EU-based service for irreversible, one-time encrypted file handover. A file is accessed exactly once, then destroyed.

vitalsend.eu

• crypto — client-side encryption, KDF, share-link codec, and the chunked-AEAD worker. The reference implementation behind every VitalSend share link. Auditable; reproducible.

The service itself, its transport, and its orchestration remain closed.

The published code is licensed under AGPL-3.0-only (see each repo's LICENSE file).

A commercial license is available for use cases incompatible with AGPL's copyleft. Contact support@vitalsend.eu.

To report a vulnerability:

• Email security@vitalsend.eu — do not open a public GitHub issue.
• Full policy, scope, and safe harbour: vitalsend.eu/security/disclosure/

Built by Jörgen Karlsson, founder of VitalSend.