centOS6.8 x86_64.zip
  CRC32 CheckSum : 66AA5E13
  MD5 CheckSum : 97504E9F77790AD361CDD0C040A86CA9
CentOS7.2 x86_64.zip
  CRC32 CheckSum : EE68424E
  MD5 CheckSum : A916D64282990C1E45CD481B25423134