As a Certification Authority (CA), Yousign is accountable to expose technical documents to independent security experts.
These documents can be viewed by following these links (the documentation is mainly in French because Yousign is audited by French auditors):
Politique de certification de l'AC : YOUSIGN SAS - ROOT2 CA (1.5)
Checksum : sha256
0e7fad8b19215709203158ff43ebe60c3f7605e132bb7ecb62b278ad440bab21
Politique de certification de l'AC : YOUSIGN SAS - SIGN2 CA (1.2.5)
Checksum: sha256
c8b8ba71eb1fa974d3215c8a6e005045590d06c82fb23bce7d2a8ea898797ed2
Politique d'horodatage (1.0.6)
Checksum : sha256
f0834cff3e43f2f46909271583c207ddce456be81841e8113676fc5439c54c4e
Politique de certification de l'AC : YOUSIGN SAS - SIGN2 CA cachet serveur (1.0.4)
Checksum : sha256
60c861eee499cc6e04481e70d61718d60ef74ba03fd0365d72e96db0e8b5fc2f
Politique de certification de l'AC : YOUSIGN SAS - QUALIFIED SIGNATURE CA (1.0.3)
Checksum: sha256
9e3e12ce8fe254dc05f89ac6077cff9b3fbcf2121542068f84636ae978efc901
Politique de certification de l'AC : YOUSIGN SAS - QUALIFIED SEAL2 CA (1.0.4)
Checksum : sha256
e51044ca6c8197586490a700c20e61eeed38bef9155584b7735e7fdfa915b7db
Certificate of CA: YOUSIGN SAS - ROOT2 CA
Checksum: sha256
04d538df57f0fe6c24322c46578bc94d286d6e7fe6ca2754932b983da6008917
Certificate of CA : YOUSIGN SAS - SIGN2 CA
Checksum : sha256
9650adfae2495273b1d1bd681c13b8d3b7f0d2390a3ae97b74d75f35faa027fe
Checksum : sha256
8ea222ef9d2b901ce552269e7afbb743c56d4da805a2716b4551308a67b57120
Certificate of CA: YOUSIGN SAS - QUALIFIED SIGNATURE CA
Checksum : sha256
918ce9e7e367ceb9cf49719c4797166df2040b031d6421b491ec9b8de5d80d8a
Certificate of CA : YOUSIGN SAS - QUALIFIED SEAL2 CA
Checksum: sha256
be2c8c2a902b520ed6bae14825861a3a6d590d5222abbd67e29e044783143218
General Conditions of Use - YOUSIGN SAS - SIGN2 CA (1.1.5)
Tips: Used for advanced signature feature
Checksum : sha256
3ea491a91b59c9cfe41b2ebc707b5f020f72dd7b4586825f7c20d3c1ac956955
Conditions Générales d'Utilisation Certificat d'horodatage (1.1.5)
Checksum : sha256
dbc72690b6a6fcfa065b7317f8eb2f6415da1e5109204e9ce55805ee0a2e3d8c
Conditions Générales d'Utilisation de l'AC : YOUSIGN SAS - QUALIFIED SIGNATURE CA (1.0.5)
Checksum : sha256
3d2a82f30288721b2325f888ae7d9bb21ec78bcfc1240e92aac07bd8caa4e08f
Conditions Générales d'Utilisation de l'AC : YOUSIGN SAS - QUALIFIED SEAL2 CA (1.0.5)
Checksum: sha256
d43d77cdc35310c6b3fdd55c8ceec5af1ee3a398102629e577fd467555688568
Conditions Générales d'Utilisation - YOUSIGN SAS - HORODATAGE (1.0.5)
Checksum: sha256
f268013ee063e2fe895fc7de073fb4d9405ddbacae1a58a70cb53fbce24f7183