Bull, L., Stanski, P. and Squire, D. M.: Content Extraction Signatures using XML Digital Signatures and Custom Transforms On-Demand, WWW 2003, pp. 170-177, ACM (2003).
Izu, T., Kanaya, N., Takenaka, M. and Yoshioka, T.: PIATS: A Partially Sanitizable Signature Scheme, ICICS 2005, LNCS 3783, PP. 72-83, Springer-Verlag (2005).(Preliminary version was published at CSS 2004 as“検証者が署名者と墨塗り者を検証可能な電子文書の墨塗り方式”, by Takenaka, M., Yoshioka, T. and Kanaya, N.).
行政機関の保有する情報の公開に関する法律, 総務省 (1999). Available at http://law.e-gov-go.jp/htmldata/H11/Hl1HOO42.html