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#!/bin/bash
# Copyright (c) 2013 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.
# Run verified boot firmware and kernel verification tests.
# Load common constants and variables.
. "$(dirname "$0")/common.sh"
return_code=0
function test_vbutil_key_single {
local algonum=$1
local keylen=$2
local hashalgo=$3
echo -e "For signing key ${COL_YELLOW}RSA-$keylen/$hashalgo${COL_STOP}:"
# Pack the key
${FUTILITY} vbutil_key \
--pack ${TESTKEY_SCRATCH_DIR}/key_alg${algonum}.vbpubk \
--key ${TESTKEY_DIR}/key_rsa${keylen}.keyb \
--version 1 \
--algorithm $algonum
if [ $? -ne 0 ]
then
return_code=255
fi
# Unpack the key
# TODO: should verify we get the same key back out?
${FUTILITY} vbutil_key \
--unpack ${TESTKEY_SCRATCH_DIR}/key_alg${algonum}.vbpubk
if [ $? -ne 0 ]
then
return_code=255
fi
}
function test_vbutil_key_all {
algorithmcounter=0
for keylen in ${key_lengths[@]}
do
for hashalgo in ${hash_algos[@]}
do
test_vbutil_key_single $algorithmcounter $keylen $hashalgo
let algorithmcounter=algorithmcounter+1
done
done
}
function test_vbutil_key {
test_vbutil_key_single 4 2048 sha256
test_vbutil_key_single 7 4096 sha256
test_vbutil_key_single 11 8192 sha512
}
function test_vbutil_keyblock_single {
local signing_algonum=$1
local signing_keylen=$2
local signing_hashalgo=$3
local data_algonum=$4
local data_keylen=$5
local data_hashalgo=$6
echo -e "For ${COL_YELLOW}signing algorithm \
RSA-${signing_keylen}/${signing_hashalgo}${COL_STOP} \
and ${COL_YELLOW}data key algorithm RSA-${datakeylen}/\
${datahashalgo}${COL_STOP}"
# Remove old file
keyblockfile="${TESTKEY_SCRATCH_DIR}/"
keyblockfile+="sign${signing_algonum}_data"
keyblockfile+="${data_algonum}.keyblock"
rm -f ${keyblockfile}
# Wrap private key
${FUTILITY} vbutil_key \
--pack ${TESTKEY_SCRATCH_DIR}/key_alg${algonum}.vbprivk \
--key ${TESTKEY_DIR}/key_rsa${signing_keylen}.pem \
--algorithm $signing_algonum
if [ $? -ne 0 ]
then
echo -e "${COL_RED}Wrap vbprivk${COL_STOP}"
return_code=255
fi
# Wrap public key
${FUTILITY} vbutil_key \
--pack ${TESTKEY_SCRATCH_DIR}/key_alg${algonum}.vbpubk \
--key ${TESTKEY_DIR}/key_rsa${signing_keylen}.keyb \
--algorithm $signing_algonum
if [ $? -ne 0 ]
then
echo -e "${COL_RED}Wrap vbpubk${COL_STOP}"
return_code=255
fi
# Pack
${FUTILITY} vbutil_keyblock --pack ${keyblockfile} \
--datapubkey \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk \
--signprivate \
${TESTKEY_SCRATCH_DIR}/key_alg${algonum}.vbprivk
if [ $? -ne 0 ]
then
echo -e "${COL_RED}Pack${COL_STOP}"
return_code=255
fi
# Unpack
${FUTILITY} vbutil_keyblock --unpack ${keyblockfile} \
--datapubkey \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk2 \
--signpubkey \
${TESTKEY_SCRATCH_DIR}/key_alg${algonum}.vbpubk
if [ $? -ne 0 ]
then
echo -e "${COL_RED}Unpack${COL_STOP}"
return_code=255
fi
# Check
if ! cmp -s \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk2
then
echo -e "${COL_RED}Check${COL_STOP}"
return_code=255
exit 1
fi
echo -e "${COL_YELLOW}Testing keyblock creation using \
external signer.${COL_STOP}"
# Pack using external signer
# Pack
${FUTILITY} vbutil_keyblock --pack ${keyblockfile} \
--datapubkey \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk \
--signprivate_pem \
${TESTKEY_DIR}/key_rsa${signing_keylen}.pem \
--pem_algorithm "${signing_algonum}" \
--externalsigner "${SCRIPT_DIR}/external_rsa_signer.sh"
if [ $? -ne 0 ]
then
echo -e "${COL_RED}Pack${COL_STOP}"
return_code=255
fi
# Unpack
${FUTILITY} vbutil_keyblock --unpack ${keyblockfile} \
--datapubkey \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk2 \
--signpubkey \
${TESTKEY_SCRATCH_DIR}/key_alg${signing_algonum}.vbpubk
if [ $? -ne 0 ]
then
echo -e "${COL_RED}Unpack${COL_STOP}"
return_code=255
fi
# Check
if ! cmp -s \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk \
${TESTKEY_SCRATCH_DIR}/key_alg${data_algonum}.vbpubk2
then
echo -e "${COL_RED}Check${COL_STOP}"
return_code=255
exit 1
fi
}
function test_vbutil_keyblock_all {
# Test for various combinations of firmware signing algorithm and
# kernel signing algorithm
signing_algorithmcounter=0
data_algorithmcounter=0
for signing_keylen in ${key_lengths[@]}
do
for signing_hashalgo in ${hash_algos[@]}
do
let data_algorithmcounter=0
for datakeylen in ${key_lengths[@]}
do
for datahashalgo in ${hash_algos[@]}
do
test_vbutil_keyblock_single \
$signing_algorithmcounter $signing_keylen $signing_hashalgo \
$data_algorithmcounter $data_keylen $data_hashalgo
let data_algorithmcounter=data_algorithmcounter+1
done
done
let signing_algorithmcounter=signing_algorithmcounter+1
done
done
}
function test_vbutil_keyblock {
test_vbutil_keyblock_single 7 4096 sha256 4 2048 sha256
test_vbutil_keyblock_single 11 8192 sha512 4 2048 sha256
test_vbutil_keyblock_single 11 8192 sha512 7 4096 sha256
}
check_test_keys
echo
echo "Testing vbutil_key..."
if [ "$1" == "--all" ] ; then
test_vbutil_key_all
else
test_vbutil_key
fi
echo
echo "Testing vbutil_keyblock..."
if [ "$1" == "--all" ] ; then
test_vbutil_keyblock_all
else
test_vbutil_keyblock
fi
exit $return_code
|
