Released: Nov 10, 2020

Updates in 2020 R5

Features

• All: Added support for Microsoft .NET 5.0.
• SSH Shell: Added Ssh.Settings.SetNoDelayForTunnelSockets option to enable TCP_NODELAY option for tunnel sockets.
• SSH Shell: Added Ssh.TunnelError event for handling tunnel errors.
• TLS Core: Added support for X.509 certificates with Ed25519 keys to TLS 1.3.
• TLS Core: Improved exception messages in TLS 1.3.
• Cryptography: Added built-in support for Ed25519 algorithm.
• Cryptography: Added Rebex.Security.Cryptography.AesGcm class (equivalent to .NET...

Released: Sep 30, 2020

Updates in 2020 R4

Features

• All: Rebex assemblies targeting Microsoft .NET Standard 2.1 have been fully tested on Microsoft .NET 5.0 RC1 and are suitable to be used in production on Microsoft's latest .NET platform.
• TLS Core: Updated TlsCipherSuite.Secure/Weak/Fast enum values. Updated TlsParameters.AllowedSuite default.
• Cryptography: Added Ed25519 support to Certificate class. (Not yet supported by the built-in certificate validator due to lack of support in Microsoft Windows and Microsoft .NET).
• Cryptography...

Released: Jul 14, 2020

Updates in 2020 R3

Features

• All: Added binaries targeting Microsoft .NET Standard 2.1.
• SSH Shell: When TerminalOptions.LocalEcho is enabled, echo opcode is requested on SSH channel.
• SSH: Enhanced legacy group exchange autodetection.
• TLS Core: Added TlsSocket.ApplicationProtocol property to make it possible to determine protocol negotiated using ALPN extension.
• TLS Core: Now always prefers RSA/SHA-2 for client certificate authentication in TLS 1.2.
• TLS Core: Disabled ciphers based on AES/CBC and SHA-2 in legacy...

Released: May 24, 2020

Updates in 2020 R2

Features

• SSH Shell: Added LocalEndPoint and RemoteEndPoint properties to SshTunnel class.
• Terminal: Improved TerminalControl.Bind method behavior to prevent needless locking.
• TLS Core: Enhanced TlsSocket.Timeout property to apply to subsequent Send, SendAsync, Receive and ReceiveAsync methods even when TLS is already active.
• TLS Core: Improved and unified behavior of the TlsSocket Shutdown/ShutdownAsync methods when negotiation has not been started.
• TLS Core: Improved TLS exception reporting...

Released: Mar 25, 2020

Updates in 2020 R1.1

Features

• TLS Core: Improved TLS logging.
• Common: Added DiffieHellmanNative class to Rebex.Common.Native assembly (speeds up Diffie-Hellman calculations on Xamarin.Android).

Fixes

• Networking: Fixed rare race condition in TLS and SSH internals.
• TLS Core: Fixed breaking changes in the behavior of seldom-used parts of TlsSocket API.
• TLS Core: Fixed handling of OperationCanceledException in TLS 1.3 core.

Released: Feb 21, 2020

Updates in 2020 R1

Features

• .NET Standard 2.0 on Xamarin.Android and Xamarin.iOS - Rebex binaries targeting .NET Standard 2.0 are now supported on Xamarin.Android and Xamarin.iOS. Previously-available binaries targeting specific Xamarin platforms have been deprecated, and .NET Standard 2.0 binaries should be used instead.
• ChaCha20-Poly1305 support in TLS 1.3 and 1.2 - The TLS 1.3/1.2 core now supports the following ChaCha20-Poly1305 cipher suites:
  • TLS_CHACHA20_POLY1305_SHA256 (TLS 1.3)
  • TLS_DHE_RSA_WITH_CHACHA...

Released: Jan 15, 2020

Updates in 2019 R4.2

Features

• Cryptography: Added workaround for RSA signatures shorter than the key size.
• Cryptography: Only known external plugins are allowed for enhanced security.
• Cryptography: Also save public key when saving X25519 private keys.

Fixes

• SSH: Fixed possible deadlock during SSH renegotiation (client-side).
• TLS/SSL: Fixed renegotiation in TLS 1.2.
• Cryptography: Fixed AsymmetricKeyAlgorithm.GetRawPublicKey() key format when RSA via MS CNG is in use.

Released: Dec 16, 2019

Updates in 2019 R4.1

Features

• .NET Core 3.1 support - .NET Core 3.1 is now supported on the following platforms:
  • Windows (x64, x86, ARM32)
  • Windows 10 IoT (x64, x86, ARM32)
  • Linux (x64, ARM32)
  • macOS (x64)
• All: Added support for Mono 6.x.
• Terminal: Added workaround to terminal Unbind method for SSH servers that don't properly respond to SSH_MSG_CHANNEL_CLOSE and caused the method to block until timed out.
• Networking: Added missing 'buffer' argument check to some Send/Receive methods in ProxySocket/TlsSocket.
• SSH: Added...

Released: Oct 31, 2019

Updates in 2019 R4

Features

• Support for TLS 1.3 in Telnet - Telnet class features support for telnet over TLS 1.3.
• TLS/SSL: Added support for ALPN TLS extension to TlsSocket.
• TLS/SSL: Added TlsBulkCipherMode.AEAD (to replace TlsBulkCipherMode.GCM).
• TLS/SSL: Removed support for two legacy unsecure anonymous ciphers (DH_anon_EXPORT_WITH_DES40_CBC_SHA and DH_anon_EXPORT_WITH_RC4_40_MD5).
• Cryptography: Added PkcsBase.LoadSignedOrEnvelopedData method (a replacement for deprecated PkcsBase.Load).

Released: Sep 23, 2019

Updates in 2019 R3.2

Features

• All: Added support for .NET Core 3.0.
• All: Added support for Microsoft Windows 10 IoT (via .NET Core 3.0).
• SSH Shell: Added Settings.PreferInteractiveAuthentication option (prefer 'keyboard-interactive' to 'password' authentication).
• SSH Shell: Added Ssh.StartSocksServer method (starts a local SOCKS5 proxy server that tunnels connections through SSH).
• SSH: Added SshGssApiCredentials.AccountName property to make it possible to specify an account name to be passed to the SSH server.
• SSH...