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 21 * list of conditions and the following disclaimer in the documentation and/or 22 * other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS"" 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 28 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 31 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 /*(Auto-generated) 36 * Created by TpmPrototypes; Version 3.0 July 18, 2017 37 * Date: Mar 28, 2019 Time: 08:25:18PM 38 */ 39 40 #ifndef _BN_MEMORY_FP_H_ 41 #define _BN_MEMORY_FP_H_ 42 43 //*** BnSetTop() 44 // This function is used when the size of a bignum_t is changed. It 45 // makes sure that the unused words are set to zero and that any significant 46 // words of zeros are eliminated from the used size indicator. 47 LIB_EXPORT bigNum 48 BnSetTop( 49 bigNum bn, // IN/OUT: number to clean 50 crypt_uword_t top // IN: the new top 51 ); 52 53 //*** BnClearTop() 54 // This function will make sure that all unused words are zero. 55 LIB_EXPORT bigNum 56 BnClearTop( 57 bigNum bn 58 ); 59 60 //*** BnInitializeWord() 61 // This function is used to initialize an allocated bigNum with a word value. The 62 // bigNum does not have to be allocated with a single word. 63 LIB_EXPORT bigNum 64 BnInitializeWord( 65 bigNum bn, // IN: 66 crypt_uword_t allocated, // IN: 67 crypt_uword_t word // IN: 68 ); 69 70 //*** BnInit() 71 // This function initializes a stack allocated bignum_t. It initializes 72 // 'allocated' and 'size' and zeros the words of 'd'. 73 LIB_EXPORT bigNum 74 BnInit( 75 bigNum bn, 76 crypt_uword_t allocated 77 ); 78 79 //*** BnCopy() 80 // Function to copy a bignum_t. If the output is NULL, then 81 // nothing happens. If the input is NULL, the output is set 82 // to zero. 83 LIB_EXPORT BOOL 84 BnCopy( 85 bigNum out, 86 bigConst in 87 ); 88 #if ALG_ECC 89 90 //*** BnPointCopy() 91 // Function to copy a bn point. 92 LIB_EXPORT BOOL 93 BnPointCopy( 94 bigPoint pOut, 95 pointConst pIn 96 ); 97 98 //*** BnInitializePoint() 99 // This function is used to initialize a point structure with the addresses 100 // of the coordinates. 101 LIB_EXPORT bn_point_t * 102 BnInitializePoint( 103 bigPoint p, // OUT: structure to receive pointers 104 bigNum x, // IN: x coordinate 105 bigNum y, // IN: y coordinate 106 bigNum z // IN: x coordinate 107 ); 108 #endif // ALG_ECC 109 110 #endif // _BN_MEMORY_FP_H_ 111