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Docs: note warning about <2048-bit RSA/DSA keys.

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Jacob Nevins 2022-10-21 11:51:34 +01:00
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doc/pubkey.but
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@ -132,7 +132,8 @@ The \q{Number of bits} input box allows you to choose the strength
of the key PuTTYgen will generate.
\b For RSA and DSA, 2048 bits should currently be sufficient for most
purposes.
purposes. (Smaller keys of these types are no longer considered
secure, and PuTTYgen will warn if you try to generate them.)
\b For ECDSA, only 256, 384, and 521 bits are supported. (ECDSA offers
equivalent security to RSA with smaller key sizes.)