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/********************************************************************************/
/* */
/* */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: BnMath_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 BNMATH_FP_H
#define BNMATH_FP_H
LIB_EXPORT BOOL
BnAdd(
bigNum result,
bigConst op1,
bigConst op2
);
LIB_EXPORT BOOL
BnAddWord(
bigNum result,
bigConst op,
crypt_uword_t word
);
LIB_EXPORT BOOL
BnSub(
bigNum result,
bigConst op1,
bigConst op2
);
LIB_EXPORT BOOL
BnSubWord(
bigNum result,
bigConst op,
crypt_uword_t word
);
LIB_EXPORT int
BnUnsignedCmp(
bigConst op1,
bigConst op2
);
LIB_EXPORT int
BnUnsignedCmpWord(
bigConst op1,
crypt_uword_t word
);
LIB_EXPORT crypt_word_t
BnModWord(
bigConst numerator,
crypt_word_t modulus
);
LIB_EXPORT int
Msb(
crypt_uword_t word
);
LIB_EXPORT int
BnMsb(
bigConst bn
);
LIB_EXPORT unsigned
BnSizeInBits(
bigConst n
);
LIB_EXPORT bigNum
BnSetWord(
bigNum n,
crypt_uword_t w
);
LIB_EXPORT BOOL
BnSetBit(
bigNum bn, // IN/OUT: big number to modify
unsigned int bitNum // IN: Bit number to SET
);
LIB_EXPORT BOOL
BnTestBit(
bigNum bn, // IN: number to check
unsigned int bitNum // IN: bit to test
);
LIB_EXPORT BOOL
BnMaskBits(
bigNum bn, // IN/OUT: number to mask
crypt_uword_t maskBit // IN: the bit number for the mask.
);
LIB_EXPORT BOOL
BnShiftRight(
bigNum result,
bigConst toShift,
uint32_t shiftAmount
);
LIB_EXPORT BOOL
BnGetRandomBits(
bigNum n,
size_t bits,
RAND_STATE *rand
);
LIB_EXPORT BOOL
BnGenerateRandomInRange(
bigNum dest,
bigConst limit,
RAND_STATE *rand
);
// libtpms added begin
LIB_EXPORT BOOL
BnGenerateRandomInRangeAllBytes(
bigNum dest,
bigConst limit,
RAND_STATE *rand
);
// libtpms added end
#endif
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