| /* 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 <security/tpm/tspi.h> |
| #include <vb2_api.h> |
| |
| #include "antirollback.h" |
| |
| vb2_error_t vb2ex_tpm_clear_owner(struct vb2_context *ctx) |
| { |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_read_space_firmware(struct vb2_context *ctx) |
| { |
| vb2api_secdata_firmware_create(ctx); |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_write_space_firmware(struct vb2_context *ctx) |
| { |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_read_space_kernel(struct vb2_context *ctx) |
| { |
| vb2api_secdata_kernel_create(ctx); |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_write_space_kernel(struct vb2_context *ctx) |
| { |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_lock_space_firmware(void) |
| { |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_lock_space_rec_hash(void) |
| { |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_read_space_rec_hash(uint8_t *data, uint32_t size) |
| { |
| return VB2_SUCCESS; |
| } |
| |
| vb2_error_t antirollback_write_space_rec_hash(const uint8_t *data, |
| uint32_t size) |
| { |
| return VB2_SUCCESS; |
| } |