<div dir="ltr">By salted passwords using SHA1, do you mean something like:<div><br></div><div>hash(salt + password) ?</div><div><br></div><div>If yes, hashes like SHA for example, were designed to be fast and can be broken with much less computational power than BCrypt, PBKDF2 or Scrypt for example.</div><div><br></div><div><br><div class="gmail_quote"><div dir="ltr">On Tue, Nov 17, 2015 at 1:07 PM Kunal K <<a href="mailto:kunal@plivo.com">kunal@plivo.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi all,<div><br></div><div>I would like to start a discussion on how to implement - <a href="https://issues.jboss.org/browse/KEYCLOAK-1900" target="_blank">https://issues.jboss.org/browse/KEYCLOAK-1900</a></div><div><br></div><div>I have a django web app and all of my users are in a postgres database with salted passwords hashed using SHA. I have been reading how I can use UserFederation to implement by own credential validation, but the drawback here would be that I'll have to keep maintaining my old database.</div><div><br></div><div>For starters, I was thinking of replacing all occurrences of Pbkdf2PasswordEncoder with an equivalent SHAPasswordEncoder, which is a very crude approach and I'm not sure if it will even work. After some bit of reading I saw this ticket - <a href="https://issues.jboss.org/browse/KEYCLOAK-1900" target="_blank">https://issues.jboss.org/browse/KEYCLOAK-1900</a></div><div><br></div><div>I would like to implement a custom hashing SPI and would love to get some pointers on how to go about it.</div><div><br></div><div>Thanks</div>
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