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However, generally they are considerably slower (typically by a factor 2–10) than fast, non-cryptographic random number generators. These include: Stream ciphers. Popular choices are Salsa20 or ChaCha (often with the number of rounds reduced to 8 for speed), ISAAC, HC-128 and RC4. Block ciphers in counter mode.
Coupon collector's problem. In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more ...
One of the following programs is the 340B pricing program that allows hospitals and pharmacists to buy drugs at 30–50% off the retail prices. [71] Per HRSA's 340B Drug Pricing Program , drug manufacturers are required to give certain organizations discounted drugs given these organizations fit the eligibility criteria for discounts. [ 72 ]
Google Images – a search engine for images online. Google Shopping – a search engine to search for products across online shops. Google Travel – a trip planner service. Google Videos – a search engine for videos. Google Lens is an image recognition technology
A cryptographically secure pseudorandom number generator ( CSPRNG) or cryptographic pseudorandom number generator ( CPRNG) is a pseudorandom number generator (PRNG) with properties that make it suitable for use in cryptography. It is also referred to as a cryptographic random number generator ( CRNG ).
50 states and Washington, D.C. This table lists the 336 incorporated places in the United States, excluding the U.S. territories, with a population of at least 100,000 as of July 1, 2023, as estimated by the U.S. Census Bureau. Five states have no cities with populations exceeding 100,000. They are: Delaware, Maine, Vermont, West Virginia, and ...
From October 2008 to December 2012, if you bought shares in companies when Rodney E. Slater joined the board, and sold them when he left, you would have a 86.1 percent return on your investment, compared to a 53.3 percent return from the S&P 500.
In Nova Scotia, in 2015, 43 residences and businesses began using solar panels for electricity. By 2017, the number was up to 133. These customers’ solar systems are net metered. The excess power produced by the solar panels is bought back from the homeowner by Nova Scotia Power at the same rate that the utility sells it to its customers.