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INFORMATION THEORETICALLY SECURE KEY EXCHANGE ALGORITHM
Keywords:
key exchange, private encryption, public encryption, integer factorization problem, man in the middle attach, perfect scheme.DOI:
https://doi.org/10.17654/0974165823023Abstract
We propose an algorithm that enables secure information and communication channel based on perfect end-to-end key-exchange scheme. The secure channel between two users enables each user to use the public key of the other user to derive a specific private key for both users. In a review of previous work, we have shown that traditional (but yet widely used) security algorithm such as those that use public key encryption are not perfect-secure; the public key encryption (known as N, or the Modules’ Arithmetic Number) makes these schemes to be broken under many kinds of attacks. Unlike these schemes, our approach is not based on the computational assumptions like: Integer Factorization (as for RSA); and Discrete Logarithm Problem (as for Diffie-Hellman). In addition, our approach improved the process to prevent the man-in-the-middle attack which is a crucial problem that remains unsolved.
Received: February 8, 2023;
Accepted: March 20, 2023;
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