In cryptography, the OpenPGP card is an ISO/IEC 7816-4, -8 compatible smart card implementation that is integrated with many GnuPG functions. Using this smart card, various cryptographic tasks (encryption, decryption, digital signing/verification, authentication etc.) can be performed.
Built on BasicCard, OpenPGP cards can be obtained from a vendor or by becoming a fellow in Free Software Foundation Europe.
The smart card daemon, in combination with the supported smart card readers, as implemented in GnuPG, can be used for many cryptographic applications. With gpg-agent in GnuPG 2, an ssh-agent implementation using GnuPG, an OpenPGP card can be used for SSH authentication also.
With Aloaha there is also a commercial middleware for Windows available.
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