Back to results
US 8,275,993 B2Granted
Author signatures for legal purposes
AssigneeAdobe Systems Incorporated
InventorsJames D. Pravetz, Krish Chaudhury, Sunil C. Agrawal
Life of this patent
Estimating the term…
Abstract
Methods and apparatus, including computer program products, implementing and using techniques for establishing trust in an electronic document. An electronic document is received. State dependent content in the electronic document is identified. The state dependent content is content that is renderable to have a several appearances. The electronic document is presented to a user, which includes disclosing the presence of any identified state dependent content in the electronic document.
Claims28
A computer-implemented method, comprising:
- identifying state dependent content in an electronic document, wherein the state dependent content is associated with a plurality of appearances;
- replacing at least a portion of the state dependent content with state independent content having a single appearance;
- digitally signing the electronic document to generate a signed electronic document including a digital signature corresponding to a person associated with an attestation;
- and
- creating a second electronic document, wherein the second electronic document includes the state dependent content, wherein the replacing at least the portion of the state dependent content with state independent content having a single appearance comprises replacing at least the portion of the state dependent content in the second electronic document with state independent content having a single appearance.
2 more elements
A computer-implemented method, comprising:
- identifying state dependent content in an electronic document, wherein the state dependent content is associated with a plurality of appearances;
- replacing at least a portion of the state dependent content with state independent content having a single appearance;
- digitally signing the electronic document to generate a signed electronic document including a digital signature corresponding to a person associated with an attestation;
- receiving the attestation corresponding to the state dependent content;
- and
- associating the attestation with the electronic document before digitally signing the electronic document.
3 more elements
A system comprising:
- a computer-readable medium encoding an electronic document;
- a display device;
- and
- processor electronics configured to perform operations comprising:
- identifying state dependent content in the electronic document, wherein the state dependent content is associated with a plurality of appearances;
- replacing at least a portion of the state dependent content with state independent content having a single appearance;
- digitally signing the electronic document to generate a signed electronic document including a digital signature corresponding to a person associated with an attestation;
- receiving the attestation corresponding to the state dependent content;
- and
- associating the attestation with the electronic document before digitally signing the electronic document.
7 more elements
A system comprising:
- a computer-readable medium encoding an electronic document;
- a display device;
- and
- processor electronics configured to perform operations comprising:
- identifying state dependent content in the electronic document, wherein the state dependent content is associated with a plurality of appearances;
- replacing at least a portion of the state dependent content with state independent content having a single appearance;
- digitally signing the electronic document to generate a signed electronic document including a digital signature corresponding to a person associated with an attestation;
- and
- creating a second electronic document, wherein the second electronic document includes the state dependent content, wherein the replacing at least the portion of the state dependent content with state independent content having a single appearance comprises replacing at least the portion of the state dependent content in the second electronic document with state independent content having a single appearance.
6 more elements
Dependencies are inferred from the claim text.