Measurement and analysis of the compromising electromagnetic emanations from USB keyboard

Dong Ju Sim, Ho Seong Lee, Jong Gwan Yook, Kyuhong Sim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The keyboard of a computer is often used to transmit sensitive data such as passwords. Because keyboards is electronic devices, it is forced to emit an electromagnetic wave, in the process of transmitting data. These compromising electromagnetic emanations disclose sensitive information, such as input keys on the keyboard [1]. In this paper, leaked electromagnetic radiation from the cable of the USB keyboard are measured by using a field probe. And recovery of the data was performed through it. Two kinds of keyboards were analyzed by signal processing algorithm. In conclusion, it is determined that the recovery of key information from electromagnetic emanations was possible for a total of 36 key (A to Z, 1 to zero).

Original languageEnglish
Title of host publication2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages518-520
Number of pages3
ISBN (Electronic)9781467394949
DOIs
Publication statusPublished - 2016 Jul 26
Event7th Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016 - Shenzhen, China
Duration: 2016 May 172016 May 21

Publication series

Name2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016

Other

Other7th Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016
CountryChina
CityShenzhen
Period16/5/1716/5/21

Fingerprint

Electromagnetic waves
electromagnetic radiation
recovery
electromagnetism
Recovery
cables
signal processing
Signal processing
Cables
probes
electronics

All Science Journal Classification (ASJC) codes

  • Radiation
  • Computer Networks and Communications
  • Hardware and Architecture
  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Sim, D. J., Lee, H. S., Yook, J. G., & Sim, K. (2016). Measurement and analysis of the compromising electromagnetic emanations from USB keyboard. In 2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016 (pp. 518-520). [7522785] (2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APEMC.2016.7522785
Sim, Dong Ju ; Lee, Ho Seong ; Yook, Jong Gwan ; Sim, Kyuhong. / Measurement and analysis of the compromising electromagnetic emanations from USB keyboard. 2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016. Institute of Electrical and Electronics Engineers Inc., 2016. pp. 518-520 (2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016).
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abstract = "The keyboard of a computer is often used to transmit sensitive data such as passwords. Because keyboards is electronic devices, it is forced to emit an electromagnetic wave, in the process of transmitting data. These compromising electromagnetic emanations disclose sensitive information, such as input keys on the keyboard [1]. In this paper, leaked electromagnetic radiation from the cable of the USB keyboard are measured by using a field probe. And recovery of the data was performed through it. Two kinds of keyboards were analyzed by signal processing algorithm. In conclusion, it is determined that the recovery of key information from electromagnetic emanations was possible for a total of 36 key (A to Z, 1 to zero).",
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Sim, DJ, Lee, HS, Yook, JG & Sim, K 2016, Measurement and analysis of the compromising electromagnetic emanations from USB keyboard. in 2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016., 7522785, 2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016, Institute of Electrical and Electronics Engineers Inc., pp. 518-520, 7th Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016, Shenzhen, China, 16/5/17. https://doi.org/10.1109/APEMC.2016.7522785

Measurement and analysis of the compromising electromagnetic emanations from USB keyboard. / Sim, Dong Ju; Lee, Ho Seong; Yook, Jong Gwan; Sim, Kyuhong.

2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016. Institute of Electrical and Electronics Engineers Inc., 2016. p. 518-520 7522785 (2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The keyboard of a computer is often used to transmit sensitive data such as passwords. Because keyboards is electronic devices, it is forced to emit an electromagnetic wave, in the process of transmitting data. These compromising electromagnetic emanations disclose sensitive information, such as input keys on the keyboard [1]. In this paper, leaked electromagnetic radiation from the cable of the USB keyboard are measured by using a field probe. And recovery of the data was performed through it. Two kinds of keyboards were analyzed by signal processing algorithm. In conclusion, it is determined that the recovery of key information from electromagnetic emanations was possible for a total of 36 key (A to Z, 1 to zero).

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Sim DJ, Lee HS, Yook JG, Sim K. Measurement and analysis of the compromising electromagnetic emanations from USB keyboard. In 2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016. Institute of Electrical and Electronics Engineers Inc. 2016. p. 518-520. 7522785. (2016 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2016). https://doi.org/10.1109/APEMC.2016.7522785