DS1954B Cryptographic iButton™
Dallas Semiconductor, Inc. - FIPS 140 #32
Provides hardware cryptographic services (e.g., secure private key storage, high-speed math accelerator for 1024-bit public key crypto, hashing). Services are provided using a single silicon chip packaged in a 16mm stainless steel case. Can be worn or attached to an object for info at point of use. Can withstand harsh outdoor environments and is durable for everyday wear.
Key facts
- Scheme
- FIPS 140
- Certificate
- 32
- Standard
- FIPS 140-1
- Security level
- Level 2
- Status
- historical
- Vendor
- Dallas Semiconductor, Inc.
- Module type
- Hardware
- Embodiment
- Multi-Chip Stand Alone
- Lab
- CYGNACOM SOLUTIONS INC
- First validated
- October 28, 1998
- Versions
- ID: B4-V1.02
- Caveat
- When using vendor-initialized SHA-1 in transaction group 1)(Note: This validation has been superseded by validation certificate #41, which meets an Overall Level 3
Algorithms
- SHA-1
Algorithm families of the CAVP certificates listed for this module, plus post-quantum algorithms named in its documents.
CVEs that may affect this product
sec-certs has not matched any CVE to this certificate. That is not proof the product is unaffected.
Related CVEs and certificate references are automated matches by sec-certs, not reviewed by humans: treat them as "may be affected" and verify before acting.
Certificates it builds on
- 41
Certificate ids found in this certificate's documents (automated extraction).
Documents and sources
Source: sec-certs.org (CRoCS, Masaryk University), from NIST CMVP and the Common Criteria Portal - dataset of September 21, 2026 - synced October 15, 2026
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