ahash_request_set

函数名称：ahash_request_set_crypt() - set data buffers*@req: ahash_request handle to be updated*@src: source scatter/gather list*@result: buffer that is filled with the message digest -- the caller must* ensure that the buffer has sufficient space by, for example,

函数原型：static inline void ahash_request_set_crypt(struct ahash_request *req, struct scatterlist *src, u8 *result, unsigned int nbytes)

返回类型：void

参数：

类型	参数	名称
struct ahash_request *	req
struct scatterlist *	src
u8 *	result
unsigned int	nbytes

**调用者**
名称	描述
ima_calc_file_hash_atfm
calc_buffer_ahash_atfm
fsverity_prepare_hash_state	sverity_prepare_hash_state() - precompute the initial hash state@alg: hash algorithm@salt: a salt which is to be prepended to all data to be hashed@salt_size: salt size in bytes, possibly 0 Return: NULL if the salt is empty, otherwise the kmalloc()'ed
fsverity_hash_page	sverity_hash_page() - hash a single data or hash page@params: the Merkle tree's parameters@inode: inode for which the hashing is being done@req: preallocated hash request@page: the page to hash*@out: output digest, size 'params->digest_size' bytes
fsverity_hash_buffer	sverity_hash_buffer() - hash some data@alg: the hash algorithm to use@data: the data to hash@size: size of data to hash, in bytes@out: output digest, size 'alg->digest_size' bytes* Hash some data which is located in physically contiguous memory (i

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