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使用 phpseclib 加密的轻量级库 phpseclib

通过 composer 安装
```
composer require sivin/crypt
```

在 config.neon 中注册扩展

extensions:
	crypt: SiViN\Crypt\DI\CryptExtension

创建或使用您的密钥

/** @var Crypt */
private $crypt;

public function __construct(Crypt $crypt)
{
	$this->crypt = $crypt;
}
...
$keys = $this->crypt->createKeyPair()
$privateKeyRaw = $keys['privateKeyRaw'];
$publicKeyRaw = $keys['publicKeyRaw'];

使用您自己的密钥或在 config.local.neon 中定义它

$crypt->setPublicKey($myPublicKeyForEncrypt);
$crypt->setPrivateKey($myPrivateKeyForDecrypt);
//if there is a private key with a password
$crypt->setPrivateKeyPassword($myPivateKeyPasswordForDecrypt);

或在 config.local.neon 中

crypt:
	publicKeyPath: publicKeyFile.pub #for encrypting
	privateKeyPath: privateKeyFile.key #for decrypting
	privateKeyPassword: 'PrivateKeyPassword' #optional

如果您只想进行加密/解密，只需定义加密/解密密钥即可

那么，最后呢？

$encryptedStr = $crypt->encryptRijndaelMessage($stringToEncode); //for transport
$decryptedStr = $crypt->decryptRijndaelMessage($encryptedStr);

$encryptedStr = $crypt->encryptRsa($stringToEncode);
$decryptedStr = $crypt->decryptRsa($encryptedStr);

$encryptedStr = $crypt->encryptRijndael($stringToEncode);
$decryptedStr = $crypt->decryptRijndael($encryptedStr);

sivin / crypt

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