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/********************************************************************************/
/* */
/* Implementation of cryptographic functions for hashing. */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: CryptHash_fp.h 1594 2020-03-26 22:15:48Z 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 - 2020 */
/* */
/********************************************************************************/
#ifndef CRYPTHASH_FP_H
#define CRYPTHASH_FP_H
BOOL
CryptHashInit(
void
);
BOOL
CryptHashStartup(
void
);
PHASH_DEF
CryptGetHashDef(
TPM_ALG_ID hashAlg
);
BOOL
CryptHashIsValidAlg(
TPM_ALG_ID hashAlg,
BOOL flag
);
LIB_EXPORT TPM_ALG_ID
CryptHashGetAlgByIndex(
UINT32 index // IN: the index
);
LIB_EXPORT UINT16
CryptHashGetDigestSize(
TPM_ALG_ID hashAlg // IN: hash algorithm to look up
);
LIB_EXPORT UINT16
CryptHashGetBlockSize(
TPM_ALG_ID hashAlg // IN: hash algorithm to look up
);
LIB_EXPORT const BYTE *
CryptHashGetOid(
TPM_ALG_ID hashAlg
);
TPM_ALG_ID
CryptHashGetContextAlg(
PHASH_STATE state // IN: the context to check
);
LIB_EXPORT void
CryptHashCopyState(
HASH_STATE *out, // OUT: destination of the state
const HASH_STATE *in // IN: source of the state
);
void
CryptHashExportState(
PCHASH_STATE internalFmt, // IN: the hash state formatted for use by
// library
PEXPORT_HASH_STATE externalFmt // OUT: the exported hash state
);
void
CryptHashImportState(
PHASH_STATE internalFmt, // OUT: the hash state formatted for use by
// the library
PCEXPORT_HASH_STATE externalFmt // IN: the exported hash state
);
LIB_EXPORT UINT16
CryptHashStart(
PHASH_STATE hashState, // OUT: the running hash state
TPM_ALG_ID hashAlg // IN: hash algorithm
);
LIB_EXPORT void
CryptDigestUpdate(
PHASH_STATE hashState, // IN: the hash context information
UINT32 dataSize, // IN: the size of data to be added
const BYTE *data // IN: data to be hashed
);
LIB_EXPORT UINT16
CryptHashEnd(
PHASH_STATE hashState, // IN: the state of hash stack
UINT32 dOutSize, // IN: size of digest buffer
BYTE *dOut // OUT: hash digest
);
LIB_EXPORT UINT16
CryptHashBlock(
TPM_ALG_ID hashAlg, // IN: The hash algorithm
UINT32 dataSize, // IN: size of buffer to hash
const BYTE *data, // IN: the buffer to hash
UINT32 dOutSize, // IN: size of the digest buffer
BYTE *dOut // OUT: digest buffer
);
LIB_EXPORT void
CryptDigestUpdate2B(
PHASH_STATE state, // IN: the digest state
const TPM2B *bIn // IN: 2B containing the data
);
LIB_EXPORT UINT16
CryptHashEnd2B(
PHASH_STATE state, // IN: the hash state
P2B digest // IN: the size of the buffer Out: requested
// number of bytes
);
LIB_EXPORT void
CryptDigestUpdateInt(
void *state, // IN: the state of hash stack
UINT32 intSize, // IN: the size of 'intValue' in bytes
UINT64 intValue // IN: integer value to be hashed
);
LIB_EXPORT UINT16
CryptHmacStart(
PHMAC_STATE state, // IN/OUT: the state buffer
TPM_ALG_ID hashAlg, // IN: the algorithm to use
UINT16 keySize, // IN: the size of the HMAC key
const BYTE *key // IN: the HMAC key
);
LIB_EXPORT UINT16
CryptHmacEnd(
PHMAC_STATE state, // IN: the hash state buffer
UINT32 dOutSize, // IN: size of digest buffer
BYTE *dOut // OUT: hash digest
);
LIB_EXPORT UINT16
CryptHmacStart2B(
PHMAC_STATE hmacState, // OUT: the state of HMAC stack. It will be used
// in HMAC update and completion
TPMI_ALG_HASH hashAlg, // IN: hash algorithm
P2B key // IN: HMAC key
);
LIB_EXPORT UINT16
CryptHmacEnd2B(
PHMAC_STATE hmacState, // IN: the state of HMAC stack
P2B digest // OUT: HMAC
);
LIB_EXPORT UINT16
CryptMGF_KDF(
UINT32 mSize, // IN: length of the mask to be produced
BYTE *mask, // OUT: buffer to receive the mask
TPM_ALG_ID hashAlg, // IN: hash to use
UINT32 seedSize, // IN: size of the seed
BYTE *seed, // IN: seed size
UINT32 counter // IN: counter initial value
);
LIB_EXPORT UINT16
CryptKDFa(
TPM_ALG_ID hashAlg, // IN: hash algorithm used in HMAC
const TPM2B *key, // IN: HMAC key
const TPM2B *label, // IN: a label for the KDF
const TPM2B *contextU, // IN: context U
const TPM2B *contextV, // IN: context V
UINT32 sizeInBits, // IN: size of generated key in bits
BYTE *keyStream, // OUT: key buffer
UINT32 *counterInOut, // IN/OUT: caller may provide the iteration
UINT16 blocks // IN: If non-zero, this is the maximum number
);
LIB_EXPORT UINT16
CryptKDFe(
TPM_ALG_ID hashAlg, // IN: hash algorithm used in HMAC
TPM2B *Z, // IN: Z
const TPM2B *label, // IN: a label value for the KDF
TPM2B *partyUInfo, // IN: PartyUInfo
TPM2B *partyVInfo, // IN: PartyVInfo
UINT32 sizeInBits, // IN: size of generated key in bits
BYTE *keyStream // OUT: key buffer
);
#endif
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