Released: Sep 16, 2022

Updates in R6.6

Features

• SSH: Added new constructors to SshPrivateKey/SshPublicKey classes that accept AsymmetricKeyAlgorithm.
• SSH: Added support for ECDSA to SshPrivateKey(AsymmetricAlgorithm) constructor (on Microsoft .NET Core 3.1 or higher).
• TLS Core: Added support for Microsoft Windows Extended Protection (only available on Windows) to SMTP, IMAP, POP3, EWS, HTTPS and WebSocket libraries. Customers using on-premise Exchange Servers or IIS servers with 'Integrated Windows authentication' should consider...

Released: Jul 15, 2022

Updates in R6.5

Features

• SSH Shell: Improved key-only variant of Login method when the server requests further authentication and AuthenticationRequest event has been registered.
• SSH: Added support for 'server-sig-algs' SSH extension (RFC 8332) and for SSH extension negotiation (RFC 8308).
• SSH: Improved logging of 'partial success' authentication responses.
• TLS Core: Added support for TLS extended master secret extension (RFC 7627).
• Common: Improved internal asynchronous infrastructure for old platforms.

Fixes...

Released: May 25, 2022

Updates in R6.4

Features

• Added support for Microsoft .NET 6.0 on Android and Apple iOS.
• SSH: Optimized AEAD ciphers in SSH - ChaCha20/Poly1305 and AES/GCM ciphers have been slightly optimized.
• TLS Core: Optimized AEAD ciphers in TLS - ChaCha20/Poly1305 and AES/GCM ciphers have been slightly optimized.
• TLS Core: Optimized CPU usage in TLS 1.3 data flow.
• TLS Core: Optimized scenarios when the remote party requires TLS 1.2 (or lower TLS version) and TLS 1.3 is enabled.
• TLS Core: Optimized TLS 1.3 key derivation...

Released: Mar 28, 2022

Updates in R6.3

Features

• Networking: Added ProxySocket.Bind(Socket) protected method to allow for more customization.
• SSH: Improved workaround for very old versions of Bitvise server that don't properly handle SSH channel closing.
• TLS Core: Added TlsSocket.CloseAsync method (alias for DisposeAsync method).
• TLS Core: Improved protocol mismatch detection.
• TLS Core: Optimized asynchronous Send/Receive operation in TLS 1.3.
• Cryptography: Improved Poly1305 internals.
• Cryptography: Slightly optimized encrypt/decrypt...

Released: Jan 24, 2022

Updates in R6.2

Features

• TLS Core: Optimized temporary object usage in TLS 1.3 Send/Receive methods.

Fixes

• Networking: Fixed timeout handling during name resolution.
• TLS Core: Fixed handling of TLS 1.3 signature_algorithms_cert extension.
• Cryptography: Fixed releasing of CNG handles in AES/GCM interop (issue only present in R6.1 on Windows).

Released: Jan 8, 2022

Updates in R6.1

Features

• TLS Core: Optimized receive operation in TLS 1.3.
• TLS Core: Slight optimizations in TLS 1.3 on modern platforms.
• Cryptography: Improved caching of CNG algorithm provider handles.
• Cryptography: Optimized symmetric branch of Microsoft Windows CNG (BCrypt) interop layer.

Fixes

• All: Fixed compatibility of Rebex binaries for .NET Framework 4.0 with ASP.NET 4.5 or higher.
• Cryptography: Fixed Certificate.GetSignatureHashAlgorithm() for certificates signed by Ed25519 authorities.
• Cryptography...

Released: Nov 25, 2021

Updates in R6.0

Features

• All: Added a new set of binaries targeting Microsoft .NET 6.0. Including:
  • Microsoft Windows (x64, x86, ARM64).
  • Linux (x64, ARM32, ARM64).
  • Apple macOS (x64).
• All: Removed several obsolete and deprecated APIs.
• All: Removed support for legacy ISerializable interface from binaries for Microsoft .NET Standard.
• Terminal: Changes in Rebex.Terminal assembly:
  • Slightly restructured the Rebex.Terminal assembly to accommodate Microsoft's decision to drop support for most of System.Drawing on non...

Released: Nov 24, 2021

Updates in R5.7

Features

• All: Added support for Microsoft Windows 11.
• All: Added support for Microsoft .NET 6.0 on Windows, Linux and Apple macOS. Rebex assemblies targeting .NET Standard 2.1 now support .NET 6.0.
• SSH: Added support for PuTTY PPK3 format to SshPrivateKey - the SshPrivateKeyclass, PrivateKeyInfo classes and the Certificate.SavePrivateKey method now support PuTTY's new PPK version 3 private key format.
• SSH: Added support for 'x509v3-rsa2048-sha256' SSH host key and client key algorithm (X...

Released: Oct 26, 2021

Updates in R5.6

Features

• All: Added support for Microsoft .NET 6.0 RC2.
• TLS Core: Improved handling of exceptions in TlsSocket.Send method.
• Cryptography: Small optimization in AVX2 implementation of ChaCha20.

Fixes

• TLS Core: Fixed possible NullReferenceException in TLS 1.2 socket after it has been closed.
• Cryptography: Fixed handling of RSAParameters without DP/DQ in AsymmetricKeyAlgorithm and PrivateKeyInfo.
• Cryptography: Fixed loading of encrypted keys with empty passwords in new OpenSSH format.

Released: Aug 17, 2021

Updates in R5.5

Features

• All: Added a new set of binaries targeting Microsoft .NET Core 3.1. The new set of binaries utilizes .NET Core's hardware intrinsics API and features a fast ChaCha20/Poly1305 implementation that has been previously only available on Microsoft .NET 5.0.
• Terminal: Added new TerminalOptions.WaitForCloseConfirmation option.

Fixes

• All: Fixed compatibility with UWP and .NET Native compiler.