To check that a downloaded file is correct you can verify the md5 hash value. On our downloads server the MD5 hash is listed next to the file.
Using Maple as an example:
File name Size MD5 Hash Maple2016.0MacInstaller.dmg 967.92 MB e559ba86361498cf5b6451ece9c1feff Maple2016.0LinuxX64Installer.run 957.57 MB 8a74d1be80e3ba130055bdf90ed49e74 Maple2016.0WindowsX64Installer.exe 1.01 GB 4c0c14203ce2bf1f20698739878082c4
To verify on various Operating Systems:
OSX
$ md5 Maple2016.0MacInstaller.dmg
MD5 (Maple2016.0MacInstaller.dmg) = e559ba86361498cf5b6451ece9c1feff
Linux
$ md5sum Maple2016.0LinuxX64Installer.run
8a74d1be80e3ba130055bdf90ed49e74 Maple2016.0LinuxX64Installer.run
Windows ( 7 and newer)
C:\> certutil -hashfile Maple2016.0WindowsX64Installer.exe MD5
MD5 hash of file Maple2016.0WindowsX64Installer.exe:
4c 0c 14 20 3c e2 bf 1f 20 69 87 39 87 80 82 c4
CertUtil: -hashfile command completed successfully.