diff options
Diffstat (limited to 'bdb/bdb_create.c')
| -rw-r--r-- | bdb/bdb_create.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/bdb/bdb_create.c b/bdb/bdb_create.c deleted file mode 100644 index fdbf71d9..00000000 --- a/bdb/bdb_create.c +++ /dev/null @@ -1,232 +0,0 @@ -/* Copyright (c) 2015 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Create a BDB - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "bdb.h" -#include "host.h" - -/* Parameters for creating a BDB hash entry */ -struct create_hash { - /* File containing data */ - const char *filename; - - /* Type of data; enum bdb_data_type */ - uint8_t type; - - /* Address in RAM to load data. -1 means use default. */ - uint64_t load_address; - - /* Partition number containing data, or -1 to use the same partition as - * the BDB. */ - uint8_t partition; - - /* - * Offset of data from start of partition. - * - * TODO: if -1, append after BDB. But need to know how big the BDB - * is, and need to round up offset to 32-bit boundary. - */ - uint64_t offset; -}; - -/* Parameters for a key */ -struct create_key { - /* Description */ - const char *description; - - /* Key version (not meaningful for BDB key) */ - uint32_t key_version; - - /* Public key filename (.keyb) */ - const char *public_filename; - - /* Private key filename (.pem) */ - const char *private_filename; -}; - -struct create_params_2 { - /* Destination filename */ - const char *filename; - - /* Partition to contain the BDB */ - uint8_t partition; - - /* OEM area files. NULL means there is no data for that area. */ - const char *oem_area_0_filename; - const char *oem_area_1_filename; - - /* BDB key and subkey */ - struct create_key bdbkey; - struct create_key subkey; -}; - -/*****************************************************************************/ -/* FILL THIS IN WITH YOUR SOURCE DATA */ - -/* - * Creation parameters. Hash and num_hashes will be filled in automatically - * by create(). - */ -struct bdb_create_params p = { - .bdb_load_address = 0x11223344, - .header_sig_description = "The header sig", - .data_sig_description = "The data sig", - .data_description = "Test BDB data", - .data_version = 3, -}; - -/* Additional parameters */ -struct create_params_2 p2 = { - .filename = "build/bdb.bin", - .partition = 1, - .oem_area_0_filename = "testdata/oem0.bin", - .oem_area_1_filename = "testdata/oem1.bin", - .bdbkey = { - .description = "Test BDB key", - .key_version = 3, - .public_filename = "testkeys/bdbkey.keyb", - .private_filename = "testkeys/bdbkey.pem", - }, - .subkey = { - .description = "Test Subkey", - .key_version = 4, - .public_filename = "testkeys/subkey.keyb", - .private_filename = "testkeys/subkey.pem", - }, -}; - -/* List of hash entries, terminated by one with a NULL filename */ -struct create_hash hash_entries[] = { - { - .filename = "testdata/sp-rw.bin", - .type = BDB_DATA_SP_RW, - .load_address = -1, - .partition = -1, - .offset = 0x10000, - }, - { - .filename = "testdata/ap-rw.bin", - .type = BDB_DATA_AP_RW, - .load_address = 0x200000, - .partition = -1, - .offset = 0x28000, - }, - { - .filename = NULL - }, -}; - -/*****************************************************************************/ - -int create(void) -{ - struct bdb_hash *hash; - struct bdb_header *h; - int i; - - /* Count the number of hash entries */ - for (p.num_hashes = 0; hash_entries[p.num_hashes].filename; - p.num_hashes++) - ; - printf("Found %d hash entries\n", p.num_hashes); - - /* Calculate hashes */ - p.hash = hash = calloc(sizeof(struct bdb_hash), p.num_hashes); - for (i = 0; i < p.num_hashes; i++, hash++) { - const struct create_hash *he = hash_entries + i; - - /* Read file and calculate size and hash */ - uint8_t *buf = read_file(he->filename, &hash->size); - if (!buf) - return 1; - if (bdb_sha256(hash->digest, buf, hash->size)) { - fprintf(stderr, "Unable to calculate hash\n"); - return 1; - } - free(buf); - - hash->type = he->type; - hash->load_address = he->load_address; - - hash->partition = he->partition == -1 ? p2.partition : - he->partition; - - hash->offset = he->offset; - } - - /* Read OEM data */ - if (p2.oem_area_0_filename) { - p.oem_area_0 = read_file(p2.oem_area_0_filename, - &p.oem_area_0_size); - if (!p.oem_area_0) - return 1; - - if (p.oem_area_0_size & 3) { - fprintf(stderr, - "OEM area 0 size isn't 32-bit aligned\n"); - return 1; - } - } - - if (p2.oem_area_1_filename) { - p.oem_area_1 = read_file(p2.oem_area_1_filename, - &p.oem_area_1_size); - if (!p.oem_area_1) - return 1; - - if (p.oem_area_1_size & 3) { - fprintf(stderr, - "OEM area 1 size isn't 32-bit aligned\n"); - return 1; - } - } - - /* Load keys */ - p.bdbkey = bdb_create_key(p2.bdbkey.public_filename, - p2.bdbkey.key_version, - p2.bdbkey.description); - p.subkey = bdb_create_key(p2.subkey.public_filename, - p2.subkey.key_version, - p2.subkey.description); - p.private_bdbkey = read_pem(p2.bdbkey.private_filename); - p.private_subkey = read_pem(p2.subkey.private_filename); - if (!p.bdbkey || !p.subkey || !p.private_bdbkey || !p.private_subkey) { - fprintf(stderr, "Unable to load keys\n"); - return 1; - } - - /* Create the BDB */ - h = bdb_create(&p); - if (!h) { - fprintf(stderr, "Unable to create BDB\n"); - return 1; - } - - /* Write it */ - if (write_file(p2.filename, h, h->bdb_size)) - return 1; - - /* Free keys and buffers */ - free(p.bdbkey); - free(p.subkey); - RSA_free(p.private_bdbkey); - RSA_free(p.private_subkey); - free(h); - free(p.hash); - - return 0; -} - -/*****************************************************************************/ - -int main(void) -{ - return create(); -} |