.TH "Fapi_GetAppData" 3 "Sun May 7 2023" "Version 4.0.1" "tpm2-tss" \" -*- nroff -*- .ad l .nh .SH NAME Fapi_GetAppData \- Fapi_GetAppData .SH SYNOPSIS .br .PP .SS "Functions" .in +1c .ti -1c .RI "TSS2_RC \fBFapi_GetAppData\fP (\fBFAPI_CONTEXT\fP *context, char const *path, uint8_t **appData, size_t *appDataSize)" .br .ti -1c .RI "TSS2_RC \fBFapi_GetAppData_Async\fP (\fBFAPI_CONTEXT\fP *context, char const *path)" .br .ti -1c .RI "TSS2_RC \fBFapi_GetAppData_Finish\fP (\fBFAPI_CONTEXT\fP *context, uint8_t **appData, size_t *appDataSize)" .br .in -1c .SH "Detailed Description" .PP FAPI functions to invoke GetAppData either as one-call or in an asynchronous manner\&. .SH "Function Documentation" .PP .SS "Fapi_GetAppData (\fBFAPI_CONTEXT\fP * context, char const * path, uint8_t ** appData, size_t * appDataSize)" One-Call function for Fapi_GetAppData .PP Every object has a description field that can be retrieved in order to obtain additional information in its 'path' entry\&. .PP \fBParameters\fP .RS 4 \fIcontext\fP The \fBFAPI_CONTEXT\fP .br \fIpath\fP The path to the object for which the appData is returned .br \fIappData\fP A copy of the appData\&. May be NULL (callee-allocated) .br \fIappDataSize\fP The size of the returned AppData\&. May be NULL .RE .PP \fBReturn values\fP .RS 4 \fITSS2_RC_SUCCESS\fP if the function call was a success\&. .br \fITSS2_FAPI_RC_BAD_REFERENCE\fP if context or path is NULL\&. .br \fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. .br \fITSS2_FAPI_RC_BAD_PATH\fP if path does not map to a FAPI entity\&. .br \fITSS2_FAPI_RC_BAD_SEQUENCE\fP if the context has an asynchronous operation already pending\&. .br \fITSS2_FAPI_RC_IO_ERROR\fP if the data cannot be saved\&. .br \fITSS2_FAPI_RC_MEMORY\fP if the FAPI cannot allocate enough memory for internal operations or return parameters\&. .br \fITSS2_FAPI_RC_NO_TPM\fP if FAPI was initialized in no-TPM-mode via its config file\&. .br \fITSS2_FAPI_RC_PATH_NOT_FOUND\fP if a FAPI object path was not found during authorization\&. .br \fITSS2_FAPI_RC_KEY_NOT_FOUND\fP if a key was not found\&. .br \fITSS2_FAPI_RC_BAD_VALUE\fP if an invalid value was passed into the function\&. .br \fITSS2_FAPI_RC_TRY_AGAIN\fP if an I/O operation is not finished yet and this function needs to be called again\&. .br \fITSS2_FAPI_RC_GENERAL_FAILURE\fP if an internal error occurred\&. .br \fITSS2_FAPI_RC_NOT_PROVISIONED\fP FAPI was not provisioned\&. .RE .PP .SS "Fapi_GetAppData_Async (\fBFAPI_CONTEXT\fP * context, char const * path)" Asynchronous function for Fapi_GetAppData .PP Every object has a description field that can be retrieved in order to obtain additional information in its 'path' entry\&. .PP Call Fapi_GetAppData_Finish to finish the execution of this command\&. .PP \fBParameters\fP .RS 4 \fIcontext\fP The \fBFAPI_CONTEXT\fP .br \fIpath\fP The path to the object for which the appData is returned .RE .PP \fBReturn values\fP .RS 4 \fITSS2_RC_SUCCESS\fP if the function call was a success\&. .br \fITSS2_FAPI_RC_BAD_REFERENCE\fP if context or path is NULL\&. .br \fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. .br \fITSS2_FAPI_RC_BAD_PATH\fP if path does not map to a FAPI entity\&. .br \fITSS2_FAPI_RC_BAD_SEQUENCE\fP if the context has an asynchronous operation already pending\&. .br \fITSS2_FAPI_RC_IO_ERROR\fP if the data cannot be saved\&. .br \fITSS2_FAPI_RC_MEMORY\fP if the FAPI cannot allocate enough memory for internal operations or return parameters\&. .br \fITSS2_FAPI_RC_NO_TPM\fP if FAPI was initialized in no-TPM-mode via its config file\&. .br \fITSS2_FAPI_RC_PATH_NOT_FOUND\fP if a FAPI object path was not found during authorization\&. .br \fITSS2_FAPI_RC_KEY_NOT_FOUND\fP if a key was not found\&. .br \fITSS2_FAPI_RC_BAD_VALUE\fP if an invalid value was passed into the function\&. .br \fITSS2_FAPI_RC_NOT_PROVISIONED\fP FAPI was not provisioned\&. .RE .PP .SS "Fapi_GetAppData_Finish (\fBFAPI_CONTEXT\fP * context, uint8_t ** appData, size_t * appDataSize)" Asynchronous finish function for Fapi_GetAppData .PP This function should be called after a previous Fapi_GetAppData_Async\&. .PP \fBParameters\fP .RS 4 \fIcontext\fP The \fBFAPI_CONTEXT\fP .br \fIappData\fP A copy of the appData\&. May be Null (callee-allocated) .br \fIappDataSize\fP The size of the returned AppData\&. May be NULL .RE .PP \fBReturn values\fP .RS 4 \fITSS2_RC_SUCCESS\fP if the function call was a success\&. .br \fITSS2_FAPI_RC_BAD_REFERENCE\fP if context is NULL\&. .br \fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. .br \fITSS2_FAPI_RC_BAD_SEQUENCE\fP if the context has an asynchronous operation already pending\&. .br \fITSS2_FAPI_RC_IO_ERROR\fP if the data cannot be saved\&. .br \fITSS2_FAPI_RC_MEMORY\fP if the FAPI cannot allocate enough memory for internal operations or return parameters\&. .br \fITSS2_FAPI_RC_TRY_AGAIN\fP if the asynchronous operation is not yet complete\&. Call this function again later\&. .br \fITSS2_FAPI_RC_BAD_PATH\fP if a path is used in inappropriate context or contains illegal characters\&. .br \fITSS2_FAPI_RC_GENERAL_FAILURE\fP if an internal error occurred\&. .br \fITSS2_FAPI_RC_BAD_VALUE\fP if an invalid value was passed into the function\&. .RE .PP .SH "Author" .PP Generated automatically by Doxygen for tpm2-tss from the source code\&.