Hi Jason,
Sorry, currently there is no way to adjust the salt size or "fine tune"
any of the password storage schemes.
Regards,
Mark
On 5/29/24 12:05 PM, Jason Borden via FreeIPA-users wrote:
Greetings all,
I'm pretty new to FreeIPA and would like to know if I can adjust the salt size
generated by FreeIPA when using CRYPT-SHA512 as the passwordStorageScheme.
After modifying the cn=config to use CRYPT-SHA512 passwords by default, new
passwords are correctly generated using CRYPT-SHA512, however the size of the
salt is tiny (only 2 base64 chars or about 12bits). I'd really like to
configure FreeIPA to generate a larger salt, but I'm not sure if that's
possible.
Just for background on why I've chosen to use CRYPT-SHA512 instead of the
standard PBKDF2-SHA256 is because I intend to sync the password hashes in
FreeIPA to a system we have that neither supports LDAP or Kerberos:
postfixadmin. Postfixadmin supports CRYPT-SHA512 hashes but not PBKDF2-SHA256.
Thanks,
Jason
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