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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>
#include <linux/ncr.h>
#include <linux/scatterlist.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;
/* For zero copy */
int __get_userbuf(uint8_t __user *addr, uint32_t len, int write,
int pgcount, struct page **pg, struct scatterlist *sg);
void release_user_pages(struct page **pg, int pagecount);
/* last page - first page + 1 */
#define PAGECOUNT(buf, buflen) \
((((unsigned long)(buf + buflen - 1) & PAGE_MASK) >> PAGE_SHIFT) - \
(((unsigned long) buf & PAGE_MASK) >> PAGE_SHIFT) + 1)
#define DEFAULT_PREALLOC_PAGES 32
struct cipher_data
{
int init; /* 0 uninitialized */
int blocksize;
int ivsize;
struct {
struct crypto_ablkcipher* s;
struct cryptodev_result *result;
struct ablkcipher_request *request;
uint8_t iv[NCR_CIPHER_MAX_BLOCK_LEN];
} async;
};
int cryptodev_cipher_init(struct cipher_data* out, const char* alg_name, uint8_t * key, size_t keylen);
void cryptodev_cipher_deinit(struct cipher_data* cdata);
ssize_t cryptodev_cipher_decrypt( struct cipher_data* cdata, const struct scatterlist *sg1, struct scatterlist *sg2, size_t len);
ssize_t cryptodev_cipher_encrypt( struct cipher_data* cdata, const struct scatterlist *sg1, struct scatterlist *sg2, size_t len);
void cryptodev_cipher_set_iv(struct cipher_data* cdata, void* iv, size_t iv_size);
int _cryptodev_cipher_decrypt(struct cipher_data* cdata, const void* ciphertext,
size_t ciphertext_size, void* plaintext, size_t plaintext_size);
int _cryptodev_cipher_encrypt(struct cipher_data* cdata, const void* plaintext,
size_t plaintext_size, void* ciphertext, size_t ciphertext_size);
/* hash stuff */
struct hash_data
{
int init; /* 0 uninitialized */
int digestsize;
struct {
struct crypto_ahash *s;
struct cryptodev_result *result;
struct ahash_request *request;
} async;
};
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);
ssize_t _cryptodev_hash_update( struct hash_data* hdata, const void* data, 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, const void *mackey, size_t mackeylen);
int cryptodev_hash_clone(struct hash_data *hdata, struct hash_data *old_data,
const void *mackey, size_t mackeylen);
#endif /* CRYPTODEV_INT_H */
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