Released: Oct 8, 2024

Updates in 7.0.9048

Features

• Cryptography: Added ValidationOptions.​DisableCertificateDownloads option (only supported on .NET 5 and higher).
• Cryptography: Improved handling of wrong (negative) serial numbers in X.509 certificates.

Fixes

• SSH: Fixed less common variants of multi-factor authentication.
• SSH: Fixed SshSession.Authenticate(userName, password, privateKey) method that crashed when privateKey was null (since version 7.0).
• Cryptography: Fixed detection of support for ECDH with brainpool curves on iOS...

Released: Jun 25, 2024

Updates in 7.0.8943

Features

• Cryptography: Added support for issuing certificates signed with Ed25519.
• Cryptography: Now uses AES/GCM instead of AES/CBC for new OpenSSH key format encryption.

Fixes

• TLS Core: Fixed certificate selection and curve selection in TLS 1.3.
• TLS Core: Fixed wrong TlsException.Status for some exceptions representing server-side alerts.
• Cryptography: Fixed calculation of subject key identifier in certificate issuer API.
• Cryptography: Fixed rare wrong final calculation of Poly1305 hash when...

Released: Apr 8, 2024

Updates in 7.0.8865

Features

• TLS Core: Added the option to disable ClientHello padding.
• TLS Core: Added the option to enable legacy SCSV mode.
• Cryptography: Added support for loading private keys in new OpenSSH key format encrypted using AES/GCM or ChaCha20/Poly1305.

Fixes

• SSH: SshPublicKey.LoadPublicKeys reads comments and does not fail on empty files.
• TLS Core: Fixed potential repeated clean-up of TLS extensions that might cause strange exceptions in the following TLS connection.

Released: Feb 19, 2024

Updates in 7.0.8816

Features

• SSH: Added new SshCipher.StrictKeyExchange and SshServerInfo.SupportsStrictKeyExchange properties.
• SSH: Added new SshPrivateKey.CreateFrom(PrivateKeyInfo) method.
• SSH: Added support for a combination of password and keyboard-interactive authentication.
• SSH: Improved SSH session and channel lifecycle logging.
• SSH: Now uses lower local SSH channel numbers for better log readability.
• Cryptography: Added low-level API for loading/saving PrivateKeyInfo with byte[] passwords.
• Cryptography...

Released: Dec 20, 2023

Updates in 7.0.8755

Features

• Improved compatibility with Native AOT (ahead-of-time) deployment model in Microsoft .NET 8.
• SSH: Added support for PKCS #8 format to SshPublicKey constructor.
• SSH: Added support for strict key exchange extension (thwarts the so-called 'Terrapin attack').
• Common: Optimized memory usage of miscellaneous methods.

Fixes

• HTTP: Fixed handling of unexpected response stream closure when keep-alive expected.

Released: Nov 15, 2023

Updates in 7.0.8720

Features

• Added a new set of binaries targeting Microsoft .NET 8.0.
• HTTP: Added WebClient.QueryString property.
• SSH: Added SshParameters.ChannelCloseTimeout property.

Fixes

• Cryptography: Fixed behavior of certificate issuer API when no CRLs have been specified.

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

• HTTP: Added HttpSettings.UseLargeBuffers option.
• HTTP: Added protocol announcement via ALPN extension in TLS 1.2 or higher.
• HTTP: Improved reporting of unexpected errors from the TCP layer.
• 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...

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).
• HTTP: You can now use a canonicalized form of IPv6 address in HTTP host header.
• 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.
• TLS Core: Disabled workaround for...