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67 lines
2.1 KiB
67 lines
2.1 KiB
3 years ago
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package com.ynxbd.common.helper.xbd;
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import javax.crypto.Cipher;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.util.Base64;
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/**
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* @author 李进才
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* @ClassName EncHelper
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* @Description 在线病历打印请求的加密方法
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* @date 2023/4/20 09:40
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*/
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public class EncHelper {
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/**
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* 密钥
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*/
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private static final byte[] key = new byte[]{114, 120, 49, 55, 56, 103, 100, 109, 107, 50};
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/**
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* 向量长度
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*/
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private static final byte[] ivB = new byte[]{88, 66, 68, 66, 108, 117, 101, 70, 108, 97, 103, 64, 54, 57, 33, 41};
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/**
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* AES加密
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* @param encryptString 要被加密的字符串
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* @return
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* @throws Exception
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*/
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public static String AES_Encrypt(String encryptString) throws Exception {
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String keyValue = String.format("%-32s", GetStr(key));
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byte[] iv = (GetStr(ivB).substring(0, 16)).getBytes(StandardCharsets.UTF_8);
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SecretKeySpec secretKeySpec = new SecretKeySpec(keyValue.getBytes(), "AES");
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Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); //"算法/模式/补码方式"
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IvParameterSpec ivParameterSpec = new IvParameterSpec(iv);
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cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec, ivParameterSpec);
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byte[] inputData = encryptString.getBytes(StandardCharsets.UTF_8);
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byte[] encrypted = cipher.doFinal(inputData);
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return Base64.getEncoder().encodeToString(encrypted);
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}
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/**
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* 64位MD5加密
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* @param context
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* @return
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* @throws Exception
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*/
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public static String MD5Encrypt64(String context) throws Exception {
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MessageDigest md5 = MessageDigest.getInstance("MD5");
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byte[] digest = md5.digest(context.getBytes("utf-8"));
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return Base64.getEncoder().encodeToString(digest);
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}
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private static String GetStr(byte[] byteList) {
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String valueStr = "";
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for (byte b : byteList) {
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valueStr += (char) b;
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}
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return valueStr;
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}
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}
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