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  2. Unique identifier - Wikipedia

    en.wikipedia.org/wiki/Unique_identifier

    Random number generator: based on random process. names or codes allocated by choice which are forced to be unique by keeping a central registry such as the EPC Information Services.

  3. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in U.S. Patent No. 2,950,048, granted on August 23, 1960.

  4. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    123e4567-e89b-12d3-a456-426614174000. Website. RFC 9562 (obsoleted RFC 4122) A Universally Unique Identifier ( UUID) is a 128-bit label used for information in computer systems. The term Globally Unique Identifier ( GUID) is also used, mostly in Microsoft systems. [1] [2]

  5. Identity documents in the United States - Wikipedia

    en.wikipedia.org/wiki/Identity_documents_in_the...

    In the United States, identity documents are typically the regional state -issued driver's license or identity card, while also the Social Security card (or just the Social Security number) and the United States Passport Card may serve as national identification. The United States passport itself also may serve as identification.

  6. List of random number generators - Wikipedia

    en.wikipedia.org/wiki/List_of_random_number...

    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 ...

  7. National identification number - Wikipedia

    en.wikipedia.org/wiki/National_identification_number

    The identification number has 8-digit standard format: NNNNNNN (N), where N is a numeric digit 0–9. The first numeric digit N has special meaning, and it can be one of the following digits: '1', '5' or '7'. '1': The first-time date of issuance of ID card to the bearer was 1992 or later.

  8. List of IP protocol numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_IP_protocol_numbers

    This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header. Both fields are eight bits wide.

  9. Pseudorandom number generator - Wikipedia

    en.wikipedia.org/wiki/Pseudorandom_number_generator

    The algorithm is as follows: take any number, square it, remove the middle digits of the resulting number as the "random number", then use that number as the seed for the next iteration. For example, squaring the number "1111" yields "1234321", which can be written as "01234321", an 8-digit number being the square of a 4-digit number.

  10. German identity card - Wikipedia

    en.wikipedia.org/wiki/German_identity_card

    German names: German names containing umlauts (ä, ö, ü) and/or ß are spelled in the correct way in the non-machine-readable zone of the ID card, but with AE, OE, UE and/or SS in the machine-readable zone, e.g. Müller becomes MUELLER, Groß becomes GROSS, and Gößmann becomes GOESSMANN.

  11. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    A personal identification number ( PIN ), or sometimes redundantly a PIN number or PIN code, is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between different data-processing centers in computer networks for ...