Security

README.md

Security Framework Examples

https://developer.apple.com/documentation/security

random.swift

var bytes = [UInt8](repeating: 0, count: 8)
var status = SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes)
if status == errSecSuccess {
    print(bytes)
} else {
    if let message = SecCopyErrorMessageString(status, nil) {
        print("Error(\(status): \(message)")
    } else {
        print("Error: \(status)")
    }
}

var bytes2: UInt64 = 0
status = SecRandomCopyBytes(kSecRandomDefault, 8, &bytes2)
print(status, bytes2)