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Smart card application protocol data unit

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In the context of smart cards, an application protocol data unit (APDU) is the communication unit between a smart card reader and a smart card. The structure of the APDU is defined by ISO/IEC 7816-4 Organization, security and commands for interchange.[1]

References

  1. ^ "ISO/IEC 7816-4:2005 Identification cards — Integrated circuit cards — Part 4: Organization, security and commands for interchange". Iso.org. 2008-10-03. Retrieved 2012-01-27.
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