Bug#1059745: ITP: cryptsetup-2fa -- 2FA plugin for cryptsetup

[YunQiang Su <syq@debian.org>]

Package: wnpp
Severity: wishlist
Owner: YunQiang Su <syq@debian.org>
X-Debbugs-Cc: debian-devel@lists.debian.org, syq@debian.org

* Package name    : cryptsetup-2fa
  Version         : 0.1
  Upstream Contact: YunQiang Su <syq@debian.org>
* URL             : https://github.com/wzssyqa/cryptsetup-2fa/
* License         : BSD-2
  Programming Lang: SHELL
  Description     : 2FA plugin for cryptsetup

2 mthods are supported for 2 FA:
  - Yubikey Challenge
  - TPM2 Keypair
PIN-less is also supported, if the PINs are present in
/etc/cryptsetup/2fa.conf.

Since I am not expert of security and encrypt:
CODE Review is requested here, too.