Adds dummy support for SSH_MSG_EXT_INFO (RFC 8308).
Features
- All: Added support for .NET Framework 4.8 and Microsoft Visual Studio 2019.
- All: Removed leftover Trace.Write logging.
- SSH: Added dummy support for SSH_MSG_EXT_INFO (RFC 8308).
- Cryptography: Added CertificationRequest.Save method.
- Cryptography: Added support for ECDSA and ECDH on .NET Core 2.1/.2.2 on Linux (no need for external plugins).
- Cryptography: Added workaround for broken export of RSA keys from the CNG providers on Windows 7.
- Cryptography: Added workaround for CRLs with redundant trailing data to CertificateRevocationList.
- Cryptography: Added workaround for legacy versions of Mono with lack of SHA-2 support.
- Common: Asynchronous infrastructure improvements.