Sources
The standards and services the signatures rest on, with links to the original documents.
The standards and services mentioned above. Click a title to open it in your browser (most of these documents are in English).
- eIDAS — Regulation (EU) No 910/2014 on electronic identification and trust services (EUR-Lex)
- ETSI EN 319 142-1 — PAdES digital signatures: building blocks and baseline signatures (B-B, B-T, B-LT, B-LTA)
- ETSI TS 119 612 — Trusted Lists (format of the EU and national trusted lists)
- EU Trusted List Browser — the List of Trusted Lists (LOTL) and every national list
- RFC 3161 — Time-Stamp Protocol (TSP): how trusted timestamps are requested and issued
- DigiCert — the free RFC 3161 timestamp service Cachet uses by default
- RFC 5652 — Cryptographic Message Syntax (CMS): the signature container inside the PDF
- RFC 6960 — Online Certificate Status Protocol (OCSP): live certificate revocation checks
- RFC 5280 — X.509 certificates and Certificate Revocation Lists (CRL)
- Belgian eID — official site: the card, the middleware, the PIN and the card reader
- OASIS PKCS #11 — the cryptographic token interface used to talk to the eID card
- Azure Key Vault — about keys: how keys are protected and used for signing in the vault
- Microsoft Entra ID — the identity service used for the azure-mode sign-in
- pyHanko — the open-source PDF signing and validation library Cachet is built on