Lines Matching full:hash

3  * fs/verity/hash_algs.c: fs-verity hash algorithms
10 #include <crypto/hash.h>
13 /* The hash algorithms supported by fs-verity */
32  * fsverity_get_hash_alg() - validate and prepare a hash algorithm
34  * @num: the hash algorithm number
36  * Get the struct fsverity_hash_alg for the given hash algorithm number, and
37  * ensure it has a hash transform ready to go.  The hash transforms are
41  * Return: pointer to the hash alg on success, else an ERR_PTR()
52 		fsverity_warn(inode, "Unknown hash algorithm number: %u", num);  in fsverity_get_hash_alg()
74 				      "Missing crypto API support for hash algorithm \"%s\"",  in fsverity_get_hash_alg()
80 			     "Error allocating hash algorithm \"%s\": %ld",  in fsverity_get_hash_alg()
114  * fsverity_alloc_hash_request() - allocate a hash request object
115  * @alg: the hash algorithm for which to allocate the request
136  * fsverity_free_hash_request() - free a hash request object
137  * @alg: the hash algorithm
138  * @req: the hash request object to free
150  * fsverity_prepare_hash_state() - precompute the initial hash state
151  * @alg: hash algorithm
156  *	   initial hash state on success or an ERR_PTR() on failure.
180 	 * Zero-pad the salt to the next multiple of the input size of the hash  in fsverity_prepare_hash_state()
182 	 * bytes for SHA-512.  This ensures that the hash algorithm won't have  in fsverity_prepare_hash_state()
223  * fsverity_hash_page() - hash a single data or hash page
226  * @req: preallocated hash request
227  * @page: the page to hash
230  * Hash a single data or hash block, assuming block_size == PAGE_SIZE.
231  * The hash is salted if a salt is specified in the Merkle tree parameters.
257 				     "Error %d importing hash state", err);  in fsverity_hash_page()
267 		fsverity_err(inode, "Error %d computing page hash", err);  in fsverity_hash_page()
272  * fsverity_hash_buffer() - hash some data
273  * @alg: the hash algorithm to use
274  * @data: the data to hash
275  * @size: size of data to hash, in bytes
278  * Hash some data which is located in physically contiguous memory (i.e. memory
311 	 * Sanity check the hash algorithms (could be a build-time check, but  in fsverity_check_hash_algs()