/* 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; }