On Tuesday 13 May 2008 17:10, j16sdiz at freenetproject.org wrote:
> Author: j16sdiz
> Date: 2008-05-13 16:10:32 +0000 (Tue, 13 May 2008)
> New Revision: 19912
>
> Modified:
> trunk/freenet/src/freenet/crypt/ciphers/Rijndael.java
> Log:
> No Monte Carlo test for Rijndael
Huh?
>
>
> Modified: trunk/freenet/src/freenet/crypt/ciphers/Rijndael.java
> ===================================================================
> --- trunk/freenet/src/freenet/crypt/ciphers/Rijndael.java 2008-05-13
12:11:24 UTC (rev 19911)
> +++ trunk/freenet/src/freenet/crypt/ciphers/Rijndael.java 2008-05-13
16:10:32 UTC (rev 19912)
> @@ -102,65 +102,6 @@
> throw new IllegalArgumentException();
> Rijndael_Algorithm.blockDecrypt(block, result, 0, sessionKey,
blocksize/8);
> }
> -
> - public static void main(String[] args) throws
> UnsupportedCipherException {
> - // Perform the Monte Carlo test
> -
> - System.out.println("KEYSIZE=128\n");
> - monteCarlo(128);
> - System.out.println("=========================\n");
> - System.out.println("KEYSIZE=192\n");
> - monteCarlo(192);
> - System.out.println("=========================\n");
> - System.out.println("KEYSIZE=256\n");
> - monteCarlo(256);
> - }
> -
> - static void monteCarlo(int keySize) throws UnsupportedCipherException {
> - Rijndael ctx=new Rijndael(keySize);
> - int kb=keySize/8;
> - byte[] P=new byte[16], C=new byte[16],
> - CL=new byte[16], KEY=new byte[kb];
> -
> - for (int i=0; i<400; i++) {
> - System.out.println("I="+i);
> - System.out.println("KEY="+HexUtil.bytesToHex(KEY,0,kb));
> -
> - System.out.println("PT="+HexUtil.bytesToHex(P,0,16));
> -
> - ctx.initialize(KEY);
> - for (int j=0; j<10000; j++) {
> - System.arraycopy(C, 0, CL, 0, C.length);
> - ctx.encipher(P, C);
> - System.arraycopy(C, 0, P, 0, P.length);
> - }
> - System.out.println("CT="+HexUtil.bytesToHex(C,0,16));
> -
> -
> - for (int x=0; x<kb; x++) {
> - if (keySize==192)
> - if (x<8)
> - KEY[x]^=CL[8+x];
> - else
> - KEY[x]^=C[x-8];
> - else if (keySize==256)
> - if (x<16)
> - KEY[x]^=CL[x];
> - else
> - KEY[x]^=C[x-16];
> - else KEY[x]^=C[x];
> - }
> -
> - if (keySize==192)
> - for (int x=0; x<8; x++)
> - KEY[x+16]^=CL[x+8];
> - else if (keySize==256)
> - for (int x=0; x<16; x++)
> - KEY[x+16]^=CL[x];
> -
> - System.out.println();
> - }
> - }
> }
>
>
>
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>
>
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