<PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />

BaseOutputStream

public abstract class BaseOutputStream : Stream
using System; using System.IO; using System.Threading; using System.Threading.Tasks; namespace Org.BouncyCastle.Utilities.IO { public abstract class BaseOutputStream : Stream { public sealed override bool CanRead => false; public sealed override bool CanSeek => false; public sealed override bool CanWrite => true; public sealed override long Length { get { throw new NotSupportedException(); } } public sealed override long Position { get { throw new NotSupportedException(); } set { throw new NotSupportedException(); } } public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken) { throw new NotSupportedException(); } public override void Flush() { } public sealed override int Read(byte[] buffer, int offset, int count) { throw new NotSupportedException(); } public sealed override long Seek(long offset, SeekOrigin origin) { throw new NotSupportedException(); } public sealed override void SetLength(long value) { throw new NotSupportedException(); } public override void Write(byte[] buffer, int offset, int count) { Streams.ValidateBufferArguments(buffer, offset, count); for (int i = 0; i < count; i++) { WriteByte(buffer[offset + i]); } } public virtual void Write(params byte[] buffer) { Write(buffer, 0, buffer.Length); } } }