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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