David Koontz writes:
The AT&T Surety Communications Voice/Data Terminal 4100 is an STUIII with a type IIIe (e for export, read clipper) cryptographic algorithm, the model numbers for type I and type II STUIIIs are series 1000 and 2000 respectively.
Wow, I'm pretty sure I have some 4100 data sheets I got ~9 months ago that said the 4100 did not use clipper, but used some "proprietary" algorithm. The 3600 sheets I rcvd at the same time did make reference to clipper. I'll have to dig them out and check.
AT&T Surity (tm) Voice/Data Terminal 4100 For Sensitive, Business Applications
4100
Specifications:
...
Security features
- Clipper encryption algorthin - Display window for - Secure Access Control authentification identification System (SACS) - Information to create a call - Auto-answer, auto-secure audit trail - Active and passive terminal - Non-error propagating zeroization - Plain text inhibit
Anybody know what SACS is? Eric Blossom