diff options
Diffstat (limited to 'firmware/include/vboot_api.h')
| -rw-r--r-- | firmware/include/vboot_api.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/firmware/include/vboot_api.h b/firmware/include/vboot_api.h index a4eb23db..d55fde2a 100644 --- a/firmware/include/vboot_api.h +++ b/firmware/include/vboot_api.h @@ -85,54 +85,6 @@ vb2_error_t VbSelectAndLoadKernel(struct vb2_context *ctx, VbSelectAndLoadKernelParams *kparams); /*****************************************************************************/ -/* TPM (from tlcl_stub.h) */ - -/** - * Initialize the stub library. */ -vb2_error_t VbExTpmInit(void); - -/** - * Close and open the device. This is needed for running more complex commands - * at user level, such as TPM_TakeOwnership, since the TPM device can be opened - * only by one process at a time. - */ -vb2_error_t VbExTpmClose(void); -vb2_error_t VbExTpmOpen(void); - -/** - * Send request to TPM and receive response - * - * Send a request_length-byte request to the TPM and receive a response. On - * input, response_length is the size of the response buffer in bytes. On - * exit, response_length is set to the actual received response length in - * bytes. - * - * @param request Pointer to request buffer - * @param request_length Number of bytes to send - * @param response Pointer to response buffer - * @param response_length Size of response buffer; on return, - * set to number of received bytes - * @return TPM_SUCCESS, or non-zero if error. - */ -uint32_t VbExTpmSendReceive(const uint8_t *request, uint32_t request_length, - uint8_t *response, uint32_t *response_length); - -#ifdef CHROMEOS_ENVIRONMENT - -/** - * Obtain cryptographically secure random bytes. This function is used to - * generate random nonces for TPM auth sessions for example. As an implication, - * the generated random bytes should not be predictable for a TPM communication - * interception attack. This implies a local source of randomness should be - * used, i.e. this should not be wired to the TPM RNG directly. Otherwise, an - * attacker with communication interception abilities could launch replay - * attacks by reusing previous nonces. - */ -vb2_error_t VbExTpmGetRandom(uint8_t *buf, uint32_t length); - -#endif /* CHROMEOS_ENVIRONMENT */ - -/*****************************************************************************/ /* Disk access (previously in boot_device.h) */ /* Flags for VbDisk APIs */ |