1 /* $NetBSD: dst_parse.h,v 1.9 2025/01/26 16:25:22 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 AND ISC 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 /* 17 * Copyright (C) Network Associates, Inc. 18 * 19 * Permission to use, copy, modify, and/or distribute this software for any 20 * purpose with or without fee is hereby granted, provided that the above 21 * copyright notice and this permission notice appear in all copies. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS 24 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE 26 * FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 27 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 28 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR 29 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 30 */ 31 32 /*! \file */ 33 #pragma once 34 35 #include <isc/lang.h> 36 37 #include <dst/dst.h> 38 39 #define MAXFIELDSIZE 512 40 41 /* 42 * Maximum number of fields in a private file is 18 (12 algorithm- 43 * specific fields for RSA, plus 6 generic fields). 44 */ 45 #define MAXFIELDS 12 + 6 46 47 #define TAG_SHIFT 4 48 #define TAG_ALG(tag) ((unsigned int)(tag) >> TAG_SHIFT) 49 #define TAG(alg, off) (((alg) << TAG_SHIFT) + (off)) 50 51 /* These are used by RSA-SHA1, RSASHA256 and RSASHA512 */ 52 #define RSA_NTAGS 11 53 #define TAG_RSA_MODULUS ((DST_ALG_RSA << TAG_SHIFT) + 0) 54 #define TAG_RSA_PUBLICEXPONENT ((DST_ALG_RSA << TAG_SHIFT) + 1) 55 #define TAG_RSA_PRIVATEEXPONENT ((DST_ALG_RSA << TAG_SHIFT) + 2) 56 #define TAG_RSA_PRIME1 ((DST_ALG_RSA << TAG_SHIFT) + 3) 57 #define TAG_RSA_PRIME2 ((DST_ALG_RSA << TAG_SHIFT) + 4) 58 #define TAG_RSA_EXPONENT1 ((DST_ALG_RSA << TAG_SHIFT) + 5) 59 #define TAG_RSA_EXPONENT2 ((DST_ALG_RSA << TAG_SHIFT) + 6) 60 #define TAG_RSA_COEFFICIENT ((DST_ALG_RSA << TAG_SHIFT) + 7) 61 #define TAG_RSA_ENGINE ((DST_ALG_RSA << TAG_SHIFT) + 8) 62 #define TAG_RSA_LABEL ((DST_ALG_RSA << TAG_SHIFT) + 9) 63 64 #define ECDSA_NTAGS 4 65 #define TAG_ECDSA_PRIVATEKEY ((DST_ALG_ECDSA256 << TAG_SHIFT) + 0) 66 #define TAG_ECDSA_ENGINE ((DST_ALG_ECDSA256 << TAG_SHIFT) + 1) 67 #define TAG_ECDSA_LABEL ((DST_ALG_ECDSA256 << TAG_SHIFT) + 2) 68 69 #define EDDSA_NTAGS 4 70 #define TAG_EDDSA_PRIVATEKEY ((DST_ALG_ED25519 << TAG_SHIFT) + 0) 71 #define TAG_EDDSA_ENGINE ((DST_ALG_ED25519 << TAG_SHIFT) + 1) 72 #define TAG_EDDSA_LABEL ((DST_ALG_ED25519 << TAG_SHIFT) + 2) 73 74 #define OLD_HMACMD5_NTAGS 1 75 #define HMACMD5_NTAGS 2 76 #define TAG_HMACMD5_KEY ((DST_ALG_HMACMD5 << TAG_SHIFT) + 0) 77 #define TAG_HMACMD5_BITS ((DST_ALG_HMACMD5 << TAG_SHIFT) + 1) 78 79 #define HMACSHA1_NTAGS 2 80 #define TAG_HMACSHA1_KEY ((DST_ALG_HMACSHA1 << TAG_SHIFT) + 0) 81 #define TAG_HMACSHA1_BITS ((DST_ALG_HMACSHA1 << TAG_SHIFT) + 1) 82 83 #define HMACSHA224_NTAGS 2 84 #define TAG_HMACSHA224_KEY ((DST_ALG_HMACSHA224 << TAG_SHIFT) + 0) 85 #define TAG_HMACSHA224_BITS ((DST_ALG_HMACSHA224 << TAG_SHIFT) + 1) 86 87 #define HMACSHA256_NTAGS 2 88 #define TAG_HMACSHA256_KEY ((DST_ALG_HMACSHA256 << TAG_SHIFT) + 0) 89 #define TAG_HMACSHA256_BITS ((DST_ALG_HMACSHA256 << TAG_SHIFT) + 1) 90 91 #define HMACSHA384_NTAGS 2 92 #define TAG_HMACSHA384_KEY ((DST_ALG_HMACSHA384 << TAG_SHIFT) + 0) 93 #define TAG_HMACSHA384_BITS ((DST_ALG_HMACSHA384 << TAG_SHIFT) + 1) 94 95 #define HMACSHA512_NTAGS 2 96 #define TAG_HMACSHA512_KEY ((DST_ALG_HMACSHA512 << TAG_SHIFT) + 0) 97 #define TAG_HMACSHA512_BITS ((DST_ALG_HMACSHA512 << TAG_SHIFT) + 1) 98 99 struct dst_private_element { 100 unsigned short tag; 101 unsigned short length; 102 unsigned char *data; 103 }; 104 105 typedef struct dst_private_element dst_private_element_t; 106 107 struct dst_private { 108 unsigned short nelements; 109 dst_private_element_t elements[MAXFIELDS]; 110 }; 111 112 typedef struct dst_private dst_private_t; 113 114 ISC_LANG_BEGINDECLS 115 116 void 117 dst__privstruct_free(dst_private_t *priv, isc_mem_t *mctx); 118 119 isc_result_t 120 dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex, 121 isc_mem_t *mctx, dst_private_t *priv); 122 123 isc_result_t 124 dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv, 125 const char *directory); 126 127 ISC_LANG_ENDDECLS 128