Lines Matching full:hash

3  * fs-verity hash algorithms
10 #include <crypto/hash.h>
12 /* The hash algorithms supported by fs-verity */
33  * fsverity_get_hash_alg() - validate and prepare a hash algorithm
35  * @num: the hash algorithm number
37  * Get the struct fsverity_hash_alg for the given hash algorithm number, and
38  * ensure it has a hash transform ready to go.  The hash transforms are
42  * Return: pointer to the hash alg on success, else an ERR_PTR()
53 		fsverity_warn(inode, "Unknown hash algorithm number: %u", num);  in fsverity_get_hash_alg()
71 				      "Missing crypto API support for hash algorithm \"%s\"",  in fsverity_get_hash_alg()
77 			     "Error allocating hash algorithm \"%s\": %ld",  in fsverity_get_hash_alg()
105  * fsverity_prepare_hash_state() - precompute the initial hash state
106  * @alg: hash algorithm
111  *	   initial hash state on success or an ERR_PTR() on failure.
132 	 * Zero-pad the salt to the next multiple of the input size of the hash  in fsverity_prepare_hash_state()
134 	 * bytes for SHA-512.  This ensures that the hash algorithm won't have  in fsverity_prepare_hash_state()
167  * fsverity_hash_block() - hash a single data or hash block
170  * @data: virtual address of a buffer containing the block to hash
173  * Hash a single data or hash block.  The hash is salted if a salt is specified
190 				     "Error %d importing hash state", err);  in fsverity_hash_block()
198 		fsverity_err(inode, "Error %d computing block hash", err);  in fsverity_hash_block()
203  * fsverity_hash_buffer() - hash some data
204  * @alg: the hash algorithm to use
205  * @data: the data to hash
206  * @size: size of data to hash, in bytes
222 	 * Sanity check the hash algorithms (could be a build-time check, but  in fsverity_check_hash_algs()