First version

.gitignore

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+# IDE
+/.idea
+
+# Composer
+/vendor
+/composer.lock

.travis.yml

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+language: php
+php:
+- 7.1
+- 7.2
+- 7.3
+
+env:
+- PHP_BIN=php
+- PHP_BIN=php-cgi
+
+before_install:
+- phpenv config-rm xdebug.ini || return 0 # Turn off XDebug
+
+install:
+- travis_retry composer install # Composer
+
+script:
+- vendor/bin/tester -p $PHP_BIN tests -s # Tests
+
+sudo: false
+
+cache:
+  directories:
+  - $HOME/.composer/cache

README.md

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+# crypt
+Small library for encryption via [phpseclib](https://github.com/phpseclib/phpseclib)
+
+[![Build Status](https://travis-ci.org/SiViN/crypt.svg?branch=master)](https://travis-ci.org/SiViN/crypt)
+[![License](https://poser.pugx.org/sivin/crypt/license)](https://packagist.org/packages/sivin/crypt)
+[![Total Downloads](https://poser.pugx.org/sivin/crypt/downloads)](https://packagist.org/packages/sivin/crypt)
+
+1. Install via composer
+	```yaml
+	composer require sivin/crypt
+	```
+
+2. Register extension in `config.neon`:
+	```php
+	extensions:
+		crypt: SiViN\Crypt\DI\CryptExtension
+	```
+
+3. Create or use your key/s:
+	```php
+	/** @var Crypt */
+	private $crypt;
+
+	public function __construct(Crypt $crypt)
+	{
+		$this->crypt = $crypt;
+	}
+	...
+	$keys = $this->crypt->createKeyPair()
+	$privateKeyRaw = $keys['privateKeyRaw'];
+	$publicKeyRaw = $keys['publicKeyRaw'];
+	```
+
+4. Use your own key or define it in a `config.local.neon`:
+	```php
+	$crypt->setPublicKey($myPublicKeyForEncrypt);
+	$crypt->setPrivateKey($myPrivateKeyForDecrypt);
+	//if there is a private key with a password
+	$crypt->setPrivateKeyPassword($myPivateKeyPasswordForDecrypt);
+	```
+
+	or in a `config.local.neon`:
+
+	```php
+	crypt:
+		publicKeyPath: publicKeyFile.pub #for encrypting
+		privateKeyPath: privateKeyFile.key #for decrypting
+		privateKeyPassword: 'PrivateKeyPassword' #optional
+	```
+	>If you only want to encrypt/decrypt, just define the encrypting/decrypting key
+
+5. And finally?:	
+	```php
+	$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);
+	```
+
+

composer.json

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+{
+  "name": "sivin/crypt",
+  "type": "library",
+  "description": "Small library for encryption via phpseclib",
+  "keywords": [
+	"security",
+	"crypt",
+	"nette",
+	"rsa",
+	"aes",
+	"blowfish",
+	"twofish",
+	"ssh",
+	"sftp",
+	"x509",
+	"x.509",
+	"asn1",
+	"asn.1",
+	"BigInteger"
+  ],
+  "require": {
+	"php": ">= 7.1",
+	"ext-openssl": "*",
+	"phpseclib/phpseclib": "^2.0",
+	"nette/di": "^2.4",
+	"tracy/tracy": "^2.6"
+  },
+  "require-dev": {
+	"ninjify/nunjuck": "^0.3.0@dev"
+  },
+  "license": "MIT",
+  "authors": [
+	{
+	  "name": "Milan Sivak",
+	  "email": "sivin@atlas.cz"
+	}
+  ],
+  "autoload": {
+	"psr-4": {
+	  "SiViN\\Crypt\\": "src/"
+	}
+  },
+  "autoload-dev": {
+	"psr-4": {
+	  "SiViN\\Crypt\\Tests\\": "tests"
+	}
+  },
+  "minimum-stability": "dev",
+  "prefer-stable": true
+}