DS1954B-007 Cryptographic iButton™
DS1954B-007 Cryptographic iButton™, from Dallas Semiconductor, Inc., holds FIPS 140-1 certificate #101 at overall level 3. The validation is historical: agencies may keep the module in existing systems but not buy it new. Below are its validation history, algorithm certificates and security policy, drawn from the NIST CMVP entry.
Caveat: When using vendor-initialized SHA-1 in transaction group 1
Certificate
| Certificate number | 101 |
|---|---|
| Standard | FIPS 140-1 |
| Status | historical |
| Overall level | 3 |
| Module type | Hardware |
| Embodiment | Multi-chip standalone |
| Vendor | Dallas Semiconductor, Inc. · website |
| Hardware versions | ID: B9-V1.02 |
Module description
Quoted from the NIST CMVP entry for this certificate.
Inside the steel perimeter, the secure accounting and cryptographic services are performed to meet the requirements of the United States Postal Service Information Based Indicia Program. See Cert. #41.
Security level exceptions
- Physical Security: Level 3 +EFP
Approved algorithms (1)
| Algorithm | CAVP certificates |
|---|---|
| SHA-1 | 8 |
Other algorithms
MD5; RSA
Validation history
| Date | Type | Lab |
|---|---|---|
| 2000-06-22 | Initial | CYGNACOM SOLUTIONS INC |
Status timeline
As observed by this tracker's snapshots. NIST publishes no dates for list moves; observation began 2026-08-21, so earlier changes carry no date.
- 2026-08-21: first observed by this tracker, status historical
- Validation dates on record: 2000-06-22