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Google Authenticator is a software app that generates one-time passwords for multi-factor authentication. It uses a shared secret key provided by the service provider and a time-based or counter-based algorithm to calculate the password.
Find out which YouTube channel has the most subscribers as of July 2024, and see the historical progression of the top spot since 2006. The list includes the channel name, brand, subscriber count, language, category, and country of each channel.
A CSPRNG is a PRNG with properties that make it suitable for use in cryptography. It can stretch the available entropy over more bits and resist state compromise attacks. Learn about its background, definitions and designs based on cryptographic primitives or mathematical problems.
Codes in general are often denoted by the letter C, and a code of length n and of rank k (i.e., having n code words in its basis and k rows in its generating matrix) is generally referred to as an (n, k) code. Linear block codes are frequently denoted as [n, k, d] codes, where d refers to the code's minimum Hamming distance between any two code ...
Find out which YouTube channel has the most views as of May 2024, and how it surpassed PewDiePie in 2017. See the top 50 channels by views, content category, language and country.
QR code is a type of two-dimensional barcode invented in 1994 by a Japanese company for labelling automobile parts. It can store data for various purposes, such as web tracking, product identification, and mobile tagging, and can be scanned by imaging devices like cameras.
Learn about the different types of awards that YouTube gives to its popular channels, based on their subscriber count. The Silver Creator Award is the first one, given to channels with 100,000 subscribers or more.
Learn what a message authentication code (MAC) is, how it works, and why it is used for authenticating and integrity-checking messages. Compare MAC with cryptographic hash functions, digital signatures, and other cryptographic primitives.