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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
/*! \file dns/keyvalues.h */
/*
* Flags field of the KEY RR rdata
*/
#define DNS_KEYFLAG_TYPEMASK 0xC000 /*%< Mask for "type" bits */
#define DNS_KEYTYPE_AUTHCONF 0x0000 /*%< Key usable for both */
#define DNS_KEYTYPE_CONFONLY 0x8000 /*%< Key usable for confidentiality */
#define DNS_KEYTYPE_AUTHONLY 0x4000 /*%< Key usable for authentication */
#define DNS_KEYTYPE_NOKEY 0xC000 /*%< No key usable for either; no key */
#define DNS_KEYTYPE_NOAUTH DNS_KEYTYPE_CONFONLY
#define DNS_KEYTYPE_NOCONF DNS_KEYTYPE_AUTHONLY
#define DNS_KEYFLAG_RESERVED2 0x2000 /*%< reserved - must be zero */
#define DNS_KEYFLAG_EXTENDED 0x1000 /*%< key has extended flags */
#define DNS_KEYFLAG_RESERVED4 0x0800 /*%< reserved - must be zero */
#define DNS_KEYFLAG_RESERVED5 0x0400 /*%< reserved - must be zero */
#define DNS_KEYFLAG_OWNERMASK 0x0300 /*%< these bits determine the type */
#define DNS_KEYOWNER_USER 0x0000 /*%< key is assoc. with user */
#define DNS_KEYOWNER_ENTITY 0x0200 /*%< key is assoc. with entity eg host */
#define DNS_KEYOWNER_ZONE 0x0100 /*%< key is zone key */
#define DNS_KEYOWNER_RESERVED 0x0300 /*%< reserved meaning */
#define DNS_KEYFLAG_REVOKE 0x0080 /*%< key revoked (per rfc5011) */
#define DNS_KEYFLAG_RESERVED9 0x0040 /*%< reserved - must be zero */
#define DNS_KEYFLAG_RESERVED10 0x0020 /*%< reserved - must be zero */
#define DNS_KEYFLAG_RESERVED11 0x0010 /*%< reserved - must be zero */
#define DNS_KEYFLAG_SIGNATORYMASK \
0x000F /*%< key can sign RR's of same name \
*/
#define DNS_KEYFLAG_RESERVEDMASK \
(DNS_KEYFLAG_RESERVED2 | DNS_KEYFLAG_RESERVED4 | \
DNS_KEYFLAG_RESERVED5 | DNS_KEYFLAG_RESERVED9 | \
DNS_KEYFLAG_RESERVED10 | DNS_KEYFLAG_RESERVED11)
#define DNS_KEYFLAG_KSK 0x0001 /*%< key signing key */
#define DNS_KEYFLAG_RESERVEDMASK2 0xFFFF /*%< no bits defined here */
/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
#define DNS_KEYALG_RSAMD5 1 /*%< RSA with MD5 */
#define DNS_KEYALG_RSA 1 /*%< Used just for tagging */
#define DNS_KEYALG_DH 2 /*%< Diffie Hellman KEY */
#define DNS_KEYALG_DSA 3 /*%< DSA KEY */
#define DNS_KEYALG_NSEC3DSA 6
#define DNS_KEYALG_DSS DNS_ALG_DSA
#define DNS_KEYALG_ECC 4
#define DNS_KEYALG_RSASHA1 5
#define DNS_KEYALG_NSEC3RSASHA1 7
#define DNS_KEYALG_RSASHA256 8
#define DNS_KEYALG_RSASHA512 10
#define DNS_KEYALG_ECCGOST 12
#define DNS_KEYALG_ECDSA256 13
#define DNS_KEYALG_ECDSA384 14
#define DNS_KEYALG_ED25519 15
#define DNS_KEYALG_ED448 16
#define DNS_KEYALG_INDIRECT 252
#define DNS_KEYALG_PRIVATEDNS 253
#define DNS_KEYALG_PRIVATEOID 254 /*%< Key begins with OID giving alg */
#define DNS_KEYALG_MAX 255
/* Protocol values */
#define DNS_KEYPROTO_RESERVED 0
#define DNS_KEYPROTO_TLS 1
#define DNS_KEYPROTO_EMAIL 2
#define DNS_KEYPROTO_DNSSEC 3
#define DNS_KEYPROTO_IPSEC 4
#define DNS_KEYPROTO_ANY 255
/* Signatures */
#define DNS_SIG_RSAMINBITS 512 /*%< Size of a mod or exp in bits */
#define DNS_SIG_RSAMAXBITS 2552
/* Total of binary mod and exp */
#define DNS_SIG_RSAMAXBYTES ((DNS_SIG_RSAMAXBITS + 7 / 8) * 2 + 3)
/*%< Max length of text sig block */
#define DNS_SIG_RSAMAXBASE64 (((DNS_SIG_RSAMAXBYTES + 2) / 3) * 4)
#define DNS_SIG_RSAMINSIZE ((DNS_SIG_RSAMINBITS + 7) / 8)
#define DNS_SIG_RSAMAXSIZE ((DNS_SIG_RSAMAXBITS + 7) / 8)
#define DNS_SIG_ECDSA256SIZE 64
#define DNS_SIG_ECDSA384SIZE 96
#define DNS_KEY_ECDSA256SIZE 64
#define DNS_KEY_ECDSA384SIZE 96
#define DNS_SIG_ED25519SIZE 64
#define DNS_SIG_ED448SIZE 114
#define DNS_KEY_ED25519SIZE 32
#define DNS_KEY_ED448SIZE 57
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