A new class of atomicity,namely contract atomicity is presented.A newtechnical strategy based on convertible signature and two-phase commitment is proposed forimplementing atomicity of electronic contract protocol.A n...A new class of atomicity,namely contract atomicity is presented.A newtechnical strategy based on convertible signature and two-phase commitment is proposed forimplementing atomicity of electronic contract protocol.A new atomic contract signing protocol isgiven out by using ElGam-al-like convertible undeniable signature and commitment of conversion key,and another new atomic contract signing protocol is brought forward by using RSA-based convertibleundeniable signature scheme and commitment ofconversion key.These two new protocols are proved tobe of atomicity,fairness,prnacy-non-repudiation.展开更多
基金Supported by the National NaturaL Science Foundation of China(90101005.60473023.60373087)
文摘A new class of atomicity,namely contract atomicity is presented.A newtechnical strategy based on convertible signature and two-phase commitment is proposed forimplementing atomicity of electronic contract protocol.A new atomic contract signing protocol isgiven out by using ElGam-al-like convertible undeniable signature and commitment of conversion key,and another new atomic contract signing protocol is brought forward by using RSA-based convertibleundeniable signature scheme and commitment ofconversion key.These two new protocols are proved tobe of atomicity,fairness,prnacy-non-repudiation.
