From patchwork Tue Jul 18 12:58:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ard Biesheuvel X-Patchwork-Id: 13317188 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 BA839C001DC for ; Tue, 18 Jul 2023 13:03:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232564AbjGRNC4 (ORCPT ); Tue, 18 Jul 2023 09:02:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232560AbjGRNB6 (ORCPT ); Tue, 18 Jul 2023 09:01:58 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB8441736; Tue, 18 Jul 2023 06:00:54 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 994B76157F; Tue, 18 Jul 2023 13:00:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA35DC433C7; Tue, 18 Jul 2023 13:00:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689685254; bh=XPV4TqBofI5Mv/9FxSzW2w9wDpjRH3FBmnl+elNmQmI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ISjla2n56YlijkAfztYf+g/V55gbC1NwHuZxMobak7dzq1xFYwC2FOjLzG7BhGk39 WElaQlZCvERhLtfdZN6U1NTa89maaiB/EROatQGBz3Tf+2R0fxGm7Mz2CwC19whuMX ujukHX5uc0QUGdmNauZEsgc+XRWigo+HTrRhHh/XQV3Lg2DIjDtQD7ngcClNZQzThu Ko41ly0UE0C9pfmRdwaPFsb6Gf5mwmNkCbbova/2+c4P5r9ZHJoRynlewW/aQwNEdd +wNcHpk9se26dAHR8lWvDp9i/MsFjfKPDw90Z4ePMA82jrNu75a/IUzbYcr5SjzBcx Au5HmuXBKW+SQ== From: Ard Biesheuvel To: linux-crypto@vger.kernel.org Cc: Ard Biesheuvel , Herbert Xu , Eric Biggers , Kees Cook , Haren Myneni , Nick Terrell , Minchan Kim , Sergey Senozhatsky , Jens Axboe , Giovanni Cabiddu , Richard Weinberger , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Steffen Klassert , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, qat-linux@intel.com, linuxppc-dev@lists.ozlabs.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org Subject: [RFC PATCH 18/21] crypto: compress_null - drop obsolete 'comp' implementation Date: Tue, 18 Jul 2023 14:58:44 +0200 Message-Id: <20230718125847.3869700-19-ardb@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230718125847.3869700-1-ardb@kernel.org> References: <20230718125847.3869700-1-ardb@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3053; i=ardb@kernel.org; h=from:subject; bh=XPV4TqBofI5Mv/9FxSzW2w9wDpjRH3FBmnl+elNmQmI=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIWVbT/O57bKCxz/9vLss0pfr+Jm/e61X1XTMfSsSULYue u/2p0xfOkpZGMQ4GGTFFFkEZv99t/P0RKla51myMHNYmUCGMHBxCsBE+MwY/odZ3Irasizr+IVT X0s6Prw8+Ytn0b/OLRkMdSdmL343SdCNkWHWzl16hVIP5jypnaLLdu2tadOnOdt63cPaO1PuCd/ ZfJQNAA== X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The 'comp' API is obsolete and will be removed, so remove this comp implementation. Signed-off-by: Ard Biesheuvel --- crypto/crypto_null.c | 31 ++++---------------- crypto/testmgr.c | 3 -- 2 files changed, 5 insertions(+), 29 deletions(-) diff --git a/crypto/crypto_null.c b/crypto/crypto_null.c index 5b84b0f7cc178fcd..75e73b1d6df01cc6 100644 --- a/crypto/crypto_null.c +++ b/crypto/crypto_null.c @@ -24,16 +24,6 @@ static DEFINE_MUTEX(crypto_default_null_skcipher_lock); static struct crypto_sync_skcipher *crypto_default_null_skcipher; static int crypto_default_null_skcipher_refcnt; -static int null_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - if (slen > *dlen) - return -EINVAL; - memcpy(dst, src, slen); - *dlen = slen; - return 0; -} - static int null_init(struct shash_desc *desc) { return 0; @@ -121,7 +111,7 @@ static struct skcipher_alg skcipher_null = { .decrypt = null_skcipher_crypt, }; -static struct crypto_alg null_algs[] = { { +static struct crypto_alg cipher_null = { .cra_name = "cipher_null", .cra_driver_name = "cipher_null-generic", .cra_flags = CRYPTO_ALG_TYPE_CIPHER, @@ -134,19 +124,8 @@ static struct crypto_alg null_algs[] = { { .cia_setkey = null_setkey, .cia_encrypt = null_crypt, .cia_decrypt = null_crypt } } -}, { - .cra_name = "compress_null", - .cra_driver_name = "compress_null-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_blocksize = NULL_BLOCK_SIZE, - .cra_ctxsize = 0, - .cra_module = THIS_MODULE, - .cra_u = { .compress = { - .coa_compress = null_compress, - .coa_decompress = null_compress } } -} }; +}; -MODULE_ALIAS_CRYPTO("compress_null"); MODULE_ALIAS_CRYPTO("digest_null"); MODULE_ALIAS_CRYPTO("cipher_null"); @@ -189,7 +168,7 @@ static int __init crypto_null_mod_init(void) { int ret = 0; - ret = crypto_register_algs(null_algs, ARRAY_SIZE(null_algs)); + ret = crypto_register_alg(&cipher_null); if (ret < 0) goto out; @@ -206,14 +185,14 @@ static int __init crypto_null_mod_init(void) out_unregister_shash: crypto_unregister_shash(&digest_null); out_unregister_algs: - crypto_unregister_algs(null_algs, ARRAY_SIZE(null_algs)); + crypto_unregister_alg(&cipher_null); out: return ret; } static void __exit crypto_null_mod_fini(void) { - crypto_unregister_algs(null_algs, ARRAY_SIZE(null_algs)); + crypto_unregister_alg(&cipher_null); crypto_unregister_shash(&digest_null); crypto_unregister_skcipher(&skcipher_null); } diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 4971351f55dbabb9..e4b6d67233763193 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -4633,9 +4633,6 @@ static const struct alg_test_desc alg_test_descs[] = { .suite = { .hash = __VECS(sm4_cmac128_tv_template) } - }, { - .alg = "compress_null", - .test = alg_test_null, }, { .alg = "crc32", .test = alg_test_hash,