Initial winscard implementation and integration

[TheBestTvarynka]

Hi,
In this pull request, I've implemented the smart card emulation in the form of the winscard crate and integrated it in the ffi and sspi. So, now we can use an emulated smart card for the RDP authorization without additional drivers, TMP smart cards, etc.

I've chosen the NIST.SP.800-73-4 as a specification to follow. So, our emulated smart is a PIV-compatible smart card.

More information you can read in those four pull requests description:

• Restructure FFI #202
• WinSCard: smart card emulation implementation #201
• WinScard and WinScardContex traits and their implementations #203
• WinSCard: refactoring and fixes #204
• WinSCard FFI implementation #205
• Smart card credentials handling #206
• Fix username handling in FFI during smart card logon #209

Known bugs:

• Fix mstsc.exe SChannel decryption failure on client #153

This decryption error happens during the smart card logon too. Initial debugging and research were unsuccessful. Its fix will be provided in a separate pull request.

Docs & references:

• winscard.h
• Teleport's rdpclient
• Interfaces for Personal Identity Verification – Part 1: PIV Card Application Namespace, Data Model and Representation

cc @awakecoding

[CBenoit]

It’s happening 🎉
Good job so far!!

EDIT: I reworded the last commits to follow the conventional commit specification

[TheBestTvarynka]

EDIT: I reworded the last commits to follow the conventional commit specification

What commit specification do we follow? This one: https://www.conventionalcommits.org/en/v1.0.0/#specification?

I just have a feeling I don't remember/know something and also I want to write good commit messages from the first try 😅

[CBenoit]

EDIT: I reworded the last commits to follow the conventional commit specification

What commit specification do we follow? This one: https://www.conventionalcommits.org/en/v1.0.0/#specification?

Correct!

I just have a feeling I don't remember/know something and also I want to write good commit messages from the first try 😅

Oh, some commits where just missing the type and the scope "smartcard" was not consistent. I just added the type and used the scard scope everywhere appropriate.