diff --git a/.github/workflows/reusable-verify.yml b/.github/workflows/reusable-verify.yml
new file mode 100644
index 0000000..36f209c
--- /dev/null
+++ b/.github/workflows/reusable-verify.yml
@@ -0,0 +1,271 @@
+# reusable workflow: Verify container
+# https://docs.github.com/en/actions/using-workflows/reusing-workflows
+on:
+  workflow_call:
+    inputs:
+      os:
+        required: true
+        type: string
+        description: host OS that CI 'runs-on'
+      docker_image:
+        required: false
+        type: string
+        default: ""
+        description: Docker image name
+      package_installation_command:
+        required: false
+        type: string
+        default: ""
+        description: package installation command
+    secrets:
+      SSH_KEY_PEM:
+        required: true
+        description: SSH private key (PEM format)
+      SSH_KEY_PKCS8:
+        required: true
+        description: SSH private key (PKCS8 format)
+      SSH_KEY_RFC4716:
+        required: true
+        description: SSH private key (RFC4716 format)
+
+jobs:
+  ssh-pem:
+    name: Connect to github.com (PEM format)
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: unnecessary
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  ssh-pem-bitbucket:
+    name: Connect to bitbucket.org (PEM format)
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: |
+          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
+    - name: git clone through SSH
+      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
+
+  ssh-pkcs8:
+    name: Connect to github.com (PKCS8 format)
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PKCS8 }}
+        known_hosts: unnecessary
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  ssh-pkcs8-bitbucket:
+    name: Connect to bitbucket.org (PKCS8 format)
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PKCS8 }}
+        known_hosts: |
+          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
+    - name: git clone through SSH
+      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
+
+  ssh-rfc4716:
+    name: Connect to github.com (RFC4716 format)
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_RFC4716 }}
+        known_hosts: unnecessary
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  ssh-rfc4716-bitbucket:
+    name: Connect to bitbucket.org (RFC4716 format)
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_RFC4716 }}
+        known_hosts: |
+          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
+    - name: git clone through SSH
+      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
+
+  key_if_exists_replace-key_exists:
+    name: if_key_exists=replace / key exists
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key (dummy)
+      uses: ./.
+      with:
+        key: "dummy" # replaced
+        known_hosts: unnecessary
+    - name: Install SSH key (replace)
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: unnecessary
+        if_key_exists: replace
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  key_if_exists_replace-key_doesnt_exist:
+    name: if_key_exists=replace / key doesn't exist
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key (replace)
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: unnecessary
+        if_key_exists: replace
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  key_if_exists_ignore-key_exists:
+    name: if_key_exists=ignore / key exists
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key (dummy)
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: unnecessary
+    - name: Install SSH key (replace)
+      uses: ./.
+      with:
+        key: "dummy" # ignored
+        known_hosts: unnecessary
+        if_key_exists: ignore
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  key_if_exists_ignore-key_doesnt_exist:
+    name: if_key_exists=ignore / key doesn't exist
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key (replace)
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: unnecessary
+        if_key_exists: ignore
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  key_if_exists_fail-key_exists:
+    name: if_key_exists=fail / key exists
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key (dummy)
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: unnecessary
+    - name: Install SSH key (replace)
+      uses: ./.
+      with:
+        key: "dummy" # ignored
+        known_hosts: unnecessary
+        if_key_exists: fail
+      continue-on-error: true
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  key_if_exists_fail-key_doesnt_exist:
+    name: if_key_exists=fail / key doesn't exist
+    runs-on: ${{ inputs.os }}
+    container: ${{ inputs.docker_image }}
+    steps:
+    - name: Install packages
+      run: ${{ inputs.package_installation_command }}
+      if: ${{ inputs.package_installation_command != '' }}
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key (replace)
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: unnecessary
+        if_key_exists: fail
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
diff --git a/.github/workflows/verify-on-container-alpine.yml b/.github/workflows/verify-on-container-alpine.yml
index 5cecef5..12262da 100644
--- a/.github/workflows/verify-on-container-alpine.yml
+++ b/.github/workflows/verify-on-container-alpine.yml
@@ -6,367 +6,8 @@ on:
 - push
 
 jobs:
-  ssh-pem:
-    name: Connect to github.com (PEM format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pem-bitbucket:
-    name: Connect to bitbucket.org (PEM format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-pkcs8:
-    name: Connect to github.com (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pkcs8-bitbucket:
-    name: Connect to bitbucket.org (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-rfc4716:
-    name: Connect to github.com (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-rfc4716-bitbucket:
-    name: Connect to bitbucket.org (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-
-  key_if_exists_replace-key_exists:
-    name: if_key_exists=replace / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: "dummy" # replaced
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_replace-key_doesnt_exist:
-    name: if_key_exists=replace / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_ignore-key_exists:
-    name: if_key_exists=ignore / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_ignore-key_doesnt_exist:
-    name: if_key_exists=ignore / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_fail-key_exists:
-    name: if_key_exists=fail / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - alpine:3.10
-        - alpine:3.11
-        - alpine:3.12
-        - alpine:3.13
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: fail
-      continue-on-error: true
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_fail-key_doesnt_exist:
-    name: if_key_exists=fail / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
+  verify:
+    name: Verify
     strategy:
       fail-fast: false
       matrix:
@@ -374,23 +15,14 @@ jobs:
         - ubuntu-18.04
         - ubuntu-20.04
         - ubuntu-22.04
-        container:
+        docker_image:
         - alpine:3.10
         - alpine:3.11
         - alpine:3.12
         - alpine:3.13
-    steps:
-    - name: Install packages
-      run: apk add openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: fail
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+    uses: "./.github/workflows/reusable-verify.yml"
+    with:
+      os: ${{ matrix.os }}
+      docker_image: ${{ matrix.docker_image }}
+      package_installation_command: apk add openssh-client git
+    secrets: inherit
diff --git a/.github/workflows/verify-on-container-centos.yml b/.github/workflows/verify-on-container-centos.yml
index 6390499..e7cf195 100644
--- a/.github/workflows/verify-on-container-centos.yml
+++ b/.github/workflows/verify-on-container-centos.yml
@@ -6,356 +6,8 @@ on:
 - push
 
 jobs:
-  ssh-pem:
-    name: Connect to github.com (PEM format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pem-bitbucket:
-    name: Connect to bitbucket.org (PEM format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-pkcs8:
-    name: Connect to github.com (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pkcs8-bitbucket:
-    name: Connect to bitbucket.org (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-rfc4716:
-    name: Connect to github.com (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-rfc4716-bitbucket:
-    name: Connect to bitbucket.org (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-
-  key_if_exists_replace-key_exists:
-    name: if_key_exists=replace / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: "dummy" # replaced
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_replace-key_doesnt_exist:
-    name: if_key_exists=replace / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_ignore-key_exists:
-    name: if_key_exists=ignore / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_ignore-key_doesnt_exist:
-    name: if_key_exists=ignore / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_fail-key_exists:
-    name: if_key_exists=fail / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - quay.io/centos/centos:centos7
-        - quay.io/centos/centos:stream8
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: fail
-      continue-on-error: true
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_fail-key_doesnt_exist:
-    name: if_key_exists=fail / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
+  verify:
+    name: Verify
     strategy:
       fail-fast: false
       matrix:
@@ -363,22 +15,12 @@ jobs:
         - ubuntu-18.04
         - ubuntu-20.04
         - ubuntu-22.04
-        container:
+        docker_image:
         - quay.io/centos/centos:centos7
         - quay.io/centos/centos:stream8
-    steps:
-    - name: Install packages
-      run: |
-        yum install -y git openssh-clients
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: fail
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+    uses: "./.github/workflows/reusable-verify.yml"
+    with:
+      os: ${{ matrix.os }}
+      docker_image: ${{ matrix.docker_image }}
+      package_installation_command: yum install -y git openssh-clients
+    secrets: inherit
diff --git a/.github/workflows/verify-on-container-ubuntu.yml b/.github/workflows/verify-on-container-ubuntu.yml
index acdb4cf..21c5897 100644
--- a/.github/workflows/verify-on-container-ubuntu.yml
+++ b/.github/workflows/verify-on-container-ubuntu.yml
@@ -6,389 +6,8 @@ on:
 - push
 
 jobs:
-  ssh-pem:
-    name: Connect to github.com (PEM format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pem-bitbucket:
-    name: Connect to bitbucket.org (PEM format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-pkcs8:
-    name: Connect to github.com (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pkcs8-bitbucket:
-    name: Connect to bitbucket.org (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-rfc4716:
-    name: Connect to github.com (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-rfc4716-bitbucket:
-    name: Connect to bitbucket.org (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-      fail-fast: false
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-
-  key_if_exists_replace-key_exists:
-    name: if_key_exists=replace / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: "dummy" # replaced
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_replace-key_doesnt_exist:
-    name: if_key_exists=replace / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_ignore-key_exists:
-    name: if_key_exists=ignore / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_ignore-key_doesnt_exist:
-    name: if_key_exists=ignore / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_fail-key_exists:
-    name: if_key_exists=fail / key exists
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-        container:
-        - ubuntu:16.04
-        - ubuntu:18.04
-        - ubuntu:20.04
-        - ubuntu:22.04
-    steps:
-    - name: Install packages
-      run: |
-        apt update
-        apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: fail
-      continue-on-error: true
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_fail-key_doesnt_exist:
-    name: if_key_exists=fail / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
+  verify:
+    name: Verify
     strategy:
       fail-fast: false
       matrix:
@@ -396,25 +15,16 @@ jobs:
         - ubuntu-18.04
         - ubuntu-20.04
         - ubuntu-22.04
-        container:
+        docker_image:
         - ubuntu:16.04
         - ubuntu:18.04
         - ubuntu:20.04
         - ubuntu:22.04
-    steps:
-    - name: Install packages
-      run: |
+    uses: "./.github/workflows/reusable-verify.yml"
+    with:
+      os: ${{ matrix.os }}
+      docker_image: ${{ matrix.docker_image }}
+      package_installation_command: |
         apt update
         apt install -y openssh-client git
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: fail
-    - name: print created files
-      run: ls -l /root/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+    secrets: inherit
diff --git a/.github/workflows/verify-on-macos.yml b/.github/workflows/verify-on-macos.yml
index 145ac2e..586bd69 100644
--- a/.github/workflows/verify-on-macos.yml
+++ b/.github/workflows/verify-on-macos.yml
@@ -6,9 +6,8 @@ on:
 - push
 
 jobs:
-  ssh-pem:
-    name: Connect to github.com (PEM format)
-    runs-on: ${{ matrix.os }}
+  verify:
+    name: Verify
     strategy:
       fail-fast: false
       matrix:
@@ -16,314 +15,7 @@ jobs:
         - macos-10.15
         - macos-11
         - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pem-bitbucket:
-    name: Connect to bitbucket.org (PEM format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-pkcs8:
-    name: Connect to github.com (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pkcs8-bitbucket:
-    name: Connect to bitbucket.org (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-rfc4716:
-    name: Connect to github.com (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-rfc4716-bitbucket:
-    name: Connect to bitbucket.org (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-
-  ssh-with-name:
-    name: Connect to github.com with name and config
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        name: ssh_key_name # optional
-        config: | # optional
-          Host github
-            Hostname github.com
-            User git
-            IdentityFile ~/.ssh/ssh_key_name
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone github:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_replace-key_exists:
-    name: if_key_exists=replace / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: "dummy" # replaced
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_replace-key_doesnt_exist:
-    name: if_key_exists=replace / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_ignore-key_exists:
-    name: if_key_exists=ignore / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_ignore-key_doesnt_exist:
-    name: if_key_exists=ignore / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_fail-key_exists:
-    name: if_key_exists=fail / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: fail
-      continue-on-error: true
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_fail-key_doesnt_exist:
-    name: if_key_exists=fail / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - macos-10.15
-        - macos-11
-        - macos-12
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: fail
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+    uses: "./.github/workflows/reusable-verify.yml"
+    with:
+      os: ${{ matrix.os }}
+    secrets: inherit
diff --git a/.github/workflows/verify-on-ubuntu.yml b/.github/workflows/verify-on-ubuntu.yml
index 837da68..70106ec 100644
--- a/.github/workflows/verify-on-ubuntu.yml
+++ b/.github/workflows/verify-on-ubuntu.yml
@@ -6,9 +6,8 @@ on:
 - push
 
 jobs:
-  ssh-pem:
-    name: Connect to github.com (PEM format)
-    runs-on: ${{ matrix.os }}
+  verify:
+    name: Verify
     strategy:
       fail-fast: false
       matrix:
@@ -16,314 +15,7 @@ jobs:
         - ubuntu-18.04
         - ubuntu-20.04
         - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pem-bitbucket:
-    name: Connect to bitbucket.org (PEM format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-pkcs8:
-    name: Connect to github.com (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pkcs8-bitbucket:
-    name: Connect to bitbucket.org (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-rfc4716:
-    name: Connect to github.com (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-rfc4716-bitbucket:
-    name: Connect to bitbucket.org (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-
-  ssh-with-name:
-    name: Connect to github.com with name and config
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        name: ssh_key_name # optional
-        config: | # optional
-          Host github
-            Hostname github.com
-            User git
-            IdentityFile ~/.ssh/ssh_key_name
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone github:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_replace-key_exists:
-    name: if_key_exists=replace / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: "dummy" # replaced
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_replace-key_doesnt_exist:
-    name: if_key_exists=replace / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_ignore-key_exists:
-    name: if_key_exists=ignore / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_ignore-key_doesnt_exist:
-    name: if_key_exists=ignore / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_fail-key_exists:
-    name: if_key_exists=fail / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: fail
-      continue-on-error: true
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_fail-key_doesnt_exist:
-    name: if_key_exists=fail / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - ubuntu-18.04
-        - ubuntu-20.04
-        - ubuntu-22.04
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: fail
-    - name: print created files
-      run: ls -l ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+    uses: "./.github/workflows/reusable-verify.yml"
+    with:
+      os: ${{ matrix.os }}
+    secrets: inherit
diff --git a/.github/workflows/verify-on-windows.yml b/.github/workflows/verify-on-windows.yml
index b697ee4..5723141 100644
--- a/.github/workflows/verify-on-windows.yml
+++ b/.github/workflows/verify-on-windows.yml
@@ -6,311 +6,15 @@ on:
 - push
 
 jobs:
-  ssh-pem:
-    name: Connect to github.com (PEM format)
-    runs-on: ${{ matrix.os }}
+  verify:
+    name: Verify
     strategy:
       fail-fast: false
       matrix:
         os:
         - windows-2019
         - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pem-bitbucket:
-    name: Connect to bitbucket.org (PEM format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-pkcs8:
-    name: Connect to github.com (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-pkcs8-bitbucket:
-    name: Connect to bitbucket.org (PKCS8 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-  ssh-rfc4716:
-    name: Connect to github.com (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: unnecessary
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  ssh-rfc4716-bitbucket:
-    name: Connect to bitbucket.org (RFC4716 format)
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: |
-          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
-
-  ssh-with-name:
-    name: Connect to github.com with name and config
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        name: ssh_key_name # optional
-        config: | # optional
-          Host github
-            Hostname github.com
-            User git
-            IdentityFile ~/.ssh/ssh_key_name
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone github:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_replace-key_exists:
-    name: if_key_exists=replace / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: "dummy" # replaced
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_replace-key_doesnt_exist:
-    name: if_key_exists=replace / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: replace
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_ignore-key_exists:
-    name: if_key_exists=ignore / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_ignore-key_doesnt_exist:
-    name: if_key_exists=ignore / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: ignore
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-
-  key_if_exists_fail-key_exists:
-    name: if_key_exists=fail / key exists
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (dummy)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: "dummy" # ignored
-        known_hosts: unnecessary
-        if_key_exists: fail
-      continue-on-error: true
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
-  key_if_exists_fail-key_doesnt_exist:
-    name: if_key_exists=fail / key doesn't exist
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-        - windows-2019
-        - windows-2022
-    steps:
-    - name: Checkout source codes
-      uses: actions/checkout@v2
-    - name: Install SSH key (replace)
-      uses: ./.
-      with:
-        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: unnecessary
-        if_key_exists: fail
-    - name: print created files
-      run: ls ~/.ssh
-    - name: git clone through SSH
-      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+    uses: "./.github/workflows/reusable-verify.yml"
+    with:
+      os: ${{ matrix.os }}
+    secrets: inherit