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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2021-2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import _CryptoExtras
import Basics
import Crypto
import Foundation
@testable import PackageCollectionsSigning
import SPMTestSupport
import X509
import XCTest
class SignatureTests: XCTestCase {
func test_RS256_generateAndValidate_happyCase() async throws {
let jsonEncoder = JSONEncoder.makeWithDefaults()
let jsonDecoder = JSONDecoder.makeWithDefaults()
let certData = try await self.readTestCertData(
path: { fixturePath in fixturePath.appending(components: "Certificates", "Test_rsa.cer") }
)
let certBase64Encoded = certData.base64EncodedString()
let certificate = try Certificate(derEncoded: Array(certData))
let payload = ["foo": "bar"]
let privateKey = try _RSA.Signing.PrivateKey(pemRepresentation: certRSAPrivateKey)
let signature = try Signature.generate(
payload: payload,
certChainData: [certData],
jsonEncoder: jsonEncoder,
signatureAlgorithm: .RS256
) {
try privateKey.signature(for: SHA256.hash(data: $0), padding: Signature.rsaSigningPadding).rawRepresentation
}
let parsedSignature = try await Signature.parse(
signature,
certChainValidate: { _ in [certificate] },
jsonDecoder: jsonDecoder
)
XCTAssertEqual(try jsonDecoder.decode([String: String].self, from: parsedSignature.payload), payload)
XCTAssertEqual(parsedSignature.header.algorithm, Signature.Algorithm.RS256)
XCTAssertEqual(parsedSignature.header.certChain, [certBase64Encoded])
}
func test_RS256_generateAndValidate_keyMismatch() async throws {
let jsonEncoder = JSONEncoder.makeWithDefaults()
let jsonDecoder = JSONDecoder.makeWithDefaults()
let certData = try await self.readTestCertData(
path: { fixturePath in fixturePath.appending(components: "Certificates", "Test_rsa.cer") }
)
let certificate = try Certificate(derEncoded: Array(certData))
let payload = ["foo": "bar"]
// This is not cert's key so `parse` will fail
let privateKey = try _RSA.Signing.PrivateKey(pemRepresentation: rsaPrivateKey)
let signature = try Signature.generate(
payload: payload,
certChainData: [certData],
jsonEncoder: jsonEncoder,
signatureAlgorithm: .RS256
) {
try privateKey.signature(for: SHA256.hash(data: $0), padding: Signature.rsaSigningPadding).rawRepresentation
}
do {
_ = try await Signature.parse(
signature,
certChainValidate: { _ in [certificate] },
jsonDecoder: jsonDecoder
)
XCTFail("Expected error")
} catch {
guard SignatureError.invalidSignature == error as? SignatureError else {
return XCTFail("Expected SignatureError.invalidSignature")
}
}
}
func test_ES256_generateAndValidate_happyCase() async throws {
let jsonEncoder = JSONEncoder.makeWithDefaults()
let jsonDecoder = JSONDecoder.makeWithDefaults()
let certData = try await self.readTestCertData(
path: { fixturePath in fixturePath.appending(components: "Certificates", "Test_ec.cer") }
)
let certBase64Encoded = certData.base64EncodedString()
let certificate = try Certificate(derEncoded: Array(certData))
let payload = ["foo": "bar"]
let privateKey = try P256.Signing.PrivateKey(pemRepresentation: certECPrivateKey)
let signature = try Signature.generate(
payload: payload,
certChainData: [certData],
jsonEncoder: jsonEncoder,
signatureAlgorithm: .ES256
) {
try privateKey.signature(for: SHA256.hash(data: $0)).rawRepresentation
}
let parsedSignature = try await Signature.parse(
signature,
certChainValidate: { _ in [certificate] },
jsonDecoder: jsonDecoder
)
XCTAssertEqual(try jsonDecoder.decode([String: String].self, from: parsedSignature.payload), payload)
XCTAssertEqual(parsedSignature.header.algorithm, Signature.Algorithm.ES256)
XCTAssertEqual(parsedSignature.header.certChain, [certBase64Encoded])
}
func test_ES256_generateAndValidate_keyMismatch() async throws {
let jsonEncoder = JSONEncoder.makeWithDefaults()
let jsonDecoder = JSONDecoder.makeWithDefaults()
let certData = try await self.readTestCertData(
path: { fixturePath in fixturePath.appending(components: "Certificates", "Test_ec.cer") }
)
let certificate = try Certificate(derEncoded: Array(certData))
let payload = ["foo": "bar"]
// This is not cert's key so `parse` will fail
let privateKey = try P256.Signing.PrivateKey(pemRepresentation: ecPrivateKey)
let signature = try Signature.generate(
payload: payload,
certChainData: [certData],
jsonEncoder: jsonEncoder,
signatureAlgorithm: .ES256
) {
try privateKey.signature(for: SHA256.hash(data: $0)).rawRepresentation
}
do {
_ = try await Signature.parse(
signature,
certChainValidate: { _ in [certificate] },
jsonDecoder: jsonDecoder
)
XCTFail("Expected error")
} catch {
guard SignatureError.invalidSignature == error as? SignatureError else {
return XCTFail("Expected SignatureError.invalidSignature")
}
}
}
private func readTestCertData(path: (AbsolutePath) -> AbsolutePath) async throws -> Data {
try await withCheckedThrowingContinuation { continuation in
do {
try fixture(name: "Signing", createGitRepo: false) { fixturePath in
let certPath = path(fixturePath)
let certData: Data = try localFileSystem.readFileContents(certPath)
continuation.resume(returning: certData)
}
} catch {
continuation.resume(throwing: error)
}
}
}
}
|
