Yee-Lee ErWei-Chuen YauSyh-Yuan TanBok-Min Goi2024-12-272024-12-2720129789400750821978940075083810.1007/978-94-007-5083-8_23https://dspace-cris.utar.edu.my/handle/123456789/8366Email Encryption System Using Certificateless Public Key Encryption Schemebook-chapter