| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.util; |
| C | 2 | |
| 3 | import javax.crypto.Cipher; | |
| 4 | import javax.crypto.SecretKey; | |
| 5 | import javax.crypto.spec.SecretKeySpec; | |
| 6 | ||
| 7 | import org.apache.commons.codec.binary.Base64; | |
| 8 | ||
| 9 | /** | |
| 10 | * AES加解密工具 | |
| 11 | * 使用该类，需要行替换local_policy.jar及us_export_policy.jar | |
| 12 | * @author ChenJiaHe | |
| 13 | * | |
| 14 | */ | |
| 15 | public class AesUtil { | |
| 16 | ||
| 17 | /**16位加密秘钥*/ | |
| 18 | public static final String SECRET = "huoXiong16816888"; | |
| 19 | ||
| 20 | /** | |
| 21 | * AES加密 | |
| 22 | * | |
| 23 | * @param str | |
| 24 | * 需要加密的明文 | |
| 25 | * @param secret | |
| 26 | * 秘钥 | |
| 27 | * @return 加密后的密文(base64编码字符串) | |
| 28 | */ | |
| 29 | public static String aesEncryp(String str, String secret) { | |
| 30 | if (null != str) { | |
| 31 | byte[] bytes = null; | |
| 32 | ||
| 33 | try { | |
| 34 | Base64 base64 = new Base64(); | |
| 35 | String ALGORITHM = "AES"; | |
| 36 | SecretKey deskey = new SecretKeySpec(secret.getBytes("UTF-8"), ALGORITHM);// 生成密钥 | |
| 37 | Cipher c; | |
| 38 | c = Cipher.getInstance(ALGORITHM); | |
| 39 | c.init(Cipher.ENCRYPT_MODE, deskey); | |
| 40 | bytes = c.doFinal(str.getBytes("UTF-8")); | |
| 41 | if (bytes != null) { | |
| 42 | return new String(base64.encode(bytes)); | |
| 43 | } | |
| 44 | } catch (Exception e) { | |
| 45 | e.printStackTrace(); | |
| 46 | } | |
| 47 | ||
| 48 | } | |
| 49 | return null; | |
| 50 | } | |
| 51 | ||
| 52 | /** | |
| 53 | * AES解密 | |
| 54 | * | |
| 55 | * @param str | |
| 56 | * 需要解密的秘文 | |
| 57 | * @param secret | |
| 58 | * 秘钥 | |
| 59 | * @return 解密后的明文 | |
| 60 | */ | |
| 61 | public static String aesDecryp(String str, String secret) { | |
| 62 | try { | |
| 63 | Base64 base64 = new Base64(); | |
| 64 | String ALGORITHM = "AES"; | |
| 65 | SecretKey deskey = new SecretKeySpec(secret.getBytes("UTF-8"), ALGORITHM);// 生成密钥 | |
| 66 | Cipher c = Cipher.getInstance(ALGORITHM); | |
| 67 | c.init(Cipher.DECRYPT_MODE, deskey); | |
| 68 | return new String(c.doFinal(base64.decode(str.getBytes("UTF-8"))), "UTF-8"); | |
| 69 | } catch (Exception e) { | |
| 70 | e.printStackTrace(); | |
| 71 | } | |
| 72 | return null; | |
| 73 | } | |
| 74 | ||
| 75 | /** | |
| 76 | * AES加密（固定秘钥） | |
| 77 | * | |
| 78 | * @param str 需要加密的明文 | |
| 79 | * @return 加密后的密文(base64编码字符串) | |
| 80 | */ | |
| 81 | public static String aesEncryp(String str) { | |
| 82 | String secret = SECRET; | |
| 83 | if (null != str) { | |
| 84 | byte[] bytes = null; | |
| 85 | ||
| 86 | try { | |
| 87 | Base64 base64 = new Base64(); | |
| 88 | String ALGORITHM = "AES"; | |
| 89 | SecretKey deskey = new SecretKeySpec(secret.getBytes("UTF-8"), ALGORITHM);// 生成密钥 | |
| 90 | Cipher c; | |
| 91 | c = Cipher.getInstance(ALGORITHM); | |
| 92 | c.init(Cipher.ENCRYPT_MODE, deskey); | |
| 93 | bytes = c.doFinal(str.getBytes("UTF-8")); | |
| 94 | if (bytes != null) { | |
| 95 | return new String(base64.encode(bytes)); | |
| 96 | } | |
| 97 | } catch (Exception e) { | |
| 98 | e.printStackTrace(); | |
| 99 | } | |
| 100 | } | |
| 101 | return null; | |
| 102 | } | |
| 103 | ||
| 104 | /** | |
| 105 | * AES解密（固定秘钥） | |
| 106 | * | |
| 107 | * @param str 需要解密的秘文 | |
| 108 | * @return 解密后的明文 | |
| 109 | */ | |
| 110 | public static String aesDecryp(String str) { | |
| 111 | String secret = SECRET; | |
| 112 | try { | |
| 113 | Base64 base64 = new Base64(); | |
| 114 | String ALGORITHM = "AES"; | |
| 115 | SecretKey deskey = new SecretKeySpec(secret.getBytes("UTF-8"), ALGORITHM);// 生成密钥 | |
| 116 | Cipher c = Cipher.getInstance(ALGORITHM); | |
| 117 | c.init(Cipher.DECRYPT_MODE, deskey); | |
| 118 | return new String(c.doFinal(base64.decode(str.getBytes("UTF-8"))), "UTF-8"); | |
| 119 | } catch (Exception e) { | |
| 120 | e.printStackTrace(); | |
| 121 | } | |
| 122 | return null; | |
| 123 | } | |
| 124 | ||
| 125 | } | |
