Patent Number: 8,788,840

Title: Secure processor

Abstract: A secure hardware comprises a secure pipe, a secure DMA, a secure assist and a secure bus, which connects between those blocks. The secure pipe stores a common encryption key in an encryption key table so as not to be able to access from software. The secure DMA comprises a data common key system process function and a hashing process function. The secure assist comprises a common key system process function and an authentication process function, receives an issued command from a program executed by the processor core via a public IF, and performs setting/control of the secure pipe and the secure DMA via the secure bus.

Inventors: Goto; Seiji (Kawasaki, JP)

Assignee: Fujitsu Semiconductor Limited

International Classification: G06F 21/00 (20130101)

Expiration Date: 2022-07-22 0:00:00