Here you can find the source of sha1(final String todigest)
public static byte[] sha1(final String todigest)
//package com.java2s; /**/*w w w.j a va2s.c o m*/ * $URL$ * $Id$ * * Copyright (c) 2010 The Sakai Foundation * * Licensed under the Educational Community License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.opensource.org/licenses/ECL-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.UnsupportedEncodingException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class Main { public static byte[] sha1(final String todigest) { try { byte[] b = todigest.getBytes("UTF-8"); MessageDigest sha1 = MessageDigest.getInstance("SHA-1"); return sha1.digest(b); } catch (UnsupportedEncodingException e) { throw new Error(e); } catch (NoSuchAlgorithmException e) { throw new Error(e); } } }