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First YubiKey USB token of the FIDO standard in 2014. The YubiKey is a hardware authentication device manufactured by Yubico to protect access to computers, networks, and online services that supports one-time passwords (OTP), public-key cryptography, authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocols [1] developed by the FIDO Alliance.
A software license is a legal instrument that governs the usage and distribution of computer software. [1] Often, such licenses are enforced by implementing in the software a product activation or digital rights management (DRM) mechanism, [2] seeking to prevent unauthorized use of the software by issuing a code sequence that must be entered into the application when prompted or stored in its ...
multiOTP is an open source PHP class, a command line tool, and a web interface that can be used to provide an operating-system-independent, strong authentication system. multiOTP is OATH-certified since version 4.1.0 and is developed under the LGPL license.
Universal 2nd Factor (U2F) is an open standard that strengthens and simplifies two-factor authentication (2FA) using specialized Universal Serial Bus (USB), near-field communication (NFC), or Bluetooth Low Energy (BLE) devices based on similar security technology found in smart cards.
The attacker is free to choose a good price/speed compromise, for example a 150,000 keys/second design for $2,500. [citation needed] The key stretching still slows down the attacker in such a situation; a $5,000 design attacking a straight SHA-1 hash would be able to try 300,000÷2 16 ≈ 4.578 keys/second. [citation needed]
Using public key cryptography, it is possible to prove possession of a private key without revealing that key. The authentication server encrypts a challenge (typically a random number, or at least data with some random parts) with a public key; the device proves it possesses a copy of the matching private key by providing the decrypted challenge.
Designed for Microsoft Windows 95, Password Safe used Schneier's Blowfish algorithm to encrypt passwords and other sensitive data. Although Password Safe was released as a free utility, due to export restrictions on cryptography from the United States, only U.S. and Canadian citizens and permanent residents were initially allowed to download it ...
KeePassXC is a free and open-source password manager. It started as a community fork of KeePassX [3] [4] (itself a cross-platform port of KeePass). It is built using Qt5 libraries, making it a multi-platform application which can be run on Linux, Windows, macOS, and BSD. [5] [6] [7] KeePassXC uses the KeePass 2.x (.kdbx) password database ...
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