A case for 2560 bit keys

[Chris Adams]

On 9 Jul 96 17:46:00 -0800, markm at voicenet.com wrote:

>> As an experiment generate a 2047 bit PGP key and a 512 bit PGP key.
>> Encrypt a file (preferably of a reasonable size) using both keys.
>> Depending on the computer you are using, the time difference between the
>> two keys will be a matter of few seconds or even a fraction of a second.
>
>Now try decrypting the file, or signing another file.  I have a 486-66 which
>is now considered hopelessly sluggish by today's standards.  It takes about
>5 seconds, while doing the same operation with a 512-bit key takes less than a
>second.  I sign every one of my messages, so such a time delay gets quite

check your setup. I used to run a 386-20 (5MB RAM) and it took about 3
seconds for a 1024 bit key. Given it didn't even have a copro (not sure
when/if PGP uses one) and that it was off of a Stackered drive, I'd
expect you to have much better times.

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