MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202641072307 A) filed by Pes College Of Engineering on June 10, 2026, for A Cryptographic Processing Apparatus For Secure Data Handling In Resource-Constrained Browser Environments.
Inventors include Mr. Shalom P.; Dr. M. Prasad; and Prof. Puttaswamy B. S..
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: [056] The present invention relates to a cryptographic processing apparatus for secure data handling in resource-constrained browser environments. The apparatus includes a resource sensing module, chunk scheduling module, volatile key management module, nonce control module, buffer isolation module, cryptographic execution module, and integrity verification module. Input data is processed in adaptive memory-bounded chunks based on available browser resources, processor load, tab state, and execution condition. Temporary working keys are derived for limited processing windows and destroyed after use. A nonce ledger prevents nonce reuse across interrupted or restored sessions. Plaintext buffers, cryptographic working buffers, and encrypted output buffers are isolated to reduce exposure of sensitive data. Each encrypted chunk is associated with an authentication tag and chained verification value to detect tampering, omission, duplication, or reordering. The apparatus enables secure, responsive, and memory-controlled client-side cryptographic processing without retaining complete plaintext data or persistently storing complete cryptographic secrets. Accompanied Drawing [FIGS. 1-2]
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