Title:
ENCRYPTION DEVICE AND DECODING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/154623
Kind Code:
A1
Abstract:
An encryption device (10) for authentication cryptography. A key generation unit (21) generates a key K for an encryption function E for a block cipher, in accordance with an initial parameter N. A hash calculation unit (22) calculates a hash value msk, using an internal parameter ctr as an input. An encryption unit (23) uses the encryption function E and generates a cipher text c for a message m, using as inputs therefor: the key K generated by the key generation unit (21); the hash value msk calculated by the hash value calculation unit (22); and the message m.
Inventors:
NAITO YUSUKE (JP)
Application Number:
PCT/JP2017/006300
Publication Date:
August 30, 2018
Filing Date:
February 21, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04L9/06; H04L9/32
Domestic Patent References:
| WO2011105367A1 | 2011-09-01 |
Foreign References:
| US20150261965A1 | 2015-09-17 | |||
| US20130077780A1 | 2013-03-28 |
Other References:
KROVETZ, T. ET AL.: "The Software Performance of Authenticated-Encryption Modes", LECTURE NOTES IN COMPUTER SCIENCE, vol. 6733, 2011, pages 306 - 327, XP055537348
CHAKRABORTY, D. ET AL.: "A General Construction of Tweakable Block Ciphers and Different Modes of Operations", IEEE TRANSACTION ON INFORMATION THEORY, vol. 54, no. 5, May 2008 (2008-05-01), pages 1991 - 2005, XP055537350
KILLIAN, J. ET AL.: "How to Protect DES Against Exhaustive Key Search", ADVANCES IN CRYPTOLOGY - CRYPT0 '96 (LNCS), vol. 1109, 1996, pages 252 - 267, XP055537359
MENNINK, B.: "Optimally Secure Tweakable Blockciphers", INTERNATIONAL WORKSHOP ON FAST SOFTWARE ENCRYPTION. FSE 2015, 21 October 2015 (2015-10-21), pages 428 - 448, XP055537472, Retrieved from the Internet [retrieved on 20170519]
IEEE COMPUTER SOCIETY: "IEEE Standard for Cryptographic Protection of Data on Block-Oriented Storage Devices", IEEE STANDARD 1619-2007, 18 April 2008 (2008-04-18), XP055537479, Retrieved from the Internet
CHAKRABORTY, D. ET AL.: "A General Construction of Tweakable Block Ciphers and Different Modes of Operations", IEEE TRANSACTION ON INFORMATION THEORY, vol. 54, no. 5, May 2008 (2008-05-01), pages 1991 - 2005, XP055537350
KILLIAN, J. ET AL.: "How to Protect DES Against Exhaustive Key Search", ADVANCES IN CRYPTOLOGY - CRYPT0 '96 (LNCS), vol. 1109, 1996, pages 252 - 267, XP055537359
MENNINK, B.: "Optimally Secure Tweakable Blockciphers", INTERNATIONAL WORKSHOP ON FAST SOFTWARE ENCRYPTION. FSE 2015, 21 October 2015 (2015-10-21), pages 428 - 448, XP055537472, Retrieved from the Internet
IEEE COMPUTER SOCIETY: "IEEE Standard for Cryptographic Protection of Data on Block-Oriented Storage Devices", IEEE STANDARD 1619-2007, 18 April 2008 (2008-04-18), XP055537479, Retrieved from the Internet
Attorney, Agent or Firm:
MIZOI INTERNATIONAL PATENT FIRM (JP)
Download PDF:
Previous Patent: ROTARY ATOMIZING TYPE COATING MACHINE
Next Patent: POWER CONVERSION DEVICE AND POWER MODULE
Next Patent: POWER CONVERSION DEVICE AND POWER MODULE