shash.c (14e77332e74603efab8347c89d3cda447c3b97c9) shash.c (c060e16ddb51a92b1f7fa84c628d287ea5799864)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Synchronous Cryptographic Hash operations.
4 *
5 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
6 */
7
8#include <crypto/scatterwalk.h>

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15#include <linux/cryptouser.h>
16#include <net/netlink.h>
17#include <linux/compiler.h>
18
19#include "internal.h"
20
21static const struct crypto_type crypto_shash_type;
22
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Synchronous Cryptographic Hash operations.
4 *
5 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
6 */
7
8#include <crypto/scatterwalk.h>

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15#include <linux/cryptouser.h>
16#include <net/netlink.h>
17#include <linux/compiler.h>
18
19#include "internal.h"
20
21static const struct crypto_type crypto_shash_type;
22
23static int shash_no_setkey(struct crypto_shash *tfm, const u8 *key,
24 unsigned int keylen)
23int shash_no_setkey(struct crypto_shash *tfm, const u8 *key,
24 unsigned int keylen)
25{
26 return -ENOSYS;
27}
25{
26 return -ENOSYS;
27}
28EXPORT_SYMBOL_GPL(shash_no_setkey);
28
29
29/*
30 * Check whether an shash algorithm has a setkey function.
31 *
32 * For CFI compatibility, this must not be an inline function. This is because
33 * when CFI is enabled, modules won't get the same address for shash_no_setkey
34 * (if it were exported, which inlining would require) as the core kernel will.
35 */
36bool crypto_shash_alg_has_setkey(struct shash_alg *alg)
37{
38 return alg->setkey != shash_no_setkey;
39}
40EXPORT_SYMBOL_GPL(crypto_shash_alg_has_setkey);
41
42static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
43 unsigned int keylen)
44{
45 struct shash_alg *shash = crypto_shash_alg(tfm);
46 unsigned long alignmask = crypto_shash_alignmask(tfm);
47 unsigned long absize;
48 u8 *buffer, *alignbuffer;
49 int err;

--- 584 unchanged lines hidden --- 		30static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
31 unsigned int keylen)
32{
33 struct shash_alg *shash = crypto_shash_alg(tfm);
34 unsigned long alignmask = crypto_shash_alignmask(tfm);
35 unsigned long absize;
36 u8 *buffer, *alignbuffer;
37 int err;

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