Possible solution to arcfour

Tim Hudson tjh at cryptsoft.com
Sun Mar 8 11:12:21 GMT 1998

According to Johan Meiring:
> Arcfour seems to be a major stumbling block to samba-ntdom because of
> stupid US export laws.
    ARCFOUR and RC4 compatible implementations are *widely* available outside
the USA. In this respect the US export laws are not relevant given that the
code is produced and available entirely outside the USA.

    SSLeay includes all the required routines ... as do most other freely
available encryption packages. For more information see details in the FAQ
at http://www.psy.uq.oz.au/~ftp/Crypto/ ... however SSLeay includes a lot 
more than what you are looking for.

    You could just simply pick up draft-kaukonen-cipher-arcfour-01.txt and
use the code provided in it. It describes the algorithm in detail and has
test vectors and a sample implementation. Grab it from your local ietf
mirror site.


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