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An electronic identification ("eID") is a digital solution for proof of identity of citizens or organizations.They can be used to view to access benefits or services provided by government authorities, banks or other companies, for mobile payments, etc. Apart from online authentication and login, many electronic identity services also give users the option to sign electronic documents with a ...
Later Alice wants to sign a message. First she hashes the message to a 256-bit hash sum. Then, for each bit in the hash, based on the value of the bit, she picks one number from the corresponding pairs of numbers that make up her private key (i.e., if the bit is 0, the first number is chosen, and if the bit is 1, the second is chosen).
A magnetic stripe card is a type of card capable of storing data by storing it on magnetic material attached to a plastic card. A computer device can update the card's content. The magnetic stripe is read by swiping it past a magnetic reading head. Magnetic stripe cards are commonly used in credit cards, identity cards, and
A one sheet is a specific size (typically 27 by 41 inches (69 cm × 104 cm) before 1985; 27 by 40 inches (69 cm × 102 cm) after 1985) of film poster advertising. Multiple one-sheets are used to assemble larger advertisements, which are referred to by their sheet count, including 24-sheet [ 9 ] billboards , and 30-sheet billboards.
An information card (or i-card) is a personal digital identity that people can use online, and the key component of an identity metasystem. Visually, each i-card has a card-shaped picture and a card name associated with it that enable people to organize their digital identities and to easily select one they want to use for any given interaction.
If signatures are required, cardholders sign a receipt after a purchase, and the merchant or retailer compares the signature on the receipt to an official signature on the back of the credit card ...
Such a card is used for archiving or for making multiple inexpensive copies of a document for ease of distribution. The card is typically punched with machine-readable metadata associated with the microfilm image, and printed across the top of the card for visual identification; it may also be punched by hand in the form of an edge-notched card ...
In hash-based cryptography, the Merkle signature scheme is a digital signature scheme based on Merkle trees (also called hash trees) and one-time signatures such as the Lamport signature scheme. It was developed by Ralph Merkle in the late 1970s [ 1 ] and is an alternative to traditional digital signatures such as the Digital Signature ...