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A p-box (probability box). A probability box (or p-box) is a characterization of uncertain numbers consisting of both aleatoric and epistemic uncertainties that is often used in risk analysis or quantitative uncertainty modeling where numerical calculations must be performed.
A post office box (commonly abbreviated as P.O. box, or also known as a postal box) is a uniquely addressable lockable box located on the premises of a post office. In some regions, particularly in Africa, there is no door-to-door delivery of mail; for example, in Kenya .
In cryptography, a permutation box (or P-box) is a method of bit-shuffling used to permute or transpose bits across S-boxes inputs, creating diffusion while transposing. [1]An example of a 64-bit "expansion" P-box which spreads the input S-boxes to as many output S-boxes as possible.
A post office box, commonly known as a P.O. box, can be a great solution for people and businesses who want to receive mail at a location other than their physical address. But how much is a P.O ...
A P-box is a permutation of all the bits: it takes the outputs of all the S-boxes of one round, permutes the bits, and feeds them into the S-boxes of the next round. A good P-box has the property that the output bits of any S-box are distributed to as many S-box inputs as possible. At each round, the round key (obtained from the key with some ...
Postbox of the Russian Post in Moscow. A post box (British English; also written postbox; also known as pillar box), also known as a collection box, mailbox, letter box or drop box (American English), is a physical box into which members of the public can deposit outgoing mail intended for collection by the agents of a country's postal service.
Unlike a post office box, a CMRA operates independently of the national postal administration and is therefore able to receive courier packages or other items which are not traditional mailpieces. CMRAs typically provide ancillary services such as facsimile, copy, packaging, or courier.
A post office building in Edithburgh, Australia The West Toledo Branch Post Office in Toledo, Ohio, in 1912. A post office is a public facility and a retailer that provides mail services, such as accepting letters and parcels, providing post office boxes, and selling postage stamps, packaging, and stationery.