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Example code of paragonie/pqcrypto_compat

Informations about the package pqcrypto_compat

pqcrypto_compat

Build Status Latest Stable Version License Downloads

pqcrypto_compat defers to the pqcrypto extension if it's available, and provides a polyfill for environments where it is not available, ensuring the PHP ecosystem can effectively migrate to use post-quantum secure cryptographic algorithms.

[!WARNING]

This code has never been independently audited. Use at your own risk.

Installing

Optional, but recommended: Install the pqcrypto extension.

Usage

The recommended way to use this polyfill library is the Compat class.

[!TIP] If you aren't already using opcache and JIT, we highly recommend enabling those PHP features when using pqcrypto_compat without ext-pqcrypto. It makes a huge difference.

X-Wing Example

X-Wing is a hybrid KEM combining X25519 and ML-KEM-768. The X25519 implementation is provided by sodium_compat.

ML-KEM-768 Example

ML-KEM-1024 Example

ML-DSA-44 Example

ML-DSA-65 Example

ML-DSA-87 Example

Other Algorithms

We also include ML-KEM-512 for completeness, but do not recommend its usage.

All versions of pqcrypto_compat with dependencies

PHP Build Version
Package Version
Requires php Version ^8.1
php-64bit Version *
paragonie/sodium_compat Version ^2
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