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Date: 15th Jun 2011

Sony enhanced its FeliCa contactless IC chip to support AES

Sony Corporation has enhanced its contact-less IC chip FeliCa with support for Advanced Encryption Standard (AES) encryption along with the existing DES encryption system for mutual authentication and data communication. The sample chip will be available for shipment from this winter, and mass production will start in the spring of 2012.

The FeliCa contactless chip is for card or mobile phone products for secure id applications including transit and payment where a high secure transaction is required. Sony says to date, more than 500 million FeliCa cards and mobile phone IC chips in total have already shipped throughout the world.

The newly developed IC chip will have the same command set as the current DES-based FeliCa card system so that the FeliCa card with the new chip can easily be introduced into existing services. The new chip will have a security-migration function so that it will easily be able to migrate from the existing security system to the new AES encryption-based security.
JR East Group cooperated with Sony regarding the specification for the new OS.


Other notable features include:
Anti-tampering technology will be implemented to achieve higher than EAL5+ certification level according to ISO/IEC15408 common criteria.

Improves the reliability of nonvolatile memory data by implementing new Error Checking and Correcting (ECC) functionality.

New FeliCa IC chip Current FeliCa(Standard) IC chip
Communication standard Supports ISO/IEC18092 (212kbps or 424 kbps passive communication mode)
Operating frequency 13.56MHz
Modulation method ASK modulation
Bit coding Manchester encoding system
Communication speed Supports automatic 212/424kbps switching Supports automatic 212/424kbps switching (*1 *2)
Nonvolatile memory Memory size 6KB 4KB(*2*3)
Error Checking and Correcting (ECC) function Yes None
User memory 255 blocks (*4 *5) 154 blocks (*2 *3 *4 *6)
Memory separation 4 partitions 4 partitions (*1 *2)
Reader/Writer authentication Mutual authentication via triple DES or AES (128bit key length) encryption algorithm Mutual authentication via triple DES encryption algorithm
Communication path encryption DES or AES encryption algorithm DES encryption algorithm
Supported commands DES encrypted commands, AES encrypted commands and non-encrypted commands DES encrypted commands and non-encrypted commands


 
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