Abstract

The present disclosure provides a method and a system for dynamic memory optimization and secure auxiliary partitioning on the EMV chip cards. The method includes detecting EMV card memory conditions and identifying low-entropy EMV data regions eligible for compression. The method includes performing memory compression and defragmentation to free space for auxiliary data storage while preserving EMV application integrity. The method includes allocating a Secure Auxiliary Partition (SAP) using recovered memory and enforcing access-restricted memory mapping. The method includes generating a context-bound cryptographic key for encrypting auxiliary records based on transaction metadata or service identifiers. The method includes writing encrypted auxiliary data to the SAP and executing authorized service logic within a sandboxed environment. The method includes synchronizing SAP data with backend systems during online transactions using secure and authenticated update fields.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.

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