>> such as the blowfish password algorithm?
> The passwd algortithms are not part of the kernel,

Right.

> NetBSD [...] supports MD5 (in addidition to the historical 3DES).

The historical algorithm is DES-based, not 3DES-based.  It does use
multiple iterations of DES, in a manner very vaguely reminiscent of
3DES, but it's not really fair to call it 3DES-based.  (It's also a
slightly mutated DES.)

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