openbsd bcrypt

[Nikos Mavroyanopoulos]

Sto http://members.hellug.gr/nmav/pam-0.72-module-unix-bcrypt.diff.gz
ebala ena patch gia to pam to opoio tou dinei tin dynatotita gia na
diabasei kai na grapsei blowfish encoded passwords (pou xrisimopoiei to openbsd).
Den to exw testarei me openbsd systima, alla me to john cracker (diladi mporei kai
ta briskei)...
Gia na leitourgisei aplws prosthetete to bcrypt (ekei pou tha empaine
to md5), kai to cost=x (x=6...31). Den einai testarismeno katholou,
gi'auto kathe voitheia kalodexoumeni (idiaitera kapoio compatibility test
me to openbsd). 
To pleonektima autou tou encoding einai to cost, to opoio mporei kapoios
na to kathorizei analoga me tin asfaleia pou xreiazetai, kai einai poly
pio meletimeno apo ta des kai md5 encodings.
O algorithmos perigrafetai sto paper: http://www.openbsd.org/papers/bcrypt-paper.ps 

To patch einai gia to directory modules/pam_unix.

-- 
Nikos Mavroyanopoulos


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