FAQ Hero

Signature trust: code signing, document signing, and timestamping

Why signing matters for software and documents

Signature trust covers the ecosystems, controls, and cryptography used to prove authenticity and integrity for software and documents — from code signing in CI/CD pipelines to legally binding digital document signatures. Trusted signatures prevent tampering, secure software supply chains, and provide non-repudiation; timestamping ensures that an artifact’s signature remains verifiable even after a signing certificate expires. Implementing a signature trust program includes secure key management, integration with developer tooling, timestamping services, and compliance with ecosystem requirements (such as Adobe or platform-specific verification). DigiCert’s Software Trust and Document Trust capabilities provide secure key handling, developer SDKs, and timestamping so teams can automate signing across DevOps and document workflows while meeting compliance need.

What is code signing? 
Code signing attaches a cryptographic signature to software to prove the publisher and ensure the binary wasn’t tampered with.

Why is timestamping important? 
Timestamping records when a digital signature occurred so the signature remains verifiable after the signing certificate expires.

Does DigiCert support Adobe/enterprise document signing? 
Yes — DigiCert supports document trust and Adobe-trusted signature flows as part of our Document Trust offerings.

How do I integrate signing into CI/CD? 
Use DigiCert developer SDKs and key management best practices to sign artifacts in your build pipelines.

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