PHP_emoon.com/vendor/evit/php-gm-crypto/composer.json

{
    "name": "evit/php-gm-crypto",
    "description": "Fully compatible with the sm4-cbc and sm4-ecb state secret SM algorithms of openssl. When openssl >= 1.1.1 supports the state secret algorithm, directly call openssl for SM4 encryption and decryption, otherwise call the custom algorithm.",
    "license": "MIT",
    "autoload": {
        "psr-4": {
            "Evit\\PhpGmCrypto\\": "src/"
        }
    },
    "authors": [
        {
            "name": "Endy",
            "email": "endy@evit.net.cn"
        }
    ],
    "require": {}
}