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crypto: chacha - remove <crypto/internal/chacha.h>

Browse source 
<crypto/internal/chacha.h> is now included only by crypto/chacha.c, so
fold it into there.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2025-04-05 11:26:09 -07:00 • committed by Herbert Xu
parent 632ab0978f
commit d23fce15ab
2 changed files with 34 additions and 44 deletions
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35
crypto/chacha.c
View file

@ -8,10 +8,43 @@
#include <linux/unaligned.h>
#include <crypto/algapi.h>
#include <crypto/internal/chacha.h>
#include <crypto/chacha.h>
#include <crypto/internal/skcipher.h>
#include <linux/module.h>
struct chacha_ctx {
u32 key[8];
int nrounds;
};
static int chacha_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keysize, int nrounds)
{
struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm);
int i;
if (keysize != CHACHA_KEY_SIZE)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(ctx->key); i++)
ctx->key[i] = get_unaligned_le32(key + i * sizeof(u32));
ctx->nrounds = nrounds;
return 0;
}
static int chacha20_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 20);
}
static int chacha12_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 12);
}
static int chacha_stream_xor(struct skcipher_request *req,
const struct chacha_ctx *ctx, const u8 *iv,
bool arch)

43
include/crypto/internal/chacha.h
View file

@ -1,43 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CRYPTO_INTERNAL_CHACHA_H
#define _CRYPTO_INTERNAL_CHACHA_H
#include <crypto/chacha.h>
#include <crypto/internal/skcipher.h>
#include <linux/crypto.h>
struct chacha_ctx {
u32 key[8];
int nrounds;
};
static inline int chacha_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keysize, int nrounds)
{
struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm);
int i;
if (keysize != CHACHA_KEY_SIZE)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(ctx->key); i++)
ctx->key[i] = get_unaligned_le32(key + i * sizeof(u32));
ctx->nrounds = nrounds;
return 0;
}
static inline int chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 20);
}
static inline int chacha12_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 12);
}
#endif /* _CRYPTO_CHACHA_H */