diff options
Diffstat (limited to 'drivers/crypto/bcm/cipher.c')
-rw-r--r-- | drivers/crypto/bcm/cipher.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c index 28f592f7e1b7..18410c9e7b29 100644 --- a/drivers/crypto/bcm/cipher.c +++ b/drivers/crypto/bcm/cipher.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2016 Broadcom - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation (the "GPL"). - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 (GPLv2) for more details. - * - * You should have received a copy of the GNU General Public License - * version 2 (GPLv2) along with this source code. */ #include <linux/err.h> @@ -1840,13 +1829,14 @@ static int threedes_setkey(struct crypto_ablkcipher *cipher, const u8 *key, struct iproc_ctx_s *ctx = crypto_ablkcipher_ctx(cipher); if (keylen == (DES_KEY_SIZE * 3)) { - const u32 *K = (const u32 *)key; - u32 flags = CRYPTO_TFM_RES_BAD_KEY_SCHED; + u32 flags; + int ret; - if (!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) { + flags = crypto_ablkcipher_get_flags(cipher); + ret = __des3_verify_key(&flags, key); + if (unlikely(ret)) { crypto_ablkcipher_set_flags(cipher, flags); - return -EINVAL; + return ret; } ctx->cipher_type = CIPHER_TYPE_3DES; @@ -2139,7 +2129,6 @@ static int ahash_init(struct ahash_request *req) goto err_hash; } ctx->shash->tfm = hash; - ctx->shash->flags = 0; /* Set the key using data we already have from setkey */ if (ctx->authkeylen > 0) { @@ -2885,13 +2874,13 @@ static int aead_authenc_setkey(struct crypto_aead *cipher, break; case CIPHER_ALG_3DES: if (ctx->enckeylen == (DES_KEY_SIZE * 3)) { - const u32 *K = (const u32 *)keys.enckey; - u32 flags = CRYPTO_TFM_RES_BAD_KEY_SCHED; + u32 flags; - if (!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) { + flags = crypto_aead_get_flags(cipher); + ret = __des3_verify_key(&flags, keys.enckey); + if (unlikely(ret)) { crypto_aead_set_flags(cipher, flags); - return -EINVAL; + return ret; } ctx->cipher_type = CIPHER_TYPE_3DES; |