.NET Разработчик. Страница 30

byte[] data = …;
using (Aes aes = Aes.Create())
{
  byte[] key = …;
  byte[] iv = …;

  using ICryptoTransform transform = aes.CreateEncryptor(key, iv);
  byte[] encrypted = transform.TransformFinalBlock(data, 0, data.Length);
}

byte[] data = …;
using (Aes aes = Aes.Create())
{
  byte[] key = …;
  byte[] iv = …;
  aes.Key = key;

  // Шифруем все данные за раз
  byte[] encrypted = aes.EncryptCbc(data, iv);
}

byte[] data = …; 
using (SHA256 hash = SHA256.Create())
{
  byte[] digest = hash.ComputeHash(data);
}

byte[] digest = SHA256.HashData(data);

byte[] salt = RandomNumberGenerator.GetBytes(32);
byte[] prk = Rfc2898DeriveBytes.Pbkdf2(
  userPassword,
  salt,
  iterations: 200_000,
  HashAlgorithmName.SHA256,
  outputLength: 32);