libkext.kext.loading.表示什么？为何signingtime完全早于电脑出厂日期？

Question

com.apple.message.domain: com.apple.libkext.kext.loading.v4

com.apple.message.bundleid: com.CalDigit.driver.HDPro

com.apple.message.version: 2.1.2

com.apple.message.hash: 7cc63a89c360c80b32a4bf624d002fb2ce2e96b4

com.apple.message.isfat: false

com.apple.message.kextname: CalDigitHDProDrv.kext

com.apple.message.architecture: x86_64

com.apple.message.teamid: 8R7PS6VYW7

com.apple.message.category: 3rd-party kext with devid+ certificate

com.apple.message.subjectcn: Developer ID Application: CalDigit, Inc (8R7PS6VYW7)

com.apple.message.issuercn: Developer ID Certification Authority

com.apple.message.started: false

com.apple.message.path: /Library/Extensions/CalDigitHDProDrv.kext

com.apple.message.userrequest: false

com.apple.message.codeless: false

com.apple.message.signingtime: 2013-08-30-193930

com.apple.message.debugflags: false