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Knuckle Cryptographic Module
Certificate details
| Certificate ID | #5474 |
|---|---|
| Status | active |
| Validation dates | 11.08.2026 |
| Sunset date | 10-08-2031 |
| Standard | FIPS 140-3 |
| Security level | 1 |
| Type | Hardware |
| Embodiment | SingleChip |
| Caveat | No assurance of minimum security of SSPs (e.g., keys, bit strings) that are externally loaded, or of SSPs established with externally loaded SSPs. |
| Exceptions |
|
| Description | The Knuckle Cryptographic Module is defined as a sub-chip cryptographic subsystem within a single-chip physical embodiment. The module is the primary component of a PCIe-based NVMe controller which provides AES-XTS encryption of data-at-rest and key management functionality per Trusted Computing Group (TCG) Opal specifications. The NVMe controller also includes a Google Titan chip for providing a Root of Trust (RoT) and boot security. The Module is intended for use by US Federal agencies or other markets that require FIPS 140-3 validated storage devices. The Module is intended to be used in a storage system. |
| Vendor | Google, Inc. http://www.google.com |
| Lab | Acumen Security |
| References | This certificate's webpage directly references 0 certificates, transitively this expands into 0 certificates. |
Security policy
Extracted keywords
Symmetric Algorithms
AES, AES-256, AES-, CAST, HMAC, CMACHash functions
PBKDFSchemes
MACRandomness
TRNG, DRBG, RBGBlock cipher modes
ECB, CBC, CTR, XTSTrusted Execution Environments
PSPSecurity level
Level 1Automated analysis
Automated inference - use with caution
All attributes shown in this section (e.g., links between certificates, products, vendors, and known CVEs) are generated by automated heuristics and have not been reviewed by humans. These methods can produce false positives or false negatives and should not be treated as definitive without independent verification. This applies equally to the Cross-references section below. If you want to know more about how this data is computed and how reliable it is, see our documentation on automated analysis. If you believe any information here is inaccurate or harmful, please submit feedback.No automatically derived data are available in this section.
Cross-references
No references are available for this certificate.
-
The certificate data changed.
-
The certificate was first processed.
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"FIPS 198-1": 2,
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"CAST": {
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"HMAC": 4
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"tee_name": {
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"tls_cipher_suite": {},
"vendor": {},
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"policy_metadata": {
"/CreationDate": "D:20260805075007-04\u002700\u0027",
"/Creator": "Microsoft\u00ae Word for Microsoft 365",
"/ModDate": "D:20260805075007-04\u002700\u0027",
"/Producer": "Microsoft\u00ae Word for Microsoft 365",
"pdf_file_size_bytes": 576076,
"pdf_hyperlinks": {
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"elements": [
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"web_data": {
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"caveat": "No assurance of minimum security of SSPs (e.g., keys, bit strings) that are externally loaded, or of SSPs established with externally loaded SSPs.",
"certificate_pdf_url": null,
"date_sunset": "2031-08-10",
"description": "The Knuckle Cryptographic Module is defined as a sub-chip cryptographic subsystem within a single-chip physical embodiment. The module is the primary component of a PCIe-based NVMe controller which provides AES-XTS encryption of data-at-rest and key management functionality per Trusted Computing Group (TCG) Opal specifications. The NVMe controller also includes a Google Titan chip for providing a Root of Trust (RoT) and boot security. The Module is intended for use by US Federal agencies or other markets that require FIPS 140-3 validated storage devices. The Module is intended to be used in a storage system.",
"embodiment": "SingleChip",
"exceptions": [
"Non-invasive security: N/A",
"Mitigation of other attacks: N/A"
],
"fw_versions": null,
"historical_reason": null,
"hw_versions": null,
"level": 1,
"mentioned_certs": {},
"module_name": "Knuckle Cryptographic Module",
"module_type": "Hardware",
"revoked_link": null,
"revoked_reason": null,
"standard": "FIPS 140-3",
"status": "active",
"sw_versions": null,
"tested_conf": null,
"validation_history": [
{
"_type": "sec_certs.sample.fips.FIPSCertificate.ValidationHistoryEntry",
"date": "2026-08-11",
"lab": "Acumen Security",
"validation_type": "Initial"
}
],
"vendor": "Google, Inc.",
"vendor_url": "http://www.google.com"
}
}