ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,303, issued on Sept. 16, was assigned to RENESAS ELECTRONICS Corp. (Tokyo).
"Semiconductor device and control method" was invented by Kenichi Ito (Tokyo), Akihiro Yamate (Tokyo) and Akira Hosotani (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The semiconductor device includes a control unit having redundant processors, a memory storing target data, a secure memory storing a key used for encryption or decryption processing, an cryptographic unit, a secure processor instructing cryptographic processing to the cryptographic unit in response to a request from the control unit, a first bus coupled to the control unit, the memory, the cryptograph...