This directory provides cryptographic compatibility for WordPress using the Sodium (crypto) library. It includes secure cryptographic functions, polyfills for older PHP versions, and utilities for key management and secure message handling crucial for WordPress security features.
sodium_compat.php
Core Sodium compatibility library
polyfill-sodium.php
Legacy PHP security functions
keygen.php
Secure key generation tools
message-verify.php
Authenticated message handling
crypto-secp256k1.php
Elliptic curve implementation
README.crypto
Security implementation docs
Cryptographic functions require direct PHP 7+ compatibility extensions. Modify only with valid security tools.