175 search results - page 7 / 35 » Chosen-Ciphertext Security of Multiple Encryption |
113
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ASIACRYPT
2000
Springer
15 years 4 months ago
2000
Springer
Assuming a cryptographically strong cyclic group G of prime order q and a random hash function H, we show that ElGamal encryption with an added Schnorr signature is secure against ...
89
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CORR
2007
Springer
15 years 14 days ago
2007
Springer
Abstract. Identity-based encryption (IBE) schemes are usually used in multiplePKG environments — on the one hand, each administrative domain (e.g., a relatively small and close o...
128
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PROVSEC
2009
Springer
15 years 7 months ago
2009
Springer
Signcryption is a cryptographic primitive that provides authentication and confidentiality simultaneously in a single logical step. It is often required that multiple senders have...
PKC
2005
Springer
15 years 6 months ago
2005
Springer
Abstract. We define and discuss symmetric subgroup membership problems and their properties, including a relation to the Decision DiffieHellman problem. We modify the Cramer-Shoup...
99
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CRYPTO
2003
Springer
15 years 5 months ago
2003
Springer
Abstract. In this paper, we reconsider the notion of plaintext awareness. We present a new model for plaintext-aware encryption that is both natural and useful. We achieve plaintex...