sci.crypt archive
Re: Electronic Codebook
From: Mike Scott <mscott@indigo.ie>
Date: Tue Jan 17 2006 - 22:00:21 CET
Date: Tue Jan 17 2006 - 22:00:21 CET
Andrew Swallow wrote:
> s_4@wp.pl wrote:
>
>> I have such homework and I want to know what is the answar. I think
>> that it has something to do with DES, becouse DES is used to cipher an
>> individual parts of plain text. But I not sure. Perhaps someone of you
>> know the answer?
>>
>
> You will get the same cypher text if you forget to use an IV.
>
> Andrew Swallow
Ah. He is using a 4-bit IV, hence the 17 ciphertexts
Mike Scott
Received on Thu Jan 19 03:44:34 2006