Trust Directory
Independent public mirror of national PKI trust anchors, not an authority. Certificates are published by each national PKI (e.g., BCCR for Costa Rica); this site mirrors and structures them.
Intermediate CAValid (781 days left)

YOUSIGN SAS - QUALIFIED SIGNATURE CA

France · Published by ANSSI — Agence nationale de la sécurité des systèmes d'information (French eIDAS supervisory body); Trusted List published on the national scheme-operator portal (messervices.cyber.gouv.fr)

Download .pemBack to France

The issuer "YOUSIGN SAS - ROOT2 CA" is not present in this mirror, so the chain below starts at this certificate.

Certificate chain

Trust path from the root down to this certificate.

  1. YOUSIGN SAS - QUALIFIED SIGNATURE CAIntermediate CA

Certificate fields

Subject (CN)
YOUSIGN SAS - QUALIFIED SIGNATURE CA
Issuer (CN)
YOUSIGN SAS - ROOT2 CA
Role
Intermediate CA
Key algorithm
RSA-4096
Validity
Valid (781 days left)
Valid from
Valid to
Serial number
2db856b5e3a2c79b
SHA-256
947253fd2ba617f14fb0930d9db35dc41c1baf88834f651b6e56164eef6cf3f8
Decentralized ID (did:pki)
did:pki:fr:yousign:qualified-signature-caResolve →

This CA is addressable as a did:pki decentralized identifier, derived from its subject and resolvable to a W3C DID Document.

CRL
http://crl.yousign.fr/crl/yousignsasroot2ca.crl
http://crl2.yousign.fr/crl/yousignsasroot2ca.crl
http://crl3.yousign.fr/crl/yousignsasroot2ca.crl
File
yousign-sas-qualified-signature-ca-947253fd.pem

Provenance

This certificate is public data published by ANSSI — Agence nationale de la sécurité des systèmes d'information (French eIDAS supervisory body); Trusted List published on the national scheme-operator portal (messervices.cyber.gouv.fr). This site mirrors and structures it; it is not the issuing authority. The SHA-256 fingerprint above is provided as tamper evidence: recompute it against the downloaded .pem to confirm integrity.

Mirror snapshot generated Jul 23, 2026, 03:13 p.m. UTC.