Methods and systems for an authenticating lock with bar code

A non-transitory computer-readable medium including instructions that, when executed by a processor, implement operations for opening an electronically controlled lock by a user, the operations comprising:

• obtaining user information that identifies the user;
• obtaining lock information that identifies the electronically controlled lock;
• creating key information based on the user information and the lock information;
• displaying the key information on a mobile device, wherein the key information is received by the electronically controlled lock and processed to open the electronically controlled lock.

An electronic lock comprising:

• a display that includes lock information that identifies the electronic lock to a mobile device;
• a key information receptor that receives key information displayed by the mobile device;
• and
• a processor, operably connected to the key information receptor, wherein the processor determines whether the key information is currently valid for opening the electronic lock;
• and
• a lock actuator circuit, operably connected to the processor, that opens the electronic lock based on a signal from the processor indicating that the key information is currently valid for opening the electronic lock.