mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 10:40:15 +02:00
edbd1ecbd8
There is no need for ahash_mcryptd_{update,final,finup,digest}(); we
should just call crypto_ahash_*() directly.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
257 lines
6.6 KiB
C
257 lines
6.6 KiB
C
/*
|
|
* Hash algorithms.
|
|
*
|
|
* Copyright (c) 2008 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_INTERNAL_HASH_H
|
|
#define _CRYPTO_INTERNAL_HASH_H
|
|
|
|
#include <crypto/algapi.h>
|
|
#include <crypto/hash.h>
|
|
|
|
struct ahash_request;
|
|
struct scatterlist;
|
|
|
|
struct crypto_hash_walk {
|
|
char *data;
|
|
|
|
unsigned int offset;
|
|
unsigned int alignmask;
|
|
|
|
struct page *pg;
|
|
unsigned int entrylen;
|
|
|
|
unsigned int total;
|
|
struct scatterlist *sg;
|
|
|
|
unsigned int flags;
|
|
};
|
|
|
|
struct ahash_instance {
|
|
struct ahash_alg alg;
|
|
};
|
|
|
|
struct shash_instance {
|
|
struct shash_alg alg;
|
|
};
|
|
|
|
struct crypto_ahash_spawn {
|
|
struct crypto_spawn base;
|
|
};
|
|
|
|
struct crypto_shash_spawn {
|
|
struct crypto_spawn base;
|
|
};
|
|
|
|
extern const struct crypto_type crypto_ahash_type;
|
|
|
|
int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
|
|
int crypto_hash_walk_first(struct ahash_request *req,
|
|
struct crypto_hash_walk *walk);
|
|
int crypto_ahash_walk_first(struct ahash_request *req,
|
|
struct crypto_hash_walk *walk);
|
|
|
|
static inline int crypto_ahash_walk_done(struct crypto_hash_walk *walk,
|
|
int err)
|
|
{
|
|
return crypto_hash_walk_done(walk, err);
|
|
}
|
|
|
|
static inline int crypto_hash_walk_last(struct crypto_hash_walk *walk)
|
|
{
|
|
return !(walk->entrylen | walk->total);
|
|
}
|
|
|
|
static inline int crypto_ahash_walk_last(struct crypto_hash_walk *walk)
|
|
{
|
|
return crypto_hash_walk_last(walk);
|
|
}
|
|
|
|
int crypto_register_ahash(struct ahash_alg *alg);
|
|
int crypto_unregister_ahash(struct ahash_alg *alg);
|
|
int crypto_register_ahashes(struct ahash_alg *algs, int count);
|
|
void crypto_unregister_ahashes(struct ahash_alg *algs, int count);
|
|
int ahash_register_instance(struct crypto_template *tmpl,
|
|
struct ahash_instance *inst);
|
|
void ahash_free_instance(struct crypto_instance *inst);
|
|
|
|
int shash_no_setkey(struct crypto_shash *tfm, const u8 *key,
|
|
unsigned int keylen);
|
|
|
|
static inline bool crypto_shash_alg_has_setkey(struct shash_alg *alg)
|
|
{
|
|
return alg->setkey != shash_no_setkey;
|
|
}
|
|
|
|
bool crypto_hash_alg_has_setkey(struct hash_alg_common *halg);
|
|
|
|
int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn,
|
|
struct hash_alg_common *alg,
|
|
struct crypto_instance *inst);
|
|
|
|
static inline void crypto_drop_ahash(struct crypto_ahash_spawn *spawn)
|
|
{
|
|
crypto_drop_spawn(&spawn->base);
|
|
}
|
|
|
|
struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
|
|
|
|
int crypto_register_shash(struct shash_alg *alg);
|
|
int crypto_unregister_shash(struct shash_alg *alg);
|
|
int crypto_register_shashes(struct shash_alg *algs, int count);
|
|
int crypto_unregister_shashes(struct shash_alg *algs, int count);
|
|
int shash_register_instance(struct crypto_template *tmpl,
|
|
struct shash_instance *inst);
|
|
void shash_free_instance(struct crypto_instance *inst);
|
|
|
|
int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
|
|
struct shash_alg *alg,
|
|
struct crypto_instance *inst);
|
|
|
|
static inline void crypto_drop_shash(struct crypto_shash_spawn *spawn)
|
|
{
|
|
crypto_drop_spawn(&spawn->base);
|
|
}
|
|
|
|
struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
|
|
|
|
int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
|
|
int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc);
|
|
int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc);
|
|
|
|
int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
|
|
|
|
static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
|
|
{
|
|
return crypto_tfm_ctx(crypto_ahash_tfm(tfm));
|
|
}
|
|
|
|
static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg)
|
|
{
|
|
return container_of(__crypto_hash_alg_common(alg), struct ahash_alg,
|
|
halg);
|
|
}
|
|
|
|
static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
|
|
unsigned int reqsize)
|
|
{
|
|
tfm->reqsize = reqsize;
|
|
}
|
|
|
|
static inline struct crypto_instance *ahash_crypto_instance(
|
|
struct ahash_instance *inst)
|
|
{
|
|
return container_of(&inst->alg.halg.base, struct crypto_instance, alg);
|
|
}
|
|
|
|
static inline struct ahash_instance *ahash_instance(
|
|
struct crypto_instance *inst)
|
|
{
|
|
return container_of(&inst->alg, struct ahash_instance, alg.halg.base);
|
|
}
|
|
|
|
static inline void *ahash_instance_ctx(struct ahash_instance *inst)
|
|
{
|
|
return crypto_instance_ctx(ahash_crypto_instance(inst));
|
|
}
|
|
|
|
static inline unsigned int ahash_instance_headroom(void)
|
|
{
|
|
return sizeof(struct ahash_alg) - sizeof(struct crypto_alg);
|
|
}
|
|
|
|
static inline struct ahash_instance *ahash_alloc_instance(
|
|
const char *name, struct crypto_alg *alg)
|
|
{
|
|
return crypto_alloc_instance2(name, alg, ahash_instance_headroom());
|
|
}
|
|
|
|
static inline void ahash_request_complete(struct ahash_request *req, int err)
|
|
{
|
|
req->base.complete(&req->base, err);
|
|
}
|
|
|
|
static inline u32 ahash_request_flags(struct ahash_request *req)
|
|
{
|
|
return req->base.flags;
|
|
}
|
|
|
|
static inline struct crypto_ahash *crypto_spawn_ahash(
|
|
struct crypto_ahash_spawn *spawn)
|
|
{
|
|
return crypto_spawn_tfm2(&spawn->base);
|
|
}
|
|
|
|
static inline int ahash_enqueue_request(struct crypto_queue *queue,
|
|
struct ahash_request *request)
|
|
{
|
|
return crypto_enqueue_request(queue, &request->base);
|
|
}
|
|
|
|
static inline struct ahash_request *ahash_dequeue_request(
|
|
struct crypto_queue *queue)
|
|
{
|
|
return ahash_request_cast(crypto_dequeue_request(queue));
|
|
}
|
|
|
|
static inline int ahash_tfm_in_queue(struct crypto_queue *queue,
|
|
struct crypto_ahash *tfm)
|
|
{
|
|
return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm));
|
|
}
|
|
|
|
static inline void *crypto_shash_ctx(struct crypto_shash *tfm)
|
|
{
|
|
return crypto_tfm_ctx(&tfm->base);
|
|
}
|
|
|
|
static inline struct crypto_instance *shash_crypto_instance(
|
|
struct shash_instance *inst)
|
|
{
|
|
return container_of(&inst->alg.base, struct crypto_instance, alg);
|
|
}
|
|
|
|
static inline struct shash_instance *shash_instance(
|
|
struct crypto_instance *inst)
|
|
{
|
|
return container_of(__crypto_shash_alg(&inst->alg),
|
|
struct shash_instance, alg);
|
|
}
|
|
|
|
static inline void *shash_instance_ctx(struct shash_instance *inst)
|
|
{
|
|
return crypto_instance_ctx(shash_crypto_instance(inst));
|
|
}
|
|
|
|
static inline struct shash_instance *shash_alloc_instance(
|
|
const char *name, struct crypto_alg *alg)
|
|
{
|
|
return crypto_alloc_instance2(name, alg,
|
|
sizeof(struct shash_alg) - sizeof(*alg));
|
|
}
|
|
|
|
static inline struct crypto_shash *crypto_spawn_shash(
|
|
struct crypto_shash_spawn *spawn)
|
|
{
|
|
return crypto_spawn_tfm2(&spawn->base);
|
|
}
|
|
|
|
static inline void *crypto_shash_ctx_aligned(struct crypto_shash *tfm)
|
|
{
|
|
return crypto_tfm_ctx_aligned(&tfm->base);
|
|
}
|
|
|
|
static inline struct crypto_shash *__crypto_shash_cast(struct crypto_tfm *tfm)
|
|
{
|
|
return container_of(tfm, struct crypto_shash, base);
|
|
}
|
|
|
|
#endif /* _CRYPTO_INTERNAL_HASH_H */
|
|
|