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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/krb5/krb/fast.h */
/*
* Copyright (C) 2009 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#ifndef KRB_FAST_H
#define KRB_FAST_H
#include <k5-int.h>
struct krb5int_fast_request_state {
krb5_kdc_req fast_outer_request;
krb5_keyblock *armor_key; /*non-null means fast is in use*/
krb5_fast_armor *armor;
krb5_ui_4 fast_state_flags;
krb5_ui_4 fast_options;
krb5_int32 nonce;
};
#define KRB5INT_FAST_DO_FAST (1l<<0) /* Perform FAST */
#define KRB5INT_FAST_ARMOR_AVAIL (1l<<1)
krb5_error_code
krb5int_fast_prep_req_body(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_kdc_req *request,
krb5_data **encoded_req_body);
typedef krb5_error_code (*kdc_req_encoder_proc)(const krb5_kdc_req *,
krb5_data **);
krb5_error_code
krb5int_fast_prep_req(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_kdc_req *request,
const krb5_data *to_be_checksummed,
kdc_req_encoder_proc encoder,
krb5_data **encoded_request);
krb5_error_code
krb5int_fast_process_error(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_error **err_replyptr,
krb5_pa_data ***out_padata,
krb5_boolean *retry);
krb5_error_code
krb5int_fast_process_response(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_kdc_rep *resp,
krb5_keyblock **strengthen_key);
krb5_error_code
krb5int_fast_make_state(krb5_context context,
struct krb5int_fast_request_state **state);
void
krb5int_fast_free_state(krb5_context context,
struct krb5int_fast_request_state *state);
krb5_error_code
krb5int_fast_as_armor(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_get_init_creds_opt *opt, krb5_kdc_req *request);
krb5_error_code
krb5int_fast_reply_key(krb5_context context,
const krb5_keyblock *strengthen_key,
const krb5_keyblock *existing_key, krb5_keyblock *output_key);
krb5_error_code
krb5int_fast_verify_nego(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_kdc_rep *rep, krb5_data *request,
krb5_keyblock *decrypting_key,
krb5_boolean *fast_avail);
krb5_boolean
krb5int_upgrade_to_fast_p(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_pa_data **padata);
krb5_error_code
krb5int_fast_tgs_armor(krb5_context context,
struct krb5int_fast_request_state *state,
krb5_keyblock *subkey,
krb5_keyblock *session_key,
krb5_ccache ccache,
krb5_data *target_realm);
#endif
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