发明名称 |
METHOD AND APPARATUS FOR SIMULTANEOUS ELECTRONIC EXCHANGE USING A SEMI-TRUSTED THIRD PARTY |
摘要 |
A method and apparatus for fairly exchanging documents. A first document is shared between principal Y and third party Z. A second document is shared between principal X and third party Z. Z verifies that the sharing of the first and second documents has been performed correctly without Z understanding either document. If verified, Z sends its shares of the first and second documents to Y and X, respectively. X and Y verify that Z's shares are authentic. |
申请公布号 |
WO9827688(A2) |
申请公布日期 |
1998.06.25 |
申请号 |
WO1997US23220 |
申请日期 |
1997.12.11 |
申请人 |
AT & T CORP. |
发明人 |
FRANKLIN, MATTHEW, KEITH;REITER, MICHAEL, KENDRICK |
分类号 |
G06Q20/02;G06Q20/04;G06Q20/12;G07F7/10;H04L9/32 |
主分类号 |
G06Q20/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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