Re: Use of cryptography in an instant messenger

From: Mok-Kong Shen (mok-kong.shen_at_t-online.de)
Date: 01/25/04


Date: Sun, 25 Jan 2004 14:10:34 +0100


Marcel Martin wrote:
>
[snip]
> BTW, someone wrote "there is any restriction in using such a software in
> EU countries". Stop. In France, we have the right to use crypto since a
> 3 or 4 years only, and yet, with keys having no more than 128 bits. If
> one wants to write and distribute crypto-softwares, one must ask (and
> obtain) an authorisation from SCSSI [*].

128-bit symmetric key should be sufficient. (Wassenaar
posed a 56-bit limit. I am not very clear of its
applicability, though.) But your last sentence seems
to imply that you would get troubles in freely publishing
crypto codes on the internet (webpages, posts to groups)
much like the situation previously in US. Is that right?

M. K. Shen



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