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/** @file
* IPRT - Crypto - Miscellaneous.
*/
/*
* Copyright (C) 2018-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef IPRT_INCLUDED_crypto_misc_h
#define IPRT_INCLUDED_crypto_misc_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/types.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_rt_crmisc RTCrMisc - Miscellaneous
* @ingroup grp_rt_crypto
* @{
*/
/**
* Get cryptographically strong random bytes.
*
* The buffer will always be filled with random bytes, however only
* on @c VINF_SUCCESS is it guaranteed to be strong random bytes.
*
* @retval VINF_SUCCESS
* @retval VERR_CR_RANDOM_FAILED if insufficient strong random bytes or some similar failure.
* @retval VERR_CR_RANDOM_SETUP_FAILED if setting up strong random failed
* and no strong bytes returned.
*
* @param pvDst Where to return the random bytes.
* @param cbDst How many random bytes to return.
*/
RTDECL(int) RTCrRandBytes(void *pvDst, size_t cbDst);
RTDECL(int) RTCrPkcs5Pbkdf2Hmac(void const *pvInput, size_t cbInput, void const *pvSalt, size_t cbSalt, uint32_t cIterations,
RTDIGESTTYPE enmDigestType, size_t cbKeyLen, void *pvOutput);
/** @} */
RT_C_DECLS_END
#endif /* !IPRT_INCLUDED_crypto_misc_h */
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