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/* Copyright (c) 2015 The Chromium OS Authors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Functions for querying, manipulating and locking rollback indices
* stored in the TPM NVRAM.
*/
#include <antirollback.h>
#include <stdlib.h>
#include <tpm_lite/tlcl.h>
#include <vb2_api.h>
uint32_t tpm_extend_pcr(struct vb2_context *ctx, int pcr,
enum vb2_pcr_digest which_digest)
{
return TPM_SUCCESS;
}
uint32_t tpm_clear_and_reenable(void)
{
return TPM_SUCCESS;
}
uint32_t antirollback_read_space_firmware(struct vb2_context *ctx)
{
vb2api_secdata_create(ctx);
return TPM_SUCCESS;
}
uint32_t antirollback_write_space_firmware(struct vb2_context *ctx)
{
return TPM_SUCCESS;
}
uint32_t antirollback_lock_space_firmware()
{
return TPM_SUCCESS;
}
uint32_t antirollback_lock_space_rec_hash(void)
{
return TPM_SUCCESS;
}
uint32_t antirollback_read_space_rec_hash(uint8_t *data, uint32_t size)
{
return TPM_SUCCESS;
}
uint32_t antirollback_write_space_rec_hash(const uint8_t *data, uint32_t size)
{
return TPM_SUCCESS;
}
uint32_t tlcl_lib_init(void)
{
return VB2_SUCCESS;
}
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