ICODE DNA NFC Forum Type 5 Tag with AES Cryptography

SL2S6002FUD

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. This 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 ICODE DNA IC can be operated without line of sight up to a distance of 1.5 m (gate width). No battery is needed. When the smart label is positioned in the field of an interrogator antenna, the high-speed RF communication interface enables data to be transmitted up to 53 kbit/s.

The ICODE DNA contains an intelligent anticollision function enables several tags to operate in the field simultaneously. The anticollision algorithm selects each tag individually and ensures that the execution of a transaction with a selected tag is performed correctly without data corruption resulting from other tags in the field.

Several security and privacy aspects are contained on the ICODE DNA such as UID, Originality signature, EAS and AFI functionality, among others.

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Block Diagram

ICODE DNA Block Diagram

ICODE DNA Block Diagram
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Features

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

EEPROM

  • 2048 bits user memory, organized in 64 blocks of 4 bytes each (last blockreserved for counter feature)
  • 50 years data retention
  • Write endurance of 100,000 cycles

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 mutualauthentication (privileges)
  • Separate privileges for Read/Write access, EAS/AFI, Privacy and Destroy
  • 16-bit counter

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