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- #include "optiga/optiga_util.h"
- #include "optiga/comms/optiga_comms.h"
- #include "optiga/cmd/CommandLib.h"
- #include "optiga/pal/pal_os_timer.h"
- #define LENGTH_METADATA 0x1C
- volatile static host_lib_status_t optiga_comms_status;
- #ifdef MODULE_ENABLE_READ_WRITE
- static void __optiga_util_comms_event_handler(void* upper_layer_ctx, host_lib_status_t event)
- {
- optiga_comms_status = event;
- }
- optiga_lib_status_t optiga_util_open_application(optiga_comms_t* p_comms)
- {
- optiga_lib_status_t status = OPTIGA_LIB_ERROR;
- sOpenApp_d sOpenApp;
- do {
-
-
- optiga_comms_status = OPTIGA_COMMS_BUSY;
- p_comms->upper_layer_handler = __optiga_util_comms_event_handler;
- status = optiga_comms_open(p_comms);
- if(E_COMMS_SUCCESS != status)
- {
- status = OPTIGA_LIB_ERROR;
- break;
- }
-
- while(optiga_comms_status == OPTIGA_COMMS_BUSY)
- {
- pal_os_timer_delay_in_milliseconds(1);
- }
- if((OPTIGA_COMMS_SUCCESS != status) || (optiga_comms_status == OPTIGA_COMMS_ERROR))
- {
- status = OPTIGA_LIB_ERROR;
- break;
- }
-
-
- CmdLib_SetOptigaCommsContext(p_comms);
-
- sOpenApp.eOpenType = eInit;
- status = CmdLib_OpenApplication(&sOpenApp);
- if(CMD_LIB_OK == status)
- {
- status = OPTIGA_LIB_SUCCESS;
- }
- } while(FALSE);
- return status;
- }
- optiga_lib_status_t optiga_util_read_data(uint16_t optiga_oid, uint16_t offset,
- uint8_t * p_buffer, uint16_t* buffer_size)
- {
- int32_t status = (int32_t)OPTIGA_LIB_ERROR;
- sGetData_d cmd_params;
- sCmdResponse_d cmd_resp;
- do
- {
- if((NULL == p_buffer) || (NULL == buffer_size) || (0 == *buffer_size))
- {
- status = (int32_t)OPTIGA_LIB_ERROR;
- break;
- }
- cmd_params.wOID = optiga_oid;
- cmd_params.wLength = *buffer_size;
- cmd_params.wOffset = offset;
- cmd_params.eDataOrMdata = eDATA;
- cmd_resp.prgbBuffer = p_buffer;
- cmd_resp.wBufferLength = *buffer_size;
- cmd_resp.wRespLength = 0;
- status = CmdLib_GetDataObject(&cmd_params,&cmd_resp);
- if(CMD_LIB_OK != status)
- {
- break;
- }
- *buffer_size = cmd_resp.wRespLength;
- status = OPTIGA_LIB_SUCCESS;
- }while(FALSE);
- return status;
- }
- optiga_lib_status_t optiga_util_read_metadata(uint16_t optiga_oid, uint8_t * p_buffer, uint16_t* buffer_size)
- {
- int32_t status = (int32_t)OPTIGA_LIB_ERROR;
- sGetData_d cmd_params;
- sCmdResponse_d cmd_resp;
- uint16_t buffer_limit = *buffer_size;
- do
- {
- if((NULL == p_buffer) || (NULL == buffer_size) || (0 == *buffer_size))
- {
- status = (int32_t)OPTIGA_LIB_ERROR;
- break;
- }
-
- cmd_params.wOID = optiga_oid;
- cmd_params.wLength = LENGTH_METADATA;
- cmd_params.wOffset = 0;
- cmd_params.eDataOrMdata = eMETA_DATA;
- cmd_resp.prgbBuffer = p_buffer;
- cmd_resp.wBufferLength = buffer_limit;
- cmd_resp.wRespLength = 0;
- status = CmdLib_GetDataObject(&cmd_params,&cmd_resp);
- if(CMD_LIB_OK != status)
- {
- break;
- }
- *buffer_size = cmd_resp.wRespLength;
- status = OPTIGA_LIB_SUCCESS;
- }while(FALSE);
- return status;
- }
- optiga_lib_status_t optiga_util_write_data(uint16_t optiga_oid, uint8_t write_type, uint16_t offset, uint8_t * p_buffer, uint16_t buffer_size)
- {
- int32_t status = (int32_t)OPTIGA_LIB_ERROR;
- sSetData_d sd_params;
- do
- {
- if((NULL == p_buffer) || (0x00 == buffer_size))
- {
- break;
- }
- if ((OPTIGA_UTIL_WRITE_ONLY != write_type) && (OPTIGA_UTIL_ERASE_AND_WRITE != write_type))
- {
- status = OPTIGA_UTIL_ERROR_INVALID_INPUT;
- break;
- }
- sd_params.wOID = optiga_oid;
- sd_params.wOffset = offset;
- sd_params.eDataOrMdata = eDATA;
- if (OPTIGA_UTIL_ERASE_AND_WRITE == write_type)
- {
- sd_params.eWriteOption = eERASE_AND_WRITE;
- }
- else
- {
- sd_params.eWriteOption = eWRITE;
- }
- sd_params.prgbData = p_buffer;
- sd_params.wLength = buffer_size;
- status = CmdLib_SetDataObject(&sd_params);
- if(CMD_LIB_OK != status)
- {
- break;
- }
- status = OPTIGA_LIB_SUCCESS;
- }while(FALSE);
- return status;
- }
- optiga_lib_status_t optiga_util_write_metadata(uint16_t optiga_oid, uint8_t * p_buffer, uint8_t buffer_size)
- {
- int32_t status = (int32_t)OPTIGA_LIB_ERROR;
- sSetData_d sd_params;
- sd_params.wOID = optiga_oid;
- sd_params.wOffset = 0;
- sd_params.eDataOrMdata = eMETA_DATA;
- sd_params.eWriteOption = eWRITE;
- sd_params.prgbData = p_buffer;
- sd_params.wLength = buffer_size;
- status = CmdLib_SetDataObject(&sd_params);
- if(CMD_LIB_OK != status)
- {
- return status;
- }
- return OPTIGA_LIB_SUCCESS;
- }
- #endif
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