Released: Jul 14, 2020

Updates in 2020 R3

Features

• All: Added binaries targeting Microsoft .NET Standard 2.1.
• 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 versions of TLS (they are only specified by TLS 1.2).
• TLS Core: Improved error message when server...

Released: May 24, 2020

Updates in 2020 R2

Features

• FTP: Added FtpExtensions.ExtendedPassiveMode (enables EPSV if supported by the server).
• FTP: Added FtpSettings.EnableBrokenShutdownWorkaround option (workaround for FTPS servers that don't handle TLS 1.3 close messages properly).
• SSH: Added new properties to SshCipher to make it possible to determine IDs of active ciphers.
• SSH: Added workaround for a weakness in legacy CBC ciphers.
• TLS Core: Enhanced TlsSocket.Timeout property to apply to subsequent Send, SendAsync, Receive and...

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

• FTP: Fixed an issue in GetItems() method that caused file system items with an unknown type to not be filtered according to the specified mask.
• 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...

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.
• FTP: Using TLS version of the control connection when negotiation the data connection.
• Networking: Added missing 'buffer' argument check to some Send/Receive methods in ProxySocket/TlsSocket.
• SSH: Added a workaround for a bug introduced in OpenSSH 8.0 that rejects 'sender channel'...

Released: Oct 31, 2019

Updates in 2019 R3.4

Features

• Support for TLS 1.3 in FTP - FTP class features support for FTP over TLS 1.3.
• FTP: Improved behavior of stream-based PutFile methods with DisableProgressPercentage (stream length is no longer determined).
• 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...

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: Added SshGssApiCredentials.AccountName property to make it possible to specify an account name to be passed to the SSH server.
• SSH: Added workaround for legacy WS_FTP 7.x servers that encode long SSH packets improperly.
• Common: Optimized internal Task infrastructure on old .NET platforms.

Released: Aug 9, 2019

Updates in 2019 R3.1

Features

• Removed SSL 3.0 from TlsVersion.Any
• Serialization on Xamarin.Android and Xamarin.iOS platforms - Added support for classic .NET serialization on Xamarin.Android and Xamarin.iOS platforms.
• Enhanced compatibility with Pure-FTPd server - Rebex FTP/SSL includes several new workarounds that enhance compatibility with Pure-FTPd server.
  • Added workaround for occasional '451 Transfer aborted' observed with Pure-FTPd and TLS 1.3.
  • Added workaround for Pure-FTPd's nonconvencial responses.
  • Enhanced...

Released: Jun 28, 2019

Updates in 2019 R3

Features

• All: Binaries targeting .NET Standard 2.0 are now supported on Mono 5.14 or higher.
• SSH: Added SshPrivateKey.Generate(...) methods on .NET Compact Framework.
• SSH: Added workaround for broken EtM ciphers in OpenSSH 6.6.
• SSH: Enhanced GlobalScape SSH server detection.
• SSH: Enlarged upper limit for non-standard DSA keys to 8192 bits on .NET Framework and .NET Core.
• SSH: Fixed reporting of SSH_MSG_USERAUTH_GSSAPI_ERROR and SSH_MSG_USERAUTH_GSSAPI_ERRTOK responses.
• TLS/SSL: Added...