/********************************************************************************/
/*										*/
/*	Math functions performed with canonical integers in byte buffers	*/
/*			     Written by Ken Goldman				*/
/*		       IBM Thomas J. Watson Research Center			*/
/*            $Id: MathOnByteBuffers_fp.h 1047 2017-07-20 18:27:34Z 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, 2017				*/
/*										*/
/********************************************************************************/

#ifndef MATHONBYTEBUFFERS_FP_H
#define MATHONBYTEBUFFERS_FP_H

LIB_EXPORT int
UnsignedCompareB(
		 UINT32           aSize,         // IN: size of a
		 const BYTE      *a,             // IN: a
		 UINT32           bSize,         // IN: size of b
		 const BYTE      *b              // IN: b
		 );
int
SignedCompareB(
	       const UINT32     aSize,         // IN: size of a
	       const BYTE      *a,             // IN: a buffer
	       const UINT32     bSize,         // IN: size of b
	       const BYTE      *b              // IN: b buffer
	       );
TPM_RC
ModExpB(
	UINT32           cSize,         // IN: the size of the output buffer. It will
	//     need to be the same size as the modulus
	BYTE            *c,             // OUT: the buffer to receive the results
	//     (c->size must be set to the maximum size
	//     for the returned value)
	const UINT32     mSize,
	const BYTE      *m,             // IN: number to exponentiate
	const UINT32     eSize,
	const BYTE      *e,             // IN: power
	const UINT32     nSize,
	const BYTE      *n              // IN: modulus
	);
LIB_EXPORT TPM_RC
DivideB(
	const TPM2B     *n,             // IN: numerator
	const TPM2B     *d,             // IN: denominator
	TPM2B           *q,             // OUT: quotient
	TPM2B           *r              // OUT: remainder
	);
UINT16
AdjustNumberB(
	      TPM2B           *num,
	      UINT16           requestedSize
	      );
TPM2B *
ShiftLeft(
	  TPM2B       *value          // IN/OUT: value to shift and shifted value out
	  );

#endif
