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Mon, 05 Aug 2019 10:01:04 -0700 (PDT) Received: from localhost.localdomain ([2a02:587:a407:da00:582f:8334:9cd9:7241]) by smtp.gmail.com with ESMTPSA id j9sm95669383wrn.81.2019.08.05.10.01.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Aug 2019 10:01:04 -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 03/30] crypto: sparc/des - switch to new verification routines Date: Mon, 5 Aug 2019 20:00:10 +0300 Message-Id: <20190805170037.31330-4-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 --- arch/sparc/crypto/des_glue.c | 37 +++++++++----------- 1 file changed, 16 insertions(+), 21 deletions(-) diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c index 281448f72c90..5b631dc31497 100644 --- a/arch/sparc/crypto/des_glue.c +++ b/arch/sparc/crypto/des_glue.c @@ -12,7 +12,7 @@ #include #include #include -#include +#include #include #include @@ -45,19 +45,15 @@ static int des_set_key(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { struct des_sparc64_ctx *dctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - u32 tmp[DES_EXPKEY_WORDS]; - int ret; + int err; /* Even though we have special instructions for key expansion, - * we call des_ekey() so that we don't have to write our own + * we call des_verify_key() so that we don't have to write our own * weak key detection code. */ - ret = des_ekey(tmp, key); - if (unlikely(ret == 0) && (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; - } + err = crypto_des_verify_key(tfm, key); + if (err) + return err; des_sparc64_key_expand((const u32 *) key, &dctx->encrypt_expkey[0]); encrypt_to_decrypt(&dctx->decrypt_expkey[0], &dctx->encrypt_expkey[0]); @@ -68,7 +64,7 @@ static int des_set_key(struct crypto_tfm *tfm, const u8 *key, extern void des_sparc64_crypt(const u64 *key, const u64 *input, u64 *output); -static void des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) +static void crypto_des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct des_sparc64_ctx *ctx = crypto_tfm_ctx(tfm); const u64 *K = ctx->encrypt_expkey; @@ -76,7 +72,7 @@ static void des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) des_sparc64_crypt(K, (const u64 *) src, (u64 *) dst); } -static void des_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) +static void crypto_des_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct des_sparc64_ctx *ctx = crypto_tfm_ctx(tfm); const u64 *K = ctx->decrypt_expkey; @@ -202,14 +198,13 @@ static int des3_ede_set_key(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { struct des3_ede_sparc64_ctx *dctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; u64 k1[DES_EXPKEY_WORDS / 2]; u64 k2[DES_EXPKEY_WORDS / 2]; u64 k3[DES_EXPKEY_WORDS / 2]; int err; - err = __des3_verify_key(flags, key); - if (unlikely(err)) + err = crypto_des3_ede_verify_key(tfm, key); + if (err) return err; des_sparc64_key_expand((const u32 *)key, k1); @@ -235,7 +230,7 @@ static int des3_ede_set_key(struct crypto_tfm *tfm, const u8 *key, extern void des3_ede_sparc64_crypt(const u64 *key, const u64 *input, u64 *output); -static void des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) +static void crypto_des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct des3_ede_sparc64_ctx *ctx = crypto_tfm_ctx(tfm); const u64 *K = ctx->encrypt_expkey; @@ -243,7 +238,7 @@ static void des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) des3_ede_sparc64_crypt(K, (const u64 *) src, (u64 *) dst); } -static void des3_ede_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) +static void crypto_des3_ede_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct des3_ede_sparc64_ctx *ctx = crypto_tfm_ctx(tfm); const u64 *K = ctx->decrypt_expkey; @@ -390,8 +385,8 @@ static struct crypto_alg algs[] = { { .cia_min_keysize = DES_KEY_SIZE, .cia_max_keysize = DES_KEY_SIZE, .cia_setkey = des_set_key, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt + .cia_encrypt = crypto_des_encrypt, + .cia_decrypt = crypto_des_decrypt } } }, { @@ -447,8 +442,8 @@ static struct crypto_alg algs[] = { { .cia_min_keysize = DES3_EDE_KEY_SIZE, .cia_max_keysize = DES3_EDE_KEY_SIZE, .cia_setkey = des3_ede_set_key, - .cia_encrypt = des3_ede_encrypt, - .cia_decrypt = des3_ede_decrypt + .cia_encrypt = crypto_des3_ede_encrypt, + .cia_decrypt = crypto_des3_ede_decrypt } } }, { -- 2.17.1