-PUPPETLABS_GPG_KEY_ID = '4BD6EC30'
-PUPPETLABS_GPG_LONG_KEY_ID = '1054B7A24BD6EC30'
-PUPPETLABS_APT_URL = 'apt.puppetlabs.com'
-PUPPETLABS_GPG_KEY_FILE = 'pubkey.gpg'
-CENTOS_GPG_KEY_ID = 'C105B9DE'
-CENTOS_REPO_URL = 'ftp.cvut.cz/centos'
-CENTOS_GPG_KEY_FILE = 'RPM-GPG-KEY-CentOS-6'
+PUPPETLABS_GPG_KEY_SHORT_ID = '4BD6EC30'
+PUPPETLABS_GPG_KEY_LONG_ID = '1054B7A24BD6EC30'
+PUPPETLABS_GPG_KEY_FINGERPRINT = '47B320EB4C7C375AA9DAE1A01054B7A24BD6EC30'
+PUPPETLABS_APT_URL = 'apt.puppetlabs.com'
+PUPPETLABS_GPG_KEY_FILE = 'pubkey.gpg'
+CENTOS_GPG_KEY_SHORT_ID = 'C105B9DE'
+CENTOS_GPG_KEY_LONG_ID = '0946FCA2C105B9DE'
+CENTOS_GPG_KEY_FINGERPRINT = 'C1DAC52D1664E8A4386DBA430946FCA2C105B9DE'
+CENTOS_REPO_URL = 'ftp.cvut.cz/centos'
+CENTOS_GPG_KEY_FILE = 'RPM-GPG-KEY-CentOS-6'
+
+KEY_CHECK_COMMAND = "apt-key adv --list-keys --with-colons --fingerprint | grep "
+PUPPETLABS_KEY_CHECK_COMMAND = "#{KEY_CHECK_COMMAND} #{PUPPETLABS_GPG_KEY_FINGERPRINT}"
+CENTOS_KEY_CHECK_COMMAND = "#{KEY_CHECK_COMMAND} #{CENTOS_GPG_KEY_FINGERPRINT}"