tests/tlcl_tests.c - mirrors/cros/chromiumos/platform/vboot_reference - Git at Google

 /* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Tests for TPM lite library
  */

 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

 #include "host_common.h"
 #include "test_common.h"
 #include "tlcl.h"
 #include "tlcl_internal.h"
 #include "vboot_common.h"

 /* Mock data */
 static char debug_info[4096];
 static VbError_t mock_retval;

 /* Call to mocked VbExTpmSendReceive() */
 struct srcall
 {
 	const uint8_t *req;  /* Request */
 	uint8_t *rsp;  /* Response */
 	uint8_t rsp_buf[32];  /* Default response buffer, if not overridden */
 	int req_size;  /* Request size */
 	uint32_t req_cmd;  /* Request command code */
 	int rsp_size;  /* Response size */
 	VbError_t retval;  /* Value to return */
 };

 #define MAXCALLS 8
 static struct srcall calls[MAXCALLS];
 static int ncalls;

 /**
  * Reset mock data (for use before each test)
  */
 static void ResetMocks(void)
 {
 	int i;

 	*debug_info = 0;
 	mock_retval = VBERROR_SUCCESS;

 	memset(calls, 0, sizeof(calls));
 	for (i = 0; i < MAXCALLS; i++)
 		calls[i].rsp = calls[i].rsp_buf;
 	ncalls = 0;
 }

 /**
  * Set response code and length for call <call_idx>.
  */
 static void SetResponse(int call_idx, uint32_t response_code, int rsp_size)
 {
 	struct srcall *c = calls + call_idx;

 	c->rsp_size = rsp_size;
 	ToTpmUint32(c->rsp_buf + 6, response_code);
 }

 /* Mocks */

 VbError_t VbExTpmInit(void)
 {
 	return mock_retval;
 }


 VbError_t VbExTpmClose(void)
 {
 	return mock_retval;
 }

 VbError_t VbExTpmSendReceive(const uint8_t *request, uint32_t request_length,
                              uint8_t *response, uint32_t *response_length)
 {
 	struct srcall *c = calls + ncalls++;

 	c->req = request;
 	c->req_size = request_length;

 	/* Parse out the command code */
 	FromTpmUint32(request + 6, &c->req_cmd);

 	// KLUDGE - remove
 	printf("TSR [%d] 0x%x\n", ncalls-1, c->req_cmd);

 	memset(response, 0, *response_length);
 	if (c->rsp_size)
 		memcpy(response, c->rsp, c->rsp_size);
 	*response_length = c->rsp_size;

 	return c->retval;
 }

 /**
  * Test assorted tlcl functions
  */
 static void TlclTest(void)
 {
 	uint8_t buf[32], buf2[32];

 	ResetMocks();
 	TEST_EQ(TlclLibInit(), VBERROR_SUCCESS, "Init");

 	ResetMocks();
 	mock_retval = VBERROR_SIMULATED;
 	TEST_EQ(TlclLibInit(), mock_retval, "Init bad");

 	ResetMocks();
 	TEST_EQ(TlclLibClose(), VBERROR_SUCCESS, "Close");

 	ResetMocks();
 	mock_retval = VBERROR_SIMULATED;
 	TEST_EQ(TlclLibClose(), mock_retval, "Close bad");

 	ResetMocks();
 	ToTpmUint32(buf + 2, 123);
 	TEST_EQ(TlclPacketSize(buf), 123, "TlclPacketSize");

 	ResetMocks();
 	ToTpmUint32(buf + 2, 10);
 	TEST_EQ(TlclSendReceive(buf, buf2, sizeof(buf2)), 0, "SendReceive");
 	TEST_PTR_EQ(calls[0].req, buf, "SendReceive req ptr");
 	TEST_EQ(calls[0].req_size, 10, "SendReceive size");

 	ResetMocks();
 	calls[0].retval = VBERROR_SIMULATED;
 	ToTpmUint32(buf + 2, 10);
 	TEST_EQ(TlclSendReceive(buf, buf2, sizeof(buf2)), VBERROR_SIMULATED,
 		"SendReceive fail");

 	ResetMocks();
 	SetResponse(0, 123, 10);
 	ToTpmUint32(buf + 2, 10);
 	TEST_EQ(TlclSendReceive(buf, buf2, sizeof(buf2)), 123,
 		"SendReceive error response");

 	// TODO: continue self test (if needed or doing)
 	// TODO: then retry doing self test

 }


 /**
  * Test send-command functions
  */
 static void SendCommandTest(void)
 {
 	ResetMocks();
 	TEST_EQ(TlclStartup(), 0, "SaveState");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_Startup, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclSaveState(), 0, "SaveState");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_SaveState, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclResume(), 0, "Resume");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_Startup, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclSelfTestFull(), 0, "SelfTestFull");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_SelfTestFull, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclContinueSelfTest(), 0, "ContinueSelfTest");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_ContinueSelfTest, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclAssertPhysicalPresence(), 0,
 		"AssertPhysicalPresence");
 	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclPhysicalPresenceCMDEnable(), 0,
 		"PhysicalPresenceCMDEnable");
 	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclFinalizePhysicalPresence(), 0,
 		"FinalizePhysicalPresence");
 	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclAssertPhysicalPresenceResult(), 0,
 		"AssertPhysicalPresenceResult");
 	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclLockPhysicalPresence(), 0,
 		"LockPhysicalPresence");
 	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclIsOwned(), 0, "IsOwned");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_ReadPubek, "  cmd");
 	ResetMocks();
 	calls[0].retval = VBERROR_SIMULATED;
 	TEST_NEQ(TlclIsOwned(), 0, "IsOwned");

 	ResetMocks();
 	TEST_EQ(TlclForceClear(), 0, "ForceClear");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_ForceClear, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclSetEnable(), 0, "SetEnable");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_PhysicalEnable, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclClearEnable(), 0, "ClearEnable");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_PhysicalDisable, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclSetDeactivated(0), 0, "SetDeactivated");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_PhysicalSetDeactivated, "  cmd");
 }

 /**
  * NV spaces test
  *
  * TODO: check params/data read/written.
  */
 static void ReadWriteTest(void)
 {
 	uint8_t buf[32];

 	ResetMocks();
 	TEST_EQ(TlclDefineSpace(1, 2, 3), 0, "DefineSpace");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_DefineSpace, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclSetNvLocked(), 0, "SetNvLocked");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_DefineSpace, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclWrite(1, buf, 3), 0, "Write");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_WriteValue, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclRead(1, buf, 3), 0, "Read");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_ReadValue, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclWriteLock(1), 0, "WriteLock");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_WriteValue, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclReadLock(1), 0, "ReadLock");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_ReadValue, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclSetGlobalLock(), 0, "SetGlobalLock");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_WriteValue, "  cmd");
 }

 /**
  * Test PCR funcs
  *
  * TODO: check params/data read/written.
  */
 static void PcrTest(void)
 {
 	uint8_t buf[kPcrDigestLength], buf2[kPcrDigestLength];

 	ResetMocks();
 	TEST_EQ(TlclPCRRead(1, buf, kPcrDigestLength), 0, "PCRRead");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_PcrRead, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclPCRRead(1, buf, kPcrDigestLength - 1), TPM_E_IOERROR,
 		"PCRRead too small");

 	ResetMocks();
 	TEST_EQ(TlclExtend(1, buf, buf2), 0, "Extend");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_Extend, "  cmd");
 }

 /**
  * Test flags / capabilities
  *
  * TODO: check params/data read/written.
  */
 static void FlagsTest(void)
 {
 	TPM_PERMANENT_FLAGS pflags;
 	TPM_STCLEAR_FLAGS vflags;
 	uint8_t disable = 0, deactivated = 0, nvlocked = 0;
 	uint32_t u;
 	uint8_t buf[32];

 	ResetMocks();
 	TEST_EQ(TlclGetPermanentFlags(&pflags), 0, "GetPermanentFlags");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclGetSTClearFlags(&vflags), 0, "GetSTClearFlags");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclGetFlags(NULL, NULL, NULL), 0, "GetFlags NULL");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, "  cmd");
 	ResetMocks();
 	TEST_EQ(TlclGetFlags(&disable, &deactivated, &nvlocked), 0, "GetFlags");

 	ResetMocks();
 	TEST_EQ(TlclGetPermissions(1, &u), 0, "GetPermissions");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, "  cmd");

 	ResetMocks();
 	TEST_EQ(TlclGetOwnership(buf), 0, "GetOwnership");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, "  cmd");
 }

 /**
  * Test random
  *
  * TODO: check params/data read/written.
  * TODO: check overflow tests.
  */
 static void RandomTest(void)
 {
 	uint8_t buf[32];
 	uint32_t size;

 	ResetMocks();
 	size = sizeof(buf);
 	TEST_EQ(TlclGetRandom(buf, sizeof(buf), &size), 0, "GetRandom");
 	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetRandom, "  cmd");
 	TEST_EQ(size, 0, "  size 0");
 }

 int main(void)
 {
 	TlclTest();
 	SendCommandTest();
 	ReadWriteTest();
 	PcrTest();
 	FlagsTest();
 	RandomTest();

 	return gTestSuccess ? 0 : 255;
 }
	/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*
	* Tests for TPM lite library
	*/

	#include <stdint.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>

	#include "host_common.h"
	#include "test_common.h"
	#include "tlcl.h"
	#include "tlcl_internal.h"
	#include "vboot_common.h"

	/* Mock data */
	static char debug_info[4096];
	static VbError_t mock_retval;

	/* Call to mocked VbExTpmSendReceive() */
	struct srcall
	{
	const uint8_t req; / Request */
	uint8_t rsp; / Response */
	uint8_t rsp_buf[32]; /* Default response buffer, if not overridden */
	int req_size; /* Request size */
	uint32_t req_cmd; /* Request command code */
	int rsp_size; /* Response size */
	VbError_t retval; /* Value to return */
	};

	#define MAXCALLS 8
	static struct srcall calls[MAXCALLS];
	static int ncalls;

	/**
	* Reset mock data (for use before each test)
	*/
	static void ResetMocks(void)
	{
	int i;

	*debug_info = 0;
	mock_retval = VBERROR_SUCCESS;

	memset(calls, 0, sizeof(calls));
	for (i = 0; i < MAXCALLS; i++)
	calls[i].rsp = calls[i].rsp_buf;
	ncalls = 0;
	}

	/**
	* Set response code and length for call <call_idx>.
	*/
	static void SetResponse(int call_idx, uint32_t response_code, int rsp_size)
	{
	struct srcall *c = calls + call_idx;

	c->rsp_size = rsp_size;
	ToTpmUint32(c->rsp_buf + 6, response_code);
	}

	/* Mocks */

	VbError_t VbExTpmInit(void)
	{
	return mock_retval;
	}


	VbError_t VbExTpmClose(void)
	{
	return mock_retval;
	}

	VbError_t VbExTpmSendReceive(const uint8_t *request, uint32_t request_length,
	uint8_t response, uint32_t response_length)
	{
	struct srcall *c = calls + ncalls++;

	c->req = request;
	c->req_size = request_length;

	/* Parse out the command code */
	FromTpmUint32(request + 6, &c->req_cmd);

	// KLUDGE - remove
	printf("TSR [%d] 0x%x\n", ncalls-1, c->req_cmd);

	memset(response, 0, *response_length);
	if (c->rsp_size)
	memcpy(response, c->rsp, c->rsp_size);
	*response_length = c->rsp_size;

	return c->retval;
	}

	/**
	* Test assorted tlcl functions
	*/
	static void TlclTest(void)
	{
	uint8_t buf[32], buf2[32];

	ResetMocks();
	TEST_EQ(TlclLibInit(), VBERROR_SUCCESS, "Init");

	ResetMocks();
	mock_retval = VBERROR_SIMULATED;
	TEST_EQ(TlclLibInit(), mock_retval, "Init bad");

	ResetMocks();
	TEST_EQ(TlclLibClose(), VBERROR_SUCCESS, "Close");

	ResetMocks();
	mock_retval = VBERROR_SIMULATED;
	TEST_EQ(TlclLibClose(), mock_retval, "Close bad");

	ResetMocks();
	ToTpmUint32(buf + 2, 123);
	TEST_EQ(TlclPacketSize(buf), 123, "TlclPacketSize");

	ResetMocks();
	ToTpmUint32(buf + 2, 10);
	TEST_EQ(TlclSendReceive(buf, buf2, sizeof(buf2)), 0, "SendReceive");
	TEST_PTR_EQ(calls[0].req, buf, "SendReceive req ptr");
	TEST_EQ(calls[0].req_size, 10, "SendReceive size");

	ResetMocks();
	calls[0].retval = VBERROR_SIMULATED;
	ToTpmUint32(buf + 2, 10);
	TEST_EQ(TlclSendReceive(buf, buf2, sizeof(buf2)), VBERROR_SIMULATED,
	"SendReceive fail");

	ResetMocks();
	SetResponse(0, 123, 10);
	ToTpmUint32(buf + 2, 10);
	TEST_EQ(TlclSendReceive(buf, buf2, sizeof(buf2)), 123,
	"SendReceive error response");

	// TODO: continue self test (if needed or doing)
	// TODO: then retry doing self test

	}


	/**
	* Test send-command functions
	*/
	static void SendCommandTest(void)
	{
	ResetMocks();
	TEST_EQ(TlclStartup(), 0, "SaveState");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_Startup, " cmd");

	ResetMocks();
	TEST_EQ(TlclSaveState(), 0, "SaveState");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_SaveState, " cmd");

	ResetMocks();
	TEST_EQ(TlclResume(), 0, "Resume");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_Startup, " cmd");

	ResetMocks();
	TEST_EQ(TlclSelfTestFull(), 0, "SelfTestFull");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_SelfTestFull, " cmd");

	ResetMocks();
	TEST_EQ(TlclContinueSelfTest(), 0, "ContinueSelfTest");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_ContinueSelfTest, " cmd");

	ResetMocks();
	TEST_EQ(TlclAssertPhysicalPresence(), 0,
	"AssertPhysicalPresence");
	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, " cmd");

	ResetMocks();
	TEST_EQ(TlclPhysicalPresenceCMDEnable(), 0,
	"PhysicalPresenceCMDEnable");
	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, " cmd");

	ResetMocks();
	TEST_EQ(TlclFinalizePhysicalPresence(), 0,
	"FinalizePhysicalPresence");
	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, " cmd");

	ResetMocks();
	TEST_EQ(TlclAssertPhysicalPresenceResult(), 0,
	"AssertPhysicalPresenceResult");
	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, " cmd");

	ResetMocks();
	TEST_EQ(TlclLockPhysicalPresence(), 0,
	"LockPhysicalPresence");
	TEST_EQ(calls[0].req_cmd, TSC_ORD_PhysicalPresence, " cmd");

	ResetMocks();
	TEST_EQ(TlclIsOwned(), 0, "IsOwned");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_ReadPubek, " cmd");
	ResetMocks();
	calls[0].retval = VBERROR_SIMULATED;
	TEST_NEQ(TlclIsOwned(), 0, "IsOwned");

	ResetMocks();
	TEST_EQ(TlclForceClear(), 0, "ForceClear");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_ForceClear, " cmd");

	ResetMocks();
	TEST_EQ(TlclSetEnable(), 0, "SetEnable");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_PhysicalEnable, " cmd");

	ResetMocks();
	TEST_EQ(TlclClearEnable(), 0, "ClearEnable");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_PhysicalDisable, " cmd");

	ResetMocks();
	TEST_EQ(TlclSetDeactivated(0), 0, "SetDeactivated");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_PhysicalSetDeactivated, " cmd");
	}

	/**
	* NV spaces test
	*
	* TODO: check params/data read/written.
	*/
	static void ReadWriteTest(void)
	{
	uint8_t buf[32];

	ResetMocks();
	TEST_EQ(TlclDefineSpace(1, 2, 3), 0, "DefineSpace");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_DefineSpace, " cmd");

	ResetMocks();
	TEST_EQ(TlclSetNvLocked(), 0, "SetNvLocked");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_DefineSpace, " cmd");

	ResetMocks();
	TEST_EQ(TlclWrite(1, buf, 3), 0, "Write");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_WriteValue, " cmd");

	ResetMocks();
	TEST_EQ(TlclRead(1, buf, 3), 0, "Read");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_ReadValue, " cmd");

	ResetMocks();
	TEST_EQ(TlclWriteLock(1), 0, "WriteLock");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_WriteValue, " cmd");

	ResetMocks();
	TEST_EQ(TlclReadLock(1), 0, "ReadLock");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_ReadValue, " cmd");

	ResetMocks();
	TEST_EQ(TlclSetGlobalLock(), 0, "SetGlobalLock");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_NV_WriteValue, " cmd");
	}

	/**
	* Test PCR funcs
	*
	* TODO: check params/data read/written.
	*/
	static void PcrTest(void)
	{
	uint8_t buf[kPcrDigestLength], buf2[kPcrDigestLength];

	ResetMocks();
	TEST_EQ(TlclPCRRead(1, buf, kPcrDigestLength), 0, "PCRRead");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_PcrRead, " cmd");

	ResetMocks();
	TEST_EQ(TlclPCRRead(1, buf, kPcrDigestLength - 1), TPM_E_IOERROR,
	"PCRRead too small");

	ResetMocks();
	TEST_EQ(TlclExtend(1, buf, buf2), 0, "Extend");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_Extend, " cmd");
	}

	/**
	* Test flags / capabilities
	*
	* TODO: check params/data read/written.
	*/
	static void FlagsTest(void)
	{
	TPM_PERMANENT_FLAGS pflags;
	TPM_STCLEAR_FLAGS vflags;
	uint8_t disable = 0, deactivated = 0, nvlocked = 0;
	uint32_t u;
	uint8_t buf[32];

	ResetMocks();
	TEST_EQ(TlclGetPermanentFlags(&pflags), 0, "GetPermanentFlags");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, " cmd");

	ResetMocks();
	TEST_EQ(TlclGetSTClearFlags(&vflags), 0, "GetSTClearFlags");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, " cmd");

	ResetMocks();
	TEST_EQ(TlclGetFlags(NULL, NULL, NULL), 0, "GetFlags NULL");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, " cmd");
	ResetMocks();
	TEST_EQ(TlclGetFlags(&disable, &deactivated, &nvlocked), 0, "GetFlags");

	ResetMocks();
	TEST_EQ(TlclGetPermissions(1, &u), 0, "GetPermissions");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, " cmd");

	ResetMocks();
	TEST_EQ(TlclGetOwnership(buf), 0, "GetOwnership");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetCapability, " cmd");
	}

	/**
	* Test random
	*
	* TODO: check params/data read/written.
	* TODO: check overflow tests.
	*/
	static void RandomTest(void)
	{
	uint8_t buf[32];
	uint32_t size;

	ResetMocks();
	size = sizeof(buf);
	TEST_EQ(TlclGetRandom(buf, sizeof(buf), &size), 0, "GetRandom");
	TEST_EQ(calls[0].req_cmd, TPM_ORD_GetRandom, " cmd");
	TEST_EQ(size, 0, " size 0");
	}

	int main(void)
	{
	TlclTest();
	SendCommandTest();
	ReadWriteTest();
	PcrTest();
	FlagsTest();
	RandomTest();

	return gTestSuccess ? 0 : 255;
	}