^^&&^^

Edit File: composer.json

{
  "name": "paragonie/sodium_compat",
  "description": "Pure PHP implementation of libsodium; uses the PHP extension if it exists",
  "keywords": [
    "PHP",
    "cryptography",
    "elliptic curve",
    "elliptic curve cryptography",
    "Pure-PHP cryptography",
    "side-channel resistant",
    "Curve25519",
    "X25519",
    "ECDH",
    "Elliptic Curve Diffie-Hellman",
    "Ed25519",
    "RFC 7748",
    "RFC 8032",
    "EdDSA",
    "Edwards-curve Digital Signature Algorithm",
    "ChaCha20",
    "Salsa20",
    "Xchacha20",
    "Xsalsa20",
    "Poly1305",
    "BLAKE2b",
    "public-key cryptography",
    "secret-key cryptography",
    "AEAD",
    "Chapoly",
    "Salpoly",
    "ChaCha20-Poly1305",
    "XSalsa20-Poly1305",
    "XChaCha20-Poly1305",
    "encryption",
    "authentication",
    "libsodium"
  ],
  "license": "ISC",
  "authors": [
    {
      "name": "Paragon Initiative Enterprises",
      "email": "security@paragonie.com"
    },
    {
      "name": "Frank Denis",
      "email": "jedisct1@pureftpd.org"
    }
  ],
  "autoload": {
    "files": ["autoload.php"]
  },
  "require": {
    "php": "^5.2.4|^5.3|^5.4|^5.5|^5.6|^7|^8",
    "paragonie/random_compat": ">=1"
  },
  "require-dev": {
    "phpunit/phpunit": "^3|^4|^5|^6|^7|^8|^9"
  },
  "scripts": {
    "test": "phpunit"
  },
  "suggest": {
    "ext-libsodium": "PHP < 7.0: Better performance, password hashing (Argon2i), secure memory management (memzero), and better security.",
    "ext-sodium": "PHP >= 7.0: Better performance, password hashing (Argon2i), secure memory management (memzero), and better security."
  }
}