Rebex Secure Mail for .NET R6.4

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Improves date header parser and adds support for .NET 6.0 on Android and iOS.

Features

• Added support for Microsoft .NET 6.0 on Android and Apple iOS.
• MIME: Date header parser has been made more benevolent.
• SSH: Optimized AEAD ciphers in SSH - ChaCha20/Poly1305 and AES/GCM ciphers have been slightly optimized.
• TLS Core: Optimized AEAD ciphers in TLS - ChaCha20/Poly1305 and AES/GCM ciphers have been slightly optimized.
• TLS Core: Optimized CPU usage in TLS 1.3 data flow.
• TLS Core: Optimized scenarios when the remote party requires TLS 1.2 (or lower TLS version) and TLS 1.3 is enabled.
• TLS Core: Optimized TLS 1.3 key derivation functions.
• Cryptography: Added support for NTLM plugin for non-Microsoft Windows platforms.
• Cryptography: Added a workaround for buggy RSACryptoServiceProvider in Microsoft .NET 6.0 on Android.
• Cryptography: Enhanced workarounds for slightly misbehaved certificate validator in Microsoft .NET 6.0 on Android.
• Cryptography: Optimized ChaCha20Poly1305 internals.
• Cryptography: Optimized internal AEAD interfaces.
• Common: Improved inner exception rethrow logic on Microsoft .NET Framework 3.5/4.0.
• Common: Optimized internal data buffer methods.