Java语言编写MD5加密方法，Jmeter如何给字符串MD5加密

<div class="cnblogs_Highlighter">
<pre class="brush:java;gutter:true;">package md5package;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class String2md5 {

public static void main(String args[]) {
    String aaa=StringToMd5("abc");

    if(aaa.equals("900150983cd24fb0d6963f7d28e17f72"))
    System.out.println("MD5加密后的值是："+aaa);
    else
        System.out.println("-----sorry-"+aaa);

}

public static String StringToMd5(String psw) {  
    {  
        try {  
            MessageDigest md5 = MessageDigest.getInstance("MD5");  
            md5.update(psw.getBytes("UTF-8"));  
            byte[] encryption = md5.digest();  

            StringBuffer strBuf = new StringBuffer();  
            for (int i = 0; i < encryption.length; i++) {  
                if (Integer.toHexString(0xff &amp; encryption[i]).length() == 1) {  
                    strBuf.append("0").append(Integer.toHexString(0xff &amp; encryption[i]));  
                } else {  
                    strBuf.append(Integer.toHexString(0xff &amp; encryption[i]));  
                }  
            }  

            return strBuf.toString();  
        } catch (NoSuchAlgorithmException e) {  
            return "";  
        } catch (UnsupportedEncodingException e) {  
            return "";  
        }  
    }  
}

}

　　找了一下，目前Jmeter4.0版本中已经默认自带这个md5方法了，源码如下：

package org.apache.commons.codec.digest;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.codec.binary.Hex;
import org.apache.commons.codec.binary.StringUtils;

public class DigestUtils {
private static final int STREAM_BUFFER_LENGTH = 1024;
private final MessageDigest messageDigest;

public static byte[] digest(MessageDigest messageDigest,byte[] data) {
    return messageDigest.digest(data);
}

public static byte[] digest(MessageDigest messageDigest,ByteBuffer data) {
    messageDigest.update(data);
    return messageDigest.digest();
}

public static byte[] digest(MessageDigest messageDigest,File data) throws IOException {
    return updateDigest(messageDigest,data).digest();
}

public static byte[] digest(MessageDigest messageDigest,InputStream data) throws IOException {
    return updateDigest(messageDigest,data).digest();
}

public static MessageDigest getDigest(String algorithm) {
    try {
        return MessageDigest.getInstance(algorithm);
    } catch (NoSuchAlgorithmException var2) {
        throw new IllegalArgumentException(var2);
    }
}

public static MessageDigest getDigest(String algorithm,MessageDigest defaultMessageDigest) {
    try {
        return MessageDigest.getInstance(algorithm);
    } catch (Exception var3) {
        return defaultMessageDigest;
    }
}

public static MessageDigest getMd2Digest() {
    return getDigest("MD2");
}

public static MessageDigest getMd5Digest() {
    return getDigest("MD5");
}

public static MessageDigest getSha1Digest() {
    return getDigest("SHA-1");
}

public static MessageDigest getSha256Digest() {
    return getDigest("SHA-256");
}

public static MessageDigest getSha384Digest() {
    return getDigest("SHA-384");
}

public static MessageDigest getSha512Digest() {
    return getDigest("SHA-512");
}

/** @deprecated */
@Deprecated
public static MessageDigest getShaDigest() {
    return getSha1Digest();
}

public static byte[] md2(byte[] data) {
    return getMd2Digest().digest(data);
}

public static byte[] md2(InputStream data) throws IOException {
    return digest(getMd2Digest(),data);
}

public static byte[] md2(String data) {
    return md2(StringUtils.getBytesUtf8(data));
}

public static String md2Hex(byte[] data) {
    return Hex.encodeHexString(md2(data));
}

public static String md2Hex(InputStream data) throws IOException {
    return Hex.encodeHexString(md2(data));
}

public static String md2Hex(String data) {
    return Hex.encodeHexString(md2(data));
}

public static byte[] md5(byte[] data) {
    return getMd5Digest().digest(data);
}

public static byte[] md5(InputStream data) throws IOException {
    return digest(getMd5Digest(),data);
}

public static byte[] md5(String data) {
    return md5(StringUtils.getBytesUtf8(data));
}

public static String md5Hex(byte[] data) {
    return Hex.encodeHexString(md5(data));
}

public static String md5Hex(InputStream data) throws IOException {
    return Hex.encodeHexString(md5(data));
}

public static String md5Hex(String data) {
    return Hex.encodeHexString(md5(data));
}

/** @deprecated */
@Deprecated
public static byte[] sha(byte[] data) {
    return sha1(data);
}

/** @deprecated */
@Deprecated
public static byte[] sha(InputStream data) throws IOException {
    return sha1(data);
}

/** @deprecated */
@Deprecated
public static byte[] sha(String data) {
    return sha1(data);
}

public static byte[] sha1(byte[] data) {
    return getSha1Digest().digest(data);
}

public static byte[] sha1(InputStream data) throws IOException {
    return digest(getSha1Digest(),data);
}

public static byte[] sha1(String data) {
    return sha1(StringUtils.getBytesUtf8(data));
}

public static String sha1Hex(byte[] data) {
    return Hex.encodeHexString(sha1(data));
}

public static String sha1Hex(InputStream data) throws IOException {
    return Hex.encodeHexString(sha1(data));
}

public static String sha1Hex(String data) {
    return Hex.encodeHexString(sha1(data));
}

public static byte[] sha256(byte[] data) {
    return getSha256Digest().digest(data);
}

public static byte[] sha256(InputStream data) throws IOException {
    return digest(getSha256Digest(),data);
}

public static byte[] sha256(String data) {
    return sha256(StringUtils.getBytesUtf8(data));
}

public static String sha256Hex(byte[] data) {
    return Hex.encodeHexString(sha256(data));
}

public static String sha256Hex(InputStream data) throws IOException {
    return Hex.encodeHexString(sha256(data));
}

public static String sha256Hex(String data) {
    return Hex.encodeHexString(sha256(data));
}

public static byte[] sha384(byte[] data) {
    return getSha384Digest().digest(data);
}

public static byte[] sha384(InputStream data) throws IOException {
    return digest(getSha384Digest(),data);
}

public static byte[] sha384(String data) {
    return sha384(StringUtils.getBytesUtf8(data));
}

public static String sha384Hex(byte[] data) {
    return Hex.encodeHexString(sha384(data));
}

public static String sha384Hex(InputStream data) throws IOException {
    return Hex.encodeHexString(sha384(data));
}

public static String sha384Hex(String data) {
    return Hex.encodeHexString(sha384(data));
}

public static byte[] sha512(byte[] data) {
    return getSha512Digest().digest(data);
}

public static byte[] sha512(InputStream data) throws IOException {
    return digest(getSha512Digest(),data);
}

public static byte[] sha512(String data) {
    return sha512(StringUtils.getBytesUtf8(data));
}

public static String sha512Hex(byte[] data) {
    return Hex.encodeHexString(sha512(data));
}

public static String sha512Hex(InputStream data) throws IOException {
    return Hex.encodeHexString(sha512(data));
}

public static String sha512Hex(String data) {
    return Hex.encodeHexString(sha512(data));
}

/** @deprecated */
@Deprecated
public static String shaHex(byte[] data) {
    return sha1Hex(data);
}

/** @deprecated */
@Deprecated
public static String shaHex(InputStream data) throws IOException {
    return sha1Hex(data);
}

/** @deprecated */
@Deprecated
public static String shaHex(String data) {
    return sha1Hex(data);
}

public static MessageDigest updateDigest(MessageDigest messageDigest,byte[] valueToDigest) {
    messageDigest.update(valueToDigest);
    return messageDigest;
}

public static MessageDigest updateDigest(MessageDigest messageDigest,ByteBuffer valueToDigest) {
    messageDigest.update(valueToDigest);
    return messageDigest;
}

public static MessageDigest updateDigest(MessageDigest digest,File data) throws IOException {
    BufferedInputStream stream = new BufferedInputStream(new FileInputStream(data));

    MessageDigest var3;
    try {
        var3 = updateDigest(digest,(InputStream)stream);
    } finally {
        stream.close();
    }

    return var3;
}

public static MessageDigest updateDigest(MessageDigest digest,InputStream data) throws IOException {
    byte[] buffer = new byte[1024];

    for(int read = data.read(buffer,1024); read > -1; read = data.read(buffer,1024)) {
        digest.update(buffer,read);
    }

    return digest;
}

public static MessageDigest updateDigest(MessageDigest messageDigest,String valueToDigest) {
    messageDigest.update(StringUtils.getBytesUtf8(valueToDigest));
    return messageDigest;
}

public static boolean isAvailable(String messageDigestAlgorithm) {
    return getDigest(messageDigestAlgorithm,(MessageDigest)null) != null;
}

/** @deprecated */
@Deprecated
public DigestUtils() {
    this.messageDigest = null;
}

public DigestUtils(MessageDigest digest) {
    this.messageDigest = digest;
}

public DigestUtils(String name) {
    this(getDigest(name));
}

public MessageDigest getMessageDigest() {
    return this.messageDigest;
}

public byte[] digest(byte[] data) {
    return updateDigest(this.messageDigest,data).digest();
}

public byte[] digest(String data) {
    return updateDigest(this.messageDigest,data).digest();
}

public byte[] digest(ByteBuffer data) {
    return updateDigest(this.messageDigest,data).digest();
}

public byte[] digest(File data) throws IOException {
    return updateDigest(this.messageDigest,data).digest();
}

public byte[] digest(InputStream data) throws IOException {
    return updateDigest(this.messageDigest,data).digest();
}

public String digestAsHex(byte[] data) {
    return Hex.encodeHexString(this.digest(data));
}

public String digestAsHex(String data) {
    return Hex.encodeHexString(this.digest(data));
}

public String digestAsHex(ByteBuffer data) {
    return Hex.encodeHexString(this.digest(data));
}

public String digestAsHex(File data) throws IOException {
    return Hex.encodeHexString(this.digest(data));
}

public String digestAsHex(InputStream data) throws IOException {
    return Hex.encodeHexString(this.digest(data));
}

}

String str = "abc";
String str2 = "测试";

String sign = DigestUtils.md5Hex(str);
String sign2 = DigestUtils.md5Hex(str2);
String random = str;
String random2 = str2;

vars.put("sign_str",sign.toUpperCase());
vars.put("random",random);

vars.put("sign_str",sign2.toUpperCase());
vars.put("random",random2);

Java语言编写MD5加密方法，Jmeter如何给字符串MD5加密

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