YubiKey 4 Cryptographic Module

Certificate details

Certificate ID #3204
Status revoked
Revoked reason The firmware versions have a security flaw. https://www.yubico.com/support/security-advisories/ysa-2019-02/
Validation dates 21.06.2018 , 07.02.2019 , 30.04.2019
Standard FIPS 140-2
Security level 2
Type Hardware
Embodiment Single Chip
Caveat When operated in FIPS mode. The module generates cryptographic keys whose strengths are modified by available entropy
Exceptions
  • Physical Security: Level 3
  • EMI/EMC: Level 3
  • Design Assurance: Level 3
  • Mitigation of Other Attacks: N/A
Description The Yubikey 4 cryptographic module is a secure element that supports multiple protocols designed to be embedded in USB security tokens. The module can generate, store, and perform cryptographic operations for sensitive data and can be utilized via an external touch-button for Test of User Presence in addition to PIN for smart card authentication.The module implements five major functions - Yubico One Time Password (OTP), FIDO Universal 2nd Factor (U2F), PIV-compatible smart card, OpenPGP smart card and OATH OTP authentication.
Version (Hardware) SLE78CLUFX3000PH
Version (Firmware) 4.4.2, 4.4.4
Vendor Yubico, Inc. http://www.yubico.com
Lab UL Verification Services, Inc.
Algorithms
References

This certificate's webpage directly references 0 certificates, transitively this expands into 0 certificates.
Certificate
Webpage

Security policy

Extracted keywords

Symmetric Algorithms
AES, DES, TDES, 3DES, HMAC, CMAC
Asymmetric Algorithms
RSA 2048, ECDH, ECDSA, ECC
Hash functions
SHA1, SHA256
Schemes
Key agreement
Randomness
DRBG, RNG
Block cipher modes
ECB, CBC, CTR, CCM

Security level
Level 2, Level 3

Title Microsoft Word - 210u - Yubico YubiKey 4 Security Policy v1.2_03.25.2019.docx
Author lgarcia
Creation date D:20190419094715-07'00'
Modification date D:20190419094715-07'00'
Pages 34
Creator PScript5.dll Version 5.2.2
Producer Acrobat Distiller 17.0 (Windows)

Automated analysis

Automated inference - use with caution

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No automatically derived data are available in this section.

Cross-references

No references are available for this certificate.

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Raw data

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    "module_prunned_references": {
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      "ic_data_group": {},
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        "constructions": {
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      "tee_name": {},
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      "vendor": {},
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    "policy_metadata": {
      "/Author": "lgarcia",
      "/CreationDate": "D:20190419094715-07\u002700\u0027",
      "/Creator": "PScript5.dll Version 5.2.2",
      "/ModDate": "D:20190419094715-07\u002700\u0027",
      "/Producer": "Acrobat Distiller 17.0 (Windows)",
      "/Title": "Microsoft Word - 210u - Yubico YubiKey 4 Security Policy v1.2_03.25.2019.docx",
      "pdf_file_size_bytes": 402024,
      "pdf_hyperlinks": {
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        "elements": []
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      "pdf_is_encrypted": false,
      "pdf_number_of_pages": 34
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  },
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    "module": {
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      "convert_ok": true,
      "download_ok": true,
      "extract_ok": true,
      "json_hash": null,
      "source_hash": null,
      "txt_hash": null
    },
    "policy": {
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      "convert_ok": true,
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      "extract_ok": true,
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  },
  "web_data": {
    "_type": "sec_certs.sample.fips.FIPSCertificate.WebData",
    "caveat": "When operated in FIPS mode. The module generates cryptographic keys whose strengths are modified by available entropy",
    "certificate_pdf_url": "https://csrc.nist.gov/CSRC/media/projects/cryptographic-module-validation-program/documents/certificates/JuneCertFinal.pdf",
    "date_sunset": null,
    "description": "The Yubikey 4 cryptographic module is a secure element that supports multiple protocols designed to be embedded in USB security tokens. The module can generate, store, and perform cryptographic operations for sensitive data and can be utilized via an external touch-button for Test of User Presence in addition to PIN for smart card authentication.The module implements five major functions - Yubico One Time Password (OTP), FIDO Universal 2nd Factor (U2F), PIV-compatible smart card, OpenPGP smart card and OATH OTP authentication.",
    "embodiment": "Single Chip",
    "exceptions": [
      "Physical Security: Level 3",
      "EMI/EMC: Level 3",
      "Design Assurance: Level 3",
      "Mitigation of Other Attacks: N/A"
    ],
    "fw_versions": "4.4.2, 4.4.4",
    "historical_reason": null,
    "hw_versions": "SLE78CLUFX3000PH",
    "level": 2,
    "mentioned_certs": {},
    "module_name": "YubiKey 4 Cryptographic Module",
    "module_type": "Hardware",
    "revoked_link": "https://www.yubico.com/support/security-advisories/ysa-2019-02/",
    "revoked_reason": "The firmware versions have a security flaw.",
    "standard": "FIPS 140-2",
    "status": "revoked",
    "sw_versions": null,
    "tested_conf": null,
    "validation_history": [
      {
        "_type": "sec_certs.sample.fips.FIPSCertificate.ValidationHistoryEntry",
        "date": "2018-06-21",
        "lab": "UL Verification Services, Inc.",
        "validation_type": "Initial"
      },
      {
        "_type": "sec_certs.sample.fips.FIPSCertificate.ValidationHistoryEntry",
        "date": "2019-02-07",
        "lab": "UL Verification Services, Inc.",
        "validation_type": "Update"
      },
      {
        "_type": "sec_certs.sample.fips.FIPSCertificate.ValidationHistoryEntry",
        "date": "2019-04-30",
        "lab": "UL Verification Services, Inc.",
        "validation_type": "Update"
      }
    ],
    "vendor": "Yubico, Inc.",
    "vendor_url": "http://www.yubico.com"
  }
}