1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ 2 /* plugins/preauth/spake/internal.h - SPAKE internal function declarations */ 3 /* 4 * Copyright (C) 2015 by the Massachusetts Institute of Technology. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * * Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 30 * OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef UTIL_H 34 #define UTIL_H 35 36 #include "k5-int.h" 37 #include "groups.h" 38 39 krb5_error_code convert_to_padata(krb5_data *data, krb5_pa_data ***pa_out); 40 41 krb5_error_code update_thash(krb5_context context, groupstate *gstate, 42 int32_t group, krb5_data *thash, 43 const krb5_data *data1, const krb5_data *data2); 44 45 krb5_error_code derive_wbytes(krb5_context context, int32_t group, 46 const krb5_keyblock *ikey, 47 krb5_data *wbytes_out); 48 49 krb5_error_code derive_key(krb5_context context, groupstate *gstate, 50 int32_t group, const krb5_keyblock *ikey, 51 const krb5_data *wbytes, 52 const krb5_data *spakeresult, 53 const krb5_data *thash, const krb5_data *der_req, 54 uint32_t n, krb5_keyblock **out); 55 56 #endif /* UTIL_H */ 57