Patent ID: 9313182
Filing Date: 2016-04-12
CPC Classification: G06F,H04L

Claim Text:
1. A method comprising: providing a document management system managing a plurality of documents wherein the document management system comprises clients and servers; at a first client, executing a first policy enforcer program; at the first client, trapping by the first policy enforcer program a request by an e-mail application to send an e-mail with a document attachment, managed by the document management system, to a second client; at the first policy enforcer program, evaluating at least one policy associated with the document attachment; as a result of the evaluating, determining that the send request is allowed, but before allowing to e-mail application to send the document attachment, encrypting the document attachment; allowing the e-mail application to send the encrypted document attachment to the second client; sending a notification from a second policy enforcer regarding an attempt at the second client to open the encrypted document; determining that the encrypted document is encrypted; with the second policy enforcer program, requesting a key that will allow decryption of the encrypted document; and using the key to unencrypt the encrypted document attachment and obtaining the unencrypted document attachment.