A conference key distribution system based on the Lagrange interpolating polynomial. - Erl-Huei Lu; Wen-Yie Hwang; Lein Harn; Jau-Yien Lee (INFOCOM, 1988)

A programmable VLSI architecture for computing multiplication and polynomial evaluation modulo a positive integer. - Erl-Huei Lu; Lein Harn; Jau-Yien Lee; Wen-Yih Hwang (IEEE J. Solid State Circuits, 1988)

An extended cryptographic key generation scheme for multilevel data security. - Lein Harn; Yaw-Ruey Chien; Thomas Kiesler (ACSAC, 1989)

Two new efficient cryptosystems based on Rabin's scheme: alternatives to RSA cryptosystem. - Lein Harn; Thomas Kiesler (ACSAC, 1989)

Dynamic Threshold Scheme Based on the Definition of Cross-Product in an N-Dimentional Linear Space. - Chi-Sung Laih; Lein Harn; Jau-Yien Lee; Tzonelih Hwang (CRYPTO, 1989)

Password Authentication Based On Public-Key Distribution Cryptosystem. - Lein Harn; David Huang; Chi-Sung Laih (ICDE, 1989)

A New Scheme for ID-Based Cryptosystems and Signature. - Chi-Sung Laih; Jau-Yien Lee; Lein Harn; Chin-Hsing Chen (INFOCOM, 1989)

Authenticated Group Key Distribution Scheme for a Large Distributed Network. - Lein Harn; Thomas Kiesler (S&P, 1989)

A new threshold scheme and its application in designing the conference key distribution cryptosystem. - Chi-Sung Laih; Jau-Yien Lee; Lein Harn (Inf. Process. Lett., 1989)

Linearly shift knapsack public-key cryptosystem. - Chi-Sung Laih; Jau-Yien Lee; Lein Harn; Yan-Kuin Su (IEEE J. Sel. Areas Commun., 1989)

On the Design of a Single-Key-Lock Mechanism Based on Newton's Interpolating Polynomial. - Chi-Sung Laih; Lein Harn; Jau-Yien Lee (IEEE Trans. Software Eng., 1989)

Entropy as a measure of database information. - Elizabeth A. Unger; Lein Harn; Vijay Kumar 002 (ACSAC, 1990)

A cryptographic key generation scheme for multilevel data security. - Lein Harn; Hung-Yu Lin (Comput. Secur., 1990)

An Efficient Probabilistic Encryption Scheme. - Lein Harn; Thomas Kiesler (Inf. Process. Lett., 1990)

On Oblivious Transfer Protocol and Its Application for the Exchange of Secrets. - Lein Harn; Hung-Yu Lin (ASIACRYPT, 1991)

Generalized Threshold Cryptosystems. - Chi-Sung Laih; Lein Harn (ASIACRYPT, 1991)

Two Efficient Server-Aided Secret Computation Protocols Based on the Addition Sequence. - Chi-Sung Laih; Sung-Ming Yen; Lein Harn (ASIACRYPT, 1991)

A Generalized Secret Sharing Scheme With Cheater Detection. - Hung-Yu Lin; Lein Harn (ASIACRYPT, 1991)

A Software Authentication System for the Prevention of Computer Viruses. - Lein Harn; Hung-Yu Lin; Shoubao Yang (ACM Conference on Computer Science, 1992)

Group-Oriented Undeniable Signature Schemes without the Assistance of a Mutually Trusted Party. - Lein Harn; Shoubao Yang (AUSCRYPT, 1992)

Public-Key Cryptosystem Based on the Discrete Logarithm Problem. - Lein Harn; Shoubao Yang (AUSCRYPT, 1992)

An l-Span Generalized Secret Sharing Scheme. - Lein Harn; Hung-Yu Lin (CRYPTO, 1992)

A software authentication system for information integrity. - Lein Harn; Hung-Yu Lin; Shoubao Yang (Comput. Secur., 1992)

ID-Based Cryptographic Schemes for User Identification, Digital Signature, and Key Distribution. - Lein Harn; Shoubao Yang (IEEE J. Sel. Areas Commun., 1993)

Key management for decentralized computer network services. - Lein Harn; Hung-Yu Lin (IEEE Trans. Commun., 1993)

A Protocol for Establishing Secure Communication Channels in a Large Network. - Lein Harn; David Huang (IEEE Trans. Knowl. Data Eng., 1994)

Authentication Protocols for Personal Communication Systems. - Hung-Yu Lin; Lein Harn (SIGCOMM, 1995)

Fair Reconstruction of a Secret. - Hung-Yu Lin; Lein Harn (Inf. Process. Lett., 1995)

Authentication protocols with nonrepudiation services in personal communication systems. - Hung-Yu Lin; Lein Harn (IEEE Commun. Lett., 1999)

Public-key cryptosystems based on cubic finite field extensions. - Guang Gong; Lein Harn (IEEE Trans. Inf. Theory, 1999)

The GH Public-Key Cryptosystem. - Guang Gong; Lein Harn; Huapeng Wu (Selected Areas in Cryptography, 2001)

On the security of wireless network access with enhancements. - Lein Harn; Wen-Jung Hsin (Workshop on Wireless Security, 2003)

Location-aware key management scheme for wireless sensor networks. - Dijiang Huang; Manish Mehta 003; Deep Medhi; Lein Harn (SASN, 2004)

Integrating Diffie-Hellman key exchange into the digital signature algorithm (DSA). - Lein Harn; Manish Mehta 003; Wen-Jung Hsin (IEEE Commun. Lett., 2004)

Simple certified e-check with a partial PKI solution. - Wen-Jung Hsin; Lein Harn (ACM Southeast Regional Conference (2), 2005)

The e-Traveler's Check. - Wen-Jung Hsin; Lein Harn (International Conference on Internet Computing, 2005)

Key Management for Multicast Fingerprinting. - Jian Wang 038; Lein Harn; Hideki Imai (ICISS, 2005)

RINK-RKP: a scheme for key predistribution and shared-key discovery in sensor networks. - Manish Mehta 003; Dijiang Huang; Lein Harn (IPCCC, 2005)

Storage-Optimal Key Sharing with Authentication in Sensor Networks. - Jian Wang 038; Zhengyou Xia; Lein Harn; Guihai Chen (ISPA Workshops, 2005)

Improved DSA variant for batch verification. - Chu-Hsing Lin; Ruei-Hau Hsu; Lein Harn (Appl. Math. Comput., 2005)

A Hierarchical Key Management Approach for Secure Multicast. - Jian Wang 038; Miodrag J. Mihaljevic; Lein Harn; Hideki Imai (ARCS, 2006)

An Improved Free-Roaming Mobile Agent Security Protocol against Colluded Truncation Attacks. - Darren Xu; Lein Harn; Mayur Narasimhan; Junzhou Luo (COMPSAC (2), 2006)

Ring Signature Based on ElGamal Signature. - Jian Ren 001; Lein Harn (WASA, 2006)

New architecture for intra-domain network security issues. - Dijiang Huang; Qing Cao; Amit Sinha; Marc J. Schniederjans; Cory C. Beard; Lein Harn; Deep Medhi (Commun. ACM, 2006)

Security in User-Assisted Communications. - Tong Zhou; Lein Harn (WTS, 2007)

An Improved Time-Bound Hierarchical Key Assignment Scheme. - Qingyu Xu; Mingxing He; Lein Harn (APSCC, 2008)

Efficient identity-based RSA multisignatures. - Lein Harn; Jian Ren 001 (Comput. Secur., 2008)

Design of Fully Deniable Authentication Service for E-mail Applications. - Lein Harn; Jian Ren 001 (IEEE Commun. Lett., 2008)

Generalized Ring Signatures. - Jian Ren 001; Lein Harn (IEEE Trans. Dependable Secur. Comput., 2008)

Ideal Perfect Multilevel Threshold Secret Sharing Scheme. - Changlu Lin; Lein Harn; Dingfeng Ye (IAS, 2009)

Information-theoretically Secure Strong Verifiable Secret Sharing. - Changlu Lin; Lein Harn; Dingfeng Ye (SECRYPT, 2009)

Detection and identification of cheaters in ( t , n ) secret sharing scheme. - Lein Harn; Changlu Lin (Des. Codes Cryptogr., 2009)

Efficient identity-based GQ multisignatures. - Lein Harn; Jian Ren 001; Changlu Lin (Int. J. Inf. Sec., 2009)

Hybrid Trust Structure in Self-Organizing Networks. - Tong Zhou; Lein Harn (Int. J. Interdiscip. Telecommun. Netw., 2009)

Design of DL-based certificateless digital signatures. - Lein Harn; Jian Ren 001; Changlu Lin (J. Syst. Softw., 2009)

Contract Signatures in E-Commerce Applications. - Lein Harn; Chu-Hsing Lin; Che-Wei Hu (BWCCA, 2010)

Efficient On-line/Off-line Signature Schemes Based on Multiple-Collision Trapdoor Hash Families. - Lein Harn; Wen-Jung Hsin; Changlu Lin (Comput. J., 2010)

Distributed security for multi-agent systems - review and applications. - Habib F. Rashvand; Khaled Salah 001; José M. Alcaraz Calero; Lein Harn (IET Inf. Secur., 2010)

Strong (n, t, n) verifiable secret sharing scheme. - Lein Harn; Changlu Lin (Inf. Sci., 2010)

Authenticated Group Key Transfer Protocol Based on Secret Sharing. - Lein Harn; Changlu Lin (IEEE Trans. Computers, 2010)

Contract signature in e-commerce. - Lein Harn; Chu-Hsing Lin (Comput. Electr. Eng., 2011)

Fully Deniable Message Authentication Protocols Preserving Confidentiality. - Lein Harn; Chia-Yin Lee; Changlu Lin; Chin-Chen Chang 001 (Comput. J., 2011)

Secure Key Transfer Protocol Based on Secret Sharing for Group Communications. - Chia-Yin Lee; Zhi-Hui Wang 001; Lein Harn; Chin-Chen Chang 001 (IEICE Trans. Inf. Syst., 2011)

Generalized Digital Certificate for User Authentication and Key Establishment for Secure Communications. - Lein Harn; Jian Ren 001 (IEEE Trans. Wirel. Commun., 2011)

Efficient (n, t, n) secret sharing schemes. - Yan-Xiao Liu 001; Lein Harn; Ching-Nung Yang; Yuqing Zhang 001 (J. Syst. Softw., 2012)

$k$ Out of $n$ Region Incrementing Scheme in Visual Cryptography. - Ching-Nung Yang; Hsiang-Wen Shih; Chih-Cheng Wu; Lein Harn (IEEE Trans. Circuits Syst. Video Technol., 2012)

An efficient group authentication for group communications. - Lein Harn; Changlu Lin (CoRR, 2013)

An Anonymous Multi-Receiver Encryption Based on RSA. - Lein Harn; Chin-Chen Chang 001; Hsiao-Ling Wu (Int. J. Netw. Secur., 2013)

Verifiable symmetric polynomial-based key distribution schemes. - Yan-Xiao Liu 001; Yuqing Zhang 001; Lein Harn; Yu-pu Hu (Secur. Commun. Networks, 2013)

Group Authentication. - Lein Harn (IEEE Trans. Computers, 2013)

An Efficient Threshold Anonymous Authentication Scheme for Privacy-Preserving Communications. - Jian Ren 001; Lein Harn (IEEE Trans. Wirel. Commun., 2013)

Group key distribution with full-healing property. - Yanan Liu; Lei Mao; Lein Harn; Yi Wang (ICCCN, 2014)

Efficient group Diffie-Hellman key agreement protocols. - Lein Harn; Changlu Lin (Comput. Electr. Eng., 2014)

Generalised cheater detection and identification. - Lein Harn (IET Inf. Secur., 2014)

Comments on 'fair (t, n) threshold secret sharing scheme'. - Lein Harn (IET Inf. Secur., 2014)

An authenticated group key distribution mechanism using theory of numbers. - Yanjun Liu 002; Lein Harn; Chin-Chen Chang 001 (Int. J. Commun. Syst., 2014)

Weighted Secret Sharing Based on the Chinese Remainder Theorem. - Lein Harn; Fuyou Miao 001 (Int. J. Netw. Secur., 2014)

Multilevel threshold secret sharing based on the Chinese Remainder Theorem. - Lein Harn; Fuyou Miao 001 (Inf. Process. Lett., 2014)

Secure secret reconstruction and multi-secret sharing schemes with unconditional security. - Lein Harn (Secur. Commun. Networks, 2014)

Verifiable secret sharing based on the Chinese remainder theorem. - Lein Harn; Fuyou Miao 001; Chin-Chen Chang 001 (Secur. Commun. Networks, 2014)

Secure universal designated verifier identity-based signcryption. - Changlu Lin; Fei Tang; Pinhui Ke; Lein Harn; Shengyuan Zhang (Secur. Commun. Networks, 2014)

Simulatable and secure certificate-based threshold signature without pairings. - Feng Wang 020; Chin-Chen Chang 001; Lein Harn (Secur. Commun. Networks, 2014)

Multipartite Secret Sharing Based on CRT. - Ching-Fang Hsu 001; Lein Harn (Wirel. Pers. Commun., 2014)

An Ideal Multi-secret Sharing Scheme Based on Connectivity of Graphs. - Ching-Fang Hsu 001; Lein Harn; Guohua Cui (Wirel. Pers. Commun., 2014)

A novel verifiable secret sharing mechanism using theory of numbers and a method for sharing secrets. - Yanjun Liu 002; Lein Harn; Chin-Chen Chang 001 (Int. J. Commun. Syst., 2015)

Dynamic threshold secret reconstruction and its application to the threshold cryptography. - Lein Harn; Ching-Fang Hsu 001 (Inf. Process. Lett., 2015)

Fair secret reconstruction in (t, n) secret sharing. - Lein Harn; Changlu Lin; Yong Li 002 (J. Inf. Secur. Appl., 2015)

An image-based key agreement protocol using the morphing technique. - Qian Mao; Chin-Chen Chang 001; Lein Harn; Shih-Chang Chang (Multim. Tools Appl., 2015)

Conference key establishment protocol using a multivariate polynomial and its applications. - Lein Harn; Guang Gong (Secur. Commun. Networks, 2015)

New Results on Ideal Multipartite Secret Sharing and its Applications to Group Communications. - Ching-Fang Hsu 001; Shan Wu; Lein Harn (Wirel. Pers. Commun., 2015)

Threshold Signature Scheme without Using Polynomial Interpolation. - Lein Harn; Feng Wang 020 (Int. J. Netw. Secur., 2016)

Full-healing group-key distribution in online social networks. - Yanan Liu; Lein Harn; Lei Mao; Zhangliang Xiong (Int. J. Secur. Networks, 2016)

Realizing secret sharing with general access structure. - Lein Harn; Ching-Fang Hsu 001; Mingwu Zhang; Tingting He; Maoyuan Zhang (Inf. Sci., 2016)

A Practical Hybrid Group Key Establishment for Secure Group Communications. - Lein Harn; Ching-Fang Hsu 001 (Comput. J., 2017)

Efficiently Obfuscating Anonymous Re-encryption Functionality with Average-Case Virtual Black-Box Security. - Mingwu Zhang; Yudi Zhang 001; Hua Shen 002; Chunming Tang 003; Lein Harn (J. Inf. Sci. Eng., 2017)

A Novel Design of Membership Authentication and Group Key Establishment Protocol. - Lein Harn; Ching-Fang Hsu 001 (Secur. Commun. Networks, 2017)

How to Share Secret Efficiently over Networks. - Lein Harn; Ching-Fang Hsu 001; Zhe Xia; Junwei Zhou 002 (Secur. Commun. Networks, 2017)

Computation-efficient key establishment in wireless group communications. - Ching-Fang Hsu 001; Lein Harn; Yi Mu 001; Maoyuan Zhang; Xuan Zhu (Wirel. Networks, 2017)

(t, n) Multi-Secret Sharing Scheme Based on Bivariate Polynomial. - Lein Harn; Ching-Fang Hsu 001 (Wirel. Pers. Commun., 2017)

A Novel Threshold Cryptography with Membership Authentication and Key Establishment. - Lein Harn; Ching-Fang Hsu 001 (Wirel. Pers. Commun., 2017)

Hierarchical Polynomial-Based Key Management Scheme in Fog Computing. - Ashwag Albakri; Mahesh Maddumala; Lein Harn (TrustCom/BigDataSE, 2018)

Centralized Group Key Establishment Protocol without a Mutually Trusted Third Party. - Lein Harn; Ching-Fang Hsu 001; Bohan Li (Mob. Networks Appl., 2018)

After-the-Fact Leakage-Resilient Identity-Based Authenticated Key Exchange. - Ou Ruan; Yuanyuan Zhang; Mingwu Zhang; Jing Zhou; Lein Harn (IEEE Syst. J., 2018)

Polynomial-based Lightweight Key Management in a Permissioned Blockchain. - Ashwag Albakri; Lein Harn; Mahesh Maddumala (CNS, 2019)

Provably Secure Group Authentication in the Asynchronous Communication Model. - Zhe Xia; Lein Harn; Bo Yang 003; Mingwu Zhang; Yi Mu 001; Willy Susilo; Weizhi Meng 001 (ICICS, 2019)

Non-Interactive Group Key Pre-Distribution Scheme (GKPS) for End-to-End Routing in Wireless Sensor Networks. - Ashwag Albakri; Lein Harn (IEEE Access, 2019)

Hierarchical Key Management Scheme with Probabilistic Security in a Wireless Sensor Network (WSN). - Ashwag Albakri; Lein Harn; Sejun Song (Secur. Commun. Networks, 2019)

Fast Multivariate-Polynomial-Based Membership Authentication and Key Establishment for Secure Group Communications in WSN. - Qi Cheng 008; Ching-Fang Hsu 001; Zhe Xia; Lein Harn (IEEE Access, 2020)

A Highly Reliable Arbiter PUF With Improved Uniqueness in FPGA Implementation Using Bit-Self-Test. - Zhangqing He; Wanbo Chen; Lingchao Zhang; Gaojun Chi; Qi Gao; Lein Harn (IEEE Access, 2020)

Non-Interactive Dealer-Free Dynamic Threshold Secret Sharing Based on Standard Shamir's SS for 5G Networks. - Chingfang Hsu 001; Lein Harn; Zhe Xia; Maoyuan Zhang (IEEE Access, 2020)

Lightweight group key distribution schemes based on pre-shared pairwise keys. - Lein Harn; Chingfang Hsu 001; Zhe Xia (IET Commun., 2020)

Secret sharing with secure secret reconstruction. - Lein Harn; Zhe Xia; Ching-Fang Hsu 001; Yining Liu 002 (Inf. Sci., 2020)

UMKESS: user-oriented multi-group key establishments using secret sharing. - Ching-Fang Hsu 001; Lein Harn; Bing Zeng (Wirel. Networks, 2020)

Non-interactive integrated membership authentication and group arithmetic computation output for 5G sensor networks. - Chingfang Hsu 001; Lein Harn; Zhe Xia; Maoyuan Zhang; Zhuo Zhao (IET Commun., 2021)

Design of ideal secret sharing based on new results on representable quadripartite matroids. - Chingfang Hsu 001; Lein Harn; Zhe Xia; Maoyuan Zhang; Quanrun Li (J. Inf. Secur. Appl., 2021)

Non-interactive secure multi-party arithmetic computations with confidentiality for P2P networks. - Lein Harn; Zhe Xia; Chingfang Hsu 001 (Peer-to-Peer Netw. Appl., 2021)

PUF-Based Mutual-Authenticated Key Distribution for Dynamic Sensor Networks. - Yanan Liu; Yijun Cui; Lein Harn; Zheng Zhang; Hao Yan; Yuan Cheng; Shuo Qiu (Secur. Commun. Networks, 2021)

Lightweight Privacy-Preserving Data Sharing Scheme for Internet of Medical Things. - Zhuo Zhao; Chingfang Hsu 001; Lein Harn; Qing Yang; Lulu Ke (Wirel. Commun. Mob. Comput., 2021)

Lightweight and flexible key distribution schemes for secure group communications. - Lein Harn; Chingfang Hsu 001; Zhe Xia (Wirel. Networks, 2021)

A novel threshold changeable secret sharing scheme. - Lein Harn; Chingfang Hsu 001; Zhe Xia (Frontiers Comput. Sci., 2022)

Lightweight key establishment with the assistance of mutually connected sensors in wireless sensor networks (WSNs). - Wei Liu; Lein Harn; Jian Weng 001 (IET Commun., 2022)

Information-theoretic secure rational secret sharing in asynchronous networks for untrusted cloud environments. - Chingfang Hsu 001; Lein Harn; Zhe Xia; Linyan Bai; Ze Zhang (J. Cloud Comput., 2022)

General logic-operation-based lightweight group-key distribution schemes for Internet of Vehicles. - Lein Harn; Chingfang Hsu 001; Zhe Xia (Veh. Commun., 2022)

Efficient and Secure Authentication Key Establishment Protocol Using Chaotic Map and PUF in Smart Environments. - Fengling Pang; Chingfang Hsu 001; Man Ho Au; Lein Harn; Ze Zhang; Li Long (TrustCom, 2023)

A Practical Lightweight Anonymous Authentication and Key Establishment Scheme for Resource-Asymmetric Smart Environments. - Linyan Bai; Ching-Fang Hsu 001; Lein Harn; Jianqun Cui; Zhuo Zhao (IEEE Trans. Dependable Secur. Comput., 2023)

Three-Factor Anonymous Authentication and Key Agreement Based on Fuzzy Biological Extraction for Industrial Internet of Things. - Hang Xu; Ching-Fang Hsu 001; Lein Harn; Jianqun Cui; Zhuo Zhao; Ze Zhang (IEEE Trans. Serv. Comput., 2023)

Construction of Lightweight Authenticated Joint Arithmetic Computation for 5G IoT Networks. - Chingfang Hsu 001; Lein Harn; Zhe Xia; Jianqun Cui; Jingxue Chen (Comput. J., 2023)

Fast and Lightweight Authenticated Group Key Agreement Realizing Privacy Protection for Resource-Constrained IoMT. - Ching-Fang Hsu 001; Lein Harn; Zhe Xia; Zhuo Zhao; Hang Xu (Wirel. Pers. Commun., 2023)

A Lightweight and Robust Stream Cipher Based on PI for Intelligent Transportation Systems. - Hongyu Wang; Ching-Fang Hsu 001; Lein Harn (Wirel. Pers. Commun., 2023)

Simple and efficient threshold changeable secret sharing. - Lein Harn; Chingfang Hsu 001; Zhe Xia; Hang Xu; Shuchang Zeng; Fengling Pang (J. Inf. Secur. Appl., 2023)

Multiple Blind Signature for e-Voting and e-Cash. - Lein Harn; Ching-Fang Hsu 001; Zhe Xia; Zixuan Li (Comput. J., 2023)

Ideal dynamic threshold Multi-secret data sharing in smart environments for sustainable cities. - Ching-Fang Hsu 001; Zhe Xia; Lein Harn; Man Ho Au; Jianqun Cui; Zhuo Zhao (Inf. Sci., 2023)

Extremely Lightweight Constant-Round Membership-Authenticated Group Key Establishment for Resource-Constrained Smart Environments toward 5G. - Ching-Fang Hsu 001; Zhe Xia; Tianshu Cheng; Lein Harn (Comput. J., 2024)

A revocable and comparable attribute-based signature scheme from lattices for IoMT. - Liu Liu; Ching-Fang Hsu 001; Man Ho Au; Lein Harn; Jianqun Cui; Zhuo Zhao (J. Syst. Archit., 2024)

PRLAP-IoD: A PUF-based Robust and Lightweight Authentication Protocol for Internet of Drones. - Ze Zhang; Chingfang Hsu 001; Man Ho Au; Lein Harn; Jianqun Cui; Zhe Xia; Zhuo Zhao (Comput. Networks, 2024)

Efficient and Privacy-Preserving Skyline Queries Over Encrypted Data Under a Blockchain-Based Audit Architecture. - Shuchang Zeng; Ching-Fang Hsu 001; Lein Harn; Yi-Ning Liu 002; Yang Liu 368 (IEEE Trans. Knowl. Data Eng., 2024)

Lightweight ring-neighbor-based user authentication and group-key agreement for internet of drones. - Zhuo Zhao; Ching-Fang Hsu 001; Lein Harn; Zhe Xia; Xinyu Jiang; Liu Liu (Cybersecur., 2024)

Provably secure and lightweight authentication protocol using PUF and blockchain for smart grids. - Honglang Hu; Ching-Fang Hsu 001; Jianqun Cui; Lein Harn; Qihang Hou; Long Li (J. Supercomput., 2025)

Provably Secure and Efficient One-to-Many Authentication and Key Agreement Protocol for Resource-Asymmetric Smart Environments. - Long Li; Ching-Fang Hsu 001; Jianqun Cui; Man Ho Au; Lein Harn; Quanrun Li (IEEE Internet Things J., 2025)