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
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftCrypto open source project
//
// Copyright (c) 2019-2020 Apple Inc. and the SwiftCrypto project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.md for the list of SwiftCrypto project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
#if CRYPTO_IN_SWIFTPM && !CRYPTO_IN_SWIFTPM_FORCE_BUILD_API
@_exported import CryptoKit
#else
import Foundation
protocol Zeroization {
mutating func zeroize()
}
extension UnsafeMutablePointer: Zeroization {
/// Zeroizes the pointee
func zeroize() {
let size = MemoryLayout.size(ofValue: Pointee.self)
memset_s(self, size, 0, size)
}
}
extension UnsafeMutableRawBufferPointer: Zeroization {
func zeroize() {
memset_s(self.baseAddress, self.count, 0, self.count)
}
}
extension Array: Zeroization where Element == UInt8 {
/// Zeroizes the array
mutating func zeroize() {
memset_s(&self, self.count, 0, self.count)
}
}
extension Data: Zeroization {
internal mutating func zeroize() {
_ = self.withUnsafeMutableBytes {
memset_s($0.baseAddress!, $0.count, 0, $0.count)
}
}
}
#endif // Linux or !SwiftPM
|
