Generate Random Data (Swift)

Example.swift

print(Data.random(0xF).hexString())

// Possible Output:
// D6 33 7F 6A B3 D7 A6 B2 E9 24 12 79 73 C4 C1 E5

RandomData.swift

extension Data {
    static func random(_ count: Int) -> Data {
        return Data((0...count).map { _ in
            UInt8.random(in: 0...UInt8.max)
        })
    }
    
    func hexString(separator: String = " ") -> String {
        return map { String($0, radix: 16, uppercase: true) }.joined(separator: separator)
    }
}