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/********************************************************************************/
/* */
/* */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: BnConvert_fp.h 809 2016-11-16 18:31:54Z kgoldman $ */
/* */
/* Licenses and Notices */
/* */
/* 1. Copyright Licenses: */
/* */
/* - Trusted Computing Group (TCG) grants to the user of the source code in */
/* this specification (the "Source Code") a worldwide, irrevocable, */
/* nonexclusive, royalty free, copyright license to reproduce, create */
/* derivative works, distribute, display and perform the Source Code and */
/* derivative works thereof, and to grant others the rights granted herein. */
/* */
/* - The TCG grants to the user of the other parts of the specification */
/* (other than the Source Code) the rights to reproduce, distribute, */
/* display, and perform the specification solely for the purpose of */
/* developing products based on such documents. */
/* */
/* 2. Source Code Distribution Conditions: */
/* */
/* - Redistributions of Source Code must retain the above copyright licenses, */
/* this list of conditions and the following disclaimers. */
/* */
/* - Redistributions in binary form must reproduce the above copyright */
/* licenses, this list of conditions and the following disclaimers in the */
/* documentation and/or other materials provided with the distribution. */
/* */
/* 3. Disclaimers: */
/* */
/* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */
/* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */
/* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */
/* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */
/* Contact TCG Administration (admin@trustedcomputinggroup.org) for */
/* information on specification licensing rights available through TCG */
/* membership agreements. */
/* */
/* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */
/* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */
/* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */
/* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */
/* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */
/* */
/* - Without limitation, TCG and its members and licensors disclaim all */
/* liability, including liability for infringement of any proprietary */
/* rights, relating to use of information in this specification and to the */
/* implementation of this specification, and TCG disclaims all liability for */
/* cost of procurement of substitute goods or services, lost profits, loss */
/* of use, loss of data or any incidental, consequential, direct, indirect, */
/* or special damages, whether under contract, tort, warranty or otherwise, */
/* arising in any way out of use or reliance upon this specification or any */
/* information herein. */
/* */
/* (c) Copyright IBM Corp. and others, 2016 */
/* */
/********************************************************************************/
#ifndef BNCONVERT_FP_H
#define BNCONVERT_FP_H
LIB_EXPORT bigNum
BnFromBytes(
bigNum bn,
const BYTE *bytes,
NUMBYTES nBytes
);
LIB_EXPORT bigNum
BnFrom2B(
bigNum bn, // OUT:
const TPM2B *a2B // IN: number to convert
);
LIB_EXPORT bigNum
BnFromHex(
bigNum bn, // OUT:
const char *hex // IN:
);
LIB_EXPORT BOOL
BnToBytes(
bigConst bn,
BYTE *buffer,
NUMBYTES *size // This the number of bytes that are
// available in the buffer. The result
// should be this big.
);
LIB_EXPORT BOOL
BnTo2B(
bigConst bn, // IN:
TPM2B *a2B, // OUT:
NUMBYTES size // IN: the desired size
);
LIB_EXPORT bn_point_t *
BnPointFrom2B(
bigPoint ecP, // OUT: the preallocated point structure
TPMS_ECC_POINT *p // IN: the number to convert
);
LIB_EXPORT BOOL
BnPointTo2B(
TPMS_ECC_POINT *p, // OUT: the converted 2B structure
bigPoint ecP, // IN: the values to be converted
bigCurve E // IN: curve descriptor for the point
);
#endif
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