpaJpFdhgQTBAW8JfLUSKg4KZlINaljBD914cEfag Szdyihj2O8QNJ3mtKjev8rTPu++tGpA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1631256219; 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=fXSDZW0HceQ0uVUSB6Jl5YO/WIeeZVwZeGWjktfvU9Q=; b=5m0uy4YjQe+rcJdNOXudKb16tiGqjcixCIv3mO0gi8eItfIQKq31NXfuMgKahACYrQvmAU pOAY1fPdVQCFtFAg== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id D3727A3B8A; Fri, 10 Sep 2021 06:43:36 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 92D0C518E31E; Fri, 10 Sep 2021 08:43:36 +0200 (CEST) From: Hannes Reinecke To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , Herbert Xu , "David S . Miller" , linux-nvme@lists.infradead.org, linux-crypto@vger.kernel.org, Hannes Reinecke Subject: [PATCH 02/12] crypto: add crypto_has_kpp() Date: Fri, 10 Sep 2021 08:43:12 +0200 Message-Id: <20210910064322.67705-3-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210910064322.67705-1-hare@suse.de> References: <20210910064322.67705-1-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 key-agreement protocol primitive is supported. Signed-off-by: Hannes Reinecke Reviewed-by: Sagi Grimberg Reviewed-by: Chaitanya Kulkarni --- crypto/kpp.c | 6 ++++++ include/crypto/kpp.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/crypto/kpp.c b/crypto/kpp.c index 313b2c699963..416e8a1a03ee 100644 --- a/crypto/kpp.c +++ b/crypto/kpp.c @@ -87,6 +87,12 @@ struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask) } EXPORT_SYMBOL_GPL(crypto_alloc_kpp); +int crypto_has_kpp(const char *alg_name, u32 type, u32 mask) +{ + return crypto_type_has_alg(alg_name, &crypto_kpp_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_has_kpp); + static void kpp_prepare_alg(struct kpp_alg *alg) { struct crypto_alg *base = &alg->base; diff --git a/include/crypto/kpp.h b/include/crypto/kpp.h index cccceadc164b..24d01e9877c1 100644 --- a/include/crypto/kpp.h +++ b/include/crypto/kpp.h @@ -104,6 +104,8 @@ struct kpp_alg { */ struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask); +int crypto_has_kpp(const char *alg_name, u32 type, u32 mask); + static inline struct crypto_tfm *crypto_kpp_tfm(struct crypto_kpp *tfm) { return &tfm->base;