A Personal Identification Number (PIN) is a relatively short (typically 4–8 digits) numeric string that is used as a password to authenticate a user to a device such as a smart card, an Automated Teller Machine (ATM), or a mobile phone. Standards addressing the management and security of PINs include ANSI X9.8 and ISO 9564.
References
Menezes, A., P.C. van Oorschot, and S. Vanstone (1997). Handbook of Applied Cryptography. CRC Press, Boca Raton, FL.
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Adams, C. (2005). Personal Identification Number (PIN). In: van Tilborg, H.C.A. (eds) Encyclopedia of Cryptography and Security. Springer, Boston, MA . https://doi.org/10.1007/0-387-23483-7_299
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DOI: https://doi.org/10.1007/0-387-23483-7_299
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