Patent ID: 11880474
Assignee: JOAO CARLOS GOMES DE OLIVEIRA
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A cover or components for cell phones or other digital devices featuring physical cryptography to forward and receive encrypted messages on a tamper-proof basis that uses physical cryptography to decode (40) messages, that allows messaging between two or more users, in a completely secure way, without the possibility of third parties tampering or reading the message, comprising:
a cover (20);
the cover (20) containing a key image matching to a matrix image (10);
the key image being arranged such that when a sender types a message on a cell phone or other digital device (1) of the sender, and the message is encrypted by a cryptography app (mobile application) or computer software, pre-installed on said cell phone or other digital device (1) of the sender, forming the matrix image (10), said matrix image (10) being forwarded by any means to a message recipient, and the message recipient, upon receiving the message with the matrix image (10), uses, on a cell phone or digital device (1) of the recipient, the cover (20) containing the key image matching to the matrix image (10) sent, said message is viewable (40) by the message recipient.