TPMCmd/tpm/include/prototypes/BnMemory_fp.h

/* Microsoft Reference Implementation for TPM 2.0
 *
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 *  are permitted provided that the following conditions are met:
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 *  of conditions and the following disclaimer.
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/*(Auto)
    Automatically Generated by TpmPrototypes version 2.2 February 10, 2016 
    Date: Sep  9, 2016 Time: 01:03:57 PM  
*/

#ifndef    _BNMEMORY_FP_H_
#define    _BNMEMORY_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
    );

#ifdef TPM_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 // TPM_ALG_ECC


#endif  // _BNMEMORY_FP_H_