发明名称 |
Apparatus and method for a direct anonymous attestation scheme from short-group signatures |
摘要 |
An apparatus and method is provided for a direct anonymous attestation scheme from short-group signatures. The method may include the creation of a group public/private key pair for a trusted membership group defined by an issuer; and assigning a cryptographic pair that is combined with a unique private member value to form a private membership key. A trusted member device generates the unique private member value during a join procedure of a trusted membership group. In one embodiment, the private member value of the private membership key is unknown to the issuer. A member may sign a message with the private membership key to form a short-group digital signature that is verified using a public key of the trusted membership group to maintain anonymity of trusted member devices. A size of the private membership key may be reduced to enable storage within a trusted platform module. Other embodiments are described and claimed.
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申请公布号 |
US8356181(B2) |
申请公布日期 |
2013.01.15 |
申请号 |
US20080208989 |
申请日期 |
2008.09.11 |
申请人 |
INTEL CORPORATION;BRICKELL ERNIE F.;LI JIANGTAO |
发明人 |
BRICKELL ERNIE F.;LI JIANGTAO |
分类号 |
H04L9/32 |
主分类号 |
H04L9/32 |
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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