Photuris Primality verification needed
Phil Karn
karn at qualcomm.com
Mon Nov 13 13:48:20 PST 1995
>I don't know. Maybe the right thing to do is require conforming
>implementations to support a large modulus but include recommended
>smaller moduli. Then Alice can always force Bob to use the large
>modulus but, if both agree, they can use something smaller from the
>standard or even their own home-grown modulus.
Thanks. That's pretty much what we are doing -- requiring a particular
1024-bit modulus but recommending several others as options. There's a
2048 bit optional modulus and may even be a 4096-bit option if I can
find one in reasonable time. There was going to be a 512-bit optional
modulus but the group has reacted so strongly to it that I'm willing to
withdraw it.
Phil
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