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CryptographicBuffer.GenerateRandom(UInt32) Método

Definição

Cria um buffer que contém dados aleatórios.

public:
 static IBuffer ^ GenerateRandom(unsigned int length);
 static IBuffer GenerateRandom(uint32_t const& length);
public static IBuffer GenerateRandom(uint length);
function generateRandom(length)
Public Shared Function GenerateRandom (length As UInteger) As IBuffer

Parâmetros

length
UInt32

unsigned int

uint32_t

Comprimento, em bytes, do buffer a ser criado.

Retornos

Buffer de saída que contém os dados aleatórios.

Exemplos


using Windows.Security.Cryptography;
using Windows.Storage.Streams;

namespace Random
{
    sealed partial class GenerateRandomDataApp : Application
    {
        public GenerateRandomDataApp()
        {
            // Initialize the application.
            this.InitializeComponent();

            // Create a buffer that contains random data.
            String strRndHex = this.GenerateRndData();

            // Create a random integer.
            UInt32 uRnd = this.GenerateRndNumber();
        }

        public String GenerateRndData()
        {
            // Define the length, in bytes, of the buffer.
            UInt32 length = 32;

            // Generate random data and copy it to a buffer.
            IBuffer buffer = CryptographicBuffer.GenerateRandom(length);

            // Encode the buffer to a hexadecimal string (for display).
            String hexRnd = CryptographicBuffer.EncodeToHexString(buffer);

            return hexRnd;
        }

        public UInt32 GenerateRndNumber()
        {
            // Generate a random number.
            UInt32 Rnd = CryptographicBuffer.GenerateRandomNumber();

            return Rnd;
        }
    }
}

Aplica-se a