209 search results - page 39 / 42 » Secure Hash-and-Sign Signatures Without the Random Oracle |
IJISEC
2007
13 years 7 months ago
2007
Universal Re-encryption allows El-Gamal ciphertexts to be re-encrypted without knowledge of their corresponding public keys. This has made it an enticing building block for anonymo...
EUROCRYPT
2005
Springer
14 years 28 days ago
2005
Springer
Biometric data offer a potential source of high-entropy, secret information that can be used in cryptographic protocols provided two issues are addressed: (1) biometric data are n...
FC
2005
Springer
14 years 28 days ago
2005
Springer
Abstract. Suppose Alice and Bob are two entities (e.g. agents, organizations, etc.) that wish to negotiate a contract. A contract consists of several clauses, and each party has ce...
EUROCRYPT
2004
Springer
14 years 23 days ago
2004
Springer
We provide methods for transforming an encryption scheme susceptible to decryption errors into one that is immune to these errors. Immunity to decryption errors is vital when const...
ICCSA
2007
Springer
14 years 1 months ago
2007
Springer
An encrypted email is sent from Bob to Alice. A gateway wants to check whether a certain keyword exists in an email or not for some reason (e.g. routing). Nevertheless Alice does n...