发明名称 Methods for firmware signature
摘要 A method for installing embedded firmware is provided. The method includes generating one or more firmware file instances and generating one or more digital certificate instances that are separate instances from the firmware file instances. The method includes associating the one or more digital certificate instances with the one or more firmware file instances to facilitate updating signature-unaware modules with signature-aware firmware or to facilitate updating signature-aware modules with signature-unaware firmware.
申请公布号 US9122876(B2) 申请公布日期 2015.09.01
申请号 US201414286106 申请日期 2014.05.23
申请人 Rockwell Automation Technologies, Inc. 发明人 Batke Brian A.;Visoky Jack M.;Kay James J.;Mintz Scott A.;Cook William B.
分类号 H04L9/32;G06F21/57;G06F21/44;G06F9/445;G06F9/44 主分类号 H04L9/32
代理机构 Amin, Turocy & Watson, LLP 代理人 Amin, Turocy & Watson, LLP
主权项 1. A method, comprising: receiving, by a device, signature unaware firmware code; and installing, by the device via boot code, the signature unaware firmware code on the first device, wherein the boot code is configured for installation of a signature aware firmware code and the signature unaware firmware code to the device, and wherein the installing the signature unaware firmware code further comprises: receiving a certificate separate from and associated with the signature unaware firmware code,determining whether the certificate is valid by verifying that a signature of the certificate is valid,in response to the certificate being valid, loading the signature unaware firmware code on the device, andin response to the certificate being invalid, preventing installation of the signature unaware firmware code on the device.
地址 Mayfield Heights OH US