Stanford's Dan Boneh has written about this quite a bit: http://crypto.stanford.edu/~dabo/pubs/abstracts/pwdhash.html http://crypto.stanford.edu/~dabo/pubs/abst

Stanford's Dan Boneh has written about this quite a bit: http://crypto.stanford.edu/~dabo/pubs/abstracts/pwdhash.html http://crypto.stanford.edu/~dabo/pubs/abstracts/pwdhash.html http://crypto.stanford.edu/~dabo/pubs/abstracts/passwordmgr.html http://crypto.stanford.edu/~dabo/pubs/abstracts/passwordmgr....