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-rw-r--r--WireGuard/WireGuard/Crypto/Curve25519.swift13
1 files changed, 8 insertions, 5 deletions
diff --git a/WireGuard/WireGuard/Crypto/Curve25519.swift b/WireGuard/WireGuard/Crypto/Curve25519.swift
index 84c35d3..43d9b00 100644
--- a/WireGuard/WireGuard/Crypto/Curve25519.swift
+++ b/WireGuard/WireGuard/Crypto/Curve25519.swift
@@ -4,24 +4,27 @@
import UIKit
struct Curve25519 {
+
+ static let keyLength: Int = 32
+
static func generatePrivateKey() -> Data {
- var privateKey = Data(repeating: 0, count: 32)
+ var privateKey = Data(repeating: 0, count: TunnelConfiguration.keyLength)
privateKey.withUnsafeMutableBytes { (bytes: UnsafeMutablePointer<UInt8>) in
curve25519_generate_private_key(bytes)
}
- assert(privateKey.count == 32)
+ assert(privateKey.count == TunnelConfiguration.keyLength)
return privateKey
}
static func generatePublicKey(fromPrivateKey privateKey: Data) -> Data {
- assert(privateKey.count == 32)
- var publicKey = Data(repeating: 0, count: 32)
+ assert(privateKey.count == TunnelConfiguration.keyLength)
+ var publicKey = Data(repeating: 0, count: TunnelConfiguration.keyLength)
privateKey.withUnsafeBytes { (privateKeyBytes: UnsafePointer<UInt8>) in
publicKey.withUnsafeMutableBytes { (bytes: UnsafeMutablePointer<UInt8>) in
curve25519_derive_public_key(bytes, privateKeyBytes)
}
}
- assert(publicKey.count == 32)
+ assert(publicKey.count == TunnelConfiguration.keyLength)
return publicKey
}
}