Here you can find the source of sha1(final String text)
public static String sha1(final String text)
//package com.java2s; //License from project: Apache License import java.security.MessageDigest; public class Main { public static String sha1(final String text) { try {/* w ww.ja va 2s. com*/ final byte[] bytesOfMessage = text.getBytes("UTF-8"); final MessageDigest md = MessageDigest.getInstance("SHA1"); final byte[] digest = md.digest(bytesOfMessage); return new String(digest); } catch (Exception e) { throw new RuntimeException(); } } }