Robert Connolly wrote:
> The md5 salt detection is really simple, from openssh's md5crypt.c. Blowfish 
> salt detection should be no problem, but adding openssl blowfish encryption 
> might take a little longer.
Have you tested for backwards compatibility with already generated DES 
and MD5 passwords?

I've looked into exact same thing, but I've given up for not enough will 
to emulate blowfish crypt with openssl. And, oh, crypt()'s way of 
computing MD5 is not very straightforward, maybe they wanted to increase 
security. If you find it reasonable, it would be nice to have same fun 
with sha1 and others as well.
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