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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 26B01C282CE for ; Thu, 11 Apr 2019 08:51:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E24DF2184B for ; Thu, 11 Apr 2019 08:51:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727027AbfDKIvE (ORCPT ); Thu, 11 Apr 2019 04:51:04 -0400 Received: from orcrist.hmeau.com ([104.223.48.154]:41212 "EHLO deadmen.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726708AbfDKIvE (ORCPT ); Thu, 11 Apr 2019 04:51:04 -0400 Received: from gondobar.mordor.me.apana.org.au ([192.168.128.4] helo=gondobar) by deadmen.hmeau.com with esmtps (Exim 4.89 #2 (Debian)) id 1hEVQE-0003Kq-Es for ; Thu, 11 Apr 2019 16:51:02 +0800 Received: from herbert by gondobar with local (Exim 4.89) (envelope-from ) id 1hEVQE-0006mC-7q; Thu, 11 Apr 2019 16:51:02 +0800 Subject: [PATCH 6/24] crypto: caam - Forbid 2-key 3DES in FIPS mode References: <20190411084707.h56mz2z7jxusnr7u@gondor.apana.org.au> To: Linux Crypto Mailing List Message-Id: From: Herbert Xu Date: Thu, 11 Apr 2019 16:51:02 +0800 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org This patch forbids the use of 2-key 3DES (K1 == K3) in FIPS mode. Signed-off-by: Herbert Xu --- drivers/crypto/caam/caamalg.c | 57 +++++++++++++++++++++++++------- drivers/crypto/caam/caamalg_qi.c | 66 ++++++++++++++++++++++++++++++-------- drivers/crypto/caam/caamalg_qi2.c | 66 ++++++++++++++++++++++++++++++-------- 3 files changed, 151 insertions(+), 38 deletions(-) diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 579578498deb..0030cee3e75d 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -638,6 +638,39 @@ static int aead_setkey(struct crypto_aead *aead, return -EINVAL; } +static int 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); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + 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 = aead_setkey(aead, key, keylen); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + static int gcm_setkey(struct crypto_aead *aead, const u8 *key, unsigned int keylen) { @@ -2457,7 +2490,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2479,7 +2512,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2502,7 +2535,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2525,7 +2558,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2548,7 +2581,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2571,7 +2604,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2594,7 +2627,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2617,7 +2650,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2640,7 +2673,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2663,7 +2696,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2686,7 +2719,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2709,7 +2742,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c index c61921d32489..70af211d2d01 100644 --- a/drivers/crypto/caam/caamalg_qi.c +++ b/drivers/crypto/caam/caamalg_qi.c @@ -292,6 +292,39 @@ static int aead_setkey(struct crypto_aead *aead, const u8 *key, return -EINVAL; } +static int 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); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + 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 = aead_setkey(aead, key, keylen); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + static int gcm_set_sh_desc(struct crypto_aead *aead) { struct caam_ctx *ctx = crypto_aead_ctx(aead); @@ -667,6 +700,13 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, return -EINVAL; } +static int des3_skcipher_setkey(struct crypto_skcipher *skcipher, + const u8 *key, unsigned int keylen) +{ + return unlikely(des3_verify_key(skcipher, key)) ?: + skcipher_setkey(skcipher, key, keylen); +} + static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, unsigned int keylen) { @@ -1382,7 +1422,7 @@ static struct caam_skcipher_alg driver_algs[] = { .cra_driver_name = "cbc-3des-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = skcipher_setkey, + .setkey = des3_skcipher_setkey, .encrypt = skcipher_encrypt, .decrypt = skcipher_decrypt, .min_keysize = DES3_EDE_KEY_SIZE, @@ -1798,7 +1838,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1820,7 +1860,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1843,7 +1883,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1866,7 +1906,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1889,7 +1929,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1912,7 +1952,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1935,7 +1975,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1958,7 +1998,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1981,7 +2021,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2004,7 +2044,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2027,7 +2067,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2050,7 +2090,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c index c2c1abc68f81..d19c97acf1aa 100644 --- a/drivers/crypto/caam/caamalg_qi2.c +++ b/drivers/crypto/caam/caamalg_qi2.c @@ -323,6 +323,39 @@ static int aead_setkey(struct crypto_aead *aead, const u8 *key, return -EINVAL; } +static int 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); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + 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 = aead_setkey(aead, key, keylen); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, bool encrypt) { @@ -938,6 +971,13 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, return 0; } +static int des3_skcipher_setkey(struct crypto_skcipher *skcipher, + const u8 *key, unsigned int keylen) +{ + return unlikely(des3_verify_key(skcipher, key)) ?: + skcipher_setkey(skcipher, key, keylen); +} + static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, unsigned int keylen) { @@ -1484,7 +1524,7 @@ static struct caam_skcipher_alg driver_algs[] = { .cra_driver_name = "cbc-3des-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = skcipher_setkey, + .setkey = des3_skcipher_setkey, .encrypt = skcipher_encrypt, .decrypt = skcipher_decrypt, .min_keysize = DES3_EDE_KEY_SIZE, @@ -1916,7 +1956,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1938,7 +1978,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1961,7 +2001,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1984,7 +2024,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2007,7 +2047,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2030,7 +2070,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2053,7 +2093,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2076,7 +2116,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2099,7 +2139,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2122,7 +2162,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2145,7 +2185,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2168,7 +2208,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt,