Invention Grant
- Patent Title: Certificate-based encryption and public key infrastructure
- Patent Title (中): 基于证书的加密和公钥基础设施
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Application No.: US12245472Application Date: 2008-10-03
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Publication No.: US07751558B2Publication Date: 2010-07-06
- Inventor: Craig B. Gentry
- Applicant: Craig B. Gentry
- Applicant Address: JP Tokyo
- Assignee: NTT Docomo, Inc.
- Current Assignee: NTT Docomo, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Haynes and Boone LLP
- Main IPC: H04L9/30
- IPC: H04L9/30
Abstract:
A digital message can be sent from a sender to a recipient in a public-key based cryptosystem comprising a hierarchy of authorizers. A message recipient can decrypt a message from a message sender only if the recipient possesses up-to-date authority from an authorizer. Other features are also provided.
Public/Granted literature
- US20090034740A1 CERTIFICATE-BASED ENCRYPTION AND PUBLIC KEY INFRASTRUCTURE Public/Granted day:2009-02-05
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