mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
3e3dc25fe7
Change formal parameters to not clash with global names to eliminate many W=2 warnings. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/*
|
|
* Symmetric key ciphers.
|
|
*
|
|
* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
*/
|
|
|
|
#ifndef _CRYPTO_SKCIPHER_H
|
|
#define _CRYPTO_SKCIPHER_H
|
|
|
|
#include <linux/crypto.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/slab.h>
|
|
|
|
/**
|
|
* struct skcipher_givcrypt_request - Crypto request with IV generation
|
|
* @seq: Sequence number for IV generation
|
|
* @giv: Space for generated IV
|
|
* @creq: The crypto request itself
|
|
*/
|
|
struct skcipher_givcrypt_request {
|
|
u64 seq;
|
|
u8 *giv;
|
|
|
|
struct ablkcipher_request creq;
|
|
};
|
|
|
|
static inline struct crypto_ablkcipher *skcipher_givcrypt_reqtfm(
|
|
struct skcipher_givcrypt_request *req)
|
|
{
|
|
return crypto_ablkcipher_reqtfm(&req->creq);
|
|
}
|
|
|
|
static inline int crypto_skcipher_givencrypt(
|
|
struct skcipher_givcrypt_request *req)
|
|
{
|
|
struct ablkcipher_tfm *crt =
|
|
crypto_ablkcipher_crt(skcipher_givcrypt_reqtfm(req));
|
|
return crt->givencrypt(req);
|
|
};
|
|
|
|
static inline int crypto_skcipher_givdecrypt(
|
|
struct skcipher_givcrypt_request *req)
|
|
{
|
|
struct ablkcipher_tfm *crt =
|
|
crypto_ablkcipher_crt(skcipher_givcrypt_reqtfm(req));
|
|
return crt->givdecrypt(req);
|
|
};
|
|
|
|
static inline void skcipher_givcrypt_set_tfm(
|
|
struct skcipher_givcrypt_request *req, struct crypto_ablkcipher *tfm)
|
|
{
|
|
req->creq.base.tfm = crypto_ablkcipher_tfm(tfm);
|
|
}
|
|
|
|
static inline struct skcipher_givcrypt_request *skcipher_givcrypt_cast(
|
|
struct crypto_async_request *req)
|
|
{
|
|
return container_of(ablkcipher_request_cast(req),
|
|
struct skcipher_givcrypt_request, creq);
|
|
}
|
|
|
|
static inline struct skcipher_givcrypt_request *skcipher_givcrypt_alloc(
|
|
struct crypto_ablkcipher *tfm, gfp_t gfp)
|
|
{
|
|
struct skcipher_givcrypt_request *req;
|
|
|
|
req = kmalloc(sizeof(struct skcipher_givcrypt_request) +
|
|
crypto_ablkcipher_reqsize(tfm), gfp);
|
|
|
|
if (likely(req))
|
|
skcipher_givcrypt_set_tfm(req, tfm);
|
|
|
|
return req;
|
|
}
|
|
|
|
static inline void skcipher_givcrypt_free(struct skcipher_givcrypt_request *req)
|
|
{
|
|
kfree(req);
|
|
}
|
|
|
|
static inline void skcipher_givcrypt_set_callback(
|
|
struct skcipher_givcrypt_request *req, u32 flags,
|
|
crypto_completion_t compl, void *data)
|
|
{
|
|
ablkcipher_request_set_callback(&req->creq, flags, compl, data);
|
|
}
|
|
|
|
static inline void skcipher_givcrypt_set_crypt(
|
|
struct skcipher_givcrypt_request *req,
|
|
struct scatterlist *src, struct scatterlist *dst,
|
|
unsigned int nbytes, void *iv)
|
|
{
|
|
ablkcipher_request_set_crypt(&req->creq, src, dst, nbytes, iv);
|
|
}
|
|
|
|
static inline void skcipher_givcrypt_set_giv(
|
|
struct skcipher_givcrypt_request *req, u8 *giv, u64 seq)
|
|
{
|
|
req->giv = giv;
|
|
req->seq = seq;
|
|
}
|
|
|
|
#endif /* _CRYPTO_SKCIPHER_H */
|
|
|