SetaPDF-Signer

Guarantee PDF document integrity with PHP

The SetaPDF-Signer component allows PHP developers to write programms, which are able to digital sign PDF documents in pure PHP.

Digital signatures in PDF or any other document serves two purposes: The signature guarantees the document's integrity and it allows the recipient to identify the signer of a document.

The PHP component offers the following key features:

• Completely written in PHP
• Compatible with all available PDF versions
• Digital sign PDF documents with any X509 Certificate
• Sign or Certify Documents
• Create PAdES conform PDF signatures in PHP
• Resolving of validation related information (VRI) for Long-Term Validation (LTV)
• Modules for cloud key management services (Azure Key Vault / AWS KMS / Google Cloud KMS)
• Module to access keys stored on PKCS #11 compatible devices
• Extendable via individual modules
• Optional signature modules on request
• Visible signatures
• RFC 3161 compatible timestamping
• Easy to understand usage

In Action [See all demos]

Simple Usage Demo with LTV

A simple signature process including embedding of Long-Term Validation information.

Qualified Document Level Timestamp Signatures

Add a qualified document level timestamp signature to a PDF document.

More demos are available here.