Per Kaijser On Authentication, Digital Signatures and Signature Laws. [Citation Graph (0, 0)][DBLP] Communications and Multimedia Security, 1999, pp:117-132 [Conf]
Per Kaijser Security protection for parts of a data structure. [Citation Graph (0, 0)][DBLP] Computer Communications, 1994, v:17, n:7, pp:476-482 [Journal]