PUBLIC KEY BASED ENCRYPTION METHOD AND KEY GENERATION SERVER

摘要

A public key based encryption method is disclosed. The public key based encryption method comprises the steps of: (a) generating a public constant and a master secret key by a server; (b) generating a partial secret key of the receiving terminal and transmitting the partial secret key to the receiving terminal; (C) selecting the secret value by the receiving terminal, (d) generating the secret key by the receiving terminal, (e) generating the public key by the receiving terminal, (F) encrypting a message to generate a cipher text, and transmitting the cipher text to the receiving terminal, and (g) decoding the cipher text by the receiving terminal.