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/* $Id: key-internal.h $ */
/** @file
* IPRT - Crypto - Cryptographic Keys, Internal Header.
*/
/*
* Copyright (C) 2006-2023 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_SRC_common_crypto_key_internal_h
#define IPRT_INCLUDED_SRC_common_crypto_key_internal_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/crypto/key.h>
#include <iprt/bignum.h>
/**
* Cryptographic key - core bits.
*/
typedef struct RTCRKEYINT
{
/** Magic value (RTCRKEYINT_MAGIC). */
uint32_t u32Magic;
/** Reference counter. */
uint32_t volatile cRefs;
/** The key type. */
RTCRKEYTYPE enmType;
/** Flags, RTCRKEYINT_F_XXX. */
uint32_t fFlags;
/** Number of bits in the key. */
uint32_t cBits;
/** Type specific data. */
union
{
/** RTCRKEYTYPE_RSA_PRIVATE. */
struct
{
/** The modulus. */
RTBIGNUM Modulus;
/** The private exponent. */
RTBIGNUM PrivateExponent;
/** The public exponent. */
RTBIGNUM PublicExponent;
/** @todo add more bits as needed. */
} RsaPrivate;
/** RTCRKEYTYPE_RSA_PUBLIC. */
struct
{
/** The modulus. */
RTBIGNUM Modulus;
/** The exponent. */
RTBIGNUM Exponent;
} RsaPublic;
/** RTCRKEYTYPE_ECDSA_PUBLIC. */
struct
{
/** The named curve. */
RTASN1OBJID NamedCurve;
/** @todo ECPoint. */
} EcdsaPublic;
} u;
#if defined(IPRT_WITH_OPENSSL)
/** Size of raw key copy. */
uint32_t cbEncoded;
/** Raw copy of the key, for openssl and such.
* If sensitive, this is a safer allocation, otherwise it follows the structure. */
uint8_t *pbEncoded;
#endif
} RTCRKEYINT;
/** Pointer to a crypographic key. */
typedef RTCRKEYINT *PRTCRKEYINT;
/** Pointer to a const crypographic key. */
typedef RTCRKEYINT const *PCRTCRKEYINT;
/** @name RTCRKEYINT_F_XXX.
* @{ */
/** Key contains sensitive information, so no unnecessary copies. */
#define RTCRKEYINT_F_SENSITIVE UINT32_C(0x00000001)
/** Set if private key bits are present. */
#define RTCRKEYINT_F_PRIVATE UINT32_C(0x00000002)
/** Set if public key bits are present. */
#define RTCRKEYINT_F_PUBLIC UINT32_C(0x00000004)
/** Set if the cbEncoded/pbEncoded members are present. */
#define RTCRKEYINT_F_INCLUDE_ENCODED UINT32_C(0x00000008)
/** @} */
DECLHIDDEN(int) rtCrKeyCreateWorker(PRTCRKEYINT *ppThis, RTCRKEYTYPE enmType, uint32_t fFlags,
void const *pvEncoded, uint32_t cbEncoded);
DECLHIDDEN(int) rtCrKeyCreateRsaPublic(PRTCRKEY phKey, const void *pvKeyBits, uint32_t cbKeyBits,
PRTERRINFO pErrInfo, const char *pszErrorTag);
DECLHIDDEN(int) rtCrKeyCreateRsaPrivate(PRTCRKEY phKey, const void *pvKeyBits, uint32_t cbKeyBits,
PRTERRINFO pErrInfo, const char *pszErrorTag);
DECLHIDDEN(int) rtCrKeyCreateEcdsaPublic(PRTCRKEY phKey, PCRTASN1DYNTYPE pParameters,
const void *pvKeyBits, uint32_t cbKeyBits, PRTERRINFO pErrInfo, const char *pszErrorTag);
#endif /* !IPRT_INCLUDED_SRC_common_crypto_key_internal_h */
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