Libraries tagged by signing

PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.

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JSON Object Signing and Encryption library for PHP and Symfony Bundle.

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JSON Object Signing and Encryption library for PHP.

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CBOR Object Signing and Encryption (COSE) For PHP

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Encrypting and signing data using private/public keys

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Sign and verify HTTP messages

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Enterprise-grade, high-performance Symfony audit trail bundle. Automatically track Doctrine entity changes with split-phase architecture, multiple transports (HTTP, Queue, Doctrine), and sensitive data masking.

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The most advanced, driver-based PDF manipulation library for PHP v3.0. Supports Ghostscript, Chrome Headless (HTML to PDF), OpenSSL/FPDI (Signing), and PDFtk (Forms).

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PHP wrapper around OpenSSL extension providing SSL encoding, decoding, parsing and signing features

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JSON Object Signing and Encryption library for PHP.

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Laravel package for signing outgoing messages with DKIM.

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Tools to create and update certificate signing requests (CSRs) and self-signed certificates with keys from cloud key management systems (AWS KMS and Google Cloud KMS)

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A PHP library for signing XML documents using digital signatures

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Open-source PHP library for PDF digital signing with multiple signatures, RFC3161 timestamping, PAdES profiles, and PDF protection

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Library for HTTP request signing (PHP implementation)

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