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公开(公告)号:US20140095857A1
公开(公告)日:2014-04-03
申请号:US14097327
申请日:2013-12-05
Applicant: Facebook, Inc.
Inventor: Gueorgui Djabarov , George Hotz , Shaheen Ashok Gandhi
CPC classification number: G06F21/575 , G06F8/65 , G06F8/654 , G06F8/656 , G06F9/44 , G06F9/4401 , G06F9/441 , G06F11/1417 , G06F21/64 , G06F2201/805 , H04L9/0891 , H04L9/30 , H04L9/3236 , H04L9/3247 , H04L63/0428 , H04L67/34
Abstract: In one embodiment, a mobile device performs an over-the-air firmware update by writing the updated firmware to a inactive system image partition, and rebooting the device. The security of the OTA update is maintained through checking a plurality of security signatures in an OTA manifest, and the integrity of the data is maintained by checking a hash value of the downloaded system image.
Abstract translation: 在一个实施例中,移动设备通过将更新的固件写入非活动系统映像分区并重新启动设备来执行空中固件更新。 通过检查OTA清单中的多个安全签名来维护OTA更新的安全性,并且通过检查下载的系统映像的哈希值来维护数据的完整性。