| 1 | /* |
| 2 | * Copyright (c) 2014-2015 Sylvain Peyrefitte |
| 3 | * |
| 4 | * This file is part of node-rdpjs. |
| 5 | * |
| 6 | * node-rdpjs is free software: you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation, either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | // https://tools.ietf.org/html/rfc5280 |
| 21 | |
| 22 | var asn1 = require('../asn1'); |
| 23 | |
| 24 | /** |
| 25 | * @see https://tools.ietf.org/html/rfc5280 page 20 |
| 26 | * @returns {asn1.univ.Choice} |
| 27 | */ |
| 28 | function DirectoryString() { |
| 29 | return new asn1.univ.Choice({ |
| 30 | teletexString : new asn1.univ.T61String(), |
| 31 | printableString : new asn1.univ.PrintableString(), |
| 32 | universalString : new asn1.univ.UniversalString(), |
| 33 | utf8String : new asn1.univ.UTF8String(), |
| 34 | bmpString : new asn1.univ.BMPString(), |
| 35 | ia5String : new asn1.univ.IA5String() |
| 36 | }); |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * https://tools.ietf.org/html/rfc5280 page 20 |
| 41 | * @returns {asn1.univ.Choice} |
| 42 | */ |
| 43 | function AttributeValue() { |
| 44 | return DirectoryString(); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @see https://tools.ietf.org/html/rfc5280 page 20 |
| 49 | * @returns {asn1.univ.ObjectIdentifier} |
| 50 | */ |
| 51 | function AttributeType() { |
| 52 | return new asn1.univ.ObjectIdentifier(); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * @see https://tools.ietf.org/html/rfc5280 page 20 |
| 57 | * @returns {asn1.univ.Sequence} |
| 58 | */ |
| 59 | function AttributeTypeAndValue() { |
| 60 | return new asn1.univ.Sequence({ |
| 61 | type : AttributeType(), |
| 62 | value : AttributeValue() |
| 63 | }); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * https://tools.ietf.org/html/rfc5280 page 116 |
| 68 | * @returns {asn1.univ.SetOf} |
| 69 | */ |
| 70 | function RelativeDistinguishedName() { |
| 71 | return new asn1.univ.SetOf(AttributeTypeAndValue); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * https://tools.ietf.org/html/rfc5280 page 116 |
| 76 | * @returns {asn1.univ.SequenceOf} |
| 77 | */ |
| 78 | function RDNSequence() { |
| 79 | return new asn1.univ.SequenceOf(RelativeDistinguishedName); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * @see https://tools.ietf.org/html/rfc5280 page 116 |
| 84 | * @returns {asn1.univ.Choice} |
| 85 | */ |
| 86 | function Name() { |
| 87 | return new asn1.univ.Choice({ |
| 88 | rdnSequence : RDNSequence() |
| 89 | }); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * @see https://tools.ietf.org/html/rfc5280 page 18 |
| 94 | * @returns {asn1.univ.Sequence} |
| 95 | */ |
| 96 | function AlgorithmIdentifier() { |
| 97 | return new asn1.univ.Sequence({ |
| 98 | algorithm : new asn1.univ.ObjectIdentifier(), |
| 99 | parameters : new asn1.univ.Null() |
| 100 | }); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 105 | * @returns {asn1.univ.Sequence} |
| 106 | */ |
| 107 | function Extension() { |
| 108 | return new asn1.univ.Sequence({ |
| 109 | extnID : new asn1.univ.ObjectIdentifier(), |
| 110 | critical : new asn1.univ.Boolean(), |
| 111 | extnValue : new asn1.univ.OctetString() |
| 112 | }); |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 117 | * @returns {asn1.univ.SequenceOf} |
| 118 | */ |
| 119 | function Extensions() { |
| 120 | return new asn1.univ.SequenceOf(Extension); |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 125 | * @returns {asn1.univ.Choice} |
| 126 | */ |
| 127 | function Time() { |
| 128 | return new asn1.univ.Choice({ |
| 129 | utcTime : new asn1.univ.UTCTime(), |
| 130 | generalTime : new asn1.univ.GeneralizedTime() |
| 131 | }); |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 136 | * @returns {asn1.univ.Sequence} |
| 137 | */ |
| 138 | function Validity() { |
| 139 | return new asn1.univ.Sequence({ |
| 140 | notBefore : Time(), |
| 141 | notAfter : Time() |
| 142 | }); |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 147 | * @returns {asn1.univ.Integer} |
| 148 | */ |
| 149 | function CertificateSerialNumber() { |
| 150 | return new asn1.univ.Integer(); |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 155 | * @returns {asn1.univ.Sequence} |
| 156 | */ |
| 157 | function SubjectPublicKeyInfo() { |
| 158 | return new asn1.univ.Sequence({ |
| 159 | algorithm : AlgorithmIdentifier(), |
| 160 | subjectPublicKey : new asn1.univ.BitString() |
| 161 | }); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 166 | * @returns {asn1.univ.BitString} |
| 167 | */ |
| 168 | function UniqueIdentifier() { |
| 169 | return new asn1.univ.BitString(); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 174 | * @returns {asn1.univ.Sequence} |
| 175 | */ |
| 176 | function TbsCertificate() { |
| 177 | return new asn1.univ.Sequence({ |
| 178 | version : CertificateSerialNumber().explicitTag(new asn1.spec.Asn1Tag(asn1.spec.TagClass.Context, asn1.spec.TagFormat.Constructed, 0)), |
| 179 | serialNumber : new asn1.univ.Integer(), |
| 180 | signature : AlgorithmIdentifier(), |
| 181 | issuer : Name(), |
| 182 | validity : Validity(), |
| 183 | subject : Name(), |
| 184 | subjectPublicKeyInfo : SubjectPublicKeyInfo(), |
| 185 | issuerUniqueID : UniqueIdentifier().implicitTag(asn1.spec.TagClass.Context, asn1.spec.TagFormat.Primitive, 1).optional(), |
| 186 | subjectUniqueID : UniqueIdentifier().implicitTag(asn1.spec.TagClass.Context, asn1.spec.TagFormat.Primitive, 2).optional(), |
| 187 | extensions : Extensions().implicitTag(asn1.spec.TagClass.Context, asn1.spec.TagFormat.Primitive, 3).optional() |
| 188 | }); |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * @see https://tools.ietf.org/html/rfc5280 page 117 |
| 193 | * @returns {asn1.univ.Sequence} |
| 194 | */ |
| 195 | function X509Certificate() { |
| 196 | return new asn1.univ.Sequence({ |
| 197 | tbsCertificate : TbsCertificate(), |
| 198 | signatureAlgorithm : AlgorithmIdentifier(), |
| 199 | signatureValue : new asn1.univ.BitString() |
| 200 | }); |
| 201 | } |
| 202 | |
| 203 | function RSAPublicKey() { |
| 204 | return new asn1.univ.Sequence({ |
| 205 | modulus : new asn1.univ.Integer(), |
| 206 | publicExponent : new asn1.univ.Integer() |
| 207 | }); |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Module Export |
| 212 | */ |
| 213 | module.exports = { |
| 214 | X509Certificate : X509Certificate, |
| 215 | RSAPublicKey : RSAPublicKey |
| 216 | }; |