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53 lines
1.5 KiB
53 lines
1.5 KiB
/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
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* Use of this source code is governed by a BSD-style license that can be |
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* found in the LICENSE file. |
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*/ |
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/* Test of two-stage locking using bGlobalLock and PP. |
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*/ |
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#include <stdio.h> |
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#include <stdint.h> |
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#include <stdlib.h> |
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#include "host_common.h" |
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#include "tlcl.h" |
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#include "tlcl_tests.h" |
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int main(int argc, char** argv) { |
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uint32_t zero = 0; |
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uint32_t x; |
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TlclLibInit(); |
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TPM_CHECK(TlclStartupIfNeeded()); |
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TPM_CHECK(TlclSelfTestFull()); |
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TPM_CHECK(TlclAssertPhysicalPresence()); |
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TPM_CHECK(TlclRead(INDEX0, (uint8_t*) &x, sizeof(x))); |
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TPM_CHECK(TlclWrite(INDEX0, (uint8_t*) &zero, sizeof(uint32_t))); |
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TPM_CHECK(TlclRead(INDEX1, (uint8_t*) &x, sizeof(x))); |
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TPM_CHECK(TlclWrite(INDEX1, (uint8_t*) &zero, sizeof(uint32_t))); |
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TPM_CHECK(TlclSetGlobalLock()); |
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// Verifies that write to index0 fails. |
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x = 1; |
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TPM_EXPECT(TlclWrite(INDEX0, (uint8_t*) &x, sizeof(x)), TPM_E_AREA_LOCKED); |
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TPM_CHECK(TlclRead(INDEX0, (uint8_t*) &x, sizeof(x))); |
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VbAssert(x == 0); |
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// Verifies that write to index1 is still possible. |
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x = 2; |
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TPM_CHECK(TlclWrite(INDEX1, (uint8_t*) &x, sizeof(x))); |
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TPM_CHECK(TlclRead(INDEX1, (uint8_t*) &x, sizeof(x))); |
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VbAssert(x == 2); |
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// Turns off PP. |
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TlclLockPhysicalPresence(); |
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// Verifies that write to index1 fails. |
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x = 3; |
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TPM_EXPECT(TlclWrite(INDEX1, (uint8_t*) &x, sizeof(x)), TPM_E_BAD_PRESENCE); |
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TPM_CHECK(TlclRead(INDEX1, (uint8_t*) &x, sizeof(x))); |
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VbAssert(x == 2); |
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printf("TEST SUCCEEDED\n"); |
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exit(0); |
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}
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