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/*
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* This program is a part of the IoTa Project.
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*
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* Copyright © 2011-2012 Université de Caen Basse-Normandie, GREYC
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* Copyright © 2011 Orange Labs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* <http://www.gnu.org/licenses/>
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*
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* See AUTHORS for a list of contributors.
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*/
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package fr.unicaen.iota.epcisphi.utils;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import org.apache.commons.codec.binary.Base64;
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public final class SHA1 {
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private SHA1() {
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}
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/**
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* Hash a
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* <code>String</code> using SHA1 algorithm.
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*
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* @param input The
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* <code>String</code> to hash.
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* @return The hash using SHA1.
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* @throws NoSuchAlgorithmException If the SHA1 algorithm is not available.
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*/
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public static String makeSHA1Hash(String input) throws NoSuchAlgorithmException {
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MessageDigest md = MessageDigest.getInstance("SHA1");
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md.reset();
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byte[] buffer = input.getBytes();
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md.update(buffer);
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byte[] digest = md.digest();
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byte[] encoded = Base64.encodeBase64(digest);
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return new String(encoded);
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}
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}
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