PC/SC based smart card backend

This crate provides PcscBackend and PcscTransaction, which are implementations of the CardBackend and CardTransactions traits from the card-backend crate.

This implementation uses the pcsc Rust wrapper crate to access OpenPGP cards.

Mainly intended for use with the openpgp-card library.

Documentation on PC/SC

PC/SC is a standard for interaction with smartcards and readers.

The workgroup publishes an overview and a set of documents detailing the standard.

The pcsc-lite implementation is used on many free software systems (API documentation for pcsc-lite).

Microsoft documentation about their implementation of PC/SC.