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.
Patent No.:
Date of Patent:
May. 31, 2022
Filed:
Feb. 21, 2017
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Yusuke Naito, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G09C 1/00 (2006.01); H04L 9/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3236 (2013.01); G09C 1/00 (2013.01); H04L 9/0643 (2013.01); H04L 9/0869 (2013.01); H04L 2209/04 (2013.01);
Abstract
An encryption device () is an encryption device in authentication encryption. A key generation unit () generates a key K of an encryption function E of a block cipher, in accordance with an initial parameter N. A hash calculation unit () calculates a hash value msk with an internal parameter ctr as an input. An encryption unit () generates a ciphertext c of the message m by using the encryption function E, with a key K generated by the key generation unit (), a hash value msk calculated by the hash calculation unit (), and a message m as inputs.