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Use guard

This commit is contained in:
Davide De Rosa 2019-05-19 11:29:56 +02:00
parent 59e2c04aea
commit d19e029131
1 changed files with 3 additions and 3 deletions
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6
TunnelKit/Sources/Core/SecureRandom.swift
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@ -48,7 +48,7 @@ class SecureRandom {
static func uint32FromBuffer() throws -> UInt32 { static func uint32FromBuffer() throws -> UInt32 {
var randomBuffer = [UInt8](repeating: 0, count: 4) var randomBuffer = [UInt8](repeating: 0, count: 4)
if (SecRandomCopyBytes(kSecRandomDefault, 4, &randomBuffer) != 0) { guard SecRandomCopyBytes(kSecRandomDefault, 4, &randomBuffer) == 0 else {
throw SecureRandomError.randomGenerator throw SecureRandomError.randomGenerator
} }
@ -65,7 +65,7 @@ class SecureRandom {
try withUnsafeMutablePointer(to: &randomNumber) { try withUnsafeMutablePointer(to: &randomNumber) {
try $0.withMemoryRebound(to: UInt8.self, capacity: 4) { (randomBytes: UnsafeMutablePointer<UInt8>) -> Void in try $0.withMemoryRebound(to: UInt8.self, capacity: 4) { (randomBytes: UnsafeMutablePointer<UInt8>) -> Void in
guard (SecRandomCopyBytes(kSecRandomDefault, 4, randomBytes) == 0) else { guard SecRandomCopyBytes(kSecRandomDefault, 4, randomBytes) == 0 else {
throw SecureRandomError.randomGenerator throw SecureRandomError.randomGenerator
} }
} }
@ -95,7 +95,7 @@ class SecureRandom {
randomBytes.deallocate() randomBytes.deallocate()
} }
guard (SecRandomCopyBytes(kSecRandomDefault, length, randomBytes) == 0) else { guard SecRandomCopyBytes(kSecRandomDefault, length, randomBytes) == 0 else {
throw SecureRandomError.randomGenerator throw SecureRandomError.randomGenerator
} }