Home

DigiDoc4 Client is a part of Estonian national ID-software developed by governmental institution - Estonian Information System Authority.

DigiDoc4 Client is a program that can be used to sign digitally with ID-card, Mobile-ID and Smart-ID, check the validity of digital signatures, open and save documents inside the signature container, encrypt and decrypt files and review personal information stored on the ID-card. Digitally signed containers are files with .ddoc, .bdoc or .asice extensions, encrypted/decrypted files are with .cdoc extension.

How to use it

• Official builds are provided through id.ee.
• Binaries available at:
  • Windows / Ubuntu
  • macOS
• Download the latest release.
• See the Application development guide. Your contribution and pull requests are more than welcome.

Features

• Creating ASiC-E containers.
• Validating ASiC-E, BDOC, ASIC-S and DDOC containers.
• Encrypting and decrypting CDOC containers.

Requirements

• Build requirements as described in README.md.
• Internet access to external verification services.
• EU TSL (European Commission's Trusted Status List) - https://ec.europa.eu/information_society/policy/esignature/trusted-list/tl-mp.xml All the EU member states' TL servers referred in the EU TSL. Note that this list may change. (e.g. https://sr.riik.ee/tsl/estonian-tsl.xml, https://sede.minetur.gob.es/Prestadores/TSL/TSL.xml, https://www.viestintavirasto.fi/attachments/TSL-Ficora.xml etc.).
• OCSP (Online Certificate Status Protocol) - for signing (http://ocsp.sk.ee).
• TSA (Time Stamping Authority) - for signing (http://tsa.sk.ee etc.).