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Generate and verify basic signature for classes
Zero dependency library for generating a Mastercard API compliant OAuth signature.
A PHP SDK for HelloSign's API
Sign and verify PSR-7 HTTP messages in PHP.
Create and validate signed URLs with a limited lifetime
PHP quick start examples
Secure URL signing and validation
A DigiDoc library for signing documents
Library for HTTP request signing (PHP implementation)
JSON Object Signing and Encryption library for PHP.