1200字范文,内容丰富有趣,写作的好帮手!
1200字范文 > java MD5完整加解密工具类

java MD5完整加解密工具类

时间:2023-09-26 05:53:21

相关推荐

java MD5完整加解密工具类

#第一部分package com.yiban.rec.bill.parse.util;import java.io.ByteArrayOutputStream;public class Base64 {private static char[] base64EncodeChars = new char[] {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L','M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X','Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j','k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v','w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7','8', '9', '+', '/' };private static byte[] base64DecodeChars = new byte[] {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1,-1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,-1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1,-1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,-1, -1, -1, -1, -1 };private Base64() {}public static synchronized String encode(byte[] data) {int len = data.length;int i = 0;int b1, b2, b3;StringBuilder sb = new StringBuilder(len);while (i < len) {b1 = data[i++] & 0xff;if (i == len) {sb.append(base64EncodeChars[b1 >>> 2]);sb.append(base64EncodeChars[(b1 & 0x3) << 4]);sb.append("==");break;}b2 = data[i++] & 0xff;if (i == len) {sb.append(base64EncodeChars[b1 >>> 2]);sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]);sb.append(base64EncodeChars[(b2 & 0x0f) << 2]);sb.append("=");break;}b3 = data[i++] & 0xff;sb.append(base64EncodeChars[b1 >>> 2]);sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]);sb.append(base64EncodeChars[((b2 & 0x0f) << 2) | ((b3 & 0xc0) >>> 6)]);sb.append(base64EncodeChars[b3 & 0x3f]);}return sb.toString();}public static synchronized byte[] decode(String str) {byte[] data = str.getBytes();int len = data.length;ByteArrayOutputStream buf = new ByteArrayOutputStream(len);int i = 0;int b1, b2, b3, b4;while (i < len) {/* b1 */do {b1 = base64DecodeChars[data[i++]];} while (i < len && b1 == -1);if (b1 == -1) {break;}/* b2 */do {b2 = base64DecodeChars[data[i++]];} while (i < len && b2 == -1);if (b2 == -1) {break;}buf.write((int) ((b1 << 2) | ((b2 & 0x30) >>> 4)));/* b3 */do {b3 = data[i++];if (b3 == 61) {return buf.toByteArray();}b3 = base64DecodeChars[b3];} while (i < len && b3 == -1);if (b3 == -1) {break;}buf.write((int) (((b2 & 0x0f) << 4) | ((b3 & 0x3c) >>> 2)));/* b4 */do {b4 = data[i++];if (b4 == 61) {return buf.toByteArray();}b4 = base64DecodeChars[b4];} while (i < len && b4 == -1);if (b4 == -1) {break;}buf.write((int) (((b3 & 0x03) << 6) | b4));}return buf.toByteArray();}}#第二部分package com.yiban.rec.bill.parse.util;/*** @author su.jf*/public class CodingUtil {public static byte[] base64Decode(String str) {return Base64.decode(str);}public static String base64Encode(byte[] data) {return Base64.encode(data);}private static final int BIT_SIZE = 0x10;private static final int BIZ_ZERO = 0X00;private static char[][] charArrays = new char[256][];static {int v;char[] ds;String temp;for (int i = 0; i < charArrays.length; i++) {ds = new char[2];v = i & 0xFF;temp = Integer.toHexString(v);if (v < BIT_SIZE) {ds[0] = '0';ds[1] = temp.charAt(0);} else {ds[0] = temp.charAt(0);ds[1] = temp.charAt(1);}charArrays[i] = ds;}}public static String bytesToHexString(byte[] src) {return bytesToHexString(src, 0, src.length);}public static String bytesToHexString(byte[] src,int posction,int length) {HexAppender helper = new HexAppender(src.length * 2);if (src == null || src.length <= BIZ_ZERO) {return null;}int v;int lengthR = src.length > length ?length:src.length;char[] temp;for (int i = posction; i < lengthR; i++) {v = src[i] & 0xFF;temp = charArrays[v];helper.append(temp[0], temp[1]);}return helper.toString();}public static String bytesToHexStringSub(byte[] src, int length) {return bytesToHexString(src, 0, length);}public static String bytesToHexString(byte[] src, int startWith) {return bytesToHexString(src, startWith, src.length);}/*** Convert hex string to byte[]* * @param hexString the hex string* @return byte[]*/public static byte[] hexStringToBytes(String hexString) {if ( hexString ==null) {return null;}int length = hexString.length() / 2;byte[] d = new byte[length];int pos;for (int i = 0; i < length; i++) {pos = i * 2;d[i] = (byte) (charToByte(hexString.charAt(pos)) << 4 | charToByte(hexString.charAt(pos + 1)));}return d;}/*** Convert char to byte* * @param c char* @return byte*/private static byte charToByte(char c) {return (byte) (c < 58 ? c - 48 : c < 71 ? c - 55 : c - 87);}private static final char[] DIS_256 = {'Ḁ','ḁ','Ḃ','ḃ','Ḅ','ḅ','Ḇ','ḇ','Ḉ','ḉ','Ḋ','ḋ','Ḍ','ḍ','Ḏ','ḏ','Ḑ','ḑ','Ḓ','ḓ','Ḕ','ḕ','Ḗ','ḗ','Ḙ','ḙ','Ḛ','ḛ','Ḝ','ḝ','Ḟ','ḟ','Ḡ','ḡ','Ḣ','ḣ','Ḥ','ḥ','Ḧ','ḧ','Ḩ','ḩ','Ḫ','ḫ','Ḭ','ḭ','Ḯ','ḯ','Ḱ','ḱ','Ḳ','ḳ','Ḵ','ḵ','Ḷ','ḷ','Ḹ','ḹ','Ḻ','ḻ','Ḽ','ḽ','Ḿ','ḿ','Ṁ','ṁ','Ṃ','ṃ','Ṅ','ṅ','Ṇ','ṇ','Ṉ','ṉ','Ṋ','ṋ','Ṍ','ṍ','Ṏ','ṏ','Ṑ','ṑ','Ṓ','ṓ','Ṕ','ṕ','Ṗ','ṗ','Ṙ','ṙ','Ṛ','ṛ','Ṝ','ṝ','Ṟ','ṟ','Ṡ','ṡ','Ṣ','ṣ','Ṥ','ṥ','Ṧ','ṧ','Ṩ','ṩ','Ṫ','ṫ','Ṭ','ṭ','Ṯ','ṯ','Ṱ','ṱ','Ṳ','ṳ','Ṵ','ṵ','Ṷ','ṷ','Ṹ','ṹ','Ṻ','ṻ','Ṽ','ṽ','Ṿ','ṿ','Ẁ','ẁ','Ẃ','ẃ','Ẅ','ẅ','Ẇ','ẇ','Ẉ','ẉ','Ẋ','ẋ','Ẍ','ẍ','Ẏ','ẏ','Ẑ','ẑ','Ẓ','ẓ','Ẕ','ẕ','ẖ','ẗ','ẘ','ẙ','ẚ','ẛ','ẜ','ẝ','ẞ','ẟ','Ạ','ạ','Ả','ả','Ấ','ấ','Ầ','ầ','Ẩ','ẩ','Ẫ','ẫ','Ậ','ậ','Ắ','ắ','Ằ','ằ','Ẳ','ẳ','Ẵ','ẵ','Ặ','ặ','Ẹ','ẹ','Ẻ','ẻ','Ẽ','ẽ','Ế','ế','Ề','ề','Ể','ể','Ễ','ễ','Ệ','ệ','Ỉ','ỉ','Ị','ị','Ọ','ọ','Ỏ','ỏ','Ố','ố','Ồ','ồ','Ổ','ổ','Ỗ','ỗ','Ộ','ộ','Ớ','ớ','Ờ','ờ','Ở','ở','Ỡ','ỡ','Ợ','ợ','Ụ','ụ','Ủ','ủ','Ứ','ứ','Ừ','ừ','Ử','ử','Ữ','ữ','Ự','ự','Ỳ','ỳ','Ỵ','ỵ','Ỷ','ỷ','Ỹ','ỹ','Ỻ','ỻ','Ỽ','ỽ','Ỿ','ỿ'};private static final int DIS_START = 'Ḁ';public static String bytesToByteString(byte[]datas){char[]dataC = new char[datas.length];for (int i = 0; i < datas.length; i++) {dataC[i] = DIS_256[datas[i]+127];}return new String(dataC);}public static byte[] byteStringToByte(String byteString){char[]datas = byteString.toCharArray();byte[]result = new byte[datas.length];for (int i = 0; i < datas.length; i++) {result[i] = (byte) (datas[i]-DIS_START-127);} return result;}public static long byte2long(byte[]value){long temp = 0; long res = 0; for (int i=0;i<8;i++) {res <<= 8; temp = value[i] & 0xff; res |= temp; } return res;}private static class HexAppender {private int offerSet = 0;private char[] charData;public HexAppender(int size) {charData = new char[size];}public void append(char a, char b) {charData[offerSet++] = a;charData[offerSet++] = b;}@Overridepublic String toString() {return new String(charData, 0, offerSet);}}}#第三部分package com.yiban.rec.bill.parse.util;import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import java.util.Arrays;import com.alibaba.fastjson.util.IOUtils;public class MD5Util {private static MessageDigest MD5;static {try {MD5 = MessageDigest.getInstance("MD5");} catch (NoSuchAlgorithmException e) {e.printStackTrace();}}public static String getMd5(File file){byte[]buffer = new byte[4096];InputStream inputStream = null;int postion = -1;try {MessageDigest md5 = null;try {md5 = MessageDigest.getInstance("MD5");} catch (NoSuchAlgorithmException e) {e.printStackTrace();return null;}inputStream = new FileInputStream(file);while((postion = inputStream.read(buffer))> 0){md5.update(buffer, 0, postion);}return CodingUtil.bytesToHexString(md5.digest());} catch (Throwable e) {e.printStackTrace();} finally{IOUtils.close(inputStream);}return "";}public static String getMd5(InputStream input){byte[]buffer = new byte[4096];int postion = -1;try {MessageDigest md5 = null;try {md5 = MessageDigest.getInstance("MD5");} catch (NoSuchAlgorithmException e) {e.printStackTrace();return null;}while((postion = input.read(buffer))> 0){md5.update(buffer, 0, postion);}return CodingUtil.bytesToHexString(md5.digest());} catch (Throwable e) {e.printStackTrace();} finally{IOUtils.close(input);}return "";}public static synchronized String getMd5(String msg) {return getMd5(msg.getBytes());}public static String getMd5(String source, String key){byte[] k_ipad = new byte[64];byte[] k_opad = new byte[64];byte[] keyb = null;byte[] value = null;try {keyb = key.getBytes("UTF8");value = source.getBytes("UTF8");} catch (UnsupportedEncodingException e1) {e1.printStackTrace();}Arrays.fill(k_ipad, keyb.length, 64, (byte)0x36);Arrays.fill(k_opad, keyb.length, 64, (byte)0x5c);for (int i = 0; i < keyb.length; i++) {k_ipad[i] = (byte) (keyb[i] ^ 0x36);k_opad[i] = (byte) (keyb[i] ^ 0x5C);}MessageDigest md = null;try {md = MessageDigest.getInstance("MD5");} catch (NoSuchAlgorithmException e) {return null;}md.update(k_ipad);md.update(value);byte[] dg = md.digest();md.reset();md.update(k_opad);md.update(dg, 0, 16);dg = md.digest();return CodingUtil.bytesToHexString(dg);}public static synchronized byte[] getMd5Byte(String msg) {return getMd5Byte(msg.getBytes());}public static synchronized byte[] getMd5Byte16(String msg) {return getMd5Byte16(msg.getBytes());}public static synchronized String getMd5_16(String msg) {return CodingUtil.bytesToHexString(getMd5Byte(msg), 4, 12); }public static synchronized byte[] getMd5Byte16(byte[] msg) {byte[]md5Byte = MD5.digest(msg);byte[]result = new byte[8];System.arraycopy(md5Byte, 4, result, 0, 8);return result;}public static synchronized byte[] getMd5Byte(byte[] msg) {return MD5.digest(msg);}public static synchronized String getMd5(byte[] msg) {MD5.update(msg);return CodingUtil.bytesToHexString(MD5.digest());}public static void main(String[] args){System.out.println(MD5Util.getMd5("cmbc510623").toUpperCase());}}

本内容不代表本网观点和政治立场,如有侵犯你的权益请联系我们处理。
网友评论
网友评论仅供其表达个人看法,并不表明网站立场。