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/*
* 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.
*
*
* <<< Description >>>
*/
#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;
};
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 , struct krb5int_fast_request_state *state);
krb5_error_code krb5int_fast_as_armor
(krb5_context context, struct krb5int_fast_request_state *state,
krb5_gic_opt_ext *opte,
krb5_kdc_req *request);
krb5_error_code krb5int_fast_reply_key(krb5_context context,
krb5_keyblock *strengthen_key,
krb5_keyblock *existing_key,
krb5_keyblock *output_key);
#endif
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