init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Cms/CmsProcessableFile.cs

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+using System;
+using System.IO;
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.IO;
+
+namespace Org.BouncyCastle.Cms;
+
+public class CmsProcessableFile : CmsProcessable, CmsReadable
+{
+	private const int DefaultBufSize = 32768;
+
+	private readonly FileInfo _file;
+
+	private readonly int _bufSize;
+
+	public CmsProcessableFile(FileInfo file)
+		: this(file, 32768)
+	{
+	}
+
+	public CmsProcessableFile(FileInfo file, int bufSize)
+	{
+		_file = file;
+		_bufSize = bufSize;
+	}
+
+	public virtual Stream GetInputStream()
+	{
+		return new FileStream(_file.FullName, FileMode.Open, FileAccess.Read, FileShare.Read, _bufSize);
+	}
+
+	public virtual void Write(Stream zOut)
+	{
+		Stream inputStream = GetInputStream();
+		Streams.PipeAll(inputStream, zOut);
+		Platform.Dispose(inputStream);
+	}
+
+	[Obsolete]
+	public virtual object GetContent()
+	{
+		return _file;
+	}
+}