Re: Sinople: a 128-bit symmetric block cipher

From: David Wagner (daw@mozart.cs.berkeley.edu)
Date: 03/11/03 

From: daw@mozart.cs.berkeley.edu (David Wagner)
Date: Tue, 11 Mar 2003 03:47:20 +0000 (UTC)

Philippe Paquet wrote:
>"David Wagner" <daw@mozart.cs.berkeley.edu> wrote:
>> Martin4 wrote:
>> >Are there other UFNs which combine source-heavy and target-heavy
>> >rounds in this manner?
>>
>> BEAR and LION come to mind.
>
>BEAR and LION are really different. They use hash function and a stream
>cipher in their construction.

Oh, I agree they use a hash function and a stream cipher -- but
they're still UFNs that combine source-heavy and target-heavy rounds,
I think. Isn't that what was being asked? Maybe not; I don't know.

Relevant Pages

  • Re: Key entropy, stream entropy, block entropy, block population entropy AKA uniique stream length
    ... the original KEY so both parties can generate the stream. ... If you are expanding the key without "any extra entropy" it must ... I do not know any cipher there it would make sense for this not to be ...
    (sci.crypt)
  • Re: An Encryption Method
    ... > that PRBG will be the part of the scheme to be attacked. ... Wouldn't a cipher ... > that can deal with any arbitrary bit stream as a plaintext be more ... etc. has NO relationship to the original message. ...
    (sci.crypt)
  • Re: Stream or Block cypher ? need your help to clarify ...
    ... different implementations of one cryptosystem ... A cryptosystem encrypting one bit at a time is clearly a stream ... When you stop calling the cryptosystem a stream cipher is ...
    (sci.crypt)
  • Re: A basic cryptanalysis question
    ... Take two general cipher that use independent ... > All encryption schemes are bijective, less you wouldn't be able to decrypt. ... You can also generate key stream in advance ... Where as BICOM mode is a block oriented transform where you cannot seek, ...
    (sci.crypt)
  • Re: Terminology question
    ... >> mean XORing the plaintext with the output of a PRG, ... >> a stream", in which case a block cipher in CBC mode is a stream ... RC4 is the only byte-oriented stream cipher I know of. ... Is this the same WAKE you speak of? ...
    (sci.crypt)