clearown.c

来自「IBM开发的TPM的驱动, 有少量的例子可以供参考」· C语言 代码 · 共 42 行

/****************************************************************************/
/*                                                                          */
/*                         TCPA Clear Owner Utility                         */
/*                                                                          */
/*                           Written by J. Kravitz                          */
/*                                                                          */
/*                     IBM Thomas J. Watson Research Center                 */
/*                                                                          */
/*                               Version 1.0                                */
/*                                                                          */
/*                         Last Revision 08 Apr 2003                        */
/*                                                                          */
/*                           Copyright (C) 2004 IBM                         */
/*                                                                          */
/****************************************************************************/
#include <stdio.h>
#include <string.h>
#include "tpmfunc.h"

int main(int argc, char *argv[])
{
	int ret;
	unsigned char passhash[20];

	if (argc < 2) {
		fprintf(stderr, "Usage: clearown <owner password>\n");
		exit(1);
	}
	TPM_setlog(0);
	/*
	 ** use the SHA1 hash of the password string as the Owner Authorization Data
	 */
	TSS_sha1(argv[1], strlen(argv[1]), passhash);
	ret = TPM_OwnerClear(passhash);
	if (ret != 0) {
		fprintf(stderr, "Error %s from TPM_OwnerClear\n",
			TPM_GetErrMsg(ret));
		exit(1);
	}
	exit(0);
}