Invention Grant
- Patent Title: Revocation of cryptographic digital certificates
- Patent Title (中): 撤销加密数字证书
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Application No.: US12492896Application Date: 2009-06-26
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Publication No.: US08209531B2Publication Date: 2012-06-26
- Inventor: Craig B. Gentry , Zulfikar Amin Ramzan , Bernhard Bruhn
- Applicant: Craig B. Gentry , Zulfikar Amin Ramzan , Bernhard Bruhn
- Applicant Address: JP Tokyo
- Assignee: NTT DoCoMo, Inc.
- Current Assignee: NTT DoCoMo, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Haynes and Boone, LLP
- Agent Michael Shenker
- Main IPC: H04L29/06
- IPC: H04L29/06 ; G06F21/00
Abstract:
A single validity proof (ci(F)) may be provided to certificate owners for a set (F) of the certificates via a multicast transmission if a multicasting group (2010) is formed to correspond to the set.
Public/Granted literature
- US20090265548A1 REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES Public/Granted day:2009-10-22
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