|
@@ -0,0 +1,109 @@
|
|
|
+package com.bosshand.virgo.core.utils;
|
|
|
+
|
|
|
+
|
|
|
+import javax.crypto.Cipher;
|
|
|
+import javax.crypto.spec.IvParameterSpec;
|
|
|
+import javax.crypto.spec.SecretKeySpec;
|
|
|
+import java.nio.charset.StandardCharsets;
|
|
|
+import java.util.Base64;
|
|
|
+
|
|
|
+/**
|
|
|
+ * 加密工具类
|
|
|
+ * @author enilu
|
|
|
+ */
|
|
|
+public class CryptUtil {
|
|
|
+ //使用AES-128-CBC加密模式,key需要为16位,
|
|
|
+ public static final String KEY = "v80v8g2ta05rrg2k";
|
|
|
+ private static String IV = "6gycoeef15nql8ab";
|
|
|
+
|
|
|
+ public static String encodeBASE64(byte[] bytes) {
|
|
|
+ String encode = Base64.getEncoder().encodeToString(bytes);
|
|
|
+ encode = encode.replaceAll("\n", "");
|
|
|
+ return encode;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 加密方法
|
|
|
+ *
|
|
|
+ * @param data 要加密的数据
|
|
|
+ * @param key 加密key
|
|
|
+ * @param iv 加密iv
|
|
|
+ * @return 加密的结果
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ public static String encrypt(String data, String key, String iv) throws Exception {
|
|
|
+ try {
|
|
|
+
|
|
|
+ Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");//"算法/模式/补码方式"NoPadding PkcsPadding
|
|
|
+ int blockSize = cipher.getBlockSize();
|
|
|
+
|
|
|
+ byte[] dataBytes = data.getBytes();
|
|
|
+ int plaintextLength = dataBytes.length;
|
|
|
+ if (plaintextLength % blockSize != 0) {
|
|
|
+ plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
|
|
|
+ }
|
|
|
+
|
|
|
+ byte[] plaintext = new byte[plaintextLength];
|
|
|
+ System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
|
|
|
+
|
|
|
+ SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
|
|
|
+ IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
|
|
|
+
|
|
|
+ cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
|
|
|
+ byte[] encrypted = cipher.doFinal(plaintext);
|
|
|
+
|
|
|
+ return Base64.getEncoder().encodeToString(encrypted);
|
|
|
+
|
|
|
+ } catch (Exception e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 解密方法
|
|
|
+ *
|
|
|
+ * @param data 要解密的数据
|
|
|
+ * @param key 解密key
|
|
|
+ * @param iv 解密iv
|
|
|
+ * @return 解密的结果
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ public static String desEncrypt(String data, String key, String iv) throws Exception {
|
|
|
+
|
|
|
+ byte[] encrypted1 = Base64.getDecoder().decode(data);
|
|
|
+
|
|
|
+ Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
|
|
|
+ SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES");
|
|
|
+ IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes(StandardCharsets.UTF_8));
|
|
|
+ cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);
|
|
|
+ byte[] original = cipher.doFinal(encrypted1);
|
|
|
+ String originalString = new String(original, StandardCharsets.UTF_8);
|
|
|
+ return originalString.trim();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 使用默认的key和iv加密
|
|
|
+ *
|
|
|
+ * @param data
|
|
|
+ * @return
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ public static String encrypt(String data) throws Exception {
|
|
|
+ return encrypt(data, KEY, IV);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 使用默认的key和iv解密
|
|
|
+ *
|
|
|
+ * @param data
|
|
|
+ * @return
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ public static String desEncrypt(String data) throws Exception {
|
|
|
+ return desEncrypt(data, KEY, IV);
|
|
|
+ }
|
|
|
+
|
|
|
+}
|