39dfe57 Add client side support to set allowed enctypes

Authored and Committed by simo 11 years ago
    Add client side support to set allowed enctypes
    
    When using remote credentials, intercept set_cred_option calls and
    register an option into the existing set of crdentials with the
    request to set allowed entypes at the first use of said crdentials.
    
    Signed-off-by: Simo Sorce <simo@redhat.com>
    Reviewed-by: Günther Deschner <gdeschner@redhat.com>