using System; using System.Security.Cryptography; namespace SharpCompress.Crypto; internal class BlockTransformer(ICryptoTransform transformer) : IDisposable { public byte[] ProcessBlock(ReadOnlySpan cipherText) { var decryptedBytes = new byte[cipherText.Length]; transformer.TransformBlock(cipherText.ToArray(), 0, cipherText.Length, decryptedBytes, 0); return decryptedBytes; } public void Dispose() { } }