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/********************************************************************************/
/* */
/* TPM to OpenSSL BigNum Shim Layer */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: TpmToOsslMath_fp.h 1519 2019-11-15 20:43:51Z 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 - 2019 */
/* */
/********************************************************************************/
#ifndef TPMTOOSSLMATH_FP_H
#define TPMTOOSSLMATH_FP_H
#include <openssl/bn.h>
BOOL
OsslToTpmBn(
bigNum bn,
const BIGNUM *osslBn // libtpms added 'const'
);
BIGNUM *
BigInitialized(
BIGNUM *toInit,
bigConst initializer
);
// libtpms added begin
EC_POINT *
EcPointInitialized(
pointConst initializer,
bigCurve E
);
// libtpms added end
LIB_EXPORT BOOL
BnModMult(
bigNum result,
bigConst op1,
bigConst op2,
bigConst modulus
);
LIB_EXPORT BOOL
BnMult(
bigNum result,
bigConst multiplicand,
bigConst multiplier
);
LIB_EXPORT BOOL
BnDiv(
bigNum quotient,
bigNum remainder,
bigConst dividend,
bigConst divisor
);
LIB_EXPORT BOOL
BnGcd(
bigNum gcd, // OUT: the common divisor
bigConst number1, // IN:
bigConst number2 // IN:
);
LIB_EXPORT BOOL
BnModExp(
bigNum result, // OUT: the result
bigConst number, // IN: number to exponentiate
bigConst exponent, // IN:
bigConst modulus // IN:
);
LIB_EXPORT BOOL
BnModInverse(
bigNum result,
bigConst number,
bigConst modulus
);
bigCurve
BnCurveInitialize(
bigCurve E, // IN: curve structure to initialize
TPM_ECC_CURVE curveId // IN: curve identifier
);
LIB_EXPORT BOOL
BnEccModMult(
bigPoint R, // OUT: computed point
pointConst S, // IN: point to multiply by 'd' (optional)
bigConst d, // IN: scalar for [d]S
bigCurve E
);
LIB_EXPORT BOOL
BnEccModMult2(
bigPoint R, // OUT: computed point
pointConst S, // IN: optional point
bigConst d, // IN: scalar for [d]S or [d]G
pointConst Q, // IN: second point
bigConst u, // IN: second scalar
bigCurve E // IN: curve
);
LIB_EXPORT BOOL
BnEccAdd(
bigPoint R, // OUT: computed point
pointConst S, // IN: point to multiply by 'd'
pointConst Q, // IN: second point
bigCurve E // IN: curve
);
#endif
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