59 search results - page 6 / 12 » A Chosen-Ciphertext Attack against NTRU |
JCIT
2008
14 years 11 months ago
2008
A group oriented encryption scheme is presented in this paper. In this scheme, a sender is allowed to encrypt a message using the group public key and send the ciphertext to the gr...
114
click to vote
PROVSEC
2009
Springer
15 years 6 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...
101
click to vote
SCN
2008
Springer
14 years 11 months ago
2008
Springer
In this paper, we build, in a generic way, two asymmetric cryptosystems with a careful study of their security. We present first an additively homomorphic scheme which generalizes,...
102
click to vote
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 ...
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...