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Diffstat (limited to 'src/tpm2/SupportLibraryFunctionPrototypes_fp.h')
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1 files changed, 156 insertions, 0 deletions
diff --git a/src/tpm2/SupportLibraryFunctionPrototypes_fp.h b/src/tpm2/SupportLibraryFunctionPrototypes_fp.h new file mode 100644 index 0000000..3b1e1a9 --- /dev/null +++ b/src/tpm2/SupportLibraryFunctionPrototypes_fp.h @@ -0,0 +1,156 @@ +/********************************************************************************/ +/* */ +/* For Selected Math Library */ +/* Written by Ken Goldman */ +/* IBM Thomas J. Watson Research Center */ +/* $Id: SupportLibraryFunctionPrototypes_fp.h 1529 2019-11-21 23:29:01Z 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 SUPPORT_LIBRARY_FUNCTION_PROTOTYPES_H +#define SUPPORT_LIBRARY_FUNCTION_PROTOTYPES_H + +/* 10.1.11 SupportLibraryFunctionPrototypes_fp.h */ +/* 10.1.11.1 Introduction */ + +/* This file contains the function prototypes for the functions that need to be present in the + selected math library. For each function listed, there should be a small stub function. That + stub provides the interface between the TPM code and the support library. In most cases, the stub + function will only need to do a format conversion between the TPM big number and the support + library big number. The TPM big number format was chosen to make this relatively simple and + fast. */ + + +/* 10.1.11.2 SupportLibInit() */ +/* This function is called by CryptInit() so that necessary initializations can be performed on the + cryptographic library. */ + + +LIB_EXPORT +int SupportLibInit(void); + + +/* 10.1.11.3 MathLibraryCompatibililtyCheck() */ +/* This function is only used during development to make sure that the library that is being + referenced is using the same size of data structures as the TPM. */ + +BOOL +MathLibraryCompatibilityCheck( + void + ); +/* 10.1.1114 BnModMult() */ +/* Does multiply op1 * op2 and divide by modulus returning the remainder of the divide. */ + +LIB_EXPORT BOOL +BnModMult(bigNum result, bigConst op1, bigConst op2, bigConst modulus); + +/* 10.1.11.5 BnMult() */ +/* Multiplies two numbers and returns the result */ + +LIB_EXPORT BOOL BnMult(bigNum result, bigConst multiplicand, bigConst multiplier); + +/* 10.1.11.6 BnDiv() */ +/* This function divides two bigNum values. The function returns FALSE if there is an error in the + operation. */ +LIB_EXPORT BOOL BnDiv(bigNum quotient, bigNum remainder, + bigConst dividend, bigConst divisor); + +/* 10.1.11.7 BnMod() */ +#define BnMod(a, b) BnDiv(NULL, (a), (a), (b)) + +/* 10.1.11.8 BnGcd() */ +/* Get the greatest common divisor of two numbers. This function is only needed when the TPM + implements RSA. */ +LIB_EXPORT BOOL BnGcd(bigNum gcd, bigConst number1, bigConst number2); + +/* 10.1.11.9 BnModExp() */ +/* Do modular exponentiation using bigNum values. This function is only needed when the TPM + implements RSA. */ +LIB_EXPORT BOOL BnModExp(bigNum result, bigConst number, + bigConst exponent, bigConst modulus); + +/* 10.1.11.10 BnModInverse() */ +/* Modular multiplicative inverse. This function is only needed when the TPM implements RSA. */ +LIB_EXPORT BOOL BnModInverse(bigNum result, bigConst number, + bigConst modulus); + +/* 10.1.11.11 BnEccModMult() */ +/* This function does a point multiply of the form R = [d]S. A return of FALSE indicates that the + result was the point at infinity. This function is only needed if the TPM supports ECC. */ +LIB_EXPORT BOOL BnEccModMult(bigPoint R, pointConst S, bigConst d, bigCurve E); + +/* 10.1.11.13 BnEccModMult2() */ +/* This function does a point multiply of the form R = [d]S + [u]Q. A return of FALSE indicates that + the result was the point at infinity. This function is only needed if the TPM supports ECC */ +LIB_EXPORT BOOL BnEccModMult2(bigPoint R, pointConst S, bigConst d, + pointConst Q, bigConst u, bigCurve E); + +/* 10.1.11.14 BnEccAdd() */ +/* This function does a point add R = S + Q. A return of FALSE indicates that the result was the + point at infinity. This function is only needed if the TPM supports ECC. */ +LIB_EXPORT BOOL BnEccAdd(bigPoint R, pointConst S, pointConst Q, bigCurve E); + +/* 10.1.11.15 BnCurveInitialize() */ +/* This function is used to initialize the pointers of a bnCurve_t structure. The structure is a set + of pointers to bigNum values. The curve-dependent values are set by a different function. This + function is only needed if the TPM supports ECC.*/ +LIB_EXPORT bigCurve BnCurveInitialize(bigCurve E, TPM_ECC_CURVE curveId); + +/* 10.1.11.16 BnCurveFree() */ +/* This function will free the allocated components of the curve and end the frame in which the + curve data exists */ +LIB_EXPORT void BnCurveFree(bigCurve E); + +#endif |