K-time proxy signature: Formal definition and efficient construction

• المؤلفون الرئيسيون: LIU, Weiwei, YANG, Guomin, MU, Yi, WEI, Jiannan
• التنسيق: text
• اللغة: English
• منشور في: Institutional Knowledge at Singapore Management University 2013
• الموضوعات: proxy signature; restricted delegation; secret sharing; Information Security
• الوصول للمادة أونلاين: https://ink.library.smu.edu.sg/sis_research/7378; https://ink.library.smu.edu.sg/context/sis_research/article/8381/viewcontent/K_time_proxy_signature.pdf
• المؤسسة: Singapore Management University

Proxy signature, which allows an original signer to delegate his/her signing right to another party (or proxy signer), is very useful in many applications. Conventional proxy signature only allows the original signer to specify in the warrant the validity time period of the delegation but not the nu...