Gus writes (concerning gpg fingerprints on business cards):
> visually comparing 10 groups of 4 digits is quite easy.
No Gus.
There's another world out there.
Part of what drives wide-spread use is ease of acceptance.
An overwhelming desire or need may overcome an initial (entry)
difficulty - e.g. learning to drive or phone numbers, but these
initial difficulties represent barriers.
The easier to use, the more familiar, or compatible with
current practice, the quicker it is to adopt. Amongst competing
systems, often the merits of the different systems are lost
to this fact.
Hence PHP becomes popular because people find the Perl based
systems hard to get started with.
Keys have to be easy to use. Even those that only offer a modest
amount of protection will be preferred over more difficult ones.
Jamie
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