发明名称 |
Authentication system, authentication method, signing apparatus, signing method, certifying apparatus, certifying method, and a computer-readable recording medium with a program making a computer execute the method recorded therein |
摘要 |
The authentication system has a signing station and a certifying station. The signing station divides the data to be transmitted into a plurality of data, a hash unit creates a plurality of authenticators by applying a different one-way function to each of the data. In the certifying station, a separating unit divides the data into a plurality of data, a hash unit creates a plurality of authenticators by applying a different one-way function to each data, and a comparing unit compares the authenticators prepared anew with the authenticators separated from the received data and checks the authentication of the data from the comparison.
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申请公布号 |
US7512801(B1) |
申请公布日期 |
2009.03.31 |
申请号 |
US19990406087 |
申请日期 |
1999.09.24 |
申请人 |
FUJITSU LIMITED |
发明人 |
AKIYAMA RYOTA;KOTANI SEIGO;HASEBE TAKAYUKI;SASAKI TAKAOKI |
分类号 |
G09C1/00;H04L9/00;G06T1/00;H04L9/32;H04N1/387 |
主分类号 |
G09C1/00 |
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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