Germany Frees Crypto

[Andreas Bogk]

Phillip Temple <ptemple@onlinemagic.com> writes:

> Hence [GSM] handsets sold to different nations had different levels of
> being crippled (by blanking xxx of the top bits of the key). There

The number of blanked keybits is 10, and is not dependent of the
handset, but of the implementation of the authentication algorithms
A3/A8 in the SIM chipcard and the Authentication center of the network
provider.

I haven't seen a single provider who didn't cripple the keylength.

Andreas

-- 
Reality is two's complement. See:
ftp://ftp.netcom.com/pub/hb/hbaker/hakmem/hacks.html#item154