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K.Sign® benefits from technical and sales agreements between KEYNECTIS and software vendors Adobe, Microsoft, Lex Persona and Sage, who integrate digital signature functions into their products. These partnerships guarantee that the signed documents you send will be verified automatically by their recipients.

K.Sign enables you to generate a digital signature using applications such as Adobe Acrobat, Microsoft Office 2010 and Open Office. See the complete list here


K.Sign® applies a digital signature to your documents, which can be verified automatically by the document recipient with applications such as Adobe Reader, Microsoft Office 2010 and Open Office.

K.Sign® enables you to produce a ready-to-archive, legally enforceable document (PDF and PDF/A formats, signature and timestamping)

K.Sign® is based on ETSI TS 101- 456 certification policies and enables compliance with RFC 3161, OCSP, PKCS#7 and PDF ISO 32 000 standards

Technical characteristics:

  • SHA-256 or SHA-128 signature algorithm
  • 2048-bit key length
  • Qualified or Signature & Authentication key usage
  • Cryptographic device for use in Microsoft, Apple and Linux environments

K.Sign includes

  • A cryptographic card (CC EAL4+ certified) with identity and signature certificates and installation software for the environment of your choice
  • Access rights to the KEYNECTIS OCSP server
  • Access rights to the KEYNECTIS timestamping server
  • Access to KEYNECTIS’s customer service for user support