Example usage for java.security MessageDigest digest

Introduction

In this page you can find the example usage for java.security MessageDigest digest.

Prototype

public byte[] digest()

Source Link

Document

Completes the hash computation by performing final operations such as padding.

Usage

From source file:Main.java

public static String sha1(String string) {
    byte[] hash;//from w  w  w .  j a  va  2s  .  c  o  m
    try {
        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
        sha1.update(string.getBytes("UTF-8"));
        hash = sha1.digest();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("Huh, SHA-1 should be supported?", e);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException("Huh, SHA-1 UTF-8 should be supported?", e);
    }
    StringBuilder hex = new StringBuilder(hash.length * 2);
    for (byte b : hash) {
        if ((b & 0xFF) < 0x10)
            hex.append("0");
        hex.append(Integer.toHexString(b & 0xFF));
    }
    return hex.toString();
}

From source file:Main.java

public static String certHash(byte[] encoded, String digest) {
    try {// w w  w.  jav  a  2 s  . c o  m
        MessageDigest md = MessageDigest.getInstance(digest);
        md.update(encoded);
        return hexString(md.digest());
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

From source file:Main.java

public static String getMD5(String input) {
    String result = null;//  w w  w  .  j a  v a  2s.c  om

    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(input.getBytes());
        byte[] digest = md.digest();

        StringBuffer sb = new StringBuffer();

        for (byte b : digest) {
            sb.append(String.format("%02x", b & 0xff));
        }

        result = sb.toString();
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        return result;
    }

}

From source file:com.constellio.app.modules.es.connectors.http.utils.DigestUtil.java

public static String digest(final byte[] content) throws NoSuchAlgorithmException {
    MessageDigest shaDigester = MessageDigest.getInstance("SHA");
    shaDigester.update(content);/*  w w  w  .  j a v  a  2  s. c  o  m*/
    byte[] shaDigest = shaDigester.digest();
    String digestString = new String(Base64.encodeBase64(shaDigest));

    return digestString;
}

From source file:Main.java

public static byte[] computeSHA1(byte[] convertme, int offset, int len) {
    try {/*from   w  ww .j ava2  s .co  m*/
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        md.update(convertme, offset, len);
        return md.digest();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return new byte[20];
}

From source file:com.dtolabs.rundeck.core.plugins.PluginUtils.java

public static String generateShaIdFromName(String pluginName) {
    MessageDigest digest = DigestUtils.getSha256Digest();
    digest.update(pluginName.getBytes());
    return bytesAsHex(digest.digest()).substring(0, 12);
}

From source file:Main.java

public static String md5(byte[] data) {
    try {//  w ww  .  ja v a2  s .  c  o  m
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.update(data);
        return bytesToHex(messageDigest.digest());
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static String md5(final String s) {
    try {/*from  www  . j a v a  2  s .  c o  m*/
        MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        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) {
    }
    return "";
}

From source file:Main.java

public static String md5s(String plainText) {
    String str = "";
    try {/*from   ww w  .  j av a2 s. c  o  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(plainText.getBytes());
        byte b[] = md.digest();
        int i;
        StringBuffer buf = new StringBuffer("");
        for (int offset = 0; offset < b.length; offset++) {
            i = b[offset];
            if (i < 0)
                i += 256;
            if (i < 16)
                buf.append("0");
            buf.append(Integer.toHexString(i));
        }
        str = buf.toString();

    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block   
        e.printStackTrace();
    }
    return str;
}

From source file:Main.java

public static String crypt(String senha) {
    try {//from   w  w w  .j  av  a 2  s .  com
        MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.update(senha.getBytes());

        byte messageDigest[] = digest.digest();
        StringBuffer hexString = new StringBuffer();

        for (int i = 0; i < messageDigest.length; i++) {
            hexString.append(Integer.toHexString(0xFF & messageDigest[i]));
        }
        return hexString.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return senha;
    }
}