2ad159d9b3
As the preparation to support TPM2 Software Stack (TSS2), this commit implements the TPM2 buffer handling functions to pack data for the TPM2 commands and unpack the data from the response. Cc: Stefan Berger <stefanb@linux.ibm.com> Signed-off-by: Hernan Gatta <hegatta@linux.microsoft.com> Signed-off-by: Gary Lin <glin@suse.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com> Tested-by: Stefan Berger <stefanb@linux.ibm.com>
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2022 Microsoft Corporation
|
|
* Copyright (C) 2024 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef GRUB_TPM2_BUFFER_HEADER
|
|
#define GRUB_TPM2_BUFFER_HEADER 1
|
|
|
|
#include <grub/types.h>
|
|
|
|
#define GRUB_TPM2_BUFFER_CAPACITY 4096
|
|
|
|
struct grub_tpm2_buffer
|
|
{
|
|
grub_uint8_t data[GRUB_TPM2_BUFFER_CAPACITY];
|
|
grub_size_t size;
|
|
grub_size_t offset;
|
|
grub_size_t cap;
|
|
bool error;
|
|
};
|
|
typedef struct grub_tpm2_buffer *grub_tpm2_buffer_t;
|
|
|
|
extern void
|
|
grub_tpm2_buffer_init (grub_tpm2_buffer_t buffer);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_pack (grub_tpm2_buffer_t buffer, const void *data, grub_size_t size);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_pack_u8 (grub_tpm2_buffer_t buffer, grub_uint8_t value);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_pack_u16 (grub_tpm2_buffer_t buffer, grub_uint16_t value);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_pack_u32 (grub_tpm2_buffer_t buffer, grub_uint32_t value);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_unpack (grub_tpm2_buffer_t buffer, void *data, grub_size_t size);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_unpack_u8 (grub_tpm2_buffer_t buffer, grub_uint8_t *value);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_unpack_u16 (grub_tpm2_buffer_t buffer, grub_uint16_t *value);
|
|
|
|
extern void
|
|
grub_tpm2_buffer_unpack_u32 (grub_tpm2_buffer_t buffer, grub_uint32_t *value);
|
|
|
|
#endif /* ! GRUB_TPM2_BUFFER_HEADER */
|