@misc{cryptoeprint:2004:258, author = {S.S. Al-Riyami and J. Malone-Lee and N.P. Smart}, title = {Escrow-Free Encryption Supporting Cryptographic Workflow}, howpublished = {Cryptology ePrint Archive, Report 2004/258}, year = {2004}, url = {http://eprint.iacr.org/2004/258}, }