- key_opaque_set_alg_usage(): set alg/usage in loop
- key_opaque_set_alg_usage(): add key paramteter to set default alg/usage if it is not specified by command line parameters
- unify default alg/usage for client and server
- optimize opaque code on client and server side
Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>