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Since 2019, Sign in with Apple has allowed iPhone and Mac users to protect their privacy by allowing them to generate random email addresses when they need to access a new website, service or app ...
Learn about the process, methods and applications of generating random numbers or symbols that cannot be reasonably predicted. Compare true random number generators based on physical phenomena and pseudorandom number generators based on computational algorithms.
A hardware random number generator (HRNG) is a device that generates random numbers from a physical process capable of producing entropy. Learn about the history, uses, and types of HRNGs, and how they differ from pseudorandom number generators (PRNGs).
Random.org generates random numbers based on atmospheric noise and offers free and paid services to simulate events such as flipping coins, shuffling cards, and rolling dice. It also provides tools to create lists of random numbers in a specified range and subject to a specified probability distribution.
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.
Learn how to generate random passwords using software, hardware, or manual methods. Compare different approaches, strengths, and weaknesses of random password generators.
Email spam, also known as junk email, is unsolicited and bulk messages sent by email for various purposes, such as advertising, phishing, or fraud. Learn about the origin, types, effects, and legal status of spam, as well as how to prevent and report it.
For these applications, truly random numbers are ideal, and very high quality pseudo-random numbers are necessary if truly random numbers, such as coming from a hardware random number generator, are unavailable. Truly random numbers are absolutely required to be assured of the theoretical security provided by the one-time pad — the only ...