Example usage for java.lang Integer toHexString

Introduction

In this page you can find the example usage for java.lang Integer toHexString.

Prototype

public static String toHexString(int i)

Source Link

Document

Returns a string representation of the integer argument as an unsigned integer in base 16.

Usage

From source file:Main.java

public static String generateMD5Hash(String textToBeHashed) {
    try {//from   ww w  .  j  ava2 s. co  m
        MessageDigest messageDigest = MessageDigest.getInstance(MD5);
        messageDigest.update(textToBeHashed.getBytes());
        byte[] messageDigestByte = messageDigest.digest();
        StringBuffer MD5Hash = new StringBuffer();
        String h;
        for (int i = 0; i < messageDigestByte.length; ++i) {
            h = Integer.toHexString((0xFF & messageDigestByte[i]) | 0x100).substring(1, 3);
            MD5Hash.append(h);
        }
        return MD5Hash.toString();
    } catch (Exception e) {
        throw new RuntimeException("Couldn't generate MD5 hash for " + textToBeHashed);
    }
}

From source file:Main.java

public static String md5(String s) {
    if (null == digest)
        return "";

    // Create MD5 Hash
    digest.reset();/*  ww  w  .j a  v a  2s  .c om*/
    digest.update(s.getBytes());
    byte messageDigest[] = digest.digest();

    // Create Hex String
    StringBuffer hexString = new StringBuffer();
    for (int i = 0; i < messageDigest.length; i++)
        hexString.append(Integer.toHexString(0xFF & messageDigest[i]));
    return hexString.toString();
}

From source file:Main.java

public final static String MD5(String s) {
    try {//from w w w.j a va 2 s .  co m
        byte[] btInput = s.getBytes();
        MessageDigest mdInst = MessageDigest.getInstance("MD5");
        mdInst.update(btInput);
        byte[] md = mdInst.digest();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < md.length; i++) {
            int val = ((int) md[i]) & 0xff;
            if (val < 16)
                sb.append("0");
            sb.append(Integer.toHexString(val));
        }
        return sb.toString();
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

/**
 * md5//  w  ww. j av a 2  s  .c  o  m
 * 
 * @param str
 * @return
 */
public static String md5(String str) {
    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.reset();
        messageDigest.update(str.getBytes("UTF-8"));
        byte[] byteArray = messageDigest.digest();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < byteArray.length; i++) {
            if (Integer.toHexString(0xFF & byteArray[i]).length() == 1) {
                sb.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
            } else {
                sb.append(Integer.toHexString(0xFF & byteArray[i]));
            }
        }

        return sb.toString();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return str;
}

From source file:Main.java

public static String getDeviceBssid(byte[] responseBytes) {
    int deviceBssidOffset = 0x0a;
    int deviceBssidCount = MAC_ADDR_LEN;
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < deviceBssidCount; ++i) {
        if (i != 0) {
            sb.append(":");
        }/*from  w ww.  j  a  va 2  s  .c  o m*/
        int hexValue = 0xff & responseBytes[deviceBssidOffset + i];
        if (hexValue < 0x0f) {
            sb.append("0");
        }
        sb.append(Integer.toHexString(hexValue));
    }
    return sb.toString();
}

From source file:Main.java

public static String md5(String s) {
    try {// ww w .  ja  va 2  s  .  c om
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            String h = Integer.toHexString(0xFF & messageDigest[i]);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";

}

From source file:Main.java

public static String md5(final String string) {
    try {//w  w w. j a  v  a 2s.c o  m
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(string.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuilder hexString = new StringBuilder();
        for (byte currentByte : messageDigest) {
            String h = Integer.toHexString(0xFF & currentByte);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static final String md5(final String s) {
    try {//from  w  ww.ja va  2  s  .c  o m
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            String h = Integer.toHexString(0xFF & messageDigest[i]);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

private static String bytesToHexString(byte[] bytes) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < bytes.length; i++) {
        String hex = Integer.toHexString(0xFF & bytes[i]);
        if (hex.length() == 1) {
            sb.append('0');
        }/*  w ww.ja va  2  s .  com*/
        sb.append(hex);
    }
    return sb.toString();
}

From source file:Main.java

public static String md5(final String s) {
    final String MD5 = "MD5";
    try {/*from   w  w w  . j a  v  a2 s  .co m*/
        // Create MD5 Hash
        MessageDigest digest = MessageDigest.getInstance(MD5);
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuilder hexString = new StringBuilder();
        for (byte aMessageDigest : messageDigest) {
            String h = Integer.toHexString(0xFF & aMessageDigest);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}