bisq/desktop/package/linux/prepare-system.sh

#!/usr/bin/env bash
#
# Install dependencies necessary for releasing Bisq on Debian-like systems.
#
cd $(dirname ${0})
set -eu

echo "Updating OS.."
sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

if [ ! -f "${JAVA_HOME}/jre/lib/security/local_policy.jar" ]; then
    echo "Enabling strong crypto support for Java.."

    wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jce/8/jce_policy-8.zip

    checksum=f3020a3922efd6626c2fff45695d527f34a8020e938a49292561f18ad1320b59 # see https://github.com/jonathancross/jc-docs/blob/master/java-strong-crypto-test/README.md

    if ! echo "${checksum} jce_policy-8.zip" | sha256sum -c -; then
        echo "Bad checksum for ${jce_policy-8.zip}." >&2
        exit 1
    fi

    unzip jce_policy-8.zip
    sudo cp UnlimitedJCEPolicyJDK8/{US_export_policy.jar,local_policy.jar} ${JAVA_HOME}/jre/lib/security/
    sudo chmod 664 ${JAVA_HOME}/jre/lib/security/{US_export_policy.jar,local_policy.jar}
    sudo rm -rf UnlimitedJCEPolicyJDK8 jce_policy-8.zip
else
    echo "Strong Crypto support for Java already available."
fi

bouncyCastleJar=bcprov-jdk15on-1.56.jar

if [ ! -f "${JAVA_HOME}/jre/lib/ext/${bouncyCastleJar}" ]; then
    echo "Configuring Bouncy Castle.."
    checksum="963e1ee14f808ffb99897d848ddcdb28fa91ddda867eb18d303e82728f878349"
    wget "http://central.maven.org/maven2/org/bouncycastle/bcprov-jdk15on/1.56/${bouncyCastleJar}"
    if ! echo "${checksum} ${bouncyCastleJar}" | sha256sum -c -; then
        echo "Bad checksum for ${bouncyCastleJar}." >&2
        exit 1
    fi
    sudo mv ${bouncyCastleJar} ${JAVA_HOME}/jre/lib/ext/
    sudo chmod 777 "${JAVA_HOME}/jre/lib/ext/${bouncyCastleJar}"
else
    echo "Bouncy Castle already configured."
fi

echo "Done."