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Marten Rebane edited this page Jan 11, 2022 · 5 revisions

How to use it

ASiC-E (Associated Signature Container Extended) container format

  • Has .asice or .sce extension.
  • This format is default format since 2019.
  • ASIC-E containers are in compliance with EU standards.
  • Signatures are stored in XAdES format.
  • Supports following signature formats:
    • LT (Long Term) - Signature with time-stamp and OCSP (both "regular" and AIA OCSP are supported).
    • LTA (Long Term Archival) - signature format has additional archival time-stamp to LT profile.
  • .asice or .sce file is in fact a ZIP container with the signed files, the signatures and the protocol control information and can basically be opened by any program that recognizes the ZIP format.
  • It is recommended not to use special characters in the data file’s name, i.e. it is suggested to use only the characters that are categorized as “unreserved” according to RFC3986 (http://tools.ietf.org/html/rfc3986).

BDOC (Estonian specific implementation of Associated Signature Container Extended) container format

  • Has .bdoc extension
  • BDOC is a digital signature format developed in 2014 to replace the old, DDOC (DigiDoc) digital signature format.
  • This format has been used as a default digital signature format in Estonia since 2015 until end of 2018.
  • BDOC container is based on ASiC-E standard.
  • Signatures are stored in XAdES format.
  • Supports signature formats:
    • LT_TM (Long Term TimeMark) - signature has time-mark ensuring long-term provability of the authenticity of the signature.
      • It is based on XAdES baseline LT signature format.
  • .bdoc file is in fact a ZIP container with the signed files, the signatures and the protocol control information and can basically be opened by any program that recognizes the ZIP format.
  • It is recommended not to use special characters in the data file’s name, i.e. it is suggested to use only the characters that are categorized as “unreserved” according to RFC3986 (http://tools.ietf.org/html/rfc3986).

ASiC-S (ASiC-E - Associated Signature Container Simple) container format

  • Has .asics or .scs extension
  • Container associates one data file with either:
    • one signature file containing one or more detached digital signature(s) that apply to it; or
    • one time assertion file containing a time assertion that apply to it.
  • This format is used for timestamping the old DDOC containers in order to prove the inviolability of documents.
  • Signing not supported on RIA DigiDoc Android app

DDOC container format

  • Has .ddoc extension
  • An old DigiDoc digital signature format
  • Since year 2015 it's recommended not to sign documents in the DDOC format
  • It is based on XML Advanced Electronic Signatures (XAdES) format, corresponding to profile XAdES-X-L
  • The DigiDoc container includes the source files (the files that were signed) as well as the signatures that are related to the signed file(s)
  • Every signature contains the certificate, validity confirmation and the validity confirmation service certificate.
  • Signing not supported on RIA DigiDoc Android app

Documentation

Requirements

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