9 Computer application software for mobile phones, namely, software for granting and revoking door access to users, key management, remote door locking and unlocking; Computer application software for mobile phones and handheld computers, namely, software for granting and revoking door access to users, key management, remote door locking and unlocking; Computer operating software; Computer software for granting and revoking door access to users, key management, remote door locking and unlocking that may be downloaded from a global computer network; Digital door locks; Downloadable computer software for granting and revoking door access to users, key management, remote door locking and unlocking; Downloadable cloud-computing software for granting and revoking door access to users, key management, remote door locking and unlocking used in cloud computing, e.g., deploying virtual machines to a cloud computing platform, managing virtual machines on a cloud computing platform, etc.; Electric locks; Electronically operated high security lock cylinders; Locks, electric; Programmable locking systems, consisting of electronic cylindrical locksets and keypads