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:
Oct. 30, 2007
Filed:
Jan. 29, 2003
Jun Tozawa, Yokohama, JP;
Hiroshi Nogami, Fujisawa, JP;
Tetsuya Shibayama, Kodaira, JP;
Tomohiro Kataoka, Kokubunji, JP;
Hiroshi Fujio, Wako, JP;
Jun Tozawa, Yokohama, JP;
Hiroshi Nogami, Fujisawa, JP;
Tetsuya Shibayama, Kodaira, JP;
Tomohiro Kataoka, Kokubunji, JP;
Hiroshi Fujio, Wako, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
Disclosed herein is an encryption and decryption communication semiconductor device comprising at least, a communication interface for performing a transfer of data according to a predetermined communication system, one or two or more encryption/decryption circuits which encrypt or decrypt input data in accordance with a predetermined algorithm, and a plurality of external interfaces for performing the input/output of data from and to external devices. The communication interface, the encryption/decryption circuits and the plurality of external interfaces are formed on one semiconductor chip. In the cryption and decryption communication semiconductor device, input data sent from any one of the plurality of external interfaces is encrypted or decrypted by at least one of the encryption/decryption circuits and is capable of being outputted to any different one of the plurality of external interfaces.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile