unsigned char *key, unsigned int key_len,
unsigned char *hash, unsigned int *hash_len);
-/* cfs crypto hash descriptor */
-struct cfs_crypto_hash_desc;
-
-struct cfs_crypto_hash_desc *
+struct ahash_request *
cfs_crypto_hash_init(enum cfs_crypto_hash_alg hash_alg,
unsigned char *key, unsigned int key_len);
-int cfs_crypto_hash_update_page(struct cfs_crypto_hash_desc *desc,
+int cfs_crypto_hash_update_page(struct ahash_request *desc,
struct page *page, unsigned int offset,
unsigned int len);
-int cfs_crypto_hash_update(struct cfs_crypto_hash_desc *desc, const void *buf,
+int cfs_crypto_hash_update(struct ahash_request *desc, const void *buf,
unsigned int buf_len);
-int cfs_crypto_hash_final(struct cfs_crypto_hash_desc *desc,
+int cfs_crypto_hash_final(struct ahash_request *desc,
unsigned char *hash, unsigned int *hash_len);
int cfs_crypto_register(void);
void cfs_crypto_unregister(void);
/**
* Initialize the state descriptor for the specified hash algorithm.
*
- * An internal routine to allocate the hash-specific state in \a hdesc for
+ * An internal routine to allocate the hash-specific state in \a req for
* use with cfs_crypto_hash_digest() to compute the hash of a single message,
* though possibly in multiple chunks. The descriptor internal state should
* be freed with cfs_crypto_hash_final().
* \param[in] hash_alg hash algorithm id (CFS_HASH_ALG_*)
* \param[out] type pointer to the hash description in hash_types[]
* array
- * \param[in,out] hdesc hash state descriptor to be initialized
+ * \param[in,out] req hash state descriptor to be initialized
* \param[in] key initial hash value/state, NULL to use default
* value
* \param[in] key_len length of \a key
* \retval pointer to descriptor of hash instance
* \retval ERR_PTR(errno) in case of error
*/
-struct cfs_crypto_hash_desc *
+struct ahash_request *
cfs_crypto_hash_init(enum cfs_crypto_hash_alg hash_alg,
unsigned char *key, unsigned int key_len)
{
if (err)
return ERR_PTR(err);
- return (struct cfs_crypto_hash_desc *)req;
+ return req;
}
EXPORT_SYMBOL(cfs_crypto_hash_init);
/**
* Update hash digest computed on data within the given \a page
*
- * \param[in] hdesc hash state descriptor
+ * \param[in] hreq hash state descriptor
* \param[in] page data page on which to compute the hash
* \param[in] offset offset within \a page at which to start hash
* \param[in] len length of data on which to compute hash
* \retval 0 for success
* \retval negative errno on failure
*/
-int cfs_crypto_hash_update_page(struct cfs_crypto_hash_desc *hdesc,
+int cfs_crypto_hash_update_page(struct ahash_request *req,
struct page *page, unsigned int offset,
unsigned int len)
{
- struct ahash_request *req = (void *)hdesc;
struct scatterlist sl;
sg_init_table(&sl, 1);
/**
* Update hash digest computed on the specified data
*
- * \param[in] hdesc hash state descriptor
+ * \param[in] req hash state descriptor
* \param[in] buf data buffer on which to compute the hash
* \param[in] buf_len length of \buf on which to compute hash
*
* \retval 0 for success
* \retval negative errno on failure
*/
-int cfs_crypto_hash_update(struct cfs_crypto_hash_desc *hdesc,
+int cfs_crypto_hash_update(struct ahash_request *req,
const void *buf, unsigned int buf_len)
{
- struct ahash_request *req = (void *)hdesc;
struct scatterlist sl;
sg_init_one(&sl, buf, buf_len);
/**
* Finish hash calculation, copy hash digest to buffer, clean up hash descriptor
*
- * \param[in] hdesc hash descriptor
+ * \param[in] req hash descriptor
* \param[out] hash pointer to hash buffer to store hash digest
- * \param[in,out] hash_len pointer to hash buffer size, if \a hdesc = NULL
- * only free \a hdesc instead of computing the hash
+ * \param[in,out] hash_len pointer to hash buffer size, if \a req = NULL
+ * only free \a req instead of computing the hash
*
* \retval 0 for success
* \retval -EOVERFLOW if hash_len is too small for the hash digest
* \retval negative errno for other errors from lower layers
*/
-int cfs_crypto_hash_final(struct cfs_crypto_hash_desc *hdesc,
+int cfs_crypto_hash_final(struct ahash_request *req,
unsigned char *hash, unsigned int *hash_len)
{
int err;
- struct ahash_request *req = (void *)hdesc;
int size = crypto_ahash_digestsize(crypto_ahash_reqtfm(req));
if (!hash || !hash_len) {
for (start = jiffies, end = start + msecs_to_jiffies(MSEC_PER_SEC),
bcount = 0; time_before(jiffies, end); bcount++) {
- struct cfs_crypto_hash_desc *hdesc;
+ struct ahash_request *hdesc;
int i;
hdesc = cfs_crypto_hash_init(hash_alg, NULL, 0);