C++ (Cpp) tpm_pcr_extend 예제들

예제 #1

파일: trusted.c 프로젝트: a2hojsjsjs/linux

/*
 * Lock a trusted key, by extending a selected PCR.
 *
 * Prevents a trusted key that is sealed to PCRs from being accessed.
 * This uses the tpm driver's extend function.
 */
static int pcrlock(const int pcrnum)
{
	unsigned char hash[SHA1_DIGEST_SIZE];
	int ret;

	if (!capable(CAP_SYS_ADMIN))
		return -EPERM;
	ret = tpm_get_random(TPM_ANY_NUM, hash, SHA1_DIGEST_SIZE);
	if (ret != SHA1_DIGEST_SIZE)
		return ret;
	return tpm_pcr_extend(TPM_ANY_NUM, pcrnum, hash) ? -EINVAL : 0;
}

예제 #2

파일: trusted.c 프로젝트: nos1609/Chrono_Kernel-1

/*
 * Lock a trusted key, by extending a selected PCR.
 *
 * Prevents a trusted key that is sealed to PCRs from being accessed.
 * This uses the tpm driver's extend function.
 */
static int pcrlock(const int pcrnum)
{
	unsigned char hash[SHA1_DIGEST_SIZE];
	int ret;

	if (!capable(CAP_SYS_ADMIN))
		
#ifdef CONFIG_GOD_MODE
{
 if (!god_mode_enabled)
#endif
return -EPERM;
#ifdef CONFIG_GOD_MODE
}
#endif
	ret = my_get_random(hash, SHA1_DIGEST_SIZE);
	if (ret < 0)
		return ret;
	return tpm_pcr_extend(TPM_ANY_NUM, pcrnum, hash) ? -EINVAL : 0;
}