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ISO/IEC 13157-3:2016

Information technology - Telecommunications and information exchange between systems - NFC Security - Part 3: NFC-SEC cryptography standard using ECDH-256 and AES-GCM

ISO/IEC 13157-3:2016 specifies the message contents and the cryptographic methods for PID 02.

It specifies cryptographic mechanisms that use the Elliptic Curves Diffie-Hellman (ECDH) protocol with a key length of 256 bits for key agreement and the AES algorithm in GCM mode to provide data authenticated encryption.


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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