Yubico Preview Device Attestation CA
====================================

Last Update: 2025-11-25

Yubico manufactures security keys that contain device attestation
certificates signed by a Yubico CA. This file contains CA certificates
of limited-availability preview devices.

Please refer to the main CA certificates file for more information:

  https://developers.yubico.com/PKI/yubico-ca-certs.txt

This file has been signed with OpenPGP and you should verify the
signature and the authenticity of the public key before trusting the
content. The signature is located next to the file:

  https://developers.yubico.com/PKI/preview/yubico-preview-ca-certs.txt
  https://developers.yubico.com/PKI/preview/yubico-preview-ca-certs.txt.sig

Signing keys and verification instructions are listed here:

  https://developers.yubico.com/Software_Projects/Software_Signing.html


Name: Yubico PIV Preview CA
Issued: 2018-04-12

Name: Yubico PIV Preview CA
Issued: 2019-02-18

Name: Yubico 2023 PIV Preview CA
Issued: 2023-09-25

Name: "Yubico 2025 PIV Attestation Preview CA "
Issued: 2025-09-01

Address: https://developers.yubico.com/PKI/preview/yubico-piv-preview-ca-certs.pem
         https://developers.yubico.com/PKI/preview/yubico-piv-preview-ca-certs.pem.sig

-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----


Name: Yubico FIDO Preview CA
Issued: 2018-04-12

Name: Yubico FIDO Preview CA
Issued: 2019-02-18

Name: Yubico FIDO Preview CA 2020
Issued: 2020-08-31

Name: Yubico 2023 FIDO Preview CA
Issued: 2023-09-25

Name: "Yubico 2025 FIDO Attestation Preview CA "
Issued: 2025-09-01

Address: https://developers.yubico.com/PKI/preview/yubico-fido-preview-ca-certs.pem
         https://developers.yubico.com/PKI/preview/yubico-fido-preview-ca-certs.pem.sig

-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----


Name: Yubico 2023 OPGP Preview CA
Issued: 2023-09-25

Name: "Yubico 2025 OPGP Attestation Preview CA "
Issued: 2025-09-01

Address: https://developers.yubico.com/PKI/preview/yubico-opgp-preview-ca-certs.pem
         https://developers.yubico.com/PKI/preview/yubico-opgp-preview-ca-certs.pem.sig

-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----


Name: "Yubico 2025 SD Attestation Preview CA "
Issued: 2025-09-01

Address: https://developers.yubico.com/PKI/preview/yubico-sd-preview-ca-certs.pem
         https://developers.yubico.com/PKI/preview/yubico-sd-preview-ca-certs.pem.sig

-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----