New Public-Key Cryptosystem Using Braid Groups. - Ki Hyoung Ko; Sangjin Lee; Jung Hee Cheon; Jae Woo Han; Ju-Sung Kang; Choonsik Park (CRYPTO, 2000)

An Efficient Implementation of Braid Groups. - Jae Choon Cha; Ki Hyoung Ko; Sangjin Lee; Jae Woo Han; Jung Hee Cheon (ASIACRYPT, 2001)

New Signature Scheme Using Conjugacy Problem. - Ki Hyoung Ko; Doo-Ho Choi; Mi Sung Cho; Jang-Won Lee 004 (IACR Cryptol. ePrint Arch., 2002)

Towards generating secure keys for braid cryptography. - Ki Hyoung Ko; Jang-Won Lee 004; Tony Thomas (Des. Codes Cryptogr., 2007)

Characteristics of Graph Braid Groups. - Ki Hyoung Ko; Hyo Won Park (Discret. Comput. Geom., 2012)