CircleCI script integration with PKCS11

Set up DigiCert® Software Trust Manager client tools and integrate them with CircleCI for automation into a CI/CD pipeline.

Prerequisites

CircleCI build system
Any operating system that supports Java on CircleCI
JDK installed on the agent
DigiCert® Software Trust Manager credentials
DigiCert® Software Trust Manager client tools

Client tools

DigiCert® Software Trust Manager clients can be downloaded in a package.

Download client tools

Sign in to DigiCert ONE.
Navigate to DigiCert® Software Trust Manager > Resources > Client tool repository.
Select your operating system.
Click the download icon next to DigiCert® Software Trust Manager clients.

Create PKCS11 configuration file

To create a configuration file with the path to this shared library:

Open an integrated development environment (IDE) or plain text editor.

Copy and paste the following text into the editor:

例 1. Windows

name=signingmanager 
library="<path to smpkcs11.dll>"
slotListIndex=0

Sample

name=signingmanager 
library="C:\\Program Files\\DigiCert\\DigiCert One Signing Manager Tools\\smpkcs11.dll"
slotListIndex=0

例 2. Linux

name=signingmanager 
library="<path to smpkcs11.so>"
slotListIndex=0

Sample:

name=signingmanager 
library="/home/<user>/smtools-linux-x64/smpkcs11.so" 
slotListIndex=0

例 3. macOS

name=signingmanager 
library=<path to smpkcs11.dylib> 
slotListIndex=0

Sample:

name=signingmanager 
library=/Users/<user>/digicert/smtools-mac/smpkcs11.dylib" 
slotListIndex=0

Save the file as pkcs11properties.cfg.
Move the pkcs11properties.cfg file to the same location as the PKCS11 library.

Set PATH environment variables

Operating systems use the environment variable called PATH to determine where executable files are stored on your system. Use the PATH environment variable to store the file path to your signing tools to ensure that the CLI can reference these signing tools.

例 4. Windows

You can set the PATH environment variable using command line or via the environment variables.

To set the path to your signing tools via command line:

set PATH=%path%;<path to DigiCert One Signing Manager Tools>

Command sample:

set PATH=%path%;C:\Program Files\DigiCert\DigiCert One Signing Manager Tools

To set the path to your signing tools for your system or account:

Search for environment variables in the Windows start menu.
Select Edit environment variables for your account or Edit system environment variables.
Double click on the Path variable.
Click New.
Select Browse.
Select the path to the signing tool.
Click OK to save the path.
Click on OK to close the dialog.

例 5. Linux

To set the path to your signing tools via command line:

Launch the Terminal application.
Open the file in an editor:
```
nano ~/.profile
```

Add any exports definitions you need:

export PATH=<Path to DigiCert One Signing Manager Tools>

Click CTRL+X to exit.
Click Y to save.
Click Enter to keep the same file name.
Execute the new .profile by restarting Terminal or using:
```
 source ~/.profile
```

例 6. macOS

To set the path to your signing tools via command line:

Launch the Terminal application.
Create a profile file:
```
touch ~/.zprofile
```
Open the file in an editor:
```
open ~/.zprofile
```

Add any exports definitions you need, such as:

export PATH=<Path to DigiCert One Signing Manager Tools>

To save the new .zprofile, click File > Save (CMD + S).
Close the terminal window and reopen to use new saved variables.

User authentication

Software Trust Manager enforces multifactor authentication for security. To access keypairs, certificates, and sign code, you need to set up two types of credentials: an API token and an authentication certificate.

Create an API token

The API token is an authentication method used to verify you as a user and your permissions assigned in DigiCert ONE. The API token provides the first factor authentication.

Follow these steps to generate an API token:

Sign in to DigiCert ONE.
Select the profile icon (top-right).
Select Admin Profile.
Scroll down to API Tokens.
Select  Create API token.
注意
The API token is only shown once, securely store the API key to use it later.

Create an authentication certificate

The client authentication certificate is an authentication method used to verify you as a user and your permissions assigned in DigiCert ONE. The client authentication certificate provides the second factor authentication.

Follow these steps to create a client authentication certificate:

Sign in to DigiCert ONE.
Select the profile icon (top-right).
Select Admin Profile.
Scroll down to Authentication certificates.
Select Create authentication certificate.
注意
The client authentication certificate password shown after creating an client authentication certificate cannot be accessed again, download the certificate and securely store the password to use it later.

DigiCert® Software Trust Manager environment variables

Set the following environment variables:

Variable	Description
SM_API_KEY	Provide your API token.
SM_CLIENT_CERT_FILE	Provide your client authentication certificate.
SM_CLIENT_CERT_PASSWORD	Provide your client certificate password.
SM_HOST	Provide your host environment.
PKCS11_CONFIG	Provide the path to the PKCS11 configuration file.
SM_TLS_SKIP_VERIFY	Enter true to disable or false to enable TLS verification on client side.

Integration with CircleCI

Environment variables setup for CircleCI

The client tools need these environment variables to connect with DigiCert® Software Trust Manager to provide its service. They can be integrated as CircleCI Environment Variables in CircleCI project.

To set environment variables in CircleCI, go to Projects > Project Settings > Environment Variables.

Set certificate file in environment variables:

Identify your downloaded client authentication certificate.
Encode the file to base64, using the command:
```
base64 file_name
```
Go to CircleCI, go to Projects > Project Settings > Environment Variables.
Select Add Environment Variable and add the new variable name as "SM_CLIENT_CERT_FILE_B64" and the encoded value from base64 file_name in the Value field.

Run this code to setup the certificate file for signing:

steps:
  - checkout
  - run:
      name: "Certificate-Setup"
      command: |
        cd C:\
        New-Item C:\CERT_FILE.p12.b64
        Set-Content -Path C:\CERT_FILE.p12.b64 -Value $env:SM_CLIENT_CERT_FILE_B64
        certutil -decode CERT_FILE.p12.b64 Certificate_pkcs12.p12
        cat Certificate_pkcs12.p12
   
environment:
  SM_CLIENT_CERT_FILE: 'C:\Certificate_pkcs12.p12'

Certificates and keypairs

The following scripts can be used to generate keypairs and certificates.

Create test keypair and certificate

To generate a RSA test keypair with certificate using CircleCI:

steps:
  - checkout
  - run:
      name: "Create-Test-Keypair"
      command: |
        & $env:SSM\smctl.exe keypair generate rsa <Keypair Name> --cert-alias=<Certificate Name> --cert-profile-id=<Certificate Profile ID> --generate-cert=true --key-type=TEST
environment:
  SSM: 'C:\Program Files\DigiCert\DigiCert One Signing Manager Tools'

注意

The keypair name and certificate name must be unique, meaning these names cannot already exist on the portal.

To retrieve the certificate profile ID:

Access DigiCert ONE > DigiCert® Software Trust Manager > Certificates > Certificate profiles.
Select a certificate profile to generate the certificate (profile category must be test).
Identify the Profile ID.

Create production keypair with certificate

To generate an RSA production keypair with a given certificate using the CircleCI actions pipeline:

steps:
  - checkout
  - run:
      name: "Create-Production-Keypair"
      command: |
        & $env:SSM\smctl.exe keypair generate rsa <Keypair Name> --cert-alias=<Certificate Name> --cert-profile-id=<Certificate Profile ID> --generate-cert=true --key-type=PRODUCTION
environment:
  SSM: 'C:\Program Files\DigiCert\DigiCert One Signing Manager Tools'

注意

Select a certificate profile with the profile category "Production".

Create certificate from an existing keypair

To generate a certificate for an existing keypair using CircleCI:

steps:
  - checkout
  - run:
      name: "Create-Certificate"
      command: |
        & $env:SSM\smctl.exe keypair generate-cert <Keypair ID> --cert-alias=<Certificate Name> --cert-profile-id=<Certificate Profile ID>
environment:
  SSM: 'C:\Program Files\DigiCert\DigiCert One Signing Manager Tools'

注意

The inputs required are a keypair ID, certificate name (which must be unique), and certificate profile ID.

You can retrieve the keypair ID in two ways:

Sign

To sign with Jarsigner:

- run:
    name: "Signing using Jarsigner"
    command: |
        jarsigner -keystore NONE -storepass NONE -storetype PKCS11 -sigalg SHA256withRSA -providerClass sun.security.pkcs11.SunPKCS11 -providerArg %PKCS11_CONFIG% -signedjar <path to output the signed .jar> <path to the Jar to be signed> <certificate alias> -tsa http://timestamp.digicert.com

Verify signature

To verify a signature with Jarsigner:

- run:
    name: "Jarsigner verify"
    command: |
        jarsigner -verify <Path to Signed Jar>

The only input for this command is the path to the signed.jar file to be verified.

Sample pipeline

version: 2.1

orbs:
  win: circleci/windows@4.1

jobs:
  SSM_Signing:
    executor: win/server-2022
    steps:
      - checkout
      - run:
          name: "Certificate-Setup"
          command: |
            cd C:\
            New-Item C:\CERT_FILE.p12.b64
            Set-Content -Path C:\CERT_FILE.p12.b64 -Value $env:SM_CLIENT_CERT_FILE_B64
            certutil -decode CERT_FILE.p12.b64 Certificate_pkcs12.p12
    
      - run:
          name: "Setting-up-the-client-tools"
          command: |
            cd C:\
            curl.exe -X GET  https://one.digicert.com/signingmanager/api-ui/v1/releases/smtools-windows-x64.msi/download -H "x-api-key:$env:SM_API_KEY" -o smtools-windows-x64.msi
            msiexec.exe /i smtools-windows-x64.msi /quiet /qn | Wait-Process

      - run:
          name: "Generate Production Keypair"
          command: |
            & $env:Smctl keypair generate rsa $env:Keypair --cert-alias=$env:Keypair --cert-profile-id=93a61900-e33f-4d24-a91e-f1e405db4452 --generate-cert=true --key-type=PRODUCTION

      - run:
          name: "Signing using Jarsigner"
          command: |
            Copy-Item -Path C:\Users\circleci.PACKER-625580E2\project\UNSIGNED.jar -Destination C:\
            jarsigner -keystore NONE -storepass NONE -storetype PKCS11 -sigalg SHA256withRSA -providerClass sun.security.pkcs11.SunPKCS11 -providerArg C:\Users\circleci.PACKER-625580E2\project\pkcs11properties.cfg -signedjar C:\SIGNED.jar C:\UNSIGNED.jar $env:Keypair -tsa http://timestamp.digicert.com

      - run:
          name: "Jarsigner verify"
          command: |
            jarsigner -verify C:\SIGNED.jar

    environment:
      SM_CLIENT_CERT_FILE: 'C:\Certificate_pkcs12.p12'
      Keypair: 'keypair_circle_test'
      Smctl: 'C:\Program Files\DigiCert\DigiCert One Signing Manager Tools\smctl.exe'

workflows:
  my-workflow:
    jobs:

本节内容如下:

CircleCI script integration with PKCS11

Prerequisites

Client tools

Download client tools

Create PKCS11 configuration file

Set PATH environment variables

User authentication

Create an API token

注意

Create an authentication certificate

注意

DigiCert​​®​​ Software Trust Manager environment variables

Integration with CircleCI

Certificates and keypairs

Create test keypair and certificate

注意

Create production keypair with certificate

注意

Create certificate from an existing keypair

注意

注意

注意

Sign

Verify signature

Sample pipeline

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DigiCert® Software Trust Manager environment variables