The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 11, 2020

Filed:

Oct. 16, 2017
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Prashanth Patil, San Jose, CA (US);

K. Tirumaleswar Reddy, Karnataka, IN;

Justin James Muller, San Jose, CA (US);

Judith Ying Priest, Palo Alto, CA (US);

Puneeth Rao Lokapalli, Karnataka, IN;

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 12/24 (2006.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 63/0281 (2013.01); H04L 9/3239 (2013.01); H04L 9/3297 (2013.01); H04L 41/042 (2013.01); H04L 43/026 (2013.01); H04L 63/123 (2013.01); H04L 69/22 (2013.01); H04L 63/0236 (2013.01); H04L 63/1466 (2013.01); H04L 2209/38 (2013.01);
Abstract

In a network that includes a client, a server and one or more proxy entities that intercept network traffic between the client and the server, a computer-implemented method is provided including: establishing trust with a permissioned distributed database; computing hashes from packet payloads of network traffic originated, intercepted or received; storing the hashes to the permissioned distributed database so that the permissioned distributed database maintains hashes computed from packets of the network traffic originated, intercepted or received by the client, server and the one or more proxy entities; and validating the hashes by comparing, with each other, the hashes stored to the permissioned distributed database by the client, server and the one or more proxy entities to determine whether any packet payload of the network traffic was modified in transit.


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