From 87faed258b07828b307b9a0d901faf9ee139aa1c Mon Sep 17 00:00:00 2001
From: kongmulianhua <1014015565@qq.com>
Date: Wed, 21 Oct 2020 14:04:44 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90AES=E5=8A=A0=E8=A7=A3?=
 =?UTF-8?q?=E5=AF=86=E7=B1=BB?=
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---
 src/AES.php         |  4 +-
 src/classes/AES.php | 94 ++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 95 insertions(+), 3 deletions(-)

diff --git a/src/AES.php b/src/AES.php
index 998b1a5..08d2dce 100644
--- a/src/AES.php
+++ b/src/AES.php
@@ -4,9 +4,9 @@ namespace encrypt;
 
 interface AES
 {
-    public function password(string $password): AES;
+	public function password(string $password): AES;
 
     public function encrypt(string $data): string;
 
-    public function decrypt(string $data): string;
+    public function decrypt(string $data, string $iv): string;
 }
diff --git a/src/classes/AES.php b/src/classes/AES.php
index 4a995d3..cabbe95 100644
--- a/src/classes/AES.php
+++ b/src/classes/AES.php
@@ -2,7 +2,99 @@
 
 namespace encrypt\classes;
 
+/**
+ * AES加密解密类
+ * Class AES
+ * @package encrypt\classes
+ */
 class AES implements \encrypt\AES
 {
-    
+	/**
+	 * 加密方式
+	 * @var string
+	 */
+	private $method = 'AES-128-CBC';
+
+	/**
+	 * options选项
+	 * @var int
+	 */
+	private $options = 0;
+
+	/**
+	 * 加密key
+	 * @var string
+	 */
+	private $password = '';
+
+	/**
+	 * 向量
+	 * @var string
+	 */
+	private $iv = '';
+
+	/**
+	 * 设置key
+	 * @param string $password
+	 * @return \encrypt\AES
+	 */
+	public function password(string $password): \encrypt\AES {
+		$this->password = $password;
+		return $this;
+	}
+
+	/**
+	 * 设置加密方式
+	 * @param string $method
+	 * @return $this
+	 */
+	public function method(string $method) {
+		$this->method = $method;
+		return $this;
+	}
+
+	/**
+	 * 设置options选项
+	 * @param string $options
+	 * @return $this
+	 */
+	public function options(string $options) {
+		$this->options = $options;
+		return $this;
+	}
+
+	/**
+	 * 加密数据
+	 * @param string $data
+	 * @return string
+	 */
+	public function encrypt(string $data): string {
+		if (!$this->password) {
+			return '';
+		}
+		$ivlength = openssl_cipher_iv_length($this->method);
+		$this->iv = openssl_random_pseudo_bytes($ivlength);
+		$encdata  = openssl_encrypt($data, $this->method, $this->password, $this->options, $this->iv);
+		return $encdata;
+	}
+
+	/**
+	 * 解密数据
+	 * @param string $data
+	 * @param string $iv
+	 * @return string
+	 */
+	public function decrypt(string $data,string $iv): string {
+		$decdata = openssl_decrypt($data, $this->method, $this->password, $this->options, $iv);
+		return $decdata;
+	}
+
+	/**
+	 * 解密向量
+	 * @return mixed
+	 */
+	public function iv() {
+		return $this->iv;
+	}
+
 }