Re: cipher software and SIM cards

[David Honig]

At 11:06 PM 8/23/00 -0400, Mia Antonio wrote:
>hi all.
>
>i'm new to the field and i hope somebody could help me.
>considering speed and memory requierements, what symmetric cipher
>algorithms can we implement on SIM cards?
>
>thank you.
>
>mia

How many gates/ram/watts/etc do you have to spare? 
DES is 5K gates, Blowfish 13K + RAM + ROM, IDEA 26K gates, AES
candidates about 50K gates IIRC, see the NSA paper.  YMMV.