krb5_get_encryption_key
krb5_get_encryption_key(struct krb5_key_state *basekey, int usage);
kc->kc_send_seal_Ke = krb5_get_encryption_key(key,
kc->kc_recv_seal_Ke = krb5_get_encryption_key(key,
kc->kc_send_seal_Ke = krb5_get_encryption_key(key,
kc->kc_recv_seal_Ke = krb5_get_encryption_key(key,