>keytool -export -file C:\TEMP\certfile.cer -alias hello -keystore C:\TEMP\keystore -storepass keystorePswd
Certificate stored in file 

>keytool -printcert -file C:\TEMP\certfile.cer
Owner: CN=Alexis Grandemange, OU=dev, O=Pagebox, L=Nice, ST=Alpes Maritimes, C=06
Issuer: CN=Alexis Grandemange, OU=dev, O=Pagebox, L=Nice, ST=Alpes Maritimes, C=06
Serial number: 39b8c945
Valid from: Fri Sep 08 13:11:01 CEST 2000
until: Thu Dec 07 12:11:01 CET 2000
Certificate fingerprints:
MD5:  6A:D4:BF:6F:10:1B:CC:E8:85:2A:49:E1:5E:61...
SHA1: A3:A3:35:C5:C0:D1:2F:1B:A8:18:EA:5D:69:90...