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  2. Adobe Sign - Wikipedia

    en.wikipedia.org/wiki/Adobe_Sign

    Adobe Sign is sold in subscriptions at the individual, small business, or enterprise level. [10] Some of the services available are: Sign forms with an electronic signature or digital signature; Request e-signatures; Create branded forms; Track responses, get email notifications, and send reminders for e-signatures [11]

  3. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    A digital signature is an authentication mechanism that enables the creator of the message to attach a code that acts as a signature. The Digital Signature Algorithm (DSA), developed by the National Institute of Standards and Technology, is one of many examples of a signing algorithm. In the following discussion, 1 n refers to a unary number.

  4. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Apply a digital signature to existing digital ... The free Adobe Reader cannot remove these settings. ... Interactive Forms is a mechanism to add forms to the PDF ...

  5. Add images to your signature in AOL Mail

    help.aol.com/articles/add-images-to-your...

    Go to the Signature section. Hover your cursor over the image in the signature box | click the three dots. Choose the image size you'd like from the list:-Small-Medium-Large-Original; Preview your signature with the selected image size in the Preview Signature pane.

  6. PAdES - Wikipedia

    en.wikipedia.org/wiki/PAdES

    the signature verifying algorithm that uses the public key, message and digital signature to confirm the authenticity of the message. For PDF documents, the signature data is incorporated directly within the signed PDF document, much as an ink signature becomes an integral part of a paper document, allowing the complete self-contained PDF file ...

  7. PDF/UA - Wikipedia

    en.wikipedia.org/wiki/PDF/UA

    PDF/UA is not a separate file-format but simply a way to use the familiar PDF format invented by Adobe Systems and now standardized as ISO 32000. [5]In general PDF/UA requires Tagged PDF (ISO 32000-1, 14.8), but adds a variety of qualitative requirements, especially regarding semantic correctness of the tags employed: [6] [7]

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