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Modified version of HTTPClient used by The Grinder. The original
can be found at http://www.innovation.ch/java/HTTPClient/.
/*
* @(#)MD5.java 0.3-3 06/05/2001
*
* This file is part of the HTTPClient package
* Copyright (C) 1996-2001 Ronald Tschalär
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307, USA
*
* For questions, suggestions, bug-reports, enhancement-requests etc.
* I may be contacted at:
*
* [email protected]
*
* The HTTPClient's home page is located at:
*
* http://www.innovation.ch/java/HTTPClient/
*
*/
package HTTPClient;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/**
* Some utility methods for digesting info using MD5.
*
* @version 0.3-3 06/05/2001
* @author Ronald Tschalär
* @since V0.3-3
*/
class MD5
{
private static final char[] hex = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
};
/**
* Turns array of bytes into string representing each byte as
* unsigned hex number.
*
* @param hash array of bytes to convert to hex-string
* @return generated hex string
*/
public static final String toHex(byte hash[])
{
StringBuffer buf = new StringBuffer(hash.length * 2);
for (int idx=0; idx> 4) & 0x0f]).append(hex[hash[idx] & 0x0f]);
return buf.toString();
}
/**
* Digest the input.
*
* @param input the data to be digested.
* @return the md5-digested input
*/
public static final byte[] digest(byte[] input)
{
try
{
MessageDigest md5 = MessageDigest.getInstance("MD5");
return md5.digest(input);
}
catch (NoSuchAlgorithmException nsae)
{
throw new Error(nsae.toString());
}
}
/**
* Digest the input.
*
* @param input1 the first part of the data to be digested.
* @param input2 the second part of the data to be digested.
* @return the md5-digested input
*/
public static final byte[] digest(byte[] input1, byte[] input2)
{
try
{
MessageDigest md5 = MessageDigest.getInstance("MD5");
md5.update(input1);
return md5.digest(input2);
}
catch (NoSuchAlgorithmException nsae)
{
throw new Error(nsae.toString());
}
}
/**
* Digest the input.
*
* @param input the data to be digested.
* @return the md5-digested input as a hex string
*/
public static final String hexDigest(byte[] input)
{
return toHex(digest(input));
}
/**
* Digest the input.
*
* @param input1 the first part of the data to be digested.
* @param input2 the second part of the data to be digested.
* @return the md5-digested input as a hex string
*/
public static final String hexDigest(byte[] input1, byte[] input2)
{
return toHex(digest(input1, input2));
}
/**
* Digest the input.
*
* @param input the data to be digested.
* @return the md5-digested input as a hex string
*/
public static final byte[] digest(String input)
{
try
{ return digest(input.getBytes("8859_1")); }
catch (UnsupportedEncodingException uee)
{ throw new Error(uee.toString()); }
}
/**
* Digest the input.
*
* @param input the data to be digested.
* @return the md5-digested input as a hex string
*/
public static final String hexDigest(String input)
{
try
{ return toHex(digest(input.getBytes("8859_1"))); }
catch (UnsupportedEncodingException uee)
{ throw new Error(uee.toString()); }
}
}