crypto_ahash

函数名称：rypto_ahash_init() - (re)initialize message digest handle*@req: ahash_request handle that already is initialized with all necessary* data using the ahash_request_* API functions* The call (re-)initializes the message digest referenced by the ahash_request

函数原型：static inline int crypto_ahash_init(struct ahash_request *req)

返回类型：int

参数：

类型	参数	名称
struct ahash_request *	req

507

tfm等于rypto_ahash_reqtfm() - obtain cipher handle from request*@req: asynchronous request handle that contains the reference to the ahash* cipher handle* Return the ahash cipher handle that is registered with the asynchronous* request handle ahash_request

509

如果crypto_ahash_get_flags(tfm)按位与Transform masks and values (for crt_flags).则返回:负ENOKEY

512

返回:init(req)

**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

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告