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List of random number generators. Random number generators are important in many kinds of technical applications, including physics, engineering or mathematical computer studies (e.g., Monte Carlo simulations), cryptography and gambling (on game servers ). This list includes many common types, regardless of quality or applicability to a given ...
A key generator (key-gen) is a computer program that generates a product licensing key, such as a serial number, necessary to activate for use of a software application.
For instance, an officer with the service number O-2 345 678 would have the number written in military records as 02 345 678. The Discharge Certificate of Burt Lancaster showing his thirty million series draft service number with a geographical code of 32 (entrance from New York).
Marine enlisted service number 1,000,000 was issued in 1944 and the cap of 1,700,000 was reached nine years later. Service numbers 1,700,000 to 1,799,999 were set aside for female enlisted personnel of the 1960s and 1970s while 1,800,000 to 2,000,000 was used by male enlistees. In 1965, with male service numbers running out due to a rise of ...
A serial number is a unique identifier used to uniquely identify an item, and is usually assigned incrementally or sequentially. Despite being called serial "numbers", they do not need to be strictly numerical and may contain letters and other typographical symbols, or may consist entirely of a character string .
A service number (Roll number) is an identification code used to identify a person within a large group. Service numbers are most often associated with the military ; however, they also may be used in civilian organizations.
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).
A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters.
A pseudorandom number generator (PRNG), also known as a deterministic random bit generator (DRBG), is an algorithm for generating a sequence of numbers whose properties approximate the properties of sequences of random numbers.
Furthermore, implementing serial number arithmetic using two's complement arithmetic implies serial numbers of a bit-length matching the machine's integer sizes; usually 16-bit, 32-bit and 64-bit. Implementing 20-bit serial numbers needs shifts (assuming 32-bit ints):