94 search results - page 4 / 19 » Proxy Re-signature Schemes Without Random Oracles |
108
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TIT
2011
14 years 6 months ago
2011
Abstract. In 1998, Blaze, Bleumer, and Strauss proposed a cryptographic primitive called proxy re-encryption, in which a proxy transforms – without seeing the corresponding plain...
130
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AFRICACRYPT
2010
Springer
15 years 6 months ago
2010
Springer
A fair blind signature is a blind signature with revocable anonymity and unlinkability, i.e., an authority can link an issuing session to the resulting signature and trace a signat...
101
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TCC
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. We show a new protocol for blind signatures in which security is preserved even under arbitrarily-many concurrent executions. The protocol can be based on standard crypto...
103
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PKC
2007
Springer
15 years 5 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...
121
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DCC
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, we formally prove that padding the plaintext with a random bit-string provides the semantic security against chosen plaintext attack (IND-CPA) for the McEliece (and ...