Chengxin Shu

Title: Innovations of Chengxin Shu in Cryptography

Introduction

Chengxin Shu is a notable inventor based in Guangzhou, China. He has made significant contributions to the field of cryptography, particularly in the area of homomorphic encryption. His work focuses on enhancing the capabilities of attribute-based encryption methods, which are crucial for secure data sharing and access control.

Latest Patents

Chengxin Shu holds a patent for a "Bootstrappable fully homomorphic attribute-based encryption method with unbounded circuit depth." This innovative method addresses the limitations of existing homomorphic attribute-based encryption (HABE) schemes, which are restricted to circuits with bounded depth or a limited number of inputs. The proposed scheme allows for computations of circuits with unbounded depth over cross-attribute ciphertexts. It also features a lightweight ciphertext and eliminates reliance on the random oracle model. Furthermore, the invention extends to a proxy re-encryption setting, facilitating efficient sharing of encrypted data through a lattice-based multi-hop attribute-based proxy re-encryption scheme.

Career Highlights

Chengxin Shu has worked at prestigious institutions such as Jinan University and The Hong Kong Polytechnic University. His academic and research endeavors have significantly advanced the field of cryptography, particularly in the development of secure encryption methods.

Collaborations

Chengxin Shu has collaborated with notable colleagues, including Jian Weng and Shixin Chen. Their joint efforts have contributed to the advancement of cryptographic techniques and methodologies.

Conclusion

Chengxin Shu's innovative work in homomorphic attribute-based encryption represents a significant advancement in cryptography. His contributions are vital for enhancing data security and access control in various applications.