219 search results - page 17 / 44 » Privacy for Private Key in Signatures |
CCS
2007
ACM
15 years 3 months ago
2007
ACM
We construct an Attribute-Based Encryption (ABE) scheme that allows a user’s private key to be expressed in terms of any access formula over attributes. Previous ABE schemes wer...
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PKC
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. Key-insulated cryptography is a crucial technique for protecting private keys. To strengthen the security of key-insulated protocols, Hanaoka, Hanaoka and Imai recently i...
CISC
2008
Springer
14 years 11 months ago
2008
Springer
Anonymity is one of the main concerns in group-oriented cryptography. However, most efforts, for instance, group signatures and ring signatures, are only made to provide anonymity ...
ACISP
2001
Springer
15 years 2 months ago
2001
Springer
The market for Personal Digital Assistants (PDA) is growing rapidly and PDAs are becoming increasingly interesting for commercial transactions. One requirement for further growing ...
CCS
2006
ACM
15 years 1 months ago
2006
ACM
We introduce a simple primitive called Augmented Broadcast Encryption (ABE) that is sufficient for constructing broadcast encryption, traitor-tracing, and trace-and-revoke systems...