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General description

The ICODE DNA is a leading-edge HF tag IC targeting brand protection tagging

applications which require HF long read range as well as cryptographic authentication

check.The security is based in the first place on a 128-bit AES key which is securely

stored on IC’s and which is used to perform cryptographic authentication by an AES

coprocessor. The current version of the ICODE DNA supports the following features:

• Tag and mutual authentication using AES128

• 3 user keys for tag authentication and/or mutual authentication

• Separate privileges to define different access rights per key

• Flexible user memory segmentation with corresponding access conditions

• 2016-bit available user memory

• NXP originality signature

• Counter feature

Features and benefits

2.1 ICODE DNA RF interface (ISO/IEC 15693)

 Contactless transmission of data and supply energy (no battery needed)

 Operating frequency: 13.56 MHz (ISM, world-wide license freely available)

 Fast data transfer: up to 53 kbit/s

 High data integrity: 16-bit CRC, framing

 True anticollision

 Electronic Article Surveillance (EAS)

 Application Family Identifier (AFI) supported

 Data Storage Format Identifier (DSFID)

 Cryptographic tag/mutual authentication

 Additional fast anticollision read

 Persistent quiet mode to enable faster inventory speed

2.2 EEPROM

 2048 bits user memory, organized in 64 blocks of 4 bytes each (last block reserved for

counter feature)

 50 years data retention

 Write endurance of 100,000 cycles

2.3 Security

 Unique identifier for each device (8 bytes)

 32 byte originality signature

 Lock mechanism for each user memory block (write protection)

 Lock mechanism for DSFID, AFI, EAS

 AES Crypto-core for tag/mutual authentication with three 128-bit keys

 User memory segmentation with flexible access conditions with mutual authentication

(privileges)

 Separate privileges for Read/Write access, EAS/AFI, Privacy and Destroy

 16-bit counter