1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftCertificates open source project
//
// Copyright (c) 2022 Apple Inc. and the SwiftCertificates project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftCertificates project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import SwiftASN1
/// An OCSPResponseData is defined as:
///
/// ```
/// ResponseData ::= SEQUENCE {
/// version [0] EXPLICIT Version DEFAULT v1,
/// responderID ResponderID,
/// producedAt GeneralizedTime,
/// responses SEQUENCE OF SingleResponse,
/// responseExtensions [1] EXPLICIT Extensions OPTIONAL }
///
/// Version ::= INTEGER { v1(0) }
/// ```
///
struct OCSPResponseData: DERImplicitlyTaggable, Hashable {
static var defaultIdentifier: ASN1Identifier {
.sequence
}
var version: OCSPVersion
var responderID: ResponderID
var producedAt: GeneralizedTime
var responses: [OCSPSingleResponse]
var responseExtensions: Certificate.Extensions?
init(
version: OCSPVersion = .v1,
responderID: ResponderID,
producedAt: GeneralizedTime,
responses: [OCSPSingleResponse],
responseExtensions: Certificate.Extensions? = nil
) {
self.version = version
self.responderID = responderID
self.producedAt = producedAt
self.responses = responses
self.responseExtensions = responseExtensions
}
init(derEncoded rootNode: ASN1Node, withIdentifier identifier: ASN1Identifier) throws {
self = try DER.sequence(rootNode, identifier: identifier) { nodes in
let version = try DER.decodeDefaultExplicitlyTagged(
&nodes,
tagNumber: 0,
tagClass: .contextSpecific,
defaultValue: 0
) { try Int(derEncoded: $0) }
let responderID = try ResponderID(derEncoded: &nodes)
let producedAt = try GeneralizedTime(derEncoded: &nodes)
let responses = try DER.sequence(of: OCSPSingleResponse.self, identifier: .sequence, nodes: &nodes)
let responseExtensions = try DER.optionalExplicitlyTagged(&nodes, tagNumber: 1, tagClass: .contextSpecific)
{ node in
try DER.sequence(of: Certificate.Extension.self, identifier: .sequence, rootNode: node)
}
return .init(
version: .init(rawValue: version),
responderID: responderID,
producedAt: producedAt,
responses: responses,
responseExtensions: try responseExtensions.map { try .init($0) }
)
}
}
func serialize(into coder: inout DER.Serializer, withIdentifier identifier: ASN1Identifier) throws {
try coder.appendConstructedNode(identifier: identifier) { coder in
if self.version != .v1 {
try coder.serialize(self.version.rawValue, explicitlyTaggedWithTagNumber: 0, tagClass: .contextSpecific)
}
try coder.serialize(self.responderID)
try coder.serialize(self.producedAt)
try coder.serializeSequenceOf(self.responses)
if let responseExtensions = self.responseExtensions {
try coder.serialize(explicitlyTaggedWithTagNumber: 1, tagClass: .contextSpecific) { coder in
try coder.serializeSequenceOf(responseExtensions)
}
}
}
}
}
|
