gnupg keysize

Lowell Gilbert freebsd-questions-local at
Thu Nov 15 09:54:47 PST 2007

Peo Nilsson <per-olof.nilsson at> writes:

> When browsing:
> It says:
> "The size of a DSA key must be between 512 and 1024 bits".
> It also says:
> "The ElGamal key may be of any size".
> Who and why has defined this?

The OpenPGP standard.

[Actually, the history is a little more complicated than that, but
OpenPGP is the limiting factor at the moment.]

> In my opinion, the size of a key is a question for the user.

No one is forcing you to follow standards.
However, standards are useful when communicating with other people.

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