/// <summary>
/// Append <paramref name="count"/> bytes of <paramref name="data"/>, starting at <paramref name="offset"/>,
/// to the data already processed in the hash or HMAC.
/// </summary>
/// <param name="data">The data to process.</param>
/// <param name="offset">The offset into the byte array from which to begin using data.</param>
/// <param name="count">The number of bytes in the array to use as data.</param>
/// <exception cref="ArgumentNullException"><paramref name="data"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="offset"/> is out of range. This parameter requires a non-negative number.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="count"/> is out of range. This parameter requires a non-negative number less than
/// the <see cref="Array.Length"/> value of <paramref name="data"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="count"/> is greater than
/// <paramref name="data"/>.<see cref="Array.Length"/> - <paramref name="offset"/>.
/// </exception>
/// <exception cref="ObjectDisposedException">The object has already been disposed.</exception>
public void AppendData(byte[] data, int offset, int count)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", SR.ArgumentOutOfRange_NeedNonNegNum);
}
if (count < 0 || (count > data.Length))
{
throw new ArgumentOutOfRangeException("count");
}
if ((data.Length - count) < offset)
{
throw new ArgumentException(SR.Argument_InvalidOffLen);
}
if (_disposed)
{
throw new ObjectDisposedException(typeof(IncrementalHash).Name);
}
if (_hash != null)
{
_hash.AppendHashDataCore(data, offset, count);
}
else
{
Debug.Assert(_hmac != null, "Both _hash and _hmac were null");
_hmac.AppendHashData(data, offset, count);
}
}
public void AppendData(ReadOnlySpan <byte> data)
{
if (_disposed)
{
throw new ObjectDisposedException(typeof(IncrementalHash).Name);
}
Debug.Assert((_hash != null) ^ (_hmac != null));
if (_hash != null)
{
_hash.AppendHashData(data);
}
else
{
_hmac.AppendHashData(data);
}
}