/// <summary>
/// Generates the key.
/// </summary>
/// <param name="size">The size.</param>
protected override void GenerateKey(int size, KeyczarConfig config)
{
AesKeyBytes = new byte[size / 8];
Secure.Random.NextBytes(AesKeyBytes);
HmacKey = (HmacSha2Key)Generate(UnofficialKeyType.HmacSha2, size);
HmacKey.HashLength = size / 8; //Truncate hash length to match JWE
//https://tools.ietf.org/html/rfc7518#page-23
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
protected override void Dispose(bool disposing)
{
Mode = null;
AesKeyBytes = AesKeyBytes.Clear();
HmacKey = HmacKey.SafeDispose();
}