openssl pkcs12 -export -out certificate.pfx -inkey privateKey.pem -in certificate.pem

Adobe hosts its developer resources on GitHub. To get the , you need to navigate to the official repository.

ZXPSignCmd -verify <zxpFile>

zxpsigncmd -createkey MyCertificate.pfx -keytype RSA2048 -password MyPassword

Let’s look at the legitimate ways to perform a .

Before we dive into the location, it is crucial to understand what this tool does.

Inside the SignTool directory, you will find the executable files:

Developers often ask, "Which version should I download?" Adobe updates the CEP SDK periodically to match new versions of Creative Cloud apps.

Remember: Always prioritize security over convenience. When in doubt, extract the tool from the official Adobe CC Extension SDK rather than a random blog post. With the steps and troubleshooting tips outlined above, you should be able to integrate ZXPSignCmd into your build pipeline and keep your Adobe extensions signed, trusted, and installable for years to come.

| Parameter | Required | Description | |-----------|----------|-------------| | --source | Yes | Full URL of the remote signed ZXP file or manifest. | | --destination | Yes | Local folder or file path where the downloaded ZXP will be saved. | | --cert | No | Certificate thumbprint or alias to validate the remote signature before download. | | --verify | No | Forces integrity and signature verification after download. | | --quiet | No | Suppresses console output except for errors. |

It is critical to use the -tsa flag during signing (e.g., using DigiCert's timestamp server) to ensure the extension remains valid even after the digital certificate expires.