Grouped Threshold Digital Signed System
Xueqi Cheng · Jisuanji yingyong yanjiu · 2007
Previous threshold digital signed system usually stop service when system use proactive secret share scheme,because the whole system has to join the scheme.A Grouped Threshold Digital Signed System(GDSS) was mentioned.The system use proactive secret share scheme and sub-sign verify scheme,these schemes need only part of system to join.So GDSS has high availability and security.