Silo Type Identifier (STID) Assignments
| STID | Vendor | Allocation Date | Silo Name | Silo Description | 
|---|---|---|---|---|
| 00000000h .. 000000FFh  | 
IEEE 1667 | 8/10/06 | Reserved | These Silo Identifiers are reserved for development only | 
The Following Silos are Defined in an IEEE 1667™ Standard
| STID | Vendor | Allocation Date | Silo Name | Silo Description | 
|---|---|---|---|---|
| 00000100h | IEEE 1667 | 8/10/06 | Probe | Mandatory silo for all ACTs, providing silo identification and configuration information | 
| 00000101h | IEEE 1667 | 8/10/06 | Certificate Authentication | Authenticate certificates for a host. (Last documented in IEEE 1667-2009) | 
| 00000102h | IEEE 1667 | 9/21/08 | Password | Silo providing host authentication to the silo using a password before access to user data is authorized | 
| 00000103h | IEEE 1667 | 11/22/08 | Smart card Transport | Transport Smart card specific security commands via the IEEE 1667 protocol | 
| 00000104h | IEEE 1667 | 7/23/09 | TCG Storage Transport | Transport TCG specific security commands via the IEEE 1667 protocol | 
The Protocols Defined by the Following Silos are Not Defined in the IEEE 1667 Standard
| STID | Vendor | Allocation Date | Silo Name | Silo Description | 
|---|---|---|---|---|
| 00008000h | SanDisk | 11/20/06 | U3 | Silo implementing commands defined by the U3 Specification Device Level API version 1.1 | 
| 00008001h | SanDisk | 3/1/08 | Trusted Flash | Silo implementing the SanDisk proprietary TrustedFlash® security interface. TrustedFlash provides password and certificate based authentication, secure communications and access control. | 
| 00008002h | SanDisk | 3/1/08 | Startkey | Silo implements StartKey hardware specific commands | 
| 00008003h | SanDisk | 3/11/08 | Extensible Memory | Silo supporting transient storage devices with extensible memory. Commands are provided to query the size of each memory, request data from each memory, configure memory, and update data in memory. | 
| 00008004h | SanDisk | 7/30/08 | Secure software | Silo providing storage and access to verifiable software securely stored in a device. | 
| 00008005h | Microsoft | 9/21/08 | Password | Silo providing host authentication to the silo using a password before access to user data is authorized. | 
| 00008006h | Gemalto | 11/22/08 | Smart card Transport | Transport Smart card specific security commands via the IEEE 1667 protocol | 
| 00008007h | Seagate | 7/23/09 | TCG Storage Transport | Transport TCG specific security commands via the IEEE 1667 protocol | 
| 00008008h | Anonymous | 8/1/09 | Anonymous | Anonymous | 
| 00008009h | Anonymous | 8/1/09 | Anonymous | Anonymous | 
| 0000800Ah | Anonymous | 8/1/09 | Anonymous | Anonymous | 

