Design a Secure Public Key Cryptosystem Based on a New Key Exchange Protocol

Résumé

Encryption is emerging as a vital weapon in the age of digital communications, playing a crucial role in protecting and securing data. Encryption allows us to balance security with legitimate access to information, enhancing user privacy and protecting sensitive data. The continued development of encryption technologies remains of great importance in meeting the continuing challenges of data security in a world increasingly dependent on the circulation of digital information. In this work, we presented a highly secure cryptosystem by introducing a new protocol called poly Diffie-Hellman key exchange instead of Diffie-Hellman key exchange.