RipeMD系列消息摘要组件 包含RipeMD128、RipeMD160、RipeMD256和RipeMD320共4种RipeMD系列算法 @author SeanDragon
| 14 | * @author SeanDragon |
| 15 | */ |
| 16 | public final class ToolRipeMD { |
| 17 | private ToolRipeMD() { |
| 18 | throw new UnsupportedOperationException("我是工具类,别初始化我。。。"); |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * RipeMD128消息摘要 |
| 23 | * |
| 24 | * @param data |
| 25 | * 待做消息摘要处理的数据 |
| 26 | * |
| 27 | * @return byte[] 消息摘要 |
| 28 | * |
| 29 | * @throws Exception |
| 30 | */ |
| 31 | public static byte[] encodeRipeMD128(byte[] data) throws NoSuchAlgorithmException { |
| 32 | |
| 33 | // 加入BouncyCastleProvider支持 |
| 34 | Security.addProvider(new BouncyCastleProvider()); |
| 35 | |
| 36 | // 初始化MessageDigest |
| 37 | MessageDigest md = MessageDigest.getInstance("RipeMD128"); |
| 38 | |
| 39 | // 执行消息摘要 |
| 40 | return md.digest(data); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * RipeMD128Hex消息摘要 |
| 45 | * |
| 46 | * @param data |
| 47 | * 待做消息摘要处理的数据 |
| 48 | * |
| 49 | * @return byte[] 消息摘要 |
| 50 | * |
| 51 | * @throws Exception |
| 52 | */ |
| 53 | public static String encodeRipeMD128Hex(byte[] data) throws NoSuchAlgorithmException { |
| 54 | |
| 55 | // 执行消息摘要 |
| 56 | byte[] b = encodeRipeMD128(data); |
| 57 | |
| 58 | // 做十六进制编码处理 |
| 59 | return new String(Hex.encode(b)); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * RipeMD160消息摘要 |
| 64 | * |
| 65 | * @param data |
| 66 | * 待做消息摘要处理的数据 |
| 67 | * |
| 68 | * @return byte[] 消息摘要 |
| 69 | * |
| 70 | * @throws Exception |
| 71 | */ |
| 72 | public static byte[] encodeRipeMD160(byte[] data) throws NoSuchAlgorithmException { |
| 73 |
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