发明名称 |
Public key certificate issuing system, public key certificate issuing method, digital certification apparatus, and program storage medium |
摘要 |
A public key certificate issuing system is disclosed which comprises a certificate authority for issuing a public key certificate for an entity, the certificate authority including a plurality of signature modules each executing a different encryption algorithm and a registration authority that receives a public key certificate issuance request from the entity.
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申请公布号 |
US8214637(B2) |
申请公布日期 |
2012.07.03 |
申请号 |
US20100659289 |
申请日期 |
2010.03.03 |
申请人 |
OKA MAKOTO;ISHIBASHI YOSHIHITO;MATSUYAMA SHINAKO;WATANABE HIDEAKI;SONY CORPORATION |
发明人 |
OKA MAKOTO;ISHIBASHI YOSHIHITO;MATSUYAMA SHINAKO;WATANABE HIDEAKI |
分类号 |
G09C1/00;H04L9/32;G06F7/04;G06F12/14 |
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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