Invention Grant
- Patent Title: Public key certificate issuing system, public key certificate issuing method, digital certification apparatus, and program storage medium
- Patent Title (中): 公钥证书发行系统，公钥证书发行方式，数字认证装置和程序存储介质
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Application No.: US12659289Application Date: 2010-03-03
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Publication No.: US08214637B2Publication Date: 2012-07-03
- Inventor: Makoto Oka , Yoshihito Ishibashi , Shinako Matsuyama , Hideaki Watanabe
- Applicant: Makoto Oka , Yoshihito Ishibashi , Shinako Matsuyama , Hideaki Watanabe
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rader Fishman & Grauer, PLLC
- Priority: JP2001-002220 20010110
- Main IPC: H04L9/32
- IPC: H04L9/32 ; G06F7/04 ; G06F12/14
Abstract:
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.
Public/Granted literature
Information query
