[Fedora-directory-users] {CRYPT} or {crypt}

[basile]

hi
we have a fedora directory server in which there are stored password
{CRYPT}hdfflkdf and others {crypt}bqbqsbqsd
no problem for ldap but there is a radius server which authenticate
users through ldap and which is case
sensitive
is there recommandation to use CRYPT or crypt
thanks
basile