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

private static String SHA1(String text) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA-1");

    byte[] sha1hash = new byte[40];
    md.update(text.getBytes());//from w  w  w.j  a  v  a 2 s  .  co  m
    sha1hash = md.digest();

    return convertToHex(sha1hash);
}

From source file:Main.java

public static String md5(String input) {
    String res = "";
    try {/*w  w w  .  j av a 2s. co m*/
        MessageDigest algorithm = MessageDigest.getInstance("MD5");
        algorithm.reset();
        algorithm.update(input.getBytes());
        byte[] md5 = algorithm.digest();
        String tmp = "";
        for (int i = 0; i < md5.length; i++) {
            tmp = (Integer.toHexString(0xFF & md5[i]));
            if (tmp.length() == 1) {
                res += "0" + tmp;
            } else {
                res += tmp;
            }
        }
    } catch (NoSuchAlgorithmException ex) {
    }
    return res;
}

From source file:Main.java

/**
 * Print hash key// w w w.  j a  v  a2 s.  c o  m
 */
public static void printHashKey(Context context) {
    try {
        PackageInfo info = context.getPackageManager().getPackageInfo(TAG, PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            String keyHash = Base64.encodeToString(md.digest(), Base64.DEFAULT);
            Log.d(TAG, "keyHash: " + keyHash);
        }
    } catch (NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }
}

From source file:Main.java

/**
 * @param s String to SHA-1 hash//from   www.  j a  va 2 s .  c o m
 * @return SHA-1 hashed string
 */
public static String sha1(String s) {
    if (s == null) {
        return "";
    }
    try {
        // Create SHA-1 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("SHA-1");
        digest.update(s.getBytes());
        byte[] messageDigest = digest.digest();
        return bytesToHex(messageDigest);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static final String MD5(String paramString) {
    char[] arrayOfChar1 = { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 66, 67, 68, 69, 70 };
    try {/* w w w . j a  v a2  s  .c  om*/
        byte[] arrayOfByte1 = paramString.getBytes();
        MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
        localMessageDigest.update(arrayOfByte1);
        byte[] arrayOfByte2 = localMessageDigest.digest();
        int i = arrayOfByte2.length;
        char[] arrayOfChar2 = new char[i * 2];
        int j = 0;
        int k = 0;
        while (true) {
            if (j >= i)
                return new String(arrayOfChar2);
            int m = arrayOfByte2[j];
            int n = k + 1;
            arrayOfChar2[k] = arrayOfChar1[(0xF & m >>> 4)];
            k = n + 1;
            arrayOfChar2[n] = arrayOfChar1[(m & 0xF)];
            j++;
        }
    } catch (Exception localException) {
        localException.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String getMD5(String mykey) {
    try {/*from  w w w.  j a v  a2  s  . c o  m*/
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(mykey.getBytes(Charset.forName("UTF-8")));
        return bytesToHex(digest.digest()).toLowerCase();
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, "MD5 hash exception: " + e.toString());
        return null;
    }
}

From source file:Main.java

/**
 * @param s String to SHA-256 hash/*from  ww w.jav a  2 s.  c om*/
 * @return SHA-256 hashed string
 */
public static String sha256(String s) {
    if (s == null) {
        return "";
    }
    try {
        // Create SHA-256 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("SHA-256");
        digest.update(s.getBytes());
        byte[] messageDigest = digest.digest();
        return bytesToHex(messageDigest);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

/**
 * encode By MD5/*w  w w.  j  av  a2  s.c o  m*/
 * 
 * @param str
 * @return String
 */
public static String md5(String str) {
    if (str == null) {
        return null;
    }
    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.update(str.getBytes());
        return new String(encodeHex(messageDigest.digest()));
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.ykun.commons.utils.security.MD5Utils.java

/**
 * MD532??//from  w w  w  .  ja  va 2 s . com
 *
 * @param str
 * @return
 */
public static String md5(String str) {
    StringBuilder result = new StringBuilder();
    try {
        MessageDigest md5 = MessageDigest.getInstance(DIGEST);
        md5.update(str.getBytes(CHARSET_UTF8));
        byte[] b = md5.digest();
        for (int i = 0; i < b.length; ++i) {
            int x = b[i] & 0xFF;
            int h = x >>> 4;
            int l = x & 0x0F;
            result.append((char) (h + ((h < 10) ? '0' : 'a' - 10)));
            result.append((char) (l + ((l < 10) ? '0' : 'a' - 10)));
        }
    } catch (Exception e) {
        logger.error("md5 error:", e);
        throw new RuntimeException(e);
    }
    return result.toString();
}

From source file:Main.java

public static String SHA1(String str) {
    try {//from  w w  w .ja va2  s  .com
        MessageDigest digest = java.security.MessageDigest.getInstance("SHA-1");
        digest.update(str.getBytes());
        byte messageDigest[] = digest.digest();
        // Create Hex String
        StringBuffer hexString = new StringBuffer();

        for (byte i : messageDigest) {
            String shaHex = Integer.toHexString(i & 0xFF);
            if (shaHex.length() < 2) {
                hexString.append(0);
            }
            hexString.append(shaHex);
        }
        return hexString.toString();

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