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79 lines
2.2 KiB
79 lines
2.2 KiB
4 months ago
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#!/bin/bash
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#
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# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Generates a public/private key pair suitable for use in signing
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# android .apks and OTA update packages.
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if [ "$#" -lt 2 -o "$#" -gt 3 ]; then
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cat <<EOF
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Usage: $0 <name> <subject> [<keytype>]
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Creates <name>.pk8 key and <name>.x509.pem cert. Cert contains the
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given <subject>. A keytype of "rsa" or "ec" is accepted.
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EOF
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exit 2
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fi
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if [[ -e $1.pk8 || -e $1.x509.pem ]]; then
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echo "$1.pk8 and/or $1.x509.pem already exist; please delete them first"
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echo "if you want to replace them."
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exit 1
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fi
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# Use named pipes to connect get the raw RSA private key to the cert-
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# and .pk8-creating programs, to avoid having the private key ever
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# touch the disk.
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tmpdir=$(mktemp -d)
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trap 'rm -rf ${tmpdir}; echo; exit 1' EXIT INT QUIT
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one=${tmpdir}/one
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two=${tmpdir}/two
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mknod ${one} p
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mknod ${two} p
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chmod 0600 ${one} ${two}
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read -p "Enter password for '$1' (blank for none; password will be visible): " \
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password
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if [ "${3}" = "rsa" -o "$#" -eq 2 ]; then
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( openssl genrsa -f4 2048 | tee ${one} > ${two} ) &
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hash="-sha256"
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elif [ "${3}" = "ec" ]; then
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( openssl ecparam -name prime256v1 -genkey -noout | tee ${one} > ${two} ) &
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hash="-sha256"
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else
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echo "Only accepts RSA or EC keytypes."
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exit 1
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fi
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openssl req -new -x509 ${hash} -key ${two} -out $1.x509.pem \
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-days 10000 -subj "$2" &
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if [ "${password}" == "" ]; then
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echo "creating ${1}.pk8 with no password"
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openssl pkcs8 -in ${one} -topk8 -outform DER -out $1.pk8 -nocrypt
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else
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echo "creating ${1}.pk8 with password [${password}]"
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export password
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openssl pkcs8 -in ${one} -topk8 -outform DER -out $1.pk8 \
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-passout env:password
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unset password
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fi
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wait
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wait
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