diff --git a/.travis.yml b/.travis.yml
index ea461d996f..1f8c83bef9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,24 @@ language: java
 # For enabling the generation of the native executables
 sudo: required
 
+# Environment variables for all the OS
+env:
+  global:
+    - MAVEN_OPTS: "-Dorg.slf4j.simpleLogger.defaultLogLevel=warn -XX:+CMSClassUnloadingEnabled -Xmx3g"
+    - MAVEN_DEPLOYMENT_SETTING: "./build-tools/src/main/resources/maven/deploy-settings.xml"
+    - MAVEN_DEPLOYMENT_OPTS: "\"-DskipTests -Dmaven.test.skip=true -Dcheckstyle.skip=true\""
+    - MAVEN_COMPILATION_OPTS: "\"-e -P!generateproduct -Dio.sarl.docs.tests.skip=true\""
+    - HTTPS_KEYSTORE_FILE: "./build-tools/keyring/https.keystore"
+    - secure: "e+S71qmexycXKKiRLzc/B12HO64XiGxB9nWW5vifuOI22qjsma6T2z4z+v5qWgSG0O5SEHjQCw+rXDjoqjD0hA8qHpiaFb5vuKS69ulBFfTM5QT4+5F3RX/xepYfrUZlAner7ES7UrYnwDOlASrARiy1HLmcWHcruLosWWgev9Y="
+    - secure: "grzZIv0E+OjSYyB81LH9j2KjH2SCspvsRY54KXD0dP7QmFb8pNbWClhV0TpGevaU4uocDn2ZhlXQdCEpzpesHo0LcPKz+b03xPg6ydbXvMuFXzJ4fFEUfi5iaRGuDDIFm/IPGEMRYyv62poUMFiKpwgECvFjE4ECG8NPegpZnz8="
+    - secure: "aIOrF7Oa3r2ZWuRC6YwSuw1UnDoBLz8uLjNmtq3ZIJzukI93NfjmnJcr+d278nvqOWm/eR+UPkE8fB8PgWamAoxYRK60bjP9ScvaudqR4cztwKMzHLetR1+h0yt3qRS3sl2ImdY2k0UkZDLe+sW7ColCnC1pKM4ty9mbs2tBbvk="
+    - secure: "SIQFWoeSvpHTtWi9x8SZ7J2qDU7OspParyQLAMuKsOK/SMeRbSEGoz1GMgoGMkTsrV64jbG82FTp+0h1ja4ImiaqNuJU7nnIya1CXQOQdtt2q0kcnVBUwhjNoASbxNdScFYrFRIv6205PlolehhpNl52YK5v1Lk0fdfxCaYaxsY="
+    - secure: "nxxWiaAefMEL0NIlJmm6z/R7lJu0MpV7UDrZ8JKlj1vrhw0xidWQwluCrnQS18kypw59gDvHSb/FqmSS4wz1ShVj6Zoptl3S7Y1DSkGPz1AndfDPyi2ned3VSW7aqT+LHdsVWn4YoGryjgEkCO8Lh4aTQlIFJIc1TFwo5L3b568="
+
+# Compilation matrix
 matrix:
   fast_finish: true
   include:
-
     - os: linux
       jdk: oraclejdk8
       addons:
@@ -18,26 +32,27 @@ matrix:
           - lib32z1
           - lib32ncurses5
           - genisoimage
+      env:
+      - M2_HOME: "$HOME/.binaries/apache-maven-3.3.9"
+      - PATH: "$M2_HOME/bin:$PATH"
+      - DISPLAY: ":99.0"
       before_install:
       - "sh -e ./build-tools/scripts/travis-download-maven.sh"
-      - export M2_HOME=$HOME/.binaries/apache-maven-3.3.9
-      - export PATH=$M2_HOME/bin:$PATH
-      - mvn -Xmx32m --version
-      - "export DISPLAY=:99.0"
       - "sh -e /etc/init.d/xvfb start"
       - sleep 3 # give xvfb some time to start
-      - echo "MAVEN_OPTS=\"$MAVEN_OPTS -XX:+CMSClassUnloadingEnabled -Xmx3g\"" > $HOME/.mavenrc
-      env: DISPLAY=:99.0
-
+      - echo "MAVEN_OPTS=\"$MAVEN_OPTS\"" > $HOME/.mavenrc
     - os: osx
       osx_image: xcode8.2 # see https://docs.travis-ci.com/user/osx-ci-environment/
       before_install:
-      - mvn -Xmx32m --version
-      - echo "MAVEN_OPTS=\"$MAVEN_OPTS -XX:+CMSClassUnloadingEnabled -Xmx3g\"" > $HOME/.mavenrc
+      - echo "MAVEN_OPTS=\"$MAVEN_OPTS\"" > $HOME/.mavenrc
 
 install: true
 
-script: "mvn -B -e -P!generateproduct -Dio.sarl.docs.tests.skip=true clean install"
+script: "mvn -B $MAVEN_COMPILATION_OPTS clean install"
+
+# Deployment of the SNAPSHOT version.
+after_success:
+  - "[[ ${TRAVIS_OS_NAME} == 'linux' ]] && [[ ${TRAVIS_PULL_REQUEST} == 'false' ]] && [[ ${TRAVIS_TAG} == '' ]] && [[ ${TRAVIS_BRANCH} == 'master' ]] && echo "MAVEN_OPTS=\"$MAVEN_OPTS -Djavax.net.ssl.trustStore=$HTTPS_KEYSTORE_FILE -Djavax.net.ssl.trustStorePassword=$HTTPS_KEYSTORE_PWD -Djavax.net.ssl.keyStore=$HTTPS_KEYSTORE_FILE -Djavax.net.ssl.keyStorePassword=$HTTPS_KEYSTORE_PWD\"" > $HOME/.mavenrc && mvn -B $MAVEN_DEPLOYMENT_OPTS deploy  --settings $MAVEN_DEPLOYMENT_SETTING"
 
 #after_failure: "sh -e ./build-tools/scripts/print-surefire-reports.sh"
 
@@ -46,15 +61,3 @@ cache:
   - $HOME/.m2
   - $HOME/.binaries
 
-env:
-  global:
-    - secure: "e+S71qmexycXKKiRLzc/B12HO64XiGxB9nWW5vifuOI22qjsma6T2z4z+v5qWgSG0O5SEHjQCw+rXDjoqjD0hA8qHpiaFb5vuKS69ulBFfTM5QT4+5F3RX/xepYfrUZlAner7ES7UrYnwDOlASrARiy1HLmcWHcruLosWWgev9Y="
-    - secure: "grzZIv0E+OjSYyB81LH9j2KjH2SCspvsRY54KXD0dP7QmFb8pNbWClhV0TpGevaU4uocDn2ZhlXQdCEpzpesHo0LcPKz+b03xPg6ydbXvMuFXzJ4fFEUfi5iaRGuDDIFm/IPGEMRYyv62poUMFiKpwgECvFjE4ECG8NPegpZnz8="
-    - secure: "aIOrF7Oa3r2ZWuRC6YwSuw1UnDoBLz8uLjNmtq3ZIJzukI93NfjmnJcr+d278nvqOWm/eR+UPkE8fB8PgWamAoxYRK60bjP9ScvaudqR4cztwKMzHLetR1+h0yt3qRS3sl2ImdY2k0UkZDLe+sW7ColCnC1pKM4ty9mbs2tBbvk="
-    - secure: "SIQFWoeSvpHTtWi9x8SZ7J2qDU7OspParyQLAMuKsOK/SMeRbSEGoz1GMgoGMkTsrV64jbG82FTp+0h1ja4ImiaqNuJU7nnIya1CXQOQdtt2q0kcnVBUwhjNoASbxNdScFYrFRIv6205PlolehhpNl52YK5v1Lk0fdfxCaYaxsY="
-
-# Deployment of the SNAPSHOT version.
-after_success:
-  - "[[ ${TRAVIS_OS_NAME} == 'linux' ]] && [[ ${TRAVIS_PULL_REQUEST} == 'false' ]] && [[ ${TRAVIS_TAG} == '' ]] && [[ ${TRAVIS_BRANCH} == 'master' ]] && mvn -B deploy -DskipTests -Dmaven.test.skip=true -Dcheckstyle.skip=true --settings build-tools/src/main/resources/maven/deploy-settings.xml"
-
-
diff --git a/build-tools/keyring/https.keystore b/build-tools/keyring/https.keystore
new file mode 100644
index 0000000000..903ac1471c
Binary files /dev/null and b/build-tools/keyring/https.keystore differ