Her Yong-Sork

A Design of Cryptographic Hash Function Group with Variable Output-Length Based on SHA-1

幸一 櫻井, Sakurai Kouichi, 容碩 許, 2002 .

An improved attack on a receipt-free and universally verifiable mix-type voting scheme

Sakurai Kouichi, Imamoto Kenji, Her Yong-Sork, 2004 .