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/** @file
* IPRT - Crypto - Trust Anchor Format (RFC-5914).
*/
/*
* 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_crypto_taf_h
#define IPRT_INCLUDED_crypto_taf_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/asn1.h>
#include <iprt/crypto/x509.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_rt_crtaf RTCrTaf - Trust Anchor Format (RFC-5914)
* @ingroup grp_rt_crypto
* @{
*/
/**
* RFC-5914 CertPathControls (IPRT representation).
*/
typedef struct RTCRTAFCERTPATHCONTROLS
{
/** Sequence core. */
RTASN1SEQUENCECORE SeqCore;
/** The trust anchor subject. For use in path construction. */
RTCRX509NAME TaName;
/** Certificate, optional, implicit tag 0. */
RTCRX509CERTIFICATE Certificate;
/** Certificate policies, optional, implicit tag 1.
* @remarks This is an ASN.1 SEQUENCE, not an ASN.1 SET as the name
* mistakenly might be taken to indicate. */
RTCRX509CERTIFICATEPOLICIES PolicySet;
/** Policy flags, optional, implicit tag 2. */
RTASN1BITSTRING PolicyFlags;
/** Name constraints, optional, implicit tag 3. */
RTCRX509NAMECONSTRAINTS NameConstr;
/** Path length constraints, optional, implicit tag 4. */
RTASN1INTEGER PathLenConstraint;
} RTCRTAFCERTPATHCONTROLS;
/** Pointer to the IPRT representation of a RFC-5914 CertPathControls. */
typedef RTCRTAFCERTPATHCONTROLS *PRTCRTAFCERTPATHCONTROLS;
/** Pointer to the const IPRT representation of a RFC-5914 CertPathControls. */
typedef RTCRTAFCERTPATHCONTROLS const *PCRTCRTAFCERTPATHCONTROLS;
RTASN1TYPE_STANDARD_PROTOTYPES(RTCRTAFCERTPATHCONTROLS, RTDECL, RTCrTafCertPathControls, SeqCore.Asn1Core);
/** @name Bit definitions for RTCRTAFCERTPATHCONTROL::PolicyFlags
* @{ */
#define RTCRTAFCERTPOLICYFLAGS_INHIBIT_POLICY_MAPPING 0
#define RTCRTAFCERTPOLICYFLAGS_REQUIRE_EXPLICIT_POLICY 1
#define RTCRTAFCERTPOLICYFLAGS_INHIBIT_ANY_POLICY 2
/** @} */
/**
* RFC-5914 TrustAnchorInfo (IPRT representation).
*/
typedef struct RTCRTAFTRUSTANCHORINFO
{
/** Sequence core. */
RTASN1SEQUENCECORE SeqCore;
/** The version number (defaults to v1). */
RTASN1INTEGER Version;
/** The public key of the trust anchor. */
RTCRX509SUBJECTPUBLICKEYINFO PubKey;
/** Key identifier. */
RTASN1OCTETSTRING KeyIdentifier;
/** Trust anchor title, optional, size 1 to 64. */
RTASN1STRING TaTitle;
/** Certificate path controls, optional. */
RTCRTAFCERTPATHCONTROLS CertPath;
/** Extensions, explicit optional, context tag 1. */
struct
{
/** Context tag 1. */
RTASN1CONTEXTTAG1 CtxTag1;
/** The extensions. */
RTCRX509EXTENSIONS Exts;
} T1;
/** Title language tag, implicit optional, context tag 2.
* Defaults to "en". */
RTASN1STRING TaTitleLangTag;
} RTCRTAFTRUSTANCHORINFO;
/** Pointer to the IPRT representation of a RFC-5914 TrustAnchorInfo. */
typedef RTCRTAFTRUSTANCHORINFO *PRTCRTAFTRUSTANCHORINFO;
/** Pointer to the const IPRT representation of a RFC-5914 TrustAnchorInfo. */
typedef RTCRTAFTRUSTANCHORINFO const *PCRTCRTAFTRUSTANCHORINFO;
RTASN1TYPE_STANDARD_PROTOTYPES(RTCRTAFTRUSTANCHORINFO, RTDECL, RTCrTafTrustAnchorInfo, SeqCore.Asn1Core);
/** TrustAnchorInfo version 1. */
#define RTCRTAFTRUSTANCHORINFO_V1 1
/** Indicates what kind of value a TrustAnchorChoice structure contains. */
typedef enum RTCRTAFTRUSTANCHORCHOICEVAL
{
/** Invalid zero value. */
RTCRTAFTRUSTANCHORCHOICEVAL_INVALID = 0,
/** RTCRTAFTRUSTANCHORCHOICE::u.pCertificate. */
RTCRTAFTRUSTANCHORCHOICEVAL_CERTIFICATE,
/** RTCRTAFTRUSTANCHORCHOICE::u.pT1. */
RTCRTAFTRUSTANCHORCHOICEVAL_TBS_CERTIFICATE,
/** RTCRTAFTRUSTANCHORCHOICE::u.pT2. */
RTCRTAFTRUSTANCHORCHOICEVAL_TRUST_ANCHOR_INFO,
/** End of valid choices. */
RTCRTAFTRUSTANCHORCHOICEVAL_END,
/** Make sure it's (at least) 32-bit wide. */
RTCRTAFTRUSTANCHORCHOICEVAL_32BIT_HACK = 0x7fffffff
} RTCRTAFTRUSTANCHORCHOICEVAL;
/**
* RFC-5914 TrustAnchorChoice (IPRT representation).
*/
typedef struct RTCRTAFTRUSTANCHORCHOICE
{
/** Dummy object for simplifying everything. */
RTASN1DUMMY Dummy;
/** Allocation for the valid member (to optimize space usage). */
RTASN1ALLOCATION Allocation;
/** Indicates which of the pointers are valid. */
RTCRTAFTRUSTANCHORCHOICEVAL enmChoice;
/** Choice union. */
union
{
/** Generic ASN.1 core pointer for the choice. */
PRTASN1CORE pAsn1Core;
/** Choice 0: X509 certificate. */
PRTCRX509CERTIFICATE pCertificate;
/** Choice 1: To-be-signed certificate part. This may differ from the
* TBSCertificate member of the original certificate. */
struct
{
/** Explicit context tag. */
RTASN1CONTEXTTAG1 CtxTag1;
/** Pointer to the TBS certificate structure. */
RTCRX509TBSCERTIFICATE TbsCert;
} *pT1;
/** Choice 2: To-be-signed certificate part. This may differ from the
* TBSCertificate member of the original certificate. */
struct
{
/** Explicit context tag. */
RTASN1CONTEXTTAG2 CtxTag2;
/** Pointer to the trust anchor infomration structure. */
RTCRTAFTRUSTANCHORINFO TaInfo;
} *pT2;
} u;
} RTCRTAFTRUSTANCHORCHOICE;
/** Pointer to the IPRT representation of a RFC-5914 TrustAnchorChoice. */
typedef RTCRTAFTRUSTANCHORCHOICE *PRTCRTAFTRUSTANCHORCHOICE;
/** Pointer to the const IPRT representation of a RFC-5914 TrustAnchorChoice. */
typedef RTCRTAFTRUSTANCHORCHOICE const *PCRTCRTAFTRUSTANCHORCHOICE;
RTASN1TYPE_STANDARD_PROTOTYPES(RTCRTAFTRUSTANCHORCHOICE, RTDECL, RTCrTafTrustAnchorChoice, Dummy.Asn1Core);
/*
* RFC-5914 TrustAnchorList (IPRT representation).
*/
RTASN1_IMPL_GEN_SEQ_OF_TYPEDEFS_AND_PROTOS(RTCRTAFTRUSTANCHORLIST, RTCRTAFTRUSTANCHORCHOICE, RTDECL, RTCrTafTrustAnchorList);
/** @} */
RT_C_DECLS_END
#endif /* !IPRT_INCLUDED_crypto_taf_h */
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