csu3_am335x/EVSE/GPL/tpm2-tss-3.2.0/doxygen-doc/man/Fapi_PcrExtend.3

.TH "Fapi_PcrExtend" 3 "Fri Oct 7 2022" "Version 3.2.0" "tpm2-tss" \" -*- nroff -*-
.ad l
.nh
.SH NAME
Fapi_PcrExtend
.SH SYNOPSIS
.br
.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "TSS2_RC \fBFapi_PcrExtend\fP (\fBFAPI_CONTEXT\fP *context, uint32_t pcr, uint8_t const *data, size_t dataSize, char const *logData)"
.br
.ti -1c
.RI "TSS2_RC \fBFapi_PcrExtend_Async\fP (\fBFAPI_CONTEXT\fP *context, uint32_t pcr, uint8_t const *data, size_t dataSize, char const *logData)"
.br
.ti -1c
.RI "TSS2_RC \fBFapi_PcrExtend_Finish\fP (\fBFAPI_CONTEXT\fP *context)"
.br
.in -1c
.SH "Detailed Description"
.PP 
FAPI functions to invoke PcrExtend either as one-call or in an asynchronous manner\&. 
.SH "Function Documentation"
.PP 
.SS "Fapi_PcrExtend (\fBFAPI_CONTEXT\fP * context, uint32_t pcr, uint8_t const * data, size_t dataSize, char const * logData)"
One-Call function for Fapi_PcrExtend
.PP
Performs an extend operation on a given PCR\&.
.PP
\fBParameters:\fP
.RS 4
\fIcontext\fP The \fBFAPI_CONTEXT\fP 
.br
\fIpcr\fP The PCR to extend 
.br
\fIdata\fP The data that is to be extended on the PCR 
.br
\fIdataSize\fP The size of data in bytes 
.br
\fIlogData\fP A JSON representation of data to be written to the PCR's event log\&. 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 data is NULL\&. 
.br
\fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. 
.br
\fITSS2_FAPI_RC_NO_PCR\fP if no such PCR exists on this TPM\&. 
.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_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_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_GENERAL_FAILURE\fP if an internal error occurred\&. 
.br
\fITSS2_FAPI_RC_AUTHORIZATION_UNKNOWN\fP if a required authorization callback is not set\&. 
.br
\fITSS2_FAPI_RC_AUTHORIZATION_FAILED\fP if the authorization attempt fails\&. 
.br
\fITSS2_FAPI_RC_POLICY_UNKNOWN\fP if policy search for a certain policy digest was not successful\&. 
.br
\fITSS2_ESYS_RC_*\fP possible error codes of ESAPI\&. 
.br
\fITSS2_FAPI_RC_NOT_PROVISIONED\fP FAPI was not provisioned\&. 
.br
\fITSS2_FAPI_RC_BAD_PATH\fP if the path is used in inappropriate context or contains illegal characters\&. 
.RE
.PP

.SS "Fapi_PcrExtend_Async (\fBFAPI_CONTEXT\fP * context, uint32_t pcr, uint8_t const * data, size_t dataSize, char const * logData)"
Asynchronous function for Fapi_PcrExtend
.PP
Performs an extend operation on a given PCR\&.
.PP
Call Fapi_PcrExtend_Finish to finish the execution of this command\&.
.PP
\fBParameters:\fP
.RS 4
\fIcontext\fP The \fBFAPI_CONTEXT\fP 
.br
\fIpcr\fP The PCR to extend 
.br
\fIdata\fP The data that is to be extended on the PCR 
.br
\fIdataSize\fP The size of data in bytes 
.br
\fIlogData\fP A JSON representation of data to be written to the PCR's event log\&. 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 data is NULL\&. 
.br
\fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. 
.br
\fITSS2_FAPI_RC_NO_PCR\fP if no such PCR exists on this TPM\&. 
.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_BAD_VALUE\fP if an invalid value was passed into the function\&. 
.br
\fITSS2_FAPI_RC_NO_TPM\fP if FAPI was initialized in no-TPM-mode via its config file\&. 
.br
\fITSS2_ESYS_RC_*\fP possible error codes of ESAPI\&. 
.RE
.PP

.SS "Fapi_PcrExtend_Finish (\fBFAPI_CONTEXT\fP * context)"
Asynchronous finish function for Fapi_PcrExtend
.PP
This function should be called after a previous Fapi_PcrExtend_Async\&.
.PP
\fBParameters:\fP
.RS 4
\fIcontext\fP The \fBFAPI_CONTEXT\fP
.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_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_GENERAL_FAILURE\fP if an internal error occurred\&. 
.br
\fITSS2_FAPI_RC_AUTHORIZATION_UNKNOWN\fP if a required authorization callback is not set\&. 
.br
\fITSS2_FAPI_RC_AUTHORIZATION_FAILED\fP if the authorization attempt fails\&. 
.br
\fITSS2_FAPI_RC_POLICY_UNKNOWN\fP if policy search for a certain policy digest was not successful\&. 
.br
\fITSS2_ESYS_RC_*\fP possible error codes of ESAPI\&. 
.br
\fITSS2_FAPI_RC_NOT_PROVISIONED\fP FAPI was not provisioned\&. 
.br
\fITSS2_FAPI_RC_BAD_PATH\fP if the path is used in inappropriate context or contains illegal characters\&. 
.RE
.PP

.SH "Author"
.PP 
Generated automatically by Doxygen for tpm2-tss from the source code\&.