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:
Nov. 13, 2018

Filed:

Feb. 21, 2018
Applicant:

Emc Ip Holding Company Llc, Hopkinton, MA (US);

Inventors:

Ari Juels, Brookline, MA (US);

Nikolaos Triandopoulos, Arlington, MA (US);

Kevin D. Bowers, Melrose, MA (US);

Assignee:

EMC IP Holding Company LLC, Hopkinton, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01); G06F 21/64 (2013.01); H04L 1/00 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/32 (2013.01); G06F 11/30 (2013.01); G06F 11/3003 (2013.01); G06F 21/64 (2013.01); H04L 1/00 (2013.01);
Abstract

A Security Alerting System is provided with dynamic buffer size adaptation. An alert message from a Security Alerting System is transmitted by obtaining the alert message from the Security Alerting System; authenticating the alert message using a secret key known by a server; storing the authenticated alert message in a buffer; transmitting the buffer to the server; and detecting a truncation attack based on generating different cryptographic keys for protection of inserted messages and transmitted buffers, wherein the cryptographic keys for protection of inserted messages are generated in a forward-secure manner in a same order that the messages are inserted in the buffer and wherein the cryptographic keys for protection of transmitted buffers are generated in a forward-secure manner in a same order that the buffers are transmitted over a network.


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