Libraries tagged by public key

Pure PHP implementation of libsodium; uses the PHP extension if it exists

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High-level cryptography interface powered by libsodium

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A PHP framework for managing Public Key Infrastructures. It comprises X.509 public key certificates, attribute certificates, certification requests and certification path validation.

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Up-to-date, verifiable repository for Certificate Authorities

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Encrypting and signing data using private/public keys

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A PHP implementation of textual encodings of cryptographic structures.

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A PHP library for X.509 public key certificates, attribute certificates, certification requests and certification path validation.

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PKI public/private RSA key encryption using the OpenSSL extension

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A PHP library of various ASN.1 types for cryptographic applications.

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Simple and secure asymmetric encryption powered by PHPSecLib

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Phactor is a high-performance PHP implementation of the elliptic curve math functions required to generate & verify private/public (asymmetric) EC keypairs and ECDSA signatures based on secp256k1 curve parameters. This library also includes a class to generate Service Identification Numbers (SINs) based on the published Identity Protocol v1 spec.

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Laravel licensing package with polymorphic assignment to any model, activation keys, expirations/renewals, and seat control via LicenseUsage. Supports offline verification with public-key–signed tokens, a CLI to generate/rotate/revoke keys, and an extensible architecture via config and contracts.

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Generate a fingerprint from an RSA SSH public key.

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Read, edit and write the SSH authorized_keys file

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Hybrid Public-Key Encryption (RFC 9180) for PHP

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