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// SPDX-License-Identifier: MIT
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
import Foundation
extension Data {
func isKey() -> Bool {
return self.count == WG_KEY_LEN
}
func hexKey() -> String? {
if self.count != WG_KEY_LEN {
return nil
}
var out = Data(repeating: 0, count: Int(WG_KEY_LEN_HEX))
out.withUnsafeMutableBytes { outBytes in
self.withUnsafeBytes { inBytes in
key_to_hex(outBytes, inBytes)
}
}
out.removeLast()
return String(data: out, encoding: .ascii)
}
init?(hexKey hexString: String) {
self.init(repeating: 0, count: Int(WG_KEY_LEN))
if !self.withUnsafeMutableBytes { key_from_hex($0, hexString) } {
return nil
}
}
func base64Key() -> String? {
if self.count != WG_KEY_LEN {
return nil
}
var out = Data(repeating: 0, count: Int(WG_KEY_LEN_BASE64))
out.withUnsafeMutableBytes { outBytes in
self.withUnsafeBytes { inBytes in
key_to_base64(outBytes, inBytes)
}
}
out.removeLast()
return String(data: out, encoding: .ascii)
}
init?(base64Key base64String: String) {
self.init(repeating: 0, count: Int(WG_KEY_LEN))
if !self.withUnsafeMutableBytes { key_from_base64($0, base64String) } {
return nil
}
}
}
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