Josef Pieprzyk

Hassan Jameel Asghar, Shujun Li, Josef Pieprzyk, Huaxiong Wang: Cryptanalysis of the convex hull click human identification protocol. Int. J. Inf. Sec. 12(2): 83-96 (2013)

Mohammad Ali Orumiehchiha, Josef Pieprzyk, Elham Shakour, Ron Steinfeld: Cryptanalysis of RC4(n, m) Stream Cipher. IACR Cryptology ePrint Archive 2013: 178 (2013)

Mohammad Ali Orumiehchiha, Josef Pieprzyk, Ron Steinfeld, Harry Bartlett: Security Analysis of Linearly Filtered NLFSRs. IACR Cryptology ePrint Archive 2013: 185 (2013)

Mohammad Ali Orumiehchiha, Josef Pieprzyk, Ron Steinfeld: Breaking NLM-MAC Generator. IACR Cryptology ePrint Archive 2013: 202 (2013)

Mohammad Ali Orumiehchiha, Josef Pieprzyk, Ron Steinfeld: Cryptanalysis of WG-7: a lightweight stream cipher. Cryptography and Communications 4(3-4): 277-285 (2012)

Hossein Ghodosi, Josef Pieprzyk, Ron Steinfeld: Multi-party computation with conversion of secret sharing. Des. Codes Cryptography 62(3): 259-272 (2012)

Reza Sepahi, Josef Pieprzyk, Siamak Fayyaz Shahandashti, Berry Schoenmakers: New security notions and relations for public-key encryption. J. Mathematical Cryptology 6(3-4): 183-227 (2012)

Yvo Desmedt, Josef Pieprzyk, Ron Steinfeld, Xiaoming Sun, Christophe Tartary, Huaxiong Wang, Andrew Chi-Chih Yao: Graph Coloring Applied to Secure Computation in Non-Abelian Groups. J. Cryptology 25(4): 557-600 (2012)

Lei Wei, Thomas Peyrin, Przemyslaw Sokolowski, San Ling, Josef Pieprzyk, Huaxiong Wang: On the (In)Security of IDEA in Various Hashing Modes. FSE 2012: 163-179

Ron Steinfeld, San Ling, Josef Pieprzyk, Christophe Tartary, Huaxiong Wang: NTRUCCA: How to Strengthen NTRUEncrypt to Chosen-Ciphertext Security in the Standard Model. Public Key Cryptography 2012: 353-371

Yvo Desmedt, Josef Pieprzyk, Ron Steinfeld: Active Security in Multiparty Computation over Black-Box Groups. SCN 2012: 503-521

Lei Wei, Thomas Peyrin, Przemyslaw Sokolowski, San Ling, Josef Pieprzyk, Huaxiong Wang: On the (In)Security of IDEA in Various Hashing Modes. IACR Cryptology ePrint Archive 2012: 264 (2012)

Pawel Morawiecki, Josef Pieprzyk, Marian Srebrny: Rotational cryptanalysis of round-reduced Keccak. IACR Cryptology ePrint Archive 2012: 546 (2012)

Mohammad Ali Orumiehchiha, Josef Pieprzyk, Elham Shakour, Ron Steinfeld: Security Evaluation of Rakaposhi Stream Cipher. IACR Cryptology ePrint Archive 2012: 656 (2012)

Hassan Jameel Asghar, Shujun Li, Ron Steinfeld, Josef Pieprzyk: Does Counting Still Count? Revisiting the Security of Counting based User Authentication Protocols against Statistical Attacks. IACR Cryptology ePrint Archive 2012: 659 (2012)

Hassan Jameel Asghar, Josef Pieprzyk, Huaxiong Wang: On the Hardness of the Sum of k Mins Problem. Comput. J. 54(10): 1652-1660 (2011)

Josef Pieprzyk, Huaxiong Wang, Xian-Mo Zhang: Möbius transforms, coincident Boolean functions and non-coincidence property of Boolean functions. Int. J. Comput. Math. 88(7): 1398-1416 (2011)

Gaurav Gupta, Josef Pieprzyk, Len Hamey: Bucket attack on numeric set watermarking model and safeguards. Inf. Sec. Techn. Report 16(2): 59-66 (2011)

Gaurav Gupta, Josef Pieprzyk: Socio-technological phishing prevention. Inf. Sec. Techn. Report 16(2): 67-73 (2011)

Reza Sepahi, Ron Steinfeld, Josef Pieprzyk: Lattice-Based Completely Non-malleable PKE in the Standard Model (Poster). ACISP 2011: 407-411

Mehmet A. Orgun, Atilla Elçi, Oleg B. Makarevich, Sorin A. Huss, Josef Pieprzyk, Lyudmila K. Babenko, Alexander G. Chefranov, Rajan Shankaran (Eds.): Proceedings of the 4th International Conference on Security of Information and Networks, SIN 2011, Sydney, NSW, Australia, November 14-19, 2011. ACM 2011, isbn 978-1-4503-1020-8

Mohammad Ali Orumiehchiha, Josef Pieprzyk, Ron Steinfeld: Cryptanalysis of WG-7 (A Lightweight Stream Cipher for RFID Encryption). IACR Cryptology ePrint Archive 2011: 687 (2011)

Hung-Min Sun, Huaxiong Wang, Bying-He Ku, Josef Pieprzyk: Decomposition Construction for Secret Sharing Schemes with Graph Access Structures in Polynomial Time. SIAM J. Discrete Math. 24(2): 617-638 (2010)

Chiew Kang Leng, Josef Pieprzyk: Blind Steganalysis: A Countermeasure for Binary Image Steganography. ARES 2010: 653-658

Chiew Kang Leng, Josef Pieprzyk: Estimating Hidden Message Length in Binary Image Embedded by Using Boundary Pixels Steganography. ARES 2010: 683-688

Hassan Jameel Asghar, Josef Pieprzyk, Huaxiong Wang: A New Human Identification Protocol and Coppersmith's Baby-Step Giant-Step Algorithm. ACNS 2010: 349-366

Ivica Nikolic, Josef Pieprzyk, Przemyslaw Sokolowski, Ron Steinfeld: Known and Chosen Key Differential Distinguishers for Block Ciphers. ICISC 2010: 29-48

Chiew Kang Leng, Josef Pieprzyk: Binary Image Steganographic Techniques Classification Based on Multi-class Steganalysis. ISPEC 2010: 341-358

Hassan Jameel Asghar, Shujun Li, Josef Pieprzyk, Huaxiong Wang: Cryptanalysis of the Convex Hull Click Human Identification Protocol. ISC 2010: 24-30

Chiew Kang Leng, Josef Pieprzyk: Identifying Steganographic Payload Location in Binary Image. PCM (1) 2010: 590-600

Josef Pieprzyk: Evolution of cryptographic hashing. SIN 2010: 1

Josef Pieprzyk (Ed.): Topics in Cryptology - CT-RSA 2010, The Cryptographers' Track at the RSA Conference 2010, San Francisco, CA, USA, March 1-5, 2010. Proceedings. Lecture Notes in Computer Science 5985, Springer 2010, isbn 978-3-642-11924-8

Hassan Jameel Asghar, Josef Pieprzyk, Huaxiong Wang: A New Human Identification Protocol and Coppersmith's Baby-Step Giant-Step Algorithm. IACR Cryptology ePrint Archive 2010: 316 (2010)

Hassan Jameel Asghar, Shujun Li, Josef Pieprzyk, Huaxiong Wang: Cryptanalysis of the Convex Hull Click Human Identification Protocol. IACR Cryptology ePrint Archive 2010: 478 (2010)

Qingsong Ye, Huaxiong Wang, Josef Pieprzyk, Xian-Mo Zhang: Unconditionally secure disjointness tests for private datasets. IJACT 1(3): 225-235 (2009)

Gaurav Gupta, Josef Pieprzyk: Reversible and Blind Database Watermarking Using Difference Expansion. IJDCF 1(2): 42-54 (2009)

Shujun Li, Hassan Jameel Asghar, Josef Pieprzyk, Ahmad-Reza Sadeghi, Roland Schmitz, Huaxiong Wang: On the Security of PAS (Predicate-Based Authentication Service). ACSAC 2009: 209-218

Aileen Zhang, Chu-Wee Lim, Khoongming Khoo, Lei Wei, Josef Pieprzyk: Extensions of the Cube Attack Based on Low Degree Annihilators. CANS 2009: 87-102

Alex Biryukov, Praveen Gauravaram, Jian Guo, Dmitry Khovratovich, San Ling, Krystian Matusiewicz, Ivica Nikolic, Josef Pieprzyk, Huaxiong Wang: Cryptanalysis of the LAKE Hash Family. FSE 2009: 156-179

Qingsong Ye, Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang: Efficient Fuzzy Matching and Intersection on Private Datasets. ICISC 2009: 211-228

Gaurav Gupta, Josef Pieprzyk: Database Relation Watermarking Resilient against Secondary Watermarking Attacks. ICISS 2009: 222-236

Hossein Ghodosi, Josef Pieprzyk: Multi-Party Computation with Omnipresent Adversary. Public Key Cryptography 2009: 180-195

Vijayakrishnan Pasupathinathan, Josef Pieprzyk, Huaxiong Wang: Certified Pseudonyms Colligated with Master Secret Key. SECRYPT 2009: 190-197

Gaurav Gupta, Josef Pieprzyk, Mohan S. Kankanhalli: Robust and Reversible Numerical Set Watermarking. SIGMAP 2009: 141-148

Josef Pieprzyk, Fangguo Zhang (Eds.): Provable Security, Third International Conference, ProvSec 2009, Guangzhou, China, November 11-13, 2009. Proceedings. Lecture Notes in Computer Science 5848, Springer 2009, isbn 978-3-642-04641-4

Atilla Elçi, Oleg B. Makarevich, Mehmet A. Orgun, Alexander G. Chefranov, Josef Pieprzyk, Yuri Anatolievich Bryukhomitsky, Siddika Berna Örs (Eds.): Proceedings of the 2nd International Conference on Security of Information and Networks, SIN 2009, Gazimagusa, North Cyprus, October 6-10, 2009. ACM 2009, isbn 978-1-60558-412-6

Aileen Zhang, Chu-Wee Lim, Khoongming Khoo, Lei Wei, Josef Pieprzyk: Extensions of the Cube Attack based on Low Degree Annihilators. IACR Cryptology ePrint Archive 2009: 49 (2009)

Cameron McDonald, Philip Hawkes, Josef Pieprzyk: Differential Path for SHA-1 with complexity $O(2^{52})$. IACR Cryptology ePrint Archive 2009: 259 (2009)

Shujun Li, Hassan Jameel Asghar, Josef Pieprzyk, Ahmad-Reza Sadeghi, Roland Schmitz, Huaxiong Wang: On the Security of PAS (Predicate-based Authentication Service). IACR Cryptology ePrint Archive 2009: 476 (2009)

Vijayakrishnan Pasupathinathan, Josef Pieprzyk, Huaxiong Wang: Security Analysis of Australian and E.U. E-passport Implementation. Journal of Research and Practice in Information Technology 40(3): 187-206 (2008)

Jin Yuan, Cunsheng Ding, Huaxiong Wang, Josef Pieprzyk: Permutation polynomials of the form (x^p-x+delta)^s+L(x). Finite Fields and Their Applications 14(2): 482-493 (2008)

Christophe Tartary, Sujing Zhou, Dongdai Lin, Huaxiong Wang, Josef Pieprzyk: Analysis of bilinear pairing-based accumulator for identity escrowing. IET Information Security 2(4): 99-107 (2008)

Christophe Tartary, Huaxiong Wang, Josef Pieprzyk: A coding approach to the multicast stream authentication problem. Int. J. Inf. Sec. 7(4): 265-283 (2008)

Chris Charnes, Ulrich Dempwolff, Josef Pieprzyk: The eight variable homogeneous degree three bent functions. J. Discrete Algorithms 6(1): 66-72 (2008)

Qingsong Ye, Huaxiong Wang, Josef Pieprzyk, Xian-Mo Zhang: Efficient Disjointness Tests for Private Datasets. ACISP 2008: 155-169

Peishun Wang, Huaxiong Wang, Josef Pieprzyk: Improvement of a Dynamic Accumulator at ICICS 07 and Its Application in Multi-user Keyword-Based Retrieval on Encrypted Data. APSCC 2008: 1381-1386

Peishun Wang, Huaxiong Wang, Josef Pieprzyk: Keyword Field-Free Conjunctive Keyword Searches on Encrypted Data and Extension for Dynamic Groups. CANS 2008: 178-195

Chiew Kang Leng, Josef Pieprzyk: Features-Pooling Blind JPEG Image Steganalysis. DICTA 2008: 96-103

Ron Steinfeld, Scott Contini, Krystian Matusiewicz, Josef Pieprzyk, Jian Guo, San Ling, Huaxiong Wang: Cryptanalysis of LASH. FSE 2008: 207-223

Gaurav Gupta, Josef Pieprzyk: Source Code Watermarking Based on Function Dependency Oriented Sequencing. IIH-MSP 2008: 965-968

Vijayakrishnan Pasupathinathan, Josef Pieprzyk, Huaxiong Wang: An On-Line Secure E-Passport Protocol. ISPEC 2008: 14-28

Jin Yuan, Qingsong Ye, Huaxiong Wang, Josef Pieprzyk: Secure Computation of the Vector Dominance Problem. ISPEC 2008: 319-333

Qingsong Ye, Huaxiong Wang, Josef Pieprzyk: Distributed Private Matching and Set Operations. ISPEC 2008: 347-360

Vijayakrishnan Pasupathinathan, Josef Pieprzyk, Huaxiong Wang: A Fair e-Tendering Protocol. SECRYPT 2008: 294-299

Peishun Wang, Huaxiong Wang, Josef Pieprzyk: Threshold Privacy Preserving Keyword Searches. SOFSEM 2008: 646-658

Peishun Wang, Huaxiong Wang, Josef Pieprzyk: An Efficient Scheme of Common Secure Indices for Conjunctive Keyword-Based Retrieval on Encrypted Data. WISA 2008: 145-159

Josef Pieprzyk (Ed.): Advances in Cryptology - ASIACRYPT 2008, 14th International Conference on the Theory and Application of Cryptology and Information Security, Melbourne, Australia, December 7-11, 2008. Proceedings. Lecture Notes in Computer Science 5350, Springer 2008, isbn 978-3-540-89254-0

Gaurav Gupta, Josef Pieprzyk: Software Watermarking Resilient to Debugging Attacks. Journal of Multimedia 2(2): 10-16 (2007)

Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang: Lattice-Based Threshold Changeability for Standard Shamir Secret-Sharing Schemes. IEEE Transactions on Information Theory 53(7): 2542-2559 (2007)

Brian Curtis, Josef Pieprzyk, Jan Seruga: An Efficient eAuction Protocol. ARES 2007: 417-421

Christophe Tartary, Josef Pieprzyk, Huaxiong Wang: Verifiable Multi-secret Sharing Schemes for Multiple Threshold Access Structures. Inscrypt 2007: 167-181

Yvo Desmedt, Josef Pieprzyk, Ron Steinfeld, Huaxiong Wang: On Secure Multi-party Computation in Black-Box Groups. CRYPTO 2007: 591-612

Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang: How to Strengthen Any Weakly Unforgeable Signature into a Strongly Unforgeable Signature. CT-RSA 2007: 357-371

Krystian Matusiewicz, Thomas Peyrin, Olivier Billet, Scott Contini, Josef Pieprzyk: Cryptanalysis of FORK-256. FSE 2007: 19-38

Peishun Wang, Huaxiong Wang, Josef Pieprzyk: A New Dynamic Accumulator for Batch Updates. ICICS 2007: 98-112

Scott Contini, Krystian Matusiewicz, Josef Pieprzyk: Extending FORK-256 Attack to the Full Hash Function. ICICS 2007: 296-305

Joo Yeon Cho, Josef Pieprzyk: Multiple Modular Additions and Crossword Puzzle Attack on NLSv2. ISC 2007: 230-248

Christophe Tartary, Huaxiong Wang, Josef Pieprzyk: An Hybrid Approach for Efficient Multicast Stream Authentication over Unsecured Channels. ProvSec 2007: 17-34

Peishun Wang, Huaxiong Wang, Josef Pieprzyk: Common Secure Index for Conjunctive Keyword-Based Retrieval over Encrypted Data. Secure Data Management 2007: 108-123

Gaurav Gupta, Josef Pieprzyk: Reversible and Semi-Blind Relational Database Watermarking. SIGMAP 2007: 283-290

Josef Pieprzyk, Hossein Ghodosi, Ed Dawson (Eds.): Information Security and Privacy, 12th Australasian Conference, ACISP 2007, Townsville, Australia, July 2-4, 2007, Proceedings. Lecture Notes in Computer Science 4586, Springer 2007, isbn 978-3-540-73457-4

Joo Yeon Cho, Josef Pieprzyk: Multiple Modular Additions and Crossword Puzzle Attack on NLSv2. IACR Cryptology ePrint Archive 2007: 38 (2007)

Joo Yeon Cho, Josef Pieprzyk: An Improved Distinguisher for Dragon. IACR Cryptology ePrint Archive 2007: 108 (2007)

Cameron McDonald, Chris Charnes, Josef Pieprzyk: An Algebraic Analysis of Trivium Ciphers based on the Boolean Satisfiability Problem. IACR Cryptology ePrint Archive 2007: 129 (2007)

Scott Contini, Krystian Matusiewicz, Josef Pieprzyk, Ron Steinfeld, Jian Guo, San Ling, Huaxiong Wang: Cryptanalysis of LASH. IACR Cryptology ePrint Archive 2007: 430 (2007)

Shoulun Long, Josef Pieprzyk, Huaxiong Wang, Duncan S. Wong: Generalised Cumulative Arrays in Secret Sharing. Des. Codes Cryptography 40(2): 191-209 (2006)

Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang: Lattice-based threshold-changeability for standard CRT secret-sharing schemes. Finite Fields and Their Applications 12(4): 653-680 (2006)

Josef Pieprzyk, Xian-Mo Zhang: Ideal Secret Sharing Schemes from Permutations. I. J. Network Security 2(3): 238-244 (2006)

Joo Yeon Cho, Josef Pieprzyk: Distinguishing Attack on SOBER-128 with Linear Masking. ACISP 2006: 29-39

Vijayakrishnan Pasupathinathan, Josef Pieprzyk, Huaxiong Wang, Joo Yeon Cho: Formal analysis of card-based payment systems in mobile devices. ACSW Frontiers 2006: 213-220

Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang: On the Provable Security of an Efficient RSA-Based Pseudorandom Generator. ASIACRYPT 2006: 194-209

Gaurav Gupta, Josef Pieprzyk, Huaxiong Wang: An attack-localizing watermarking scheme for natural language documents. ASIACCS 2006: 157-165

Xian-Mo Zhang, Josef Pieprzyk, Yuliang Zheng: On Algebraic Immunity and Annihilators. ICISC 2006: 65-80

Yvo Desmedt, Josef Pieprzyk, Ron Steinfeld, Huaxiong Wang: A Non-malleable Group Key Exchange Protocol Robust Against Active Insiders. ISC 2006: 459-475

Gaurav Gupta, Josef Pieprzyk: A Low-Cost Attack on Branch-Based Software Watermarking Schemes. IWDW 2006: 282-293

Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang: Higher Order Universal One-Way Hash Functions from the Subset Sum Assumption. Public Key Cryptography 2006: 157-173

Joo Yeon Cho, Josef Pieprzyk: Crossword Puzzle Attack on NLS. Selected Areas in Cryptography 2006: 249-265

Hossein Ghodosi, Josef Pieprzyk: An Ideal and Robust Threshold RSA. VIETCRYPT 2006: 312-321

Joo Yeon Cho, Josef Pieprzyk: Crossword Puzzle Attack on NLS. IACR Cryptology ePrint Archive 2006: 49 (2006)

Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang: On the Provable Security of an Efficient RSA-Based Pseudorandom Generator. IACR Cryptology ePrint Archive 2006: 206 (2006)

Krystian Matusiewicz, Scott Contini, Josef Pieprzyk: Weaknesses of the FORK-256 compression function. IACR Cryptology ePrint Archive 2006: 317 (2006)

Josef Pieprzyk, Xian-Mo Zhang, Jovan Dj. Golic: Characterisations of Extended Resiliency and Extended Immunity of S-Boxes. ICISC 2005: 210-228

Ron Steinfeld, Scott Contini, Huaxiong Wang, Josef Pieprzyk: Converse Results to the Wiener Attack on RSA. Public Key Cryptography 2005: 184-198

Krystian Matusiewicz, Josef Pieprzyk: Finding Good Differential Patterns for Attacks on SHA-1. WCC 2005: 164-177

Vijayakrishnan Pasupathinathan, Josef Pieprzyk, Huaxiong Wang: Privacy Enhanced Electronic Cheque System. CEC 2005: 431-434

Krystian Matusiewicz, Josef Pieprzyk, Norbert Pramstaller, Christian Rechberger, Vincent Rijmen: Analysis of simplified variants of SHA-256. WEWoRC 2005: 123-134

Tianbing Xia, Jennifer Seberry, Josef Pieprzyk, Chris Charnes: Homogeneous bent functions of degree n in 2n variables do not exist for nge3. Discrete Applied Mathematics 142(1-3): 127-132 (2004)

Josef Pieprzyk, Xian-Mo Zhang: On Cheating Immune Secret Sharing. Discrete Mathematics & Theoretical Computer Science 6(2): 253-264 (2004)

Josef Pieprzyk, Xian-Mo Zhang: Characterisations of Ideal Threshold Schemes. Discrete Mathematics & Theoretical Computer Science 6(2): 471-482 (2004)

Huaxiong Wang, Josef Pieprzyk: Shared generation of pseudo-random functions. J. Complexity 20(2-3): 458-472 (2004)

Ron Steinfeld, Huaxiong Wang, Josef Pieprzyk: Lattice-Based Threshold-Changeability for Standard Shamir Secret-Sharing Schemes. ASIACRYPT 2004: 170-186

Hartono Kurnio, Huaxiong Wang, Josef Pieprzyk, Kris Gaj: Securing Multicast Groups in Ad Hoc Networks. AWCC 2004: 194-207

Hossein Ghodosi, Josef Pieprzyk: A Modification to the 'Authentication of Concast Communication'. Cryptographic Algorithms and their Uses 2004: 72-77

Joo Yeon Cho, Josef Pieprzyk: Algebraic Attacks on SOBER-t32 and SOBER-t16 without Stuttering. FSE 2004: 49-64

Ron Steinfeld, Huaxiong Wang, Josef Pieprzyk: Efficient Extension of Standard Schnorr/RSA Signatures into Universal Designated-Verifier Signatures. Public Key Cryptography 2004: 86-100

Huaxiong Wang, Josef Pieprzyk, Vijay Varadharajan (Eds.): Information Security and Privacy: 9th Australasian Conference, ACISP 2004, Sydney, Australia, July 13-15, 2004. Proceedings. Lecture Notes in Computer Science 3108, Springer 2004, isbn 3-540-22379-7

Krystian Matusiewicz, Josef Pieprzyk: Finding good differential patterns for attacks on SHA-1. IACR Cryptology ePrint Archive 2004: 364 (2004)

Josef Pieprzyk, Thomas Hardjono, Jennifer Seberry: Fundamentals of computer security. Springer 2003, isbn 978-3-540-43101-5, pp. I-XX, 1-677

Josef Pieprzyk, David Pointcheval: Josef Pieprzyk, David Pointcheval. ACISP 2003: 387-401

Huaxiong Wang, Josef Pieprzyk: Efficient One-Time Proxy Signatures. ASIACRYPT 2003: 507-522

Ron Steinfeld, Laurence Bull, Huaxiong Wang, Josef Pieprzyk: Universal Designated-Verifier Signatures. ASIACRYPT 2003: 523-542

Huaxiong Wang, Josef Pieprzyk: Shared Generation of Pseudo-Random Functions with Cumulative Maps. CT-RSA 2003: 281-294

Josef Pieprzyk, Huaxiong Wang, Chaoping Xing: Multiple-Time Signature Schemes against Adaptive Chosen Message Attacks. Selected Areas in Cryptography 2003: 88-100

Kamil Kulesza, Zbigniew Kotulski, Josef Pieprzyk: On alternative approach for verifiable secret sharing. IACR Cryptology ePrint Archive 2003: 35 (2003)

Ron Steinfeld, Laurence Bull, Huaxiong Wang, Josef Pieprzyk: Universal Designated-Verifier Signatures. IACR Cryptology ePrint Archive 2003: 192 (2003)

Ron Steinfeld, Huaxiong Wang, Josef Pieprzyk: Efficient Extension of Standard Schnorr/RSA signatures into Universal Designated-Verifier Signatures. IACR Cryptology ePrint Archive 2003: 193 (2003)

Soroush Sedaghat, Josef Pieprzyk, Ehsan Vossough: On-the-fly web content integrity check boosts users's confidence. Commun. ACM 45(11): 33-37 (2002)

Josef Pieprzyk, Xian-Mo Zhang: Multisecret Sharing Immune Against Cheating. Informatica (Slovenia) 26(3) (2002)

Josef Pieprzyk, Xian-Mo Zhang: Cheating Prevention in Linear Secret Sharing. ACISP 2002: 121-135

Nicolas Courtois, Josef Pieprzyk: Cryptanalysis of Block Ciphers with Overdefined Systems of Equations. ASIACRYPT 2002: 267-287

Mohamed Al-Ibrahim, Josef Pieprzyk: Authentication of transit flows and k-siblings one-time signature. Communications and Multimedia Security 2002: 41-55

Huaxiong Wang, Josef Pieprzyk: A Combinatorial Approach to Anonymous Membership Broadcast. COCOON 2002: 162-170

Josef Pieprzyk, Xian-Mo Zhang: Ideal Threshold Schemes from Orthogonal Arrays. ICICS 2002: 469-479

Keith M. Martin, Josef Pieprzyk, Reihaneh Safavi-Naini, Huaxiong Wang, Peter R. Wild: Threshold MACs. ICISC 2002: 237-252

Josef Pieprzyk, Xian-Mo Zhang: Ideal Threshold Schemes from MDS Codes. ICISC 2002: 253-263

Mohamed Al-Ibrahim, Hossein Ghodosi, Josef Pieprzyk: Authentication of Concast Communication. INDOCRYPT 2002: 185-198

Kamil Kulesza, Zbigniew Kotulski, Josef Pieprzyk: On alternative approach for verifiable secret sharing. CoRR math.CO/0211267 (2002)

Nicolas Courtois, Josef Pieprzyk: Cryptanalysis of Block Ciphers with Overdefined Systems of Equations. IACR Cryptology ePrint Archive 2002: 44 (2002)

Yvo Desmedt, Reihaneh Safavi-Naini, Huaxiong Wang, Lynn Margaret Batten, Chris Charnes, Josef Pieprzyk: Broadcast anti-jamming systems. Computer Networks 35(2-3): 223-236 (2001)

Hossein Ghodosi, Josef Pieprzyk: Democratic Systems. ACISP 2001: 392-402

Soroush Sedaghat, Josef Pieprzyk, Ehsan Vossough: A Dynamic Web Agent for Verifying the Security and Integrity of a Web Site's Contents. CSCWD 2001: 330-337

Xian-Mo Zhang, Josef Pieprzyk: Cheating Immune Secret Sharing. ICICS 2001: 144-149

Jaroslaw Pastuszak, Darek Michalek, Josef Pieprzyk: Copyright Protection of Object-Oriented Software. ICISC 2001: 186-199

Josef Pieprzyk, Xian-Mo Zhang: Constructions of Cheating Immune Secret Sharing. ICISC 2001: 226-243

Mohamed Al-Ibrahim, Josef Pieprzyk: Authenticating Multicast Streams in Lossy Channels Using Threshold Techniques. ICN (2) 2001: 239-249

Josef Pieprzyk, Xian-Mo Zhang: Cheating Prevention in Secret Sharing over GF(p^t). INDOCRYPT 2001: 79-90

Chengxin Qu, Jennifer Seberry, Josef Pieprzyk: Homogeneous bent functions. Discrete Applied Mathematics 102(1-2): 133-139 (2000)

Hossein Ghodosi, Josef Pieprzyk: Cheating Prevention in Secret Sharing. ACISP 2000: 328-341

Jaroslaw Pastuszak, Josef Pieprzyk, Jennifer Seberry: Codes Identifying Bad Signature in Batches. INDOCRYPT 2000: 143-154

Jaroslaw Pastuszak, Dariusz Michatek, Josef Pieprzyk, Jennifer Seberry: Identification of Bad Signatures in Batches. Public Key Cryptography 2000: 28-45

Josef Pieprzyk, Eiji Okamoto, Jennifer Seberry (Eds.): Information Security, Third International Workshop, ISW 2000, Wollongong, NSW, Australia, December 20-21, 2000, Proceedings. Lecture Notes in Computer Science 1975, Springer 2000, isbn 3-540-41416-9

Keith M. Martin, Josef Pieprzyk, Reihaneh Safavi-Naini, Huaxiong Wang: Changing Thresholds in the Absence of Secure Channels. Australian Computer Journal 31(2): 34-43 (1999)

Josef Pieprzyk, Cheng Xin Qu: Rotation-Symmetric Functions and Fast Hashing. J. UCS 5(1): 20-31 (1999)

Chengxin Qu, Jennifer Seberry, Josef Pieprzyk: On the Symmetric Property of Homogeneous Boolean Functions. ACISP 1999: 26-35

Chih-Hung Li, Josef Pieprzyk: Conference Key Agreement from Secret Sharing. ACISP 1999: 64-76

Willy Susilo, Reihaneh Safavi-Naini, Josef Pieprzyk: Fail-Stop Threshold Signature Schemes Based on Elliptic Curves. ACISP 1999: 103-116

Hossein Ghodosi, Josef Pieprzyk: Repudiation of Cheating and Non-repudiation of Zhang's Proxy Signature Schemes. ACISP 1999: 129-134

Keith M. Martin, Josef Pieprzyk, Reihaneh Safavi-Naini, Huaxiong Wang: Changing Thresholds in the Absence of Secure Channels. ACISP 1999: 177-191

Josef Pieprzyk: Linear Secret Sharing with Divisible Shares. ICICS 1999: 71-86

Josef Pieprzyk, Eiji Okamoto: Verfiable Secret Sharing and Time Capsules. ICISC 1999: 169-183

Willy Susilo, Reihaneh Safavi-Naini, Josef Pieprzyk: RSA-Based Fail-Stop Signature Schemes. ICPP Workshops 1999: 161-166

Josef Pieprzyk: Fingerprints for Copyright Software Protection. ISW 1999: 178-190

Josef Pieprzyk, Reihaneh Safavi-Naini, Jennifer Seberry (Eds.): Information Security and Privacy, 4th Australasian Conference, ACISP'99, Wollongong, NSW, Australia, April 7-9, 1999, Proceedings. Lecture Notes in Computer Science 1587, Springer 1999, isbn 3-540-65756-8

Josef Pieprzyk, Cheng Xin Qu: Rotation-Symmetric Functions and Fast Hashing. ACISP 1998: 169-180

Hossein Ghodosi, Josef Pieprzyk, Reihaneh Safavi-Naini: Secret Sharing in Multilevel and Compartmented Groups. ACISP 1998: 367-378

Hossein Ghodosi, Josef Pieprzyk, Reihaneh Safavi-Naini, Huaxiong Wang: On Construction of Cumulative Secret Sharing Schemes. ACISP 1998: 379-390

Ahmad Baraani-Dastjerdi, Josef Pieprzyk, Reihaneh Safavi-Naini: A Multi-Level View Model for Secure Object-Oriented Databases. Data Knowl. Eng. 23(2): 97-117 (1997)

Shahram Bakhtiari, Reihaneh Safavi-Naini, Josef Pieprzyk: On the Weakness of Gong's Collisionful Hash Functions. J. UCS 3(3): 185-196 (1997)

Ahmad Baraani-Dastjerdi, Josef Pieprzyk, Reihaneh Safavi-Naini, Janusz R. Getta: Using Cryptographic Hash Functions for Discretionary Access Control in Object-Oriented Databases. J. UCS 3(6): 730-753 (1997)

Shahram Bakhtiari, Reihaneh Safavi-Naini, Josef Pieprzyk: A Message Authentication Code Based on Latin Squares. ACISP 1997: 194-203

Hossein Ghodosi, Josef Pieprzyk, Reihaneh Safavi-Naini: Remarks on the multiple assignment secret sharing scheme. ICICS 1997: 72-80

Chris Charnes, Keith M. Martin, Josef Pieprzyk, Reihaneh Safavi-Naini: Secret sharing in hierarchical groups. ICICS 1997: 81-86

Vijay Varadharajan, Josef Pieprzyk, Yi Mu (Eds.): Information Security and Privacy, Second Australasian Conference, ACISP'97, Sydney, NSW, Australia, July 7-9, 1997, Proceedings. Lecture Notes in Computer Science 1270, Springer 1997, isbn 3-540-63232-8

Josef Pieprzyk, Hossein Ghodosi, Chris Charnes, Reihaneh Safavi-Naini: Cryptography based on transcendental numbers. ACISP 1996: 96-107

Ahmad Baraani-Dastjerdi, Josef Pieprzyk, Reihaneh Safavi-Naini: Modeling a multi-level secure object-oriented database using views. ACISP 1996: 190-206

Mansour Esmaili, Reihaneh Safavi-Naini, Josef Pieprzyk: Evidential reasoning in network intrusion detection systems. ACISP 1996: 253-265

Hossein Ghodosi, Josef Pieprzyk, Chris Charnes, Reihaneh Safavi-Naini: Cryptosystems for hierarchical groups. ACISP 1996: 275-286

Shahram Bakhtiari, Reihaneh Safavi-Naini, Josef Pieprzyk: On selectable collisionful hash functions. ACISP 1996: 287-298

Shahram Bakhtiari, Reihaneh Safavi-Naini, Josef Pieprzyk: On password-based authenticated key exchange using collisionful hash functions. ACISP 1996: 299-310

Mansour Esmaili, Bala Balachandran, Reihaneh Safavi-Naini, Josef Pieprzyk: Case-Based Reasoning for Intrusion Detection. ACSAC 1996: 214-223

Mansour Esmaili, Reihaneh Safavi-Naini, Josef Pieprzyk: Computer Intrusion Detection and Incomplete Information. IEA/AIE 1996: 778

Josef Pieprzyk, Jennifer Seberry (Eds.): Information Security and Privacy, First Australasian Conference, ACISP'96, Wollongong, NSW, Australia, June 24-26, 1996, Proceedings. Lecture Notes in Computer Science 1172, Springer 1996, isbn 3-540-61991-7

Ahmad Baraani-Dastjerdi, Janusz R. Getta, Josef Pieprzyk, Reihaneh Safavi-Naini: A Cryptographic Solution to Discretionary Access Control in Structurally Object-Oriented Databases. Australasian Database Conference 1995: 0-

Shahram Bakhtiari, Reihaneh Safavi-Naini, Josef Pieprzyk: Keyed Hash Functions. Cryptography: Policy and Algorithms 1995: 201-214

Ahmad Baraani-Dastjerdi, Josef Pieprzyk, Reihaneh Safavi-Naini, Janusz R. Getta: A Model of Authorization for Object-Oriented Databases based on Object Views. DOOD 1995: 503-520

Ahmad Baraani-Dastjerdi, Josef Pieprzyk, Reihaneh Safavi-Naini, Janusz R. Getta: A Cryptographic Mechanism for Object-Instance-Based Authorization in Object-Oriented Database Systems. OOER 1995: 44-54

Josef Pieprzyk, Reihaneh Safavi-Naini (Eds.): Advances in Cryptology - ASIACRYPT '94, 4th International Conference on the Theory and Applications of Cryptology, Wollongong, Australia, November 28 - December 1, 1994, Proceedings. Lecture Notes in Computer Science 917, Springer 1995, isbn 3-540-59339-X

Chris Charnes, Josef Pieprzyk: Attacking the SL₂ Hashing Scheme. ASIACRYPT 1994: 322-330

Chris Charnes, Josef Pieprzyk, Reihaneh Safavi-Naini: Conditionally Secure Secret Sharing Schemes with Disenrollment Capability. ACM Conference on Computer and Communications Security 1994: 89-95

Chris Charnes, Luke O'Connor, Josef Pieprzyk, Reihaneh Safavi-Naini, Yuliang Zheng: Comments on Soviet Encryption Algorithm. EUROCRYPT 1994: 433-438

Josef Pieprzyk, Babak Sadeghiyan: Design of Hashing Algorithms. Lecture Notes in Computer Science 756, Springer 1993, isbn 3-540-57500-6

Yuliang Zheng, Josef Pieprzyk, Jennifer Seberry: HAVAL - A One-Way Hashing Algorithm with Variable Length of Output. AUSCRYPT 1992: 83-104

Chris Charnes, Josef Pieprzyk: Linear Nonequivalence versus Nonlinearity. AUSCRYPT 1992: 156-164

Babak Sadeghiyan, Josef Pieprzyk: A Construction for Super Pseudorandom Permutations from A Single Pseudorandom Function. EUROCRYPT 1992: 267-284

Jennifer Seberry, Josef Pieprzyk: Cryptography - an introduction to computer security. Advances in computer science series, Prentice Hall 1991, isbn 978-0-13-194986-7, pp. I-VII, 1-375

Lawrence Brown, Matthew Kwan, Josef Pieprzyk, Jennifer Seberry: Improving Resistance to Differential Cryptanalysis and the Redesign of LOKI. ASIACRYPT 1991: 36-50

Babak Sadeghiyan, Yuliang Zheng, Josef Pieprzyk: How to Construct A Family of Strong One Way Permutations. ASIACRYPT 1991: 97-110

Yuliang Zheng, Thomas Hardjono, Josef Pieprzyk: Sibling Intractable Function Families and Their Applications (Extended Abstract). ASIACRYPT 1991: 124-138

Babak Sadeghiyan, Josef Pieprzyk: On Necessary and Sufficient Conditions for the Construction of Super Pseudorandom Permutations. ASIACRYPT 1991: 194-209

Josef Pieprzyk, Babak Sadeghiyan: Optima Perfect Randomizers. ASIACRYPT 1991: 225-236

Matthew Kwan, Josef Pieprzyk: A General Purpose Technique for Locating Key Scheduling Weakness in DES-like Cryptosystems (Extended Abstract). ASIACRYPT 1991: 237-246

Babak Sadeghiyan, Josef Pieprzyk: A Construction for One Way Hash Functions and Pseudorandom Bit Generators. EUROCRYPT 1991: 431-445

Josef Pieprzyk, Reihaneh Safavi-Naini: Randomized Authentication Systems. EUROCRYPT 1991: 472-481

Josef Pieprzyk: Probabilistic Analysis of Elementary Randimizers. EUROCRYPT 1991: 542-546

Lawrence Brown, Josef Pieprzyk, Jennifer Seberry: LOKI - A Cryptographic Primitive for Authentication and Secrecy Applications. AUSCRYPT 1990: 229-236

Josef Pieprzyk, Xian-Mo Zhang: Permutation Generators of Alternating Groups. AUSCRYPT 1990: 237-244

Josef Pieprzyk: How to Construct Pseudorandom Permutations from Single Pseudorandom Functions. EUROCRYPT 1990: 140-150

Jennifer Seberry, Josef Pieprzyk (Eds.): Advances in Cryptology - AUSCRYPT '90, International Conference on Cryptology, Sydney, Australia, January 8-11, 1990, Proceedings. Lecture Notes in Computer Science 453, Springer 1990, isbn 3-540-53000-2

Josef Pieprzyk: Non-linearity of Exponent Permutations. EUROCRYPT 1989: 80-92

Josef Pieprzyk: On Public-Key Cryptosystems Built using Polynomial Rings. EUROCRYPT 1985: 73-78

Josef Pieprzyk: Algebraical Structures of Cryptographic Transformations. EUROCRYPT 1984: 16-24