1 #!/bin/bash -eu 2 # 3 # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 # 7 # This generates the pre-change test data used to ensure that modifications to 8 # VbFirmwarePreambleHeader and VbKernelPreambleHeader will not break the 9 # signing tools for older releases. This was run *before* any modifications, so 10 # be sure to revert the repo back to the correct point if you need to run it 11 # again. 12 13 14 # Load common constants and variables for tests. 15 . "$(dirname "$0")/common.sh" 16 17 # Load routines to generate keypairs 18 . "${ROOT_DIR}/scripts/keygeneration/common.sh" 19 20 # all algs 21 algs="0 1 2 3 4 5 6 7 8 9 10 11" 22 23 # output directories 24 PREAMBLE_DIR="${SCRIPT_DIR}/preamble_tests" 25 DATADIR="${PREAMBLE_DIR}/data" 26 V2DIR="${PREAMBLE_DIR}/preamble_v2x" 27 28 for d in "${PREAMBLE_DIR}" "${DATADIR}" "${V2DIR}"; do 29 [ -d "$d" ] || mkdir -p "$d" 30 done 31 32 33 # generate a bunch of data keys 34 for d in $algs; do 35 make_pair "${DATADIR}/data_$d" "$d" 36 done 37 38 # generate a bunch of root keys 39 for r in $algs; do 40 make_pair "${DATADIR}/root_$r" "$r" 41 done 42 43 # generate keyblocks using all possible combinations 44 for d in $algs; do 45 for r in $algs; do 46 make_keyblock "${DATADIR}/kb_${d}_${r}" 15 \ 47 "${DATADIR}/data_$d" "${DATADIR}/root_$r" 48 done 49 done 50 51 # make a dummy kernel key because we have to have one (crosbug.com/27142) 52 make_pair "${DATADIR}/dummy_0" 0 53 54 # and a few more dummy files just because (crosbug.com/23548) 55 echo "hi there" > "${DATADIR}/dummy_config.txt" 56 dd if=/dev/urandom bs=32768 count=1 of="${DATADIR}/dummy_bootloader.bin" 57 58 # make some fake data 59 dd if=/dev/urandom of="${DATADIR}/FWDATA" bs=32768 count=1 60 dd if=/dev/urandom of="${DATADIR}/KERNDATA" bs=32768 count=1 61 62 63 # Now sign the firmware and kernel data in all the possible ways using the 64 # pre-change tools. 65 for d in $algs; do 66 for r in $algs; do 67 vbutil_firmware --vblock "${V2DIR}/fw_${d}_${r}.vblock" \ 68 --keyblock "${DATADIR}/kb_${d}_${r}.keyblock" \ 69 --signprivate "${DATADIR}/data_${d}.vbprivk" \ 70 --version 1 \ 71 --kernelkey "${DATADIR}/dummy_0.vbpubk" \ 72 --fv "${DATADIR}/FWDATA" 73 vbutil_kernel --pack "${V2DIR}/kern_${d}_${r}.vblock" \ 74 --keyblock "${DATADIR}/kb_${d}_${r}.keyblock" \ 75 --signprivate "${DATADIR}/data_${d}.vbprivk" \ 76 --version 1 \ 77 --arch arm \ 78 --vmlinuz "${DATADIR}/KERNDATA" \ 79 --bootloader "${DATADIR}/dummy_bootloader.bin" \ 80 --config "${DATADIR}/dummy_config.txt" 81 done 82 done 83 84 85
