Re: Simple encryption/decryption

=?UTF-8?B?QXJuZSBWYWpow7hq?= <>
Mon, 23 Mar 2009 19:46:43 -0400
Lew wrote:

rossum wrote:

Base-64 is not part of standard Java, though there is an
undocumented version in sun.misc. There are a lot of implementations

floating about on the internet; I use Bouncy Castle, which has Base-64
as part of their general crypto package.

Apache commons-codec has it also. Besides, as

Arne Vajh??j wrote:

Base64 is part of the Java EE spec. It is under the mail stuff.


The code is simple:

     public static String b64encode(byte[] b) throws MessagingException,
IOException {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         OutputStream b64os = MimeUtility.encode(baos, "base64");
         return new String(baos.toByteArray());
      public static byte[] b64decode(String s) throws
MessagingException, IOException {
         ByteArrayInputStream bais = new ByteArrayInputStream(s.getBytes());
         InputStream b64is = MimeUtility.decode(bais, "Base64");
         byte[] tmp = new byte[s.length()];
         int n =;
         byte[] res = new byte[n];
         System.arraycopy(tmp, 0, res, 0, n);
         return res;

and if it is in Java EE context the classes are there - if it is in
pure Java SE context then getting JavaMail and put that jar in classpath
is enough.


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