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/********************************************************************************/
/* */
/* ECC Main */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: CryptEccMain_fp.h 1476 2019-06-10 19:32:03Z 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 CRYPTECCMAIN_FP_H
#define CRYPTECCMAIN_FP_H
void
EccSimulationEnd(
void
);
BOOL
CryptEccInit(
void
);
BOOL
CryptEccStartup(
void
);
void
ClearPoint2B(
TPMS_ECC_POINT *p // IN: the point
);
LIB_EXPORT const ECC_CURVE *
CryptEccGetParametersByCurveId(
TPM_ECC_CURVE curveId // IN: the curveID
);
LIB_EXPORT UINT16
CryptEccGetKeySizeForCurve(
TPM_ECC_CURVE curveId // IN: the curve
);
const ECC_CURVE_DATA *
GetCurveData(
TPM_ECC_CURVE curveId // IN: the curveID
);
const BYTE *
CryptEccGetOID(
TPM_ECC_CURVE curveId
);
LIB_EXPORT TPM_ECC_CURVE
CryptEccGetCurveByIndex(
UINT16 i
);
LIB_EXPORT BOOL
CryptEccGetParameter(
TPM2B_ECC_PARAMETER *out, // OUT: place to put parameter
char p, // IN: the parameter selector
TPM_ECC_CURVE curveId // IN: the curve id
);
TPMI_YES_NO
CryptCapGetECCCurve(
TPM_ECC_CURVE curveID, // IN: the starting ECC curve
UINT32 maxCount, // IN: count of returned curves
TPML_ECC_CURVE *curveList // OUT: ECC curve list
);
const TPMT_ECC_SCHEME *
CryptGetCurveSignScheme(
TPM_ECC_CURVE curveId // IN: The curve selector
);
BOOL
CryptGenerateR(
TPM2B_ECC_PARAMETER *r, // OUT: the generated random value
UINT16 *c, // IN/OUT: count value.
TPMI_ECC_CURVE curveID, // IN: the curve for the value
TPM2B_NAME *name // IN: optional name of a key to
// associate with 'r'
);
UINT16
CryptCommit(
void
);
void
CryptEndCommit(
UINT16 c // IN: the counter value of the commitment
);
BOOL
CryptEccGetParameters(
TPM_ECC_CURVE curveId, // IN: ECC curve ID
TPMS_ALGORITHM_DETAIL_ECC *parameters // OUT: ECC parameters
);
const bignum_t *
BnGetCurvePrime(
TPM_ECC_CURVE curveId
);
const bignum_t *
BnGetCurveOrder(
TPM_ECC_CURVE curveId
);
BOOL
BnIsOnCurve(
pointConst Q,
const ECC_CURVE_DATA *C
);
BOOL
BnIsValidPrivateEcc(
bigConst x, // IN: private key to check
bigCurve E // IN: the curve to check
);
LIB_EXPORT BOOL
CryptEccIsValidPrivateKey(
TPM2B_ECC_PARAMETER *d,
TPM_ECC_CURVE curveId
);
TPM_RC
BnPointMult(
bigPoint R, // OUT: computed point
pointConst S, // IN: optional point to multiply by 'd'
bigConst d, // IN: scalar for [d]S or [d]G
pointConst Q, // IN: optional second point
bigConst u, // IN: optional second scalar
bigCurve E // IN: curve parameters
);
BOOL
BnEccGetPrivate(
bigNum dOut, // OUT: the qualified random value
const ECC_CURVE_DATA *C, // IN: curve for which the private key
#if USE_OPENSSL_FUNCTIONS_EC
const EC_GROUP *G, // IN: the EC_GROUP to use; must be != NULL for rand == NULL
BOOL noLeadingZeros, // IN: require that all bytes in the private key be set
// result may not have leading zero bytes
#endif
// needs to be appropriate
RAND_STATE *rand // IN: state for DRBG
);
BOOL
BnEccGenerateKeyPair(
bigNum bnD, // OUT: private scalar
bn_point_t *ecQ, // OUT: public point
bigCurve E, // IN: curve for the point
RAND_STATE *rand // IN: DRBG state to use
);
LIB_EXPORT TPM_RC
CryptEccNewKeyPair(
TPMS_ECC_POINT *Qout, // OUT: the public point
TPM2B_ECC_PARAMETER *dOut, // OUT: the private scalar
TPM_ECC_CURVE curveId // IN: the curve for the key
);
LIB_EXPORT TPM_RC
CryptEccPointMultiply(
TPMS_ECC_POINT *Rout, // OUT: the product point R
TPM_ECC_CURVE curveId, // IN: the curve to use
TPMS_ECC_POINT *Pin, // IN: first point (can be null)
TPM2B_ECC_PARAMETER *dIn, // IN: scalar value for [dIn]Qin
// the Pin
TPMS_ECC_POINT *Qin, // IN: point Q
TPM2B_ECC_PARAMETER *uIn // IN: scalar value for the multiplier
// of Q
);
LIB_EXPORT BOOL
CryptEccIsPointOnCurve(
TPM_ECC_CURVE curveId, // IN: the curve selector
TPMS_ECC_POINT *Qin // IN: the point.
);
LIB_EXPORT TPM_RC
CryptEccGenerateKey(
TPMT_PUBLIC *publicArea, // IN/OUT: The public area template for
// the new key. The public key
// area will be replaced computed
// ECC public key
TPMT_SENSITIVE *sensitive, // OUT: the sensitive area will be
// updated to contain the private
// ECC key and the symmetric
// encryption key
RAND_STATE *rand // IN: if not NULL, the deterministic
// RNG state
);
// libtpms added begin
LIB_EXPORT BOOL
CryptEccIsCurveRuntimeUsable(
TPMI_ECC_CURVE curveId
);
// libtpms added end
#endif
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