Articles - Sigalion

CAdES-T: a versatile and durable electronic signature format

Published on 27/07/2026

An electronic signature is not valid forever, it is valid at a date. Among the signature formats recognised by the eIDAS regulation, CAdES is the one that applies to any type of file. Its level T adds what so many signatures lack: a date that can be proven.

Certified timestamping: prove the existence of your documents at a specific date

Published on 25/03/2026

Protecting a document is not always enough. You also need to prove it existed at a given date. RFC 3161 timestamping and ASiC-S envelopes provide this legally recognized proof. Discover how this "time seal" works and how Sigalion makes it available.

GDPR and file transfers: secure your professional exchanges

Published on 16/01/2026

Sending a confidential file by email or via a cloud service is taking a risk. Discover why end-to-end encryption is essential to protect your professional exchanges and stay GDPR compliant.

Post-Quantum Security in Sigalion Vault: Today and Tomorrow

Published on 08/11/2025

Do quantum computers threaten your current data? Discover how Sigalion Vault protects you today with encryption algorithms already resistant to quantum attacks, and how the application will evolve to stay secure tomorrow.

Encrypted File Transfer: Share Your Sensitive Documents Securely

Published on 14/10/2025

Discover how Sigalion Vault allows you to share your confidential files securely through end-to-end encryption and a unique temporary link system.

Key Derivation Functions: PBKDF2 and Argon2id

Published on 18/04/2025

The security of your confidential data doesn't solely rely on encryption strength. An equally crucial element lies upstream: how your passwords are transformed into cryptographic keys.

Encryption with X.509 Certificate: How Does It Work?

Published on 23/02/2025

Discover how X.509 certificates help secure your sensitive documents through a hybrid approach combining asymmetric and symmetric encryption.