From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 07C80C43613 for ; Sat, 22 Jun 2019 00:32:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D16D72084E for ; Sat, 22 Jun 2019 00:32:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="tE4G1zc5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726215AbfFVAcF (ORCPT ); Fri, 21 Jun 2019 20:32:05 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:37724 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726141AbfFVAcD (ORCPT ); Fri, 21 Jun 2019 20:32:03 -0400 Received: by mail-wm1-f68.google.com with SMTP id f17so8103112wme.2 for ; Fri, 21 Jun 2019 17:32:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=43iFQu78wgoaNu64Kv3t6cejeLFkzXhBymZ9nsSNkdI=; b=tE4G1zc5hed7KbunYdBx4wC+eNX1jJMbadxhiSRX1qMXE5nqp7CxnrItOFhfotVQp3 txelMVliEP5U9VPQA0R3Q7ChIfEB/x2zLQJ20ikHcG6UFcuRFCcJ9rCrjccxl7KvNtEb Tnf7oc73Rm3A2AH5oQN0GAbriJOGsxVq3n4DBmcuvBOtjd0eXibTbfB6lbfZC6RS2UX7 hq6frp1e9wGChQTFqMnn9RlxwUKthDJxarzn7S9U6XJv09VShXboi1jde92eeKcYaM6R Jo9DqLfGoI9s/xrNnmiB1JvSOHIk03DrX407bjagrqu5Ym9Jpg74ScQRmsasr75S3SiR sH4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=43iFQu78wgoaNu64Kv3t6cejeLFkzXhBymZ9nsSNkdI=; b=kvGqT9P4DULcGZjBE5gWiFPKE+ARXVGHdCeI/GieN0mzlLK1/tvb2SmmCigzr96b83 aOE7VN/TrXDhGTPauchTG9MrGlHpUoGE6Am5BQ0YpleiNE8AMNA/N6S0PoJ+RchY/MRF vlk0X/uydnEpFzBM4FYgHTc4ddU+TYVaUa1EjmVXd6cfzIpXSHitQrqqY2i/Omtvdjzd Gj5XSJPN2hmFN9kkxoSDHwTIyt3yeAAKXFKoqySdSY07/H7jDpS6YNdkgc35xg+0FWOt R7EllmKdrYawka63uwWNIEhAOyRJ2MdAHbhPJL+vLIH10WPmbhU27DHnBk1RbAdmw86M 3aAQ== X-Gm-Message-State: APjAAAUvKDwZCGDLUpvTc/b7o+gOnRE/cZGvQkuKFql+/uFIwlZCNxiY qEVL4DD9LTxVHYlJPTeHNjeJ+hDAWoFVvYJS X-Google-Smtp-Source: APXvYqywIuVzqnsxZ64X55/3DildWkVRR9rET58J3Dy+9FFcFWNqZ3BdLUoyNv30hVl7ml1Ro1lmnA== X-Received: by 2002:a7b:c215:: with SMTP id x21mr5663657wmi.38.1561163521055; Fri, 21 Jun 2019 17:32:01 -0700 (PDT) Received: from sudo.home ([2a01:cb1d:112:6f00:99d4:1ff0:ed6:dfbb]) by smtp.gmail.com with ESMTPSA id v18sm4792019wrd.51.2019.06.21.17.32.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Jun 2019 17:32:00 -0700 (PDT) From: Ard Biesheuvel To: linux-crypto@vger.kernel.org Cc: herbert@gondor.apana.org.au, ebiggers@google.com, Ard Biesheuvel Subject: [RFC PATCH 16/30] crypto: n2/des - switch to new verification routines Date: Sat, 22 Jun 2019 02:30:58 +0200 Message-Id: <20190622003112.31033-17-ard.biesheuvel@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190622003112.31033-1-ard.biesheuvel@linaro.org> References: <20190622003112.31033-1-ard.biesheuvel@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Signed-off-by: Ard Biesheuvel --- drivers/crypto/n2_core.c | 26 ++++++-------------- 1 file changed, 7 insertions(+), 19 deletions(-) diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index 0d5d3d8eb680..132961a33b6d 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include #include #include #include @@ -759,21 +759,13 @@ static int n2_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm); struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm); - u32 tmp[DES_EXPKEY_WORDS]; int err; - ctx->enc_type = n2alg->enc_type; - - if (keylen != DES_KEY_SIZE) { - crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } + err = crypto_des_verify_key(tfm, key, keylen); + if (unlikely(err)) + return err; - err = des_ekey(tmp, key); - if (err == 0 && (tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; - } + ctx->enc_type = n2alg->enc_type; ctx->key_len = keylen; memcpy(ctx->key.des, key, keylen); @@ -786,15 +778,11 @@ static int n2_3des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm); struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm); - u32 flags; int err; - flags = crypto_ablkcipher_get_flags(cipher); - err = __des3_verify_key(&flags, key); - if (unlikely(err)) { - crypto_ablkcipher_set_flags(cipher, flags); + err = crypto_des3_ede_verify_key(tfm, key, keylen); + if (unlikely(err)) return err; - } ctx->enc_type = n2alg->enc_type; -- 2.20.1