/* Microsoft Reference Implementation for TPM 2.0
 *
 *  The copyright in this software is being made available under the BSD License,
 *  included below. This software may be subject to other third party and
 *  contributor rights, including patent rights, and no such rights are granted
 *  under this license.
 *
 *  Copyright (c) Microsoft Corporation
 *
 *  All rights reserved.
 *
 *  BSD License
 *
 *  Redistribution and use in source and binary forms, with or without modification,
 *  are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this list
 *  of conditions and the following disclaimer.
 *
 *  Redistributions in binary form must reproduce the above copyright notice, this
 *  list of conditions and the following disclaimer in the documentation and/or
 *  other materials provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/*(Auto-generated)
 *  Created by TpmPrototypes; Version 3.0 July 18, 2017
 *  Date: Mar 28, 2019  Time: 08:25:18PM
 */

#ifndef _BN_MEMORY_FP_H_
#define _BN_MEMORY_FP_H_

//*** BnSetTop()
// This function is used when the size of a bignum_t is changed. It
// makes sure that the unused words are set to zero and that any significant
// words of zeros are eliminated from the used size indicator.
LIB_EXPORT bigNum BnSetTop(bigNum        bn,  // IN/OUT: number to clean
                           crypt_uword_t top  // IN: the new top
);

//*** BnClearTop()
// This function will make sure that all unused words are zero.
LIB_EXPORT bigNum BnClearTop(bigNum bn);

//*** BnInitializeWord()
// This function is used to initialize an allocated bigNum with a word value. The
// bigNum does not have to be allocated with a single word.
LIB_EXPORT bigNum BnInitializeWord(bigNum        bn,         // IN:
                                   crypt_uword_t allocated,  // IN:
                                   crypt_uword_t word        // IN:
);

//*** BnInit()
// This function initializes a stack allocated bignum_t. It initializes
// 'allocated' and 'size' and zeros the words of 'd'.
LIB_EXPORT bigNum BnInit(bigNum bn, crypt_uword_t allocated);

//*** BnCopy()
// Function to copy a bignum_t. If the output is NULL, then
// nothing happens. If the input is NULL, the output is set
// to zero.
LIB_EXPORT BOOL BnCopy(bigNum out, bigConst in);
#if ALG_ECC

//*** BnPointCopy()
// Function to copy a bn point.
LIB_EXPORT BOOL BnPointCopy(bigPoint pOut, pointConst pIn);

//*** BnInitializePoint()
// This function is used to initialize a point structure with the addresses
// of the coordinates.
LIB_EXPORT bn_point_t* BnInitializePoint(
    bigPoint p,  // OUT: structure to receive pointers
    bigNum   x,  // IN: x coordinate
    bigNum   y,  // IN: y coordinate
    bigNum   z   // IN: x coordinate
);
#endif  // ALG_ECC

#endif  // _BN_MEMORY_FP_H_
