TrustMe © W77Q64/W77Q128 Sub-Chip
Winbond Electronics Corporation - FIPS 140 #5039
The W77Q64/W77Q128 flash device implements an internal hardware HASH function (SHA2-256) that is used for cryptographic encryption of the communication channel, cryptographic read and write locks, cryptographic protection of data integrity, cryptographic over-the-air (OTA) firmware update, Root of Trust functions.
Key facts
- Scheme
- FIPS 140
- Certificate
- 5039
- Standard
- FIPS 140-3
- Security level
- Level 1
- Status
- active
- Vendor
- Winbond Electronics Corporation
- Module type
- Hardware
- Embodiment
- Single Chip
- Lab
- Acumen Security
- First validated
- July 9, 2025
- Sunset date
- July 8, 2030
- Versions
- 1.0
- Caveat
- None
Algorithms
- SHA2-256
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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