59 search results - page 6 / 12 » A Chosen-Ciphertext Attack against NTRU |
JCIT
2008
13 years 8 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...
PROVSEC
2009
Springer
14 years 3 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...
SCN
2008
Springer
13 years 8 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,...
ASIACRYPT
2000
Springer
14 years 26 days 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
14 years 1 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...