/// <summary>
/// A message is generated by encrypting a hard coded value with the provided Master Key and
/// Initialization Vector.
/// The message is then passed to the hashing function and the key used is the provided Master Key.
/// </summary>
public Authorization(MasterKey masterKey, byte[] initializationVector, Aes aes, HmacSha256 hmacSha256)
{
InitializationVector = initializationVector;
var ciphertext = aes.Encrypt(AuthorizedMessage, masterKey.SecretKey, initializationVector);
Hmac = hmacSha256.Compute(ciphertext, masterKey.SecretKey);
}
/// <summary>
/// A new message is generated by encrypting a hard coded value with the provided Master Key and random
/// generated Initialization Vector.
/// The message is then passed to the hashing function and the key used is the provided Master Key.
/// </summary>
public Authorization(MasterKey masterKey, Aes aes, HmacSha256 hmacSha256)
: this(masterKey, aes.GenerateInitializationVector(), aes, hmacSha256)
{
}