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https://github.com/stefanberger/libtpms
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This is the initial import of the libtpms library. The libtpms library provides software emulation of a Trusted Platform Module (TPM). It is intended to be used by applications when a hardware TPM is not adequate. For example, a hypervisor can use libtpms to emulate an independent TPM for each of it's virtual machine guests. The library provides a high- level API for developers to integrate the emulated TPM support into their application. The code was originally written by Kenneth Goldman <kgoldman@us.ibm.com> and Stefan Berger <stefanb@us.ibm.com>. The code is licensed under the Modified BSD License. Signed-off-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
212 lines
6.0 KiB
Groff
212 lines
6.0 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "TPMLIB_MAININIT 1"
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.TH TPMLIB_MAININIT 1 "2011-08-30" "libtpms-0.5.1" "libtpms documentation"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.nh
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.SH "NAME"
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TPMLIB_MainInit \- Initialize the TPM
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.PP
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TPMLIB_Terminate \- Terminate the TPM
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.SH "LIBRARY"
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.IX Header "LIBRARY"
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\&\s-1TPM\s0 library (libtpms, \-ltpms)
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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\&\fB#include <libtpms/tpm_types.h\fR>
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.PP
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\&\fB#include <libtpms/tpm_library.h\fR>
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.PP
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\&\fB#include <libtpms/tpm_error.h\fR>
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.PP
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\&\fB\s-1TPM_RESULT\s0 TPMLIB_MainInit(void);\fR
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.PP
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\&\fB\s-1TPM_RESULT\s0 TPMLIB_Terminate(void);\fR
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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The \fB\f(BITPMLIB_MainInit()\fB\fR and \fB\f(BITPMLIB_Terminate()\fB\fR functions are used
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to initialize and terminate the \s-1TPM\s0 respectively. The \fB\f(BITPMLIB_MainInit()\fB\fR
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function must be called before the \s-1TPM\s0 processes any \s-1TPM\s0 command.
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The \fB\f(BITPMLIB_Terminate()\fB\fR function is called to free all the internal
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resources (memory allocations) the \s-1TPM\s0 has used and must be called after
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the last \s-1TPM\s0 command was processed by the \s-1TPM\s0. The \fB\f(BITPMLIB_MainInit()\fB\fR
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function can then be called again.
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.SH "ERRORS"
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.IX Header "ERRORS"
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.IP "\fB\s-1TPM_SUCCESS\s0\fR" 4
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.IX Item "TPM_SUCCESS"
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The function completed sucessfully.
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.IP "\fB\s-1TPM_FAIL\s0\fR" 4
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.IX Item "TPM_FAIL"
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General failure.
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.PP
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For a complete list of \s-1TPM\s0 error codes please consult the include file
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\&\fBlibtpms/tpm_error.h\fR
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.SH "EXAMPLE"
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.IX Header "EXAMPLE"
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.Vb 1
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\& #include <stdio.h>
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\&
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\& #include <libtpms/tpm_types.h>
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\& #include <libtpms/tpm_library.h>
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\& #include <libtpms/tpm_error.h>
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\&
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\& int main(void) {
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\& TPM_RESULT res;
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\& unsigned char *respbuffer = NULL;
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\& uint32_t resp_size = 0;
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\& uint32_t respbufsize = 0;
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\& unsigned char *command;
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\& uint32_t command_size;
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\&
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\& [...]
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\&
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\& if (TPMLIB_MainInit() != TPM_SUCCESS) {
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\& fprintf(stderr, "Could not start the TPM.\en");
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\& return 1;
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\& }
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\&
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\& [...]
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\& /* build TPM command */
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\& [...]
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\&
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\& res = TPMLIB_Process(&respbuffer, &resp_size,
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\& &respbufsize,
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\& command, command_size);
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\& [...]
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\&
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\& TPMLIB_Terminate();
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\&
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\& return 0;
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\& }
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.Ve
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fBTPMLIB_Process\fR(3), \fBTPMLIB_RegisterCallbacks\fR(3), \fBTPMLIB_GetVersion\fR(3)
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\&\fBTPMLIB_GetTPMProperty\fR(3), \fBTPMLIB_DecodeBlob\fR(3)
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