How to verify mageia iso singnatures

I download mageia but in download page there is written you should
check signatures if these does not match then don't use this iso.
I want to know how to check the signatures whereas I download the iso
file.the file name is Mageia-3-i586-DVD.iso and its size is 3.71gb I
downloaded this file from Canada server.
check signatures if these does not match then don't use this iso.
I want to know how to check the signatures whereas I download the iso
file.the file name is Mageia-3-i586-DVD.iso and its size is 3.71gb I
downloaded this file from Canada server.