diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
new file mode 100644
index 0000000..03fe0e2
--- /dev/null
+++ b/.github/workflows/android.yml
@@ -0,0 +1,33 @@
+name: Gomobile for Android
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: Build library for Android with gomobile
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Build
+      run: |
+        ./build.sh android
+        find build
+
+    - name: Upload Android artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: Android build
+        path: build/android
+        if-no-files-found: error
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
new file mode 100644
index 0000000..47e7dd4
--- /dev/null
+++ b/.github/workflows/go.yml
@@ -0,0 +1,38 @@
+name: Go test and lint
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+        go install github.com/golangci/golangci-lint/cmd/golangci-lint
+
+    - name: Test
+      run: go test -v -race ./...
+
+    - name: Lint
+      run: golangci-lint run ./...
diff --git a/.github/workflows/ios.yml b/.github/workflows/ios.yml
new file mode 100644
index 0000000..35804db
--- /dev/null
+++ b/.github/workflows/ios.yml
@@ -0,0 +1,70 @@
+name: Gomobile for iOS
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: Build library for iOS with gomobile
+    runs-on: macos-latest
+
+    steps:
+      - name: Set up xcode 12.2
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: 12.2
+        id: xcode
+
+      - name: Set up Go 1.15
+        uses: actions/setup-go@v2
+        with:
+          go-version: ^1.15
+        id: go
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Build
+        env:
+          platform: ${{ 'iOS Simulator' }}
+        run: |
+          ./build.sh apple
+          find build
+
+      - name: Upload iOS artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: iOS build
+          path: build/ios
+          if-no-files-found: error
+
+      - name: Upload mac OS artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: mac OS build
+          path: build/macos
+          if-no-files-found: error
+
+      - name: Upload mac OS ui artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: mac OS ui build
+          path: build/macos-ui
+          if-no-files-found: error
+
+      - name: Upload iOS simulator artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: iOS simulator build
+          path: build/ios-simulator
+          if-no-files-found: error
+
+      - name: Upload xcframework
+        uses: actions/upload-artifact@v2
+        with:
+          name: Gopenpgp xcframework
+          path: build/Gopenpgp.xcframework
+          if-no-files-found: error
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index eec6400..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-# use the latest ubuntu environment (18.04) available on travis
-dist: bionic
-
-language: go
-
-# Force-enable Go modules. Also force go to use the code in vendor/
-# These will both be unnecessary when Go 1.14 lands.
-env: GO111MODULE=on
-
-go:
-  - 1.12.x
-  - 1.13.x
-  - 1.14.x
-
-# Only clone the most recent commit.
-git:
-  depth: 1
-
-# Skip the install step. Don't `go get` dependencies. Only build with the code
-# in vendor/
-install: true
-
-# Don't email me the results of the test runs.
-notifications:
-  email: false
-
-# Anything in before_script that returns a nonzero exit code will flunk the
-# build and immediately stop. It's sorta like having set -e enabled in bash.
-# Make sure you've pinned the version of golangci-lint by running this command
-# in your project directory:
-#   GO111MODULE=on go get github.com/golangci/golangci-lint@v1.21.0
-# You should see this line in your go.mod file:
-#   github.com/golangci/golangci-lint v1.21.0
-before_script:
-  - go install github.com/golangci/golangci-lint/cmd/golangci-lint
-
-# script always runs to completion (set +e). If we have linter issues AND a
-# failing test, we want to see both. Configure golangci-lint with a
-# .golangci.yml file at the top level of your repo.
-script:
-  - golangci-lint run       # run a bunch of code checkers/linters in parallel
-  - go test -v -race ./...  # Run all the tests with the race detector enabled
\ No newline at end of file
diff --git a/build.sh b/build.sh
index d007126..960d0e0 100755
--- a/build.sh
+++ b/build.sh
@@ -1,101 +1,120 @@
 #!/bin/bash
 
-PACKAGE_PATH="github.com/ProtonMail/gopenpgp"
-cd "${GOPATH}"/src/${PACKAGE_PATH} || exit
-if ! [ -L "v2" ]; then
-  ln -s . v2
-fi
-
-printf "\e[0;32mStart installing vendor \033[0m\n\n"
-export GO111MODULE=on
-go mod vendor
-printf "\e[0;32mDone \033[0m\n\n"
-
-OUTPUT_PATH="dist"
-
-ANDROID_OUT=${OUTPUT_PATH}/"Android"
-ANDROID_OUT_FILE_NAME="gopenpgp"
-ANDROID_OUT_FILE=${ANDROID_OUT}/${ANDROID_OUT_FILE_NAME}.aar
-ANDROID_JAVA_PAG="com.proton.${ANDROID_OUT_FILE_NAME}"
-
-IOS_OUT=${OUTPUT_PATH}/"iOS"
-IOS_OUT_FILE_NAME="Crypto"
-IOS_OUT_FILE=${IOS_OUT}/${IOS_OUT_FILE_NAME}.framework
-
-
-
-mkdir -p $ANDROID_OUT
-mkdir -p $IOS_OUT
-
-install() 
+install_modules()
 {
-    INSTALL_NAME=$1
-    FROM_PATH=$2
-    INSTALL_PATH=$3
-    if [[ -z "${INSTALL_PATH}" ]]; then
-        printf "\e[0;32m ${INSTALL_NAME} project path is undefined! ignore this !\033[0m\n";
-    else 
-        printf "\n\e[0;32mDo you wise to install the library into ${INSTALL_NAME} project \033[0m\n"
-        printf "\e[0;37m${INSTALL_NAME} Project Path: \033[0m" 
-        printf "\e[0;37m${INSTALL_PATH} \033[0m" 
-        printf "\n"
-        while true; do
-            read -p "[Yy] or [Nn]:" yn
-            case $yn in
-                [Yy]* )
-                    printf "\e[0;32m  Installing .... \033[0m\n";
-                    cp -rf ${FROM_PATH} ${INSTALL_PATH}/
-                    printf "\n\e[0;32mInstalled \033[0m\n\n"
-                    break;;
-                [Nn]* ) exit;;
-                * ) echo "Please answer yes or no.";;
-            esac
-        done
-    fi
+	printf "\e[0;32mStart installing go modules and their dependencies \033[0m\n\n"
+	GO111MODULE=on
+	go mod download
+	printf "\e[0;32mDone \033[0m\n\n"
+}
+
+install_gomobile()
+{
+	printf "\e[0;32mInstalling gomobile fork\033[0m\n\n"
+	go build golang.org/x/mobile/cmd/gomobile
+	go build golang.org/x/mobile/cmd/gobind
+	printf "\e[0;32mDone \033[0m\n\n"
+	PATH=$(pwd):$PATH
 }
 
 # import function, add internal package in the build
 import()
-{
-    PACKAGES=" ${PACKAGES} ${PACKAGE_PATH}/v2/$1"
-}
-
-external() 
 {
     PACKAGES="${PACKAGES} $1"
 }
 
-######## MARK -- Main
+build()
+{
+	TARGET=$1
+	if [ $TARGET = "android" ]; then
+		OUT_EXTENSION="aar"
+	else
+		OUT_EXTENSION="framework"
+	fi
+	TARGET_DIR=${BUILD_DIR}/${TARGET}
+	TARGET_OUT_FILE=${TARGET_DIR}/${BUILD_NAME}.${OUT_EXTENSION}
+	mkdir -p $TARGET_DIR
+	printf "\e[0;32mStart Building ${TARGET} .. Location: ${TARGET_DIR} \033[0m\n\n"
+	gomobile bind -tags mobile -target $TARGET -x -o ${TARGET_OUT_FILE} -ldflags="${LDFLAGS}" ${PACKAGES}
+}
 
-#flags
-DFLAGS="-s -w"
 
+## ======== Config ===============
+
+# ==== Generic parameters ======
+
+# output directory
+BUILD_DIR="./build"
+
+# linkage flags
+LDFLAGS="'all=-s -w'"
+
+# name of the build output
+BUILD_NAME="Gopenpgp"
+
+# ==== Packages to include =====
 PACKAGES=""
-#add internal package 
+
 ## crypto must be the first one, and the framework name better same with the first package name
-import crypto 
-import armor 
-import constants 
-import models 
-import subtle 
-import helper
+import github.com/ProtonMail/gopenpgp/v2/crypto
+import github.com/ProtonMail/gopenpgp/v2/armor
+import github.com/ProtonMail/gopenpgp/v2/constants
+import github.com/ProtonMail/gopenpgp/v2/models
+import github.com/ProtonMail/gopenpgp/v2/subtle
+import github.com/ProtonMail/gopenpgp/v2/helper
 
-## add external package
-if [ "$1" != '' ]; then
-  external $1
-fi
+######## ======== Main ===========
 
-printf "PACKAGES: ${PACKAGES}\n"
+# We get the needed go modules stated in the go.mod file
+install_modules
+install_gomobile
+go env
+echo "gomobile: $(which gomobile)"
+echo "gobind: $(which gobind)"
+printf "Packages included : ${PACKAGES}\n"
 ## start building
+# ================= Apple Builds ======================
+if [ "$#" -ne 1 ] || [ $1 = apple ]; then
+# ========== iOS and Simulator =========
 
-printf "\e[0;32mStart Building iOS framework .. Location: ${IOS_OUT} \033[0m\n\n"
-gomobile bind -target ios -o ${IOS_OUT_FILE} -ldflags="${DFLAGS}" ${PACKAGES}
-# install iOS  ${IOS_OUT_FILE} ${IOS_PROJECT_PATH}
+# we build the framework for the ios devices
+build ios
 
-printf "\e[0;32mStart Building Android lib .. Location: ${ANDROID_OUT} \033[0m\n\n"
-gomobile bind -target android -javapkg ${ANDROID_JAVA_PAG} -o ${ANDROID_OUT_FILE} -ldflags="${DFLAGS}" ${PACKAGES}
-# install Android ${ANDROID_OUT} ${ANDROID_PROJECT_PATH}
+# we make a copy of the framework for the simulator
+IOSSIM_OUT=${BUILD_DIR}/"ios-simulator"
+mkdir -p $IOSSIM_OUT
+IOS_OUT_FILE=${BUILD_DIR}/ios/${BUILD_NAME}.framework
+IOSSIM_OUT_FILE=${IOSSIM_OUT}/${BUILD_NAME}.framework
 
-printf "\e[0;32mInstalling frameworks. \033[0m\n\n"
+cp -R $IOS_OUT_FILE $IOSSIM_OUT_FILE;
 
-printf "\e[0;32mAll Done. \033[0m\n\n"
\ No newline at end of file
+# we remove the unwanted archs for ios and simulator
+lipo $IOSSIM_OUT_FILE/Versions/A/${BUILD_NAME} -remove arm64 -output $IOSSIM_OUT_FILE/Versions/A/${BUILD_NAME};
+lipo $IOS_OUT_FILE/Versions/A/${BUILD_NAME} -remove x86_64 -output $IOS_OUT_FILE/Versions/A/${BUILD_NAME};
+
+
+# ========== macOs ====================
+
+# we build the framework for the macos devices
+
+build macos
+
+# ======== macOSUI ===============
+
+# we build the framework for the macos-ui target
+
+build macos-ui
+
+# we join all platform's framework in a xcframework
+XCFRAMEWORK_OUT_FILE=$BUILD_DIR/$BUILD_NAME.xcframework
+
+xcodebuild -create-xcframework -framework $BUILD_DIR/ios/$BUILD_NAME.framework -framework $BUILD_DIR/macos/$BUILD_NAME.framework -framework $BUILD_DIR/macos-ui/$BUILD_NAME.framework -framework $BUILD_DIR/ios-simulator/$BUILD_NAME.framework -output $XCFRAMEWORK_OUT_FILE
+
+fi
+# ================  Android Build =====================
+if [ "$#" -ne 1 ] || [ $1 = android ]; then
+ANDROID_JAVA_PAG="com.proton.${ANDROID_OUT_FILE_NAME}"
+build android
+
+printf "\e[0;32mAll Done. \033[0m\n\n"
+fi
diff --git a/go.mod b/go.mod
index 1b36438..8fb6265 100644
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,15 @@
 module github.com/ProtonMail/gopenpgp/v2
 
-go 1.12
+go 1.15
 
 require (
 	github.com/ProtonMail/go-mime v0.0.0-20190923161245-9b5a4261663a
 	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.4.0
-	golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392
+	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
+	golang.org/x/mobile v0.0.0-20200801112145-973feb4309de
 )
 
 replace golang.org/x/crypto => github.com/ProtonMail/crypto v0.0.0-20200416114516-1fa7f403fb9c
+
+replace golang.org/x/mobile => github.com/zhj4478/mobile v0.0.0-20201014085805-7a2d68bf792f
diff --git a/go.sum b/go.sum
index a0e92d3..8588bd9 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,4 @@
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/ProtonMail/crypto v0.0.0-20200416114516-1fa7f403fb9c h1:DAvlgde2Stu18slmjwikiMPs/CKPV35wSvmJS34z0FU=
 github.com/ProtonMail/crypto v0.0.0-20200416114516-1fa7f403fb9c/go.mod h1:Pxr7w4gA2ikI4sWyYwEffm+oew1WAJHzG1SiDpQMkrI=
 github.com/ProtonMail/go-mime v0.0.0-20190923161245-9b5a4261663a h1:W6RrgN/sTxg1msqzFFb+G80MFmpjMw61IU+slm+wln4=
@@ -18,7 +19,19 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/zhj4478/mobile v0.0.0-20201014085805-7a2d68bf792f h1:3NX1KS08WQ2sF4EYpqlpWlBDpxpcaIkhywFAKQM1iYQ=
+github.com/zhj4478/mobile v0.0.0-20201014085805-7a2d68bf792f/go.mod h1:skQtrUTUwhdJvXM/2KKJzY8pDgNr9I/FOMqDVRPBUS4=
+golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
+golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -26,6 +39,12 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69 h1:yBHHx+XZqXJBm6Exke3N7V9gnlsyXxoCPEb1yVenjfk=
+golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=