On Thu, May 15, 2008 at 10:30 PM, Matthew Toseland
<[EMAIL PROTECTED]> wrote:
> On Tuesday 13 May 2008 17:10, [EMAIL PROTECTED] 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?
The test output the monte carlo test result, it is supposed to be compared
with ecb_e_m.txt in the FIPS standard.
Our implementation is the original Rijndael (not the one in FIPS standard),
the output does not match ecb_e_m.txt.
>> 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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