Yong-Woon Hwang, Taehoon Kim, Daehee Seo, Im-Yeong Lee, Vol. 16, No. 12, December 31, 2022
10.3837/tiis.2022.12.015

• Cloud Access Control; Data Sharing; Attribute-based Signcryption; Traceability; Constant-Size Ciphertext; Outsourcing;

Huimin Ren, Suhyun Kim, Daehee Seo, Imyeong Lee, Vol. 16, No. 5, May 31, 2022
10.3837/tiis.2022.05.015

• certificateless
• Authenticated group key agreement
• One-Round
• pairing-free
• ECC
• Impersonation Attacks