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:
Sep. 07, 2021
Filed:
May. 28, 2019
Korea University Research and Business Foundation, Seoul, KR;
Abstract
The present disclosure relates to a block cipher apparatus and method for real-time data transmission and the block cipher apparatus according to an exemplary embodiment of the present disclosure includes: a block encryption unit which selects a key in accordance with an order of keys having different lengths to encrypt each plaintext block and generate a ciphertext block; and a message authentication unit which generates a message authentication code using a key selected at the time of encrypting a current plaintext block which is encrypted in the block encryption unit and a previous message authentication code generated by a plaintext block before the current plaintext block.