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/* cipher stuff */
#ifndef CRYPTODEV_INT_H
# define CRYPTODEV_INT_H
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/fdtable.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#define PFX "cryptodev: "
#define dprintk(level,severity,format,a...) \
do { \
if (level <= cryptodev_verbosity) \
printk(severity PFX "%s[%u]: " format, \
current->comm, current->pid, \
##a); \
} while (0)
extern int cryptodev_verbosity;
struct cipher_data
{
int type; /* 1 synchronous, 2 async, 0 uninitialized */
int blocksize;
int ivsize;
union {
struct {
struct crypto_blkcipher* s;
struct blkcipher_desc desc;
} blk;
struct {
struct crypto_ablkcipher* s;
struct cryptodev_result *async_result;
struct ablkcipher_request *async_request;
uint8_t iv[EALG_MAX_BLOCK_LEN];
} ablk;
} u;
};
int cryptodev_cipher_init(struct cipher_data* out, const char* alg_name, __user uint8_t * key, size_t keylen);
void cryptodev_cipher_deinit(struct cipher_data* cdata);
ssize_t cryptodev_cipher_decrypt( struct cipher_data* cdata, struct scatterlist *sg1, struct scatterlist *sg2, size_t len);
ssize_t cryptodev_cipher_encrypt( struct cipher_data* cdata, struct scatterlist *sg1, struct scatterlist *sg2, size_t len);
void cryptodev_cipher_set_iv(struct cipher_data* cdata, void* iv, size_t iv_size);
/* hash stuff */
struct hash_data
{
int type; /* 1 synchronous, 2 async, 0 uninitialized */
int digestsize;
union {
struct {
struct crypto_hash* s;
struct hash_desc desc;
} sync;
struct {
struct crypto_ahash *s;
struct cryptodev_result *async_result;
struct ahash_request *async_request;
} async;
} u;
};
int cryptodev_hash_final( struct hash_data* hdata, void* output);
ssize_t cryptodev_hash_update( struct hash_data* hdata, struct scatterlist *sg, size_t len);
int cryptodev_hash_reset( struct hash_data* hdata);
void cryptodev_hash_deinit(struct hash_data* hdata);
int cryptodev_hash_init( struct hash_data* hdata, const char* alg_name, int hmac_mode, __user void* mackey, size_t mackeylen);
#endif /* CRYPTODEV_INT_H */
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