Patent ID: 9015481
Filing Date: 2015-04-21
Classification: H04L

Abstract:
1. A system for secure trivial file transfer protocol (TFTP) communication, the system comprising: a first computer configured to transmit a packet, the first computer comprising: an authentication code memory configured to store an authentication code for the packet, the packet comprising: an operation code that instructs a second computer on how to handle the packet; a filename indicating a name of a file to be read or written by the second processing unit on the second computer; and a mode indicator indicating a file transfer mode; a first processing unit configured to execute communication instructions stored in a first memory, the communication instructions configured to append the authentication code and an authentication option to the packet, the authentication option indicates that the authentication code is appended to the packet, the authentication code obtained from the authentication code memory; and a first communication port configured to transmit the packet; and the second computer configured to receive the packet from the first computer, the second computer comprising: a second communication port configured to receive the packet; a verification code memory configured to store a verification code for verifying the authentication code in the packet; and a second processing unit configured to execute verification instructions stored in a second memory, the verification instructions configured to compare the verification code against the authentication code received in the packet, where the second computer rejects the packet if the verification code does not match the authentication code.