Systems and methods for secure communication based on random key derivation

An apparatus for secure communication based on random key derivation, the apparatus comprising:

• communications hardware of a first device configured to:
• receive an initial key shared between the first device and a second device, and
• receive a first set of seed bits, wherein the first set of seed bits is also received by the second device;
• key derivation circuitry of the first device configured to derive a first symmetric key based on the initial key and the first set of seed bits;
• and
• data protection circuitry of the first device configured to perform a first cryptographic data protection action using the first symmetric key,
• wherein the first cryptographic data protection action facilitates secure communication between the first device and the second device based on the second device having also derived the first symmetric key.

A computer program product for secure communication based on random key derivation, the computer program product comprising at least one non-transitory computer-readable storage medium storing software instructions that, when executed, cause a first device to:

• receive an initial key shared between the first device and a second device;
• receive a first set of seed bits, wherein the first set of seed bits is also received by the second device;
• derive a first symmetric key based on the initial key and the first set of seed bits;
• and
• perform a first cryptographic data protection action using the first symmetric key,
• wherein the first cryptographic data protection action facilitates secure communication between the first device and the second device based on the second device having also derived the first symmetric key.