Received: by 2002:a25:b794:0:0:0:0:0 with SMTP id n20csp2984016ybh; Mon, 5 Aug 2019 10:01:55 -0700 (PDT) X-Google-Smtp-Source: APXvYqx+OfTczIhUHAGXpZNm7u27Mz0ZePHu0xuwzvzJ2Dwxd3522HId3jAte8tnsGe/wNBPYb4w X-Received: by 2002:a17:90a:21cc:: with SMTP id q70mr19807822pjc.56.1565024515232; Mon, 05 Aug 2019 10:01:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565024515; cv=none; d=google.com; s=arc-20160816; b=lqVSLmNNautjCIERmDvfgvnsQjIcvgMOBR+5v/9A/ALuVFMeiF2IJwtvQ5aJAlvaBX C0LK+NL2PgKAGZxICMNFU1yG9YPgfP0MVR0rLO+papV0awoZk9ZJ+LF9ZuqjsEZGxX1b j/edVOv2YK2Plmc0E7QL1ps0VWqSquVLJaPvwqyehiF+TTSgViyOKYX4BkNzc1IC4lvC fLDLFSJQeFV1r76zjz357mDphNhYJoNNlMQoxXwzVQ3PfiWqgbOZ710Z0Rj2hNOkpKP3 H+W+C2kLyZaTOZzDxtj1UmS/lDPt6YZLlIyO0L7dC/s6BQXl+YGPhpVzZt+vqPSM1uXR JlyA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature; bh=PGua0WZIt91UEgeBUrdKZnsCkK+MXLAWZjIqwFsnjF4=; b=sDe6xQnZpOF9qpUTYh+IAx/2CMY2vpYWuOe7xHl2JM4JEBpmJvgfn3ar3IpagQX4ia 5E0AjxlQv/FRbvTFB6KuXmhPV2zJAHwgBsfTEhXtgqxbxtEOzZvN2fkpmlrSxteC4zji 2rKNJ/rHjxGSqgFddJIHIZs29dAur42PxAEl8dMnolZZGdiFp/+HdhOJjoPN9wWLQvdz l5fvtMAWG+5QiVvOyCaowj2KmBY1QD2PITyqL+ZIH8GaFkYu/RF4mLqxW+ZNuMgYdMDf t+VPWxagJElOfFx9/KMY4ltSFZCc2VOrHS7W5TZe0ZObomeeYRi5ThkWlkm5LGGN/UJA cv7g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=wdbtv22K; spf=pass (google.com: best guess record for domain of linux-crypto-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k22si14340036pfi.289.2019.08.05.10.01.42; Mon, 05 Aug 2019 10:01:55 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-crypto-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=wdbtv22K; spf=pass (google.com: best guess record for domain of linux-crypto-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729482AbfHERBl (ORCPT + 99 others); Mon, 5 Aug 2019 13:01:41 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:38244 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728871AbfHERBk (ORCPT ); Mon, 5 Aug 2019 13:01:40 -0400 Received: by mail-wr1-f67.google.com with SMTP id g17so85135994wrr.5 for ; Mon, 05 Aug 2019 10:01:38 -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; bh=PGua0WZIt91UEgeBUrdKZnsCkK+MXLAWZjIqwFsnjF4=; b=wdbtv22KbeZBxZoKdr9HCc1T4iV7TtabLPlVtd9NuzdQTNsrbnpSzZyUfz10PchUgE v1bhneT37HR+ItLZVXLpv61YLUpat4dKmUjxbaMdiNTsSA05yxOi3odA7Xy7h4IGpCpL nXopI1SPPJtWucbwMoLS5KvBJw/oYpViAvj2uEV4DAqLtB5IE0oKYVo6Bayf6LwPVnE1 3c+0gl/wRQtnDzPxJTy0LCcJuwCODM3pTFH6tahmSUttWRP0arKjGHhhJK/8o7DqEcvf Bnd1s6kyzlZj+XH17YA58eyPKDh9Dt3Pe+M8PPxj0hhnkl+NJefhSgHmCK7n0yYqjjC2 +Ikg== 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; bh=PGua0WZIt91UEgeBUrdKZnsCkK+MXLAWZjIqwFsnjF4=; b=I0iB3lmf4KoHGhAo4uOAIGGuM9AvrR7sJrWxoTrN2GrLUg8zXEAbBw3hWgdIvyy2oE Dj7/yNfmjxQQmG6L0e2HWz+G9yDO1EolBRZesNmZ1fF/kh1xSozGaTxvMkH2pHIYoDGt UOvl1XDPpL8m+OLQpFvEWLSabIqMktsPt2uv6813gKlOagazDr5am0gmyUMl0oGPihaG 89Rg+v2DNREohG5SINpZnM2r76K9RwOtOvkhfoyh7n8Zp0cBgfjjcK7e8LxrXsSq1jvk kOT7KrweWPIquuHTirs9ce20Rhwa3mfzHlctCMeIyC0nuadObUpu65vmUr30aehbuo2I b+/Q== X-Gm-Message-State: APjAAAXnHGOWObf/QqMQ+96e9rxzwV20Gq8hul+nmxjdoI3anKxZJNa/ AO9QysID1MDMJ5/HmPWiSeTAS0YhQZ6fgg== X-Received: by 2002:a5d:65c5:: with SMTP id e5mr25461123wrw.266.1565024498098; Mon, 05 Aug 2019 10:01:38 -0700 (PDT) Received: from localhost.localdomain ([2a02:587:a407:da00:582f:8334:9cd9:7241]) by smtp.gmail.com with ESMTPSA id j9sm95669383wrn.81.2019.08.05.10.01.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Aug 2019 10:01:37 -0700 (PDT) From: Ard Biesheuvel To: linux-crypto@vger.kernel.org Cc: herbert@gondor.apana.org.au, ebiggers@kernel.org, horia.geanta@nxp.com, Ard Biesheuvel Subject: [PATCH v4 10/30] crypto: ccree/des - switch to new verification routines Date: Mon, 5 Aug 2019 20:00:17 +0300 Message-Id: <20190805170037.31330-11-ard.biesheuvel@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190805170037.31330-1-ard.biesheuvel@linaro.org> References: <20190805170037.31330-1-ard.biesheuvel@linaro.org> 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/ccree/cc_aead.c | 13 +++---------- drivers/crypto/ccree/cc_cipher.c | 15 ++++----------- 2 files changed, 7 insertions(+), 21 deletions(-) diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c index ce302adc76c7..8174ff1d93d6 100644 --- a/drivers/crypto/ccree/cc_aead.c +++ b/drivers/crypto/ccree/cc_aead.c @@ -6,7 +6,7 @@ #include #include #include -#include +#include #include #include "cc_driver.h" #include "cc_buffer_mgr.h" @@ -648,7 +648,6 @@ static int cc_des3_aead_setkey(struct crypto_aead *aead, const u8 *key, unsigned int keylen) { struct crypto_authenc_keys keys; - u32 flags; int err; err = crypto_authenc_extractkeys(&keys, key, keylen); @@ -659,14 +658,8 @@ static int cc_des3_aead_setkey(struct crypto_aead *aead, const u8 *key, if (keys.enckeylen != DES3_EDE_KEY_SIZE) goto badkey; - flags = crypto_aead_get_flags(aead); - err = __des3_verify_key(&flags, keys.enckey); - if (unlikely(err)) { - crypto_aead_set_flags(aead, flags); - goto out; - } - - err = cc_aead_setkey(aead, key, keylen); + err = crypto_des3_ede_verify_key(crypto_aead_tfm(aead), keys.enckey) ?: + cc_aead_setkey(aead, key, keylen); out: memzero_explicit(&keys, sizeof(keys)); diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c index 5b58226ea24d..dc30f5aeca10 100644 --- a/drivers/crypto/ccree/cc_cipher.c +++ b/drivers/crypto/ccree/cc_cipher.c @@ -5,7 +5,7 @@ #include #include #include -#include +#include #include #include #include @@ -411,16 +411,9 @@ static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, * HW does the expansion on its own. */ if (ctx_p->flow_mode == S_DIN_to_DES) { - u32 tmp[DES3_EDE_EXPKEY_WORDS]; - if (keylen == DES3_EDE_KEY_SIZE && - __des3_ede_setkey(tmp, &tfm->crt_flags, key, - DES3_EDE_KEY_SIZE)) { - dev_dbg(dev, "weak 3DES key"); - return -EINVAL; - } else if (!des_ekey(tmp, key) && - (crypto_tfm_get_flags(tfm) & - CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; + if ((keylen == DES3_EDE_KEY_SIZE && + crypto_des3_ede_verify_key(tfm, key)) || + crypto_des_verify_key(tfm, key)) { dev_dbg(dev, "weak DES key"); return -EINVAL; } -- 2.17.1