Function report |
Source Code:security\integrity\evm\evm_crypto.c |
Create Date:2022-07-28 20:00:08 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:vm_set_key() - set EVM HMAC key from the kernel*@key: pointer to a buffer with the key data*@size: length of the key data* This function allows setting the EVM HMAC key from the kernel* without using the "encrypted" key subsystem keys
Proto:int evm_set_key(void *key, size_t keylen)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
void * | key | |
size_t | keylen |
57 | If st_and_set_bit - Set a bit and return its old value*@nr: Bit to set*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier). Then Go to busy |
60 | If keylen > MAX_KEY_SIZE Then Go to inval |
63 | evm_initialized |= EVM_INIT_HMAC |
64 | pr_info("key initialized\n") |
65 | Return 0 |
66 | inval : |
68 | busy : |
69 | pr_err("key initialization failed\n") |
70 | Return rc |
Name | Describe |
---|---|
evm_init_key | Get the key from the TPM for the SHA1-HMAC |
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