This is an image of an OpenPGP card from the vendor ZeitControl. This card is pre-punched to be used in ID-000 readers, as shown below
In cryptography, the OpenPGP card[1] is an ISO/IEC 7816-4, -8 compatible smart card[2] that is integrated with many OpenPGP functions. Using this smart card, various cryptographic tasks (encryption, decryption, digital signing/verification, authentication etc.) can be performed. It allows secure storage of secret key material; all versions of the protocol state, "Private keys and passwords cannot be read from the card with any command or function."[1][3] However, new key pairs may be loaded onto the card at any time, overwriting the existing ones.
The original OpenPGP card was built on BasicCard, and remains available at retail. Several mutually compatible JavaCard implementations of the OpenPGP Card's interface protocol are available as open source software and can be installed on generic JavaCard smart cards, including NFC-enabled cards.[4] Nitrokey[5] and Yubico provide USB tokens implementing the same protocol through smart card emulation.
The smart card daemon, in combination with the supported smart card readers,[6] 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.
^The OpenPGP Card - How to use the Fellowship Smartcard - The GnuPG Smartcard HOWTO, Rebecca Ehlers, Thorsten Ehlers, et al., Free Software Foundation Europe e. V., 2005. URL: http://www.gnupg.org/howtos/card-howto/en/ch01.html#id2472312
^OpenPGP Card specification - version 1.1, Achim Pietig, PPC Card Systems GmbH, 2004. URL: http://www.g10code.com/docs/openpgp-card-1.1.pdf
^Nathan Willis (August 3, 2016). "Free software and smartcards". LWN.net.
^Nitrokey, https://www.nitrokey.com/
^Required Hardware - How to use the Fellowship Smartcard - The GnuPG Smartcard HOWTO, Rebecca Ehlers, Thorsten Ehlers, et al., Free Software Foundation Europe e. V., 2005. URL: http://www.gnupg.org/howtos/card-howto/en/ch02s02.html#id2519120
password over the USB HID protocol. A YubiKey can also present itself as an OpenPGPcard using 1024, 2048, 3072 and 4096-bit RSA (for key sizes over 2048 bits...
server using OpenSSL that authenticates with Elliptic Curves DSA over a binary field via a timing attack. The vulnerability was fixed in OpenSSL 1.0.0e....
activate the smart card commonly requires a numeric keypad. Some card readers have their own numeric keypad. This is safer than using a card reader integrated...
card logon, client authentication with SSL/TLS). There's experimental usage for digitally signed HTTP authentication in the Enigform and mod_openpgp projects;...
implementation in the Botan program library and corresponding adjustments to the OpenPGP standard. In 2023, the encrypted messaging service Signal implemented PQXDH...
Mailfence is secure encrypted email service that offers OpenPGP based end-to-end encryption and digital signatures. It was launched in November 2013 by...
include: which protocol versions the key should be used with (in the case of PGP fingerprints); and the name of the key holder (in the case of X.509 trust...
encryption is used in the free GNU Privacy Guard software, recent versions of PGP, and other cryptosystems. The Digital Signature Algorithm (DSA) is a variant...
csrc.nist.gov. Archived from the original (PDF) on 2014-06-06. "The Debian PGP disaster that almost was". root labs rdist. 18 May 2009. DSA k {\displaystyle...
conversations. The protocol was developed by Open Whisper Systems in 2013 and was introduced in the open-source TextSecure app, which later became Signal...
In cryptography, a web of trust is a concept used in PGP, GnuPG, and other OpenPGP-compatible systems to establish the authenticity of the binding between...
PGP cryptographic software suite. The software is compliant with RFC 4880, the IETF standards-track specification of OpenPGP. Modern versions of PGP are...
5054), open source, Mozilla Public License (MPL) licensed. The JavaScript Crypto Library includes a JavaScript implementation of the SRP protocol, open source...
smartcard reader, where an OpenPGPcard can be inserted for secure cryptographic operations. Purism plans to use OpenPGP cards to implement storage of...
paying for an item online without the vendor needing to know your credit card number, and hence your identity. The goal in both electronic cash and electronic...
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