evm_init_key

Name:Get the key from the TPM for the SHA1-HMAC

Proto:int evm_init_key(void)

Type:int

Parameter:Nothing

359

evm_key = quest_key - Request a key and wait for construction*@type: Type of key.*@description: The searchable description of the key.*@callout_info: The data to pass to the instantiation upcall (or NULL).

360

If IS_ERR(evm_key) Then Return -ENOENT

363

lock for reading

364

ekp = data[0]

366

rc = 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

369

memset( decrypted data , 0, decrypted data length )

370

lease a read lock

371

key_put - Discard a reference to a key.*@key: The key to discard a reference from.* Discard a reference to a key, and when all the references are gone, we* schedule the cleanup task to come and pull it out of the tree in process

372

Return rc

**Caller**
Name	Describe
evm_write_key	vm_write_key - write() for /evm@file: file pointer, not actually used@buf: where to get the data from@count: bytes sent@ppos: where to start* Used to signal that key is on the kernel key ring

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion