Content Extraction Signatures. - Ron Steinfeld; Laurence Bull; Yuliang Zheng 001 (ICISC, 2001)

Grouping Verifiable Content for Selective Disclosure. - Laurence Bull; David McG. Squire; Jan Newmarch; Yuliang Zheng 001 (ACISP, 2003)

Universal Designated-Verifier Signatures. - Ron Steinfeld; Laurence Bull; Huaxiong Wang; Josef Pieprzyk (ASIACRYPT, 2003)

Content extraction signatures using XML digital signatures and custom transforms on-demand. - Laurence Bull; Peter Stañski; David Squire (WWW, 2003)

XML Signature Extensibility Using Custom Transforms. - Laurence Bull; David McG. Squire (WISE, 2004)

A Hierarchical Extraction Policy for content extraction signatures: Selectively handling verifiable digital content. - Laurence Bull; David McG. Squire; Yuliang Zheng 001 (Int. J. Digit. Libr., 2004)