Java MD5 Encode MD5Encode(final String origin, final String charsetname)

Description

MD Encode

License

Apache License

Declaration

public static String MD5Encode(final String origin, final String charsetname) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.security.MessageDigest;

public class Main {
    private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c",
            "d", "e", "f" };

    public static String MD5Encode(final String origin, final String charsetname) {
        String resultString = null;
        try {/*from   ww w  .j  a v a 2 s. com*/
            resultString = new String(origin);
            final MessageDigest md = MessageDigest.getInstance("MD5");
            if (charsetname == null || "".equals(charsetname))
                resultString = byteArrayToHexString(md.digest(resultString.getBytes()));
            else
                resultString = byteArrayToHexString(md.digest(resultString.getBytes(charsetname)));
        } catch (final Exception exception) {
        }
        return resultString;
    }

    public static String MD5Encode(final String origin) {
        return MD5Encode(origin, "UTF-8");
    }

    private static String byteArrayToHexString(final byte b[]) {
        final StringBuffer resultSb = new StringBuffer();
        for (int i = 0; i < b.length; i++)
            resultSb.append(byteToHexString(b[i]));

        return resultSb.toString();
    }

    private static String byteToHexString(final byte b) {
        int n = b;
        if (n < 0)
            n += 256;
        final int d1 = n / 16;
        final int d2 = n % 16;
        return hexDigits[d1] + hexDigits[d2];
    }
}

Related

1. md5Encode(byte[] content)
2. md5Encode(String input, String encoding)
3. md5Encode(String inStr)
4. md5Encode(String inStr)
5. MD5Encode(String inStr)