1 /* Microsoft Reference Implementation for TPM 2.0
2  *
3  *  The copyright in this software is being made available under the BSD License,
4  *  included below. This software may be subject to other third party and
5  *  contributor rights, including patent rights, and no such rights are granted
6  *  under this license.
7  *
8  *  Copyright (c) Microsoft Corporation
9  *
10  *  All rights reserved.
11  *
12  *  BSD License
13  *
14  *  Redistribution and use in source and binary forms, with or without modification,
15  *  are permitted provided that the following conditions are met:
16  *
17  *  Redistributions of source code must retain the above copyright notice, this list
18  *  of conditions and the following disclaimer.
19  *
20  *  Redistributions in binary form must reproduce the above copyright notice, this
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23  *
24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
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34  */
35 
36 //** Introduction
37 // This file contains the structure definitions used for ECC in the LibTomCrypt
38 // version of the code. These definitions would change, based on the library.
39 // The ECC-related structures that cross the TPM interface are defined
40 // in TpmTypes.h
41 //
42 
43 #ifndef MATH_LIB_DEFINED
44 #define MATH_LIB_DEFINED
45 
46 #define MATH_LIB_WOLF
47 
48 #if ALG_ECC
49 #define HAVE_ECC
50 #endif
51 
52 #include <wolfssl/wolfcrypt/tfm.h>
53 #include <wolfssl/wolfcrypt/ecc.h>
54 
55 #define MP_VAR(name)                      \
56     mp_int          _##name;                                   \
57     mp_int          *name = MpInitialize(&_##name);
58 
59 // Allocate a mp_int and initialize with the values in a mp_int* initializer
60 #define MP_INITIALIZED(name, initializer)                      \
61     MP_VAR(name);                                              \
62     BnToWolf(name, initializer);
63 
64 #define POINT_CREATE(name, initializer)                   \
65     ecc_point       *name = EcPointInitialized(initializer);
66 
67 #define POINT_DELETE(name)                                \
68     wc_ecc_del_point(name);                               \
69     name = NULL;
70 
71 typedef ECC_CURVE_DATA bnCurve_t;
72 
73 typedef bnCurve_t  *bigCurve;
74 
75 #define AccessCurveData(E)  (E)
76 
77 #define CURVE_INITIALIZED(name, initializer)                        \
78     bnCurve_t      *name = (ECC_CURVE_DATA *)GetCurveData(initializer)
79 
80 #define CURVE_FREE(E)
81 
82 #include "TpmToWolfSupport_fp.h"
83 
84 #define WOLF_ENTER()
85 
86 #define WOLF_LEAVE()
87 
88 // This definition would change if there were something to report
89 #define MathLibSimulationEnd()
90 
91 #endif // MATH_LIB_DEFINED
92