GPU-assisted AES encryption using GCM

Georg Schönberger, Jürgen Fuß

Research output: Chapter in Book/Report/Conference proceedingsConference contributionpeer-review

6 Citations (Scopus)

Abstract

We are presenting an implementation of the Galois/Counter Mode (GCM) for the Advanced Encryption Standard (AES) in IPsec in this paper. GCM is a so called "authenticated encryption" as it can ensure confidentiality, integrity and authentication. It uses the Counter Mode for encryption, therefore counters are encrypted for an exclusive-OR with the plaintext. We describe a technique where these encryptions are precomputed on a Graphic Processing Unit (GPU) and can later be used to encrypt the plaintext, whereupon only the exclusive-OR and authentication part of GCM are left to be computed. This technique should primarily not limit the performance to the speed of the AES implementation but allow Gigabit throughput and at the same time minimize the CPU load.

Original languageEnglish
Title of host publicationCommunications and Multimedia Security - 12th IFIP TC 6 / TC 11 International Conference, CMS 2011, Proceedings
Pages178-185
Number of pages8
DOIs
Publication statusPublished - 2011
Event12th IFIP TC-6 and TC-11 Conference on Communications and Multimedia Security, CMS 2011 - Ghent, Belgium
Duration: 19 Oct 201121 Oct 2011

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume7025 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference12th IFIP TC-6 and TC-11 Conference on Communications and Multimedia Security, CMS 2011
CountryBelgium
CityGhent
Period19.10.201121.10.2011

Keywords

  • AES
  • CUDA
  • Galois/Counter Mode (GCM)
  • Gbit/s
  • GPU
  • high-performance
  • IPsec

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