49 lines
1.5 KiB
Swift
49 lines
1.5 KiB
Swift
//
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// OpenVPN+PRNG.swift
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// TunnelKit
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//
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// Created by Davide De Rosa on 11/8/21.
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// Copyright (c) 2023 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of TunnelKit.
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//
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// TunnelKit is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// TunnelKit is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with TunnelKit. If not, see <http://www.gnu.org/licenses/>.
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//
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import Foundation
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import TunnelKitCore
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import TunnelKitOpenVPNCore
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import CTunnelKitCore
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import CTunnelKitOpenVPNProtocol
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extension OpenVPN {
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/**
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Initializes the PRNG. Must be issued before using `OpenVPNSession`.
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- Parameter seedLength: The length in bytes of the pseudorandom seed that will feed the PRNG.
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*/
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public static func prepareRandomNumberGenerator(seedLength: Int) -> Bool {
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let seed: ZeroingData
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do {
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seed = try SecureRandom.safeData(length: seedLength)
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} catch {
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return false
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}
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return CryptoBox.preparePRNG(withSeed: seed.bytes, length: seed.count)
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}
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}
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