Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\keys\trusted-keys\trusted_tpm1.c Create Date:2022-07-28 18:30:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Create an object independent authorisation protocol (oiap) session

Proto:int oiap(struct tpm_buf *tb, uint32_t *handle, unsigned char *nonce)

Type:int

Parameter:

TypeParameterName
struct tpm_buf *tb
uint32_t *handle
unsigned char *nonce
434  If Not chip Then Return -ENODEV
437  tpm_buf_reset(tb, Command TAGS , TPM_ORD_OIAP)
438  ret = For key specific tpm requests, we will generate and send our* own TPM command packets using the drivers send function.
439  If ret < 0 Then Return ret
442  handle = LOAD32(data, TPM_DATA_OFFSET)
443  memcpy(nonce, & data[TPM_DATA_OFFSET + sizeof(uint32_t)], TPM_NONCE_SIZE)
445  Return 0
Caller
NameDescribe
tpm_unsealse the AUTH2_COMMAND form of unseal, to authorize both key and blob