Authentication of a card by contactless reading

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United States of America Patent

PATENT NO 10218500
APP PUB NO 20170353303A1
SERIAL NO

15332746

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The invention relates to a method of authentication of a contactless communication circuit, PICC, by a contactless communication terminal, PCD. Within the PICC, a first number is generated by encryption of a second random number, and the first number is sent to the PCD. Within the PCD, a third number is generated by decryption of the first number. Also within the PCD, a fourth number is determined and encrypted to generate a fifth number. The fifth number has first and second portions. Back within the PICC, a sixth number is determined, which is used in the determination of a seventh number. The seventh number is determined by encryption by a cipher block chaining operating mode of the sixth number with an initialization vector equal to the first portion. If the seventh number is different from the second portion, the authentication is interrupted.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
STMICROELECTRONICS INTERNATIONAL N VCHEMIN DU CHAMP-DES-FILLES 39 PLAN-LES-OUATES GENEVA 1228

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cuypers, Frank De Pinte, BE 10 91

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