| 提交 | 用户 | age | ||
| 5c5945 | 1 | package com.hx.util; |
| E | 2 | |
| 89ac7f | 3 | import java.util.*; |
| 5c5945 | 4 | |
| E | 5 | /*** |
| 6 | * �?单的加密程序，和解密程序 | |
| 7 | * | |
| 8 | * @author mq.c | |
| 9 | * | |
| 10 | */ | |
| 11 | public class SimpleEncrypt { | |
| 12 | ||
| 13 | /** | |
| 14 | * 获取指定长度随机的字符串 | |
| 15 | * | |
| 16 | * @param getNum | |
| 17 | * @return | |
| 18 | */ | |
| 19 | private static String generateCheckCode(Integer getNum) { | |
| 20 | // abcdefghijklmnopqrstuvwxyz | |
| 21 | // String chars = | |
| 22 | // "123456789.AB2CD3EF7G;HI5JK5LMN/OPQR8ST.UVW7X9YZ?~!@#$%^&*()_+{}:>?<|/.,';][=-"; | |
| 23 | // String chars = | |
| 24 | // "123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz~!@#$%^&*()_+{}|:<>?/.,';][\\=-"; | |
| 25 | String chars = "123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ123456789abcdefghijklmnopqrstuvwxyz._?"; | |
| 26 | String[] charsx = chars.split(""); | |
| 27 | // String[] charsx = chars.split(""); | |
| 28 | List<String> list = Arrays.asList(charsx); | |
| 29 | Collections.shuffle(list); | |
| 30 | StringBuffer buff = new StringBuffer(); | |
| 31 | Random random = new Random(); | |
| 32 | for (int i = 0; i < getNum; i++) { | |
| 33 | int rand = random.nextInt(list.size()); | |
| 34 | // buff.append(chars.charAt(rand)); | |
| 35 | buff.append(list.get(rand)); | |
| 36 | } | |
| 37 | return buff.toString(); | |
| 38 | } | |
| 39 | ||
| 40 | /** | |
| 41 | * 对字符串进行简易加密(不要在意那种很容易被人破解的小细节) | |
| 42 | * 该加密采用"前面13位随机码"+dataString+"后9位随机码"，组拼成一个字符串，进行BASE64加密得出的加密值 | |
| 43 | * | |
| 44 | * @param dataString | |
| 45 | * 要进行加密的数据源 | |
| 46 | * @return | |
| 47 | */ | |
| 48 | public static String simpleEnCode(String dataString) { | |
| 49 | // 组拼随机值 | |
| 50 | String ranString = generateCheckCode(13).toString() + dataString + generateCheckCode(9).toString(); | |
| 89ac7f | 51 | String enCode = new String(Base64.getEncoder().encode(ranString.getBytes())); |
| 5c5945 | 52 | return enCode; |
| E | 53 | } |
| 54 | ||
| 55 | /*** | |
| 56 | * 对用com.bang.units.SimpleEncrypt.simpleEnCode加密过的字符串进行解密 | |
| 57 | * | |
| 58 | * 该加密采用"前面13位随机码"+dataString+"后9位随机码"，组拼成一个字符串，进行BASE64加密得出的加密值 | |
| 59 | * | |
| 60 | * @param dataString | |
| 61 | * 要进行解密的数据源 | |
| 62 | * @return | |
| 63 | */ | |
| 64 | public static String simpleDeCode(String dataString) throws Exception { | |
| 65 | // 进行解密sun.misc.BASE64Decoder.BASE64Decoder() | |
| 89ac7f | 66 | |
| E | 67 | byte[] enCode = Base64.getDecoder().decode(dataString); |
| 5c5945 | 68 | // 解得随机值 |
| E | 69 | String ranString = new String(enCode); |
| 70 | ||
| 71 | // System.out.println("simpleDeCode:" + ranString); | |
| 72 | // 截取出有效位置参数 | |
| 73 | String daString = ranString.substring(13, ranString.length() - 9); | |
| 74 | ||
| 75 | return daString; | |
| 76 | } | |
| 77 | ||
| 78 | public static void main(String[] args) throws Exception { | |
| 79 | String chars = "123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ?~!@#$%^&*()_+{}:>?<|/.,';][=-`"; | |
| 80 | String[] charsx = chars.split(""); | |
| 81 | List<String> list = Arrays.asList(charsx); | |
| 82 | Collections.shuffle(list); | |
| 83 | // for (String string : list) { | |
| 84 | // System.out.println(string); | |
| 85 | // } | |
| 86 | ||
| 87 | String str = "15648sadf"; | |
| 88 | String eStr = simpleEnCode(str); | |
| 89 | System.out.println(eStr); | |
| 90 | String dStr = simpleDeCode(eStr); | |
| 91 | System.out.println(dStr); | |
| 92 | ||
| 93 | } | |
| 94 | ||
| 95 | } | |
