User-specific watermark for maintaining security of data files
US-12153654-B2 · Nov 26, 2024 · US
Document security system that permits external users to gain access to secured files
US8943316B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8943316-B2 |
| Application number | US-201213439485-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 4, 2012 |
| Priority date | Feb 12, 2002 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
Official abstract text for this publication.
A system includes a server with an access manager configured to restrict access to files of an organization and maintain at least encryption keys for internal and external users and an external access server connected to the server and coupled between the server and a data network. The data network is configured to allow the external users use of the external access server. The external access server is also configured to permit file exchange between the internal users and the external users via the server.
First claim
Opening claim text (preview).
What is claimed is: 1. A system comprising: a server an access manager configured to restrict access to a file of an organization having an internal user responsive to a request for the file, the file comprising a header portion including an access rule that restricts access to the file, and a content portion encrypted by a file key; a database coupled to the server and configured to store an encryption key for use between the internal user and an external partner comprising an…
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- G06F21/6209Primary
Physics · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US8943316B2 cover?
- A system includes a server with an access manager configured to restrict access to files of an organization and maintain at least encryption keys for internal and external users and an external access server connected to the server and coupled between the server and a data network. The data network is configured to allow the external users use of the external access server. The external access …
- Who is the assignee on this patent?
- Vainstein Klimenty, Intellectual Ventures I Llc
- What technology area does this patent fall under?
- Primary CPC classification G06F21/6209. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).