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Re: Challenge "Alice's birthday party (Part 1)"

 On Oct. 22, 2010, 8:20 p.m.

is it on purpose that in the example in the description an 'a' is appended at the end of the base64hex string?

Re: Challenge "Brute-Force-Attack on Triple-DES with reduced

 On Oct. 20, 2010, 11:59 p.m.

found out that I tried to ENcrypt instead of DEcrypt^^
and finding the IV is very nasty^^

Re: Challenge "Brute-Force-Attack on Triple-DES with reduced

 On Oct. 19, 2010, 10 p.m.

I am decrypting only the first block, so , also in CBC mode, this doesn't depend on other block, only maybe on the IV. Because it is nowhere stated otherwise a…

Re: Challenge "Brute-Force-Attack on Triple-DES with reduced

 On Oct. 18, 2010, 11:38 p.m.

Because in all references the name of the machine is written in uppercase, but also tried in small letters

Re: Challenge "Brute-Force-Attack on Triple-DES with reduced

 On Oct. 18, 2010, 9:17 p.m.

Can somebody tell me, if my assumptions are right or where I have the mistake? I also can send the sourcecode per pm

Re: Challenge "Brute-Force-Attack on Triple-DES with reduced

 On Oct. 17, 2010, 6:42 p.m.

I have two keys, k1 and k2
in the loop I do:
encrypt msg with k1
decrypt with k2
encrypt with k1
test if isprint() on the characters of the first 8byte bl…

Re: Challenge "Brute-Force-Attack on Triple-DES with reduced

 On Oct. 17, 2010, 5:01 p.m.

I think he ment using the ASCII values as byte-array and there are variants of DES with 64, 128 and 192 bit keysize (including parity bit).
The problem I have…


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