Local device authentication system

A non-transitory computer-readable storage medium, the computer-readable storage medium including instructions that when executed by a processor of a first device, cause the processor to:

• transmit, via a first network, an authentication credential to a server;
• receive, via the first network, a plurality of encrypted codes from the server based on the authentication credential;
• transmit, via a second network, respective ones of the encrypted codes to respective ones of a plurality of secondary devices;
• receive, via the second network, a respective decrypted code from each of the plurality of the secondary devices;
• transmit, via the first network, the decrypted codes to the server;
• and
• permit access to a computing resource based on the transmission of the decrypted codes to the server.

A computing apparatus comprising:

• a processor;
• and
• a memory storing instructions that, when executed by the processor, cause the processor to:
• transmit, via a first network, an authentication credential to a server;
• receive, via the first network, a plurality of encrypted codes from the server based on the authentication credential;
• transmit, via a second network, respective ones of the encrypted codes to respective ones of a plurality of secondary devices;
• receive, via the second network, a respective decrypted code from each of the plurality of the secondary devices;
• transmit, via the first network, the decrypted codes to the server;
• and
• permit access to a computing resource based on the transmission of the decrypted codes to the server.