远程文件下载
certutil -urlcache -split -f http://1.1.1.1/a.exe c:\temp\a.exe
certutil.exe -urlcache -split -f https://download-installer.cdn.mozilla.net/pub/firefox/releases/78.0.2/win64/en-US/Firefox%20Setup%2078.0.2.msi
计算文件 Hash
MD4
certutil -hashfile lcx.exe MD4
MD5
certutil -hashfile lcx.exe MD5
SHA-1
certutil -hashfile lcx.exe SHA1
SHA-256
certutil -hashfile lcx.exe SHA256
SHA-512
certutil -hashfile lcx.exe SHA512
参考
https://naykcin.top/2019/12/01/certutil/
https://www.zhihu.com/question/24412791/answer/1339143966?utm_source=com.estmob.android.sendanywhere&utm_medium=social&utm_oi=887993549398904832