System and method for updating software in an electronic device

A server configured to transmit a software update to a vehicle or a premises, the server comprising:

• a communication interface configured to communicate with the vehicle;
• and
• a processor in communication with the communication interface, the processor configured to:
• receive an indication of one or more capabilities of target device resident in the vehicle and subject to the software update;
• determine, based on the one or more capabilities of the target device, one or more of a delta algorithm, a compression algorithm or a number of sections of the software update in which to transmit;
• generate, based on the one or more of a delta algorithm, a compression algorithm or a number of sections of the software update in which to transmit, a delta between a current version of software resident in the target device and the software update, wherein the delta is divided into a plurality of integral sections;
• and
• send, based on the determined one or more of the delta algorithm, compression algorithm or number of sections, the delta to the vehicle in order to update the software of the target device by:
• accessing a first integral section of the software update, the first integral section comprising one of the plurality of integral sections;
• determining, by reviewing an entirety of a current version of the software in the target device, a section of the current version by which to generate a first delta, the first delta comprising a difference between the first integral section of the software update and the section of the current version by which to generate a first delta;
• transmitting, to the target device, the first delta in order for the first integral section of the software update to be installed in the target device;
• accessing another integral section of the software update, the another integral section comprising one of the plurality of integral sections;
• determining, by reviewing less than the entirety of the current version of the software in the target device, another section of the current version by which to generate another delta, the another delta comprising a difference between the another integral section of the software update and the another section of the current version by which to generate a first delta;
• and
• transmitting, to the target device, the another delta in order for the another integral section of the software update to be installed in the target device.

A server configured to transmit a software update to a vehicle or a premises, the server comprising:

• a communication interface configured to communicate with the vehicle;
• and
• a processor in communication with the communication interface, the processor configured to:
• receive an indication of one or more capabilities of target device resident in the vehicle and subject to the software update, wherein the one or more capabilities of the target device comprise decryption capabilities;
• determine, based on the one or more capabilities of the target device, one or more of a delta algorithm, a compression algorithm or a number of sections of the software update in which to transmit;
• generate, based on the one or more of a delta algorithm, a compression algorithm or a number of sections of the software update in which to transmit, a delta between a current version of software resident in the target device and the software update;
• and
• responsive to determining that the target device does not include decryption capabilities, cause the delta to be transmitted to an electronic device at a node within the vehicle nearest to the target device in order for the electronic device to decrypt the delta and then transmit to the target device for the software update.

An update agent electronic device resident in electronic system, the electronic system controlling one of a vehicle or a premises and including electronic devices, the electronic devices communicating with devices external to the vehicle or the premises via one or more communication channels, the update agent electronic device comprising:

• a communication interface configured to communicate, via the one or more communication channels, with an external server;
• and
• a processor in communication with the communication interface, the processor configured to:
• responsive to the external server receiving an indication that a target electronic device does not include decryption capabilities, receive, from the external server, a software update for installation within the target electronic device, the target electronic device resident in the vehicle or the premises, in communication with the update agent electronic device, and configured to execute software;
• transmit the software update to an electronic device at a node within the vehicle nearest to the target device in order for the electronic device to decrypt the software update;
• cause at least some of the communication channels to cease at least one aspect of operations at least partly while the decrypted software update is transmitted from the electronic device to the target electronic device;
• receive, from the target electronic device, confirmation of receipt by the target electronic device of the decrypted software update from the electronic device;
• and
• responsive to receiving the confirmation of receipt by the target electronic device of the decrypted software update, cause the at least some of the communication channels to resume the at least one aspect of operations.