Cr50 U2F Cryptographic Library
Google, LLC - FIPS 140 #4652
The Cr50 U2F Cryptographic Library is a firmware-hybrid module residing in the Google, LLC Google Security Chips (GSC) chip. The module is responsible for low-level cryptographic primitives on Google Security Chips (GSC) used in recent versions of Google Chromebooks, and includes functionality for key generation, signature generation, random bit generation, keyed-hashing and signature verification operations in support of U2F-related requests in the Cr50 Chrome OS.
Key facts
- Scheme
- FIPS 140
- Certificate
- 4652
- Standard
- FIPS 140-2
- Security level
- Level 1
- Status
- historical
- Vendor
- Google, LLC
- Module type
- Firmware-Hybrid
- Embodiment
- Single Chip
- Lab
- Acumen Security
- First validated
- November 6, 2023
- Versions
- H1B2P; 1.0.1
- Caveat
- When operated in FIPS mode. No assurance of the minimum strength of generated keys.
Algorithms
- DRBG
- ECDSA
- HMAC
- SHS
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.
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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