CCID descriptor statistics: bInterfaceProtocol
Article from the serie "CCID descriptor statistics"
The bInterfaceProtocol field is a number value from the CCID USB descriptor: Protocol code
For Integrated Circuit(s) Cards Interface Devices (CCID) 00h
Note: For competitiveness, values 01h and 02h are reserved for Integrated Circuit(s) Cards Devices (USB-ICC) and other values are reserved for future use. USB-ICCs are out of the scope of this specification.
| bInterfaceProtocol | # | % |
|---|---|---|
| 0 | 243 | 95.67 % |
| 2 | 8 | 3.15 % |
| 1 | 3 | 1.18 % |
USB-ICC devices are USB devices with the same chip for reader and smart card. They are aften called token.
They follow a different USB specificiation: "Device Class: Smart Card ICCD", Revision 1.0, April 2005.
According to this specification:
The given value indicates the transfer mode used for the communication between the host and the USB-ICC.Version A ICCD tokens are:
00h bulk transfers optional interrupt-IN
01h version A, Control transfers, (no interrupt-IN)
02h version B, Control transfers (optional interrupt-IN).
- ActivCard ActivCard USB Reader V2
- BIFIT iBank2Key
- SchlumbergerSema SchlumbergerSema Cyberflex Access
Version B ICCD tokens are:
- Gemalto PDT
- Giesecke & Devrient GmbH Star Sign Card Token 350 (ICCD)
- Giesecke & Devrient GmbH Star Sign Card Token 550 (ICCD)
- KEBTechnology KONA USB SmartCard
- OCS ID-One Cosmo Card USB Smart Chip Device
- Philips Semiconductors JCOP41V221
- Philips Semiconductors SmartMX Sample