040000 tree aaeb14554f6338098cbcf5eed617cffff8f62e13	mech_dh
040000 tree 2f2457e449685525ba5f159b4c78669ba8ef3167	mech_dummy
040000 tree 5b2077bbdb95ff644614efb07c6f74d72a35c018	mech_krb5
040000 tree 997f19ca68154a48a977f5301c201729a3583bd7	mech_spnego