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let keyFilePath =
documentDirectory.ofObject.appending(keyFile.ofObject)
generator.keyFile = OFMutableData(contentsOfFile: keyFilePath)
}
let passphraseText = (passphraseField?.text ?? "") as NSString
let passphrase = of_strdup(passphraseText.utf8String!)!
generator.passphrase = UnsafePointer<CChar>(passphrase)
let mainStoryboard = UIStoryboard(name: "Main", bundle: nil)
let activityController = mainStoryboard.instantiateViewController(
withIdentifier: "activityIndicator")
navigationController?.view.addSubview(activityController.view)
DispatchQueue.global(qos: .default).async {
OFException.try({
generator.derivePassword()
}, finally: {
if let keyFile = generator.keyFile as? OFMutableData {
of_explicit_memset(keyFile.mutableItems, 0, keyFile.count)
}
of_explicit_memset(passphrase, 0, strlen(passphrase))
free(passphrase)
})
}
of_explicit_memset(generator.output, 0, generator.length)
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let keyFilePath =
documentDirectory.ofObject.appending(keyFile.ofObject)
generator.keyFile = OFMutableData(contentsOfFile: keyFilePath)
}
let passphraseText = (passphraseField?.text ?? "") as NSString
let passphraseLen =
passphraseText.lengthOfBytes(using: String.Encoding.utf8.rawValue)
let passphrase = OFSecureData(count: passphraseLen,
allowsSwappableMemory: false)
memcpy(passphrase.mutableItems, passphraseText.utf8String!,
passphraseLen)
generator.passphrase = passphrase
let mainStoryboard = UIStoryboard(name: "Main", bundle: nil)
let activityController = mainStoryboard.instantiateViewController(
withIdentifier: "activityIndicator")
navigationController?.view.addSubview(activityController.view)
DispatchQueue.global(qos: .default).async {
generator.derivePassword()
}
let password = NSMutableString(bytes: generator.output.items,
length: generator.length,
encoding: String.Encoding.utf8.rawValue)!
DispatchQueue.main.sync {
activityController.view.isHidden = true
block(password)
}
}
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