From daa697719eb0ddfd170f1ab94c5422a4f5b93951 Mon Sep 17 00:00:00 2001 From: zhaoxiaohao <279049017@qq.com> Date: Fri, 18 Sep 2020 14:36:54 +0800 Subject: [PATCH] Merge branch 'dev' --- kidgrow-commons/kidgrow-common-spring-boot-starter/src/main/java/com/kidgrow/common/utils/AesUtils.java | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 102 insertions(+), 0 deletions(-) diff --git a/kidgrow-commons/kidgrow-common-spring-boot-starter/src/main/java/com/kidgrow/common/utils/AesUtils.java b/kidgrow-commons/kidgrow-common-spring-boot-starter/src/main/java/com/kidgrow/common/utils/AesUtils.java new file mode 100644 index 0000000..9f13ad6 --- /dev/null +++ b/kidgrow-commons/kidgrow-common-spring-boot-starter/src/main/java/com/kidgrow/common/utils/AesUtils.java @@ -0,0 +1,102 @@ +package com.kidgrow.common.utils; + +import org.apache.commons.codec.binary.Base64; + +import javax.crypto.Cipher; +import javax.crypto.spec.IvParameterSpec; +import javax.crypto.spec.SecretKeySpec; + +/** + * @Author: dougang + * @Description: + * @Date: create in 2020/6/19 10:44 + */ +public class AesUtils { + /** + * 十六位密钥 + */ + private static final String KEY = "66XiGaoKeJi@COM6"; + /** + * 十六位密钥偏移量 + */ + private static final String IV = "123#XIGAO.com456"; + + /** + * 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"); + 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 new Base64().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 { + try { + byte[] encrypted1 = new Base64().decode(data); + Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding"); + SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES"); + IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes()); + cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec); + byte[] original = cipher.doFinal(encrypted1); + String originalString = new String(original).trim(); + return originalString; + } catch (Exception e) { + e.printStackTrace(); + return null; + } + } + + /** + * 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); + } +} -- Gitblit v1.8.0