Java SHA1 sha1sum(byte[] input, int length)

Here you can find the source of sha1sum(byte[] input, int length)

Description

shasum

License

Open Source License

Declaration

public static String sha1sum(byte[] input, int length) 

Method Source Code

//package com.java2s;
/*/*w  w w.  jav a2  s  .  c o m*/
 This file is part of smpte2022lib.

 This project is free software: you can redistribute it and/or modify it under the terms of the EUPL v. 1.1 as provided
 by the European Commission. This project is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 See the European Union Public License for more details.

 You should have received a copy of the EUPL General Public License along with this project.
 If not, see he EUPL licence v1.1 is available in 22 languages:
 22-07-2013, <https://joinup.ec.europa.eu/software/page/eupl/licence-eupl>

 Retrieved from https://github.com/davidfischer-ch/smpte2022lib.git
 */

import java.security.*;

public class Main {
    protected static final String HEXES = "0123456789ABCDEF";

    public static String sha1sum(byte[] input, int length) {
        try {
            MessageDigest sha1 = MessageDigest.getInstance("SHA1");
            sha1.update(input, 0, length);
            return getHex(sha1.digest());
        } catch (NoSuchAlgorithmException e) {
            return null;
        }
    }

    public static String getHex(long raw) {
        return String.format("%08x", raw);
    }

    public static String getHex(byte[] raw) {
        if (raw == null)
            return null;
        final StringBuilder hex = new StringBuilder(2 * raw.length);
        for (final byte b : raw) {
            hex.append(HEXES.charAt((b & 0xF0) >> 4)).append(
                    HEXES.charAt((b & 0x0F)));
        }
        return hex.toString();
    }
}

Related

  1. sha1Hex(String data)
  2. sha1hex(String source)
  3. sha1Java(String password)
  4. sha1Sum(byte[] ba)
  5. sha1sum(byte[] data, Integer startIdxInc, Integer stopIdxExc)
  6. sha1sum(File file)
  7. sha1sum(File file)
  8. SHA1Sum(final @Nonnull byte[] bytes)
  9. sha1sum(final String data)