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/********************************************************************************/
/* */
/* DRBG with a behavior according to SP800-90A */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: CryptRand_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 CRYPTRAND_FP_H
#define CRYPTRAND_FP_H
BOOL
DRBG_GetEntropy(
UINT32 requiredEntropy, // IN: requested number of bytes of full
// entropy
BYTE *entropy // OUT: buffer to return collected entropy
);
void
IncrementIv(
DRBG_IV *iv
);
BOOL
DRBG_Reseed(
DRBG_STATE *drbgState, // IN: the state to update
DRBG_SEED *providedEntropy, // IN: entropy
DRBG_SEED *additionalData // IN:
);
BOOL
DRBG_SelfTest(
void
);
LIB_EXPORT TPM_RC
CryptRandomStir(
UINT16 additionalDataSize,
BYTE *additionalData
);
LIB_EXPORT UINT16
CryptRandomGenerate(
UINT16 randomSize,
BYTE *buffer
);
LIB_EXPORT BOOL
DRBG_InstantiateSeededKdf(
KDF_STATE *state, // IN: buffer to hold the state
TPM_ALG_ID hashAlg, // IN: hash algorithm
TPM_ALG_ID kdf, // IN: the KDF to use
TPM2B *seed, // IN: the seed to use
const TPM2B *label, // IN: a label for the generation process.
TPM2B *context, // IN: the context value
UINT32 limit // IN: Maximum number of bits from the KDF
);
LIB_EXPORT void
DRBG_AdditionalData(
DRBG_STATE *drbgState, // IN:OUT state to update
TPM2B *additionalData // IN: value to incorporate
);
LIB_EXPORT TPM_RC
DRBG_InstantiateSeeded(
DRBG_STATE *drbgState, // IN: buffer to hold the state
const TPM2B *seed, // IN: the seed to use
const TPM2B *purpose, // IN: a label for the generation process.
const TPM2B *name, // IN: name of the object
const TPM2B *additional, // IN: additional data
SEED_COMPAT_LEVEL seedCompatLevel// IN: compatibility level (associated with seed); libtpms added
);
LIB_EXPORT BOOL
CryptRandStartup(
void
);
LIB_EXPORT BOOL
CryptRandInit(
void
);
LIB_EXPORT UINT16
DRBG_Generate(
RAND_STATE *state,
BYTE *random, // OUT: buffer to receive the random values
UINT16 randomSize // IN: the number of bytes to generate
);
// libtpms added begin
LIB_EXPORT SEED_COMPAT_LEVEL
DRBG_GetSeedCompatLevel(
RAND_STATE *state // IN
);
// libtpms added end
LIB_EXPORT BOOL
DRBG_Instantiate(
DRBG_STATE *drbgState, // OUT: the instantiated value
UINT16 pSize, // IN: Size of personalization string
BYTE *personalization // IN: The personalization string
);
LIB_EXPORT TPM_RC
DRBG_Uninstantiate(
DRBG_STATE *drbgState // IN/OUT: working state to erase
);
LIB_EXPORT NUMBYTES
CryptRandMinMax(
BYTE *out,
UINT32 max,
UINT32 min,
RAND_STATE *rand
);
#endif
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