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  2. Electronic signature - Wikipedia

    en.wikipedia.org/wiki/Electronic_signature

    An electronic signature, or e-signature, is data that is logically associated with other data and which is used by the signatory to sign the associated data. [1] [2] [3] This type of signature has the same legal standing as a handwritten signature as long as it adheres to the requirements of the specific regulation under which it was created (e.g., eIDAS in the European Union, NIST-DSS in the ...

  3. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    Digital signatures cryptographically bind an electronic identity to an electronic document and the digital signature cannot be copied to another document. Paper contracts sometimes have the ink signature block on the last page, and the previous pages may be replaced after a signature is applied.

  4. DigiDoc - Wikipedia

    en.wikipedia.org/wiki/DigiDoc

    DigiDoc (Digital Document) is a family of digital signature- and cryptographic computing file formats utilizing a public key infrastructure.It currently has three generations of sub formats, DDOC- , a later binary based BDOC and currently used ASiC-E format that is supposed to replace the previous generation formats.

  5. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2. PDF files may also contain embedded DRM restrictions that provide further controls that limit copying, editing, or printing. These restrictions depend on the reader software to obey them ...

  6. Digital Signature Services - Wikipedia

    en.wikipedia.org/wiki/Digital_Signature_Services

    With this PAdES format multiple signatures in a workflow and the visual representation of an electronic signature in a PDF document can be realised. For use within the eIDAS environment, the support of so-called “policies” by the DSS-X specification proves to be valuable.

  7. Office Open XML - Wikipedia

    en.wikipedia.org/wiki/Office_Open_XML

    The Open Packaging Conventions (OPC), for the package model and physical package, is defined and used by various document types in various applications from multiple vendors. It defines core properties, thumbnails, digital signatures, and authorizations & encryption capabilities for parts or all of the contents in the package.

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