AES加密类

base-common/src/main/java/com/ozs/common/utils/stateSecrets/SymmetryTest.java

@@ -0,0 +1,81 @@
+package com.ozs.common.utils.stateSecrets;
+
+
+
+import org.apache.commons.codec.binary.Base64;
+
+import javax.crypto.Cipher;
+import javax.crypto.KeyGenerator;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+
+public class SymmetryTest {
+    private static final String ALGORITHMS = "AES/ECB/PKCS5Padding";
+
+    public static void main(String[] args) {
+        String password="yn5aq5Mt.106.tky";
+        String decrypt = encrypt(password, "1234567890abcdef");
+        System.out.println(decrypt);
+        String decrypt1 = decrypt(decrypt, "1234567890abcdef");
+        System.out.println(decrypt1);
+    }
+
+    /**
+     * 加密
+     *
+     * @param content 内容
+     * @param key     key
+     * @return java.lang.String
+     */
+    public static String encrypt(String content, String key) {
+        try {
+            //获得密码的字节数组
+            byte[] raw = key.getBytes();
+            //根据密码生成AES密钥
+            SecretKeySpec skey = new SecretKeySpec(raw, "AES");
+            //根据指定算法ALGORITHM自成密码器
+            Cipher cipher = Cipher.getInstance(ALGORITHMS);
+            //初始化密码器，第一个参数为加密(ENCRYPT_MODE)或者解密(DECRYPT_MODE)操作，第二个参数为生成的AES密钥
+            cipher.init(Cipher.ENCRYPT_MODE, skey);
+            //获取加密内容的字节数组(设置为utf-8)不然内容中如果有中文和英文混合中文就会解密为乱码
+            byte[] byteContent = content.getBytes(StandardCharsets.UTF_8);
+            //密码器加密数据
+            byte[] encodeContent = cipher.doFinal(byteContent);
+            //将加密后的数据转换为字符串返回
+            return Base64.encodeBase64String(encodeContent);
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    /**
+     * 解密
+     *
+     * @param encryptStr 加密后的内容
+     * @param decryptKey 解密key
+     * @return java.lang.String
+     */
+    public static String decrypt(String encryptStr, String decryptKey) {
+        try {
+            //获得密码的字节数组
+            byte[] raw = decryptKey.getBytes();
+            //根据密码生成AES密钥
+            SecretKeySpec skey = new SecretKeySpec(raw, "AES");
+            //根据指定算法ALGORITHM自成密码器
+            Cipher cipher = Cipher.getInstance(ALGORITHMS);
+            //初始化密码器，第一个参数为加密(ENCRYPT_MODE)或者解密(DECRYPT_MODE)操作，第二个参数为生成的AES密钥
+            cipher.init(Cipher.DECRYPT_MODE, skey);
+            //把密文字符串转回密文字节数组
+            byte[] encodeContent = Base64.decodeBase64(encryptStr);
+            //密码器解密数据
+            byte[] byteContent = cipher.doFinal(encodeContent);
+            //将解密后的数据转换为字符串返回
+            return new String(byteContent, StandardCharsets.UTF_8);
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+}