Released: Sep 13, 2023

Updates in 7.0.8657

Fixes

• Networking: Fixed handling of IPv6 addresses in square brackets.
• SSH: Fixed behavior of Certificate flag in SshParameters.HostKeyAlgorithms.

Released: Jun 29, 2023

Updates in 7.0.8581

Features

• SSH Shell: Changed default shell character encoding to UTF-8.
• Telnet: Added support for Telnet Environment Option (RFC 1572).
• Networking: Added SslSettings.SslRenegotiationMode option.
• Networking: No longer sending default domain in SSPI requests by default. Added new SslSettings.UseDefaultDomain property.
• SSH: Added SshPublicKey.Parse method and a new overload for SshPublicKey.LoadPublicKeys.
• SSH: Added support for ECDH and ECDSA with secp256k1 curve ('ecdh-sha2-1.3.132.0.10' and...

Released: Jun 28, 2023

Updates in R6.14

Fixes

• All: Fixed problems in finalizer logic.
• SSH: Fixed missing end-of-lines in new OpenSSH key format.
• Cryptography: Fixed support for ECDSA private key formats with optional public key.

Released: Jun 6, 2023

Updates in R6.13

Features

• Networking: Added support for IPv6 addresses to SOCKS5 proxy (client-side).
• Cryptography: Improved support for SignatureHashAlgorithm.MD5SHA1 in Microsoft .NET 5 and higher in FIPS-only mode.
• Networking: You can now use 'Proxy-Connection' header instead of 'Connection' with HTTP CONNECT proxies.

Fixes

• Networking: Added workaround for systems where System.​Net.​Sockets.​Socket.​RemoteEndPoint does not work properly.
• Networking: Fixed formatting of IPv6 addresses for HTTP CONNECT proxies...

Released: Apr 18, 2023

Updates in R6.12

Fixes

• SSH: Added workaround for an issue in 'srt SSH Server' that makes it reject RSA/SHA-2 public key authentication attempts.
• SSH: Fixed handling of SSH2 PUBLIC KEY quotation marks in SshPublicKey.
• SSH: Fixed handling of user name when performing single sign-on in .NET Core and .NET 5/6/7.
• TLS Core: Fixed client-side TLS cipher suite check and server-side TLS cipher selection.
• TLS Core: Fixed checking of selected elliptic curves.
• TLS Core: Fixed memory leak in server-side TLS session cache...

Released: Jan 31, 2023

Updates in R6.11

Features

• Common: Improved compatibility with Microsoft Windows 2000.

Fixes

• Networking: Comment is no longer ignored when loading SSH2 public key into SshPublicKey.
• SSH: Fixed occasional StackOverflowException in SSH tunnel code (thrown when a large batch of consecutive asynchronous IO operations completes synchronously).
• TLS Core: Fixed handling of missing close_notify message in TLS 1.2 or earlier.
• Cryptography: Fixed CRL retrieval for certificate with multiple CRL distribution endpoints...

Released: Dec 2, 2022

Updates in R6.10

Fixes

• SSH: Added workaround for an issue in Azure Blob Storage SFTP that makes it reject RSA/SHA-2 public key authentication attempts.
• TLS Core: Fixed TlsParameter.AcceptableAuthorities handling (can specify an empty list).
• Cryptography: Added workaround for broken X25519 implementation in early versions of Windows 10 (version 1507 and 1511).
• Common: Fixed Windows Extended Protection in 64-bit Windows applications.

Released: Nov 8, 2022

Updates in R6.9

Features

• Added support for Microsoft .NET 7 - This release adds a new set of binaries targeting .NET 7. It supports all .NET 7 platforms:
  • Microsoft Windows (x64, x86, ARM64).
  • Linux (x64, ARM32, ARM64).
  • Apple macOS (x64).
  • Android.
  • Apple tvOS.

Fixes

• Cryptography: Fixed SHA-2 support on pre-SP3 versions of Windows XP.

Released: Oct 25, 2022

Updates in R6.8

Features

• Networking: Improved handling of timeouts during TCP connections.
• TLS Core: Optimized TLS 1.3 core.
• TLS Core: Improved handling of invalid TLS 1.3 session tickets (PSKs).
• TLS Core: Reduced memory footprint and CPU usage of TLS 1.3.
• Cryptography: Added SSE2 implementation of ChaCha20 for Microsoft .NET 5.0 or higher.

Fixes

• SSH Shell: Fixed UseLargeBuffers a SetNoDelayForTunnelSockets usage in SSH tunnels.
• TLS Core: Fixed handling of incomplete TLS 1.3 records.

Released: Oct 5, 2022

Updates in R6.7

Fixes

• All: This release is now properly code-signed again. TSA certificate validity was too short in R6.6 due to DigiCert's mistake.
• SSH: Added workaround for SSH servers that claim to prefer 'ssh-rsa' for client public key authentication.