Re: Problem padding

[Martin Egholm Nielsen <martin@xxxxxxxxxxxxxxxxx>]

Hello Gaston,

> Hi, (sorry for my english, im from ARgentine :( )
Your english is fine!

> i dont have a good understanding of cryptography or cipher...i
That's not the problem - it's much more fundamental...

> Here is my code and my console output.
> Like you see, my input and output are padded... what am i doing wrong!!??

--- 8< 8< 8< ---
>     byte[] input = "HOLA MMMMMMUNDO".getBytes();
--- 8< 8< 8< ---
>     byte[] output = new byte[cpt.length - unpad];
--- 8< 8< 8< ---
>     System.out.println("TEST " + input + " -- " + output);

> TEST [B@74c3aa -- [B@1d9fd51
That's as expected. The out you are seeing is '[' to indicate you're 
printing an array. 'B' to indicate it's a byte-array, and "@?????" to 
indicate the address in memory of the byte-array.
The "problem" is that Java does not do "auto-formatting" of byte-arrays 
- so that System.out.println( byteArray ); does not produce the string 
you expect. Instead, either do this:

System.out.println( new String(input) );

or print it manually:

for ( int i = 0; i < input.length; i++ )
{
  System.out.print( input[ i ] );
} // for
System.out.println();

Try that,
 Martin Egholm


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