Computer programming services for creating secure data communication between a portable proximity credential holder and a host reader of an access control system for secured locations

'access':21 'communic':8 'comput':1 'control':22 'creat':5 'credenti':13 'data':7 'holder':14 'host':17 'locat':26 'portabl':11 'program':2 'proxim':12 'reader':18 'secur':6,25 'servic':3 'system':23

Downloadable software in the nature of a mobile application for use in accessing secured locations via mobile devices

'access':13 'applic':9 'devic':18 'download':1 'locat':15 'mobil':8,17 'natur':5 'secur':14 'softwar':2 'use':11 'via':16

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