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PDF Signature Validator

Minimal PHP library to extract and validate PDF signatures.

Install

composer require libresign/pdf-signature-validator

Usage

use LibreSign\PdfSignatureValidator\Parser\PdfSignatureValidator;

$validator = new PdfSignatureValidator();

$results = $validator->validateFromString($pdfBinaryContent);
// or: $results = $validator->validateFromResource($resource);

Each item in $results includes:

  • signatureValidation (ValidationResult)
  • certificateValidation (ValidationResult)

Development

Use the CI workflows as the source of truth. For local execution, use the scripts declared in composer.json.