MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202641107121 A) filed by Venkatesan R; Yasmin A; and Gaverchand K on September 06, 2026, for Multi-Tape Computational Technique For Dynamic Encryption Of Digital Textual Information.

Inventors include Venkatesan R; Yasmin A; and Gaverchand K.

The application for the patent was published on September 11, 2026, under issue no. 37/2026.

Abstract: The present invention provides a multi-tape computational technique for dynamic encryption of digital textual information using a coordinated computational architecture comprising data, position-control, transformation, and feedback-state tapes. The data tape represents the input information in byte form, while the position- control tape provides dynamic control over the selection of data positions. The transformation tape supports the generation of variable transformation values, and the feedback-state tape maintains an evolving computational state that influences successive processing operations. The coordinated interaction of the tapes introduces dynamic variation in both positional selection and transformation generation, thereby reducing reliance on a predetermined processing sequence. Modular arithmetic is employed to generate encrypted data, while the corresponding computational state and positional information enable regeneration of the processing sequence during decryption. The technique provides reversible processing of textual information and is applicable to secure messaging, electronic correspondence, digital document protection, confidential data storage, secure information exchange, and digital transmission of textual information.

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