XADES

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    XAdES


    XAdES (XML Advanced Electronic Signatures) is a set of extensions to XML-DSig recommendation making it suitable for advanced electronic signature.


    XAdES Description


    While XML-DSig is a general framework for digitally signing documents, XAdES specifies precise profiles of XML-DSig for use with advanced electronic signature in the meaning of European Union Directive 1999/93/EC. One important benefit from XAdES is that electronically signed documents can remain valid for long periods, even if underlying cryptographic algorithms are broken.


    XAdES Profiles


    XAdES defines six profiles (forms) differing in protection level offered. Each profile includes and extends the previous one:

    • XAdES, basic form just satisfying Directive legal requirements for advanced signature;
    • XAdES-T (timestamp), adding timestamp field to protect against repudiation;
    • XAdES-C (complete), adding references to verification data (certificates and revocation lists) to the signed documents to allow off-line verification and verification in future (but does not store the actual data);
    • XAdES-X (extended), adding timestamps on the references introduced by XAdES-C to protect against possible compromise of certificates in chain in future;
    • XAdES-X-L (extended long-term), adding actual certificates and revocation lists to the signed document to allow verification in future even if their original source is not available;
    • XAdES-A (archival), adding possibility for periodical timestamping (e.g. each year) of the archived document to prevent compromise caused by weakening signature during long-time storage period.

    XAdES See also



    XAdES External links




    Correo Xade Xunta Xade EDU Xunta Xade Xade Portal Educativo Xade Xunta De Galicia XAdES Epes Xade Web Mary Dengler

    | Correo Xade | Xunta Xade | EDU Xunta Xade | Xade Portal Educativo | Xade Xunta De Galicia | XAdES Epes | Xade Web | Mary Dengler | XAdES | New_Xade | PAdES | CAdES_(computing) | Trusted_timestamping | San_people | First_People_of_the_Kalahari | XML_Signature | ETSI | Digital_Signature_Services | Linked_timestamping | Roy_Sesana | Corporate_Bodies_Authority_File | Thuto_Isago_Trust | Ghanzi_District

    Copyright:
    Dieser Artikel basiert auf dem Artikel http://en.wikipedia.org/wiki/XAdES aus der freien Enzyklopaedie http://en.wikipedia.org bzw. http://www.wikipedia.org und steht unter der Doppellizenz GNU-Lizenz fuer freie Dokumentation und Creative Commons CC-BY-SA 3.0 Unported. In der Wikipedia ist eine Liste der Autoren unter http://en.wikipedia.org/w/index.php?title=XAdES&action=history verfuegbar. Alle Angaben ohne Gewähr.

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