Function report |
Source Code:security\keys\big_key.c |
Create Date:2022-07-28 18:28:43 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:ad the key data* - the key's semaphore is read-locked
Proto:long big_key_read(const struct key *key, char __user *buffer, size_t buflen)
Type:long
Parameter:
Type | Parameter | Name |
---|---|---|
const struct key * | key | |
char __user * | buffer | |
size_t | buflen |
357 | datalen = data[big_key_len] |
365 | struct path * path = (struct path * ) & data[big_key_path] |
367 | enckey = data[big_key_data] |
368 | enclen = datalen + Authentication tag length |
369 | pos = 0 |
398 | err_fput : |
400 | error : |
402 | Else |
404 | If copy_to_user(buffer, data[big_key_data], datalen) != 0 Then ret = -EFAULT |
409 | Return ret |
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