1769 search results - page 273 / 354 » Cryptography |
PKC
2004
Springer
14 years 3 months ago
2004
Springer
The isogeny for elliptic curve cryptosystems was initially used for the efficient improvement of order counting methods. Recently, Smart proposed the countermeasure using isogeny f...
PKC
2004
Springer
14 years 3 months ago
2004
Springer
Let E be an elliptic curve defined over F2n . The inverse operation of point doubling, called point halving, can be done up to three times as fast as doubling. Some authors have t...
PKC
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. Bellare, Boldyreva, Desai, and Pointcheval [1] recently proposed a new security requirement of the encryption schemes called “keyprivacy.” It asks that the encryption...
TCC
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. We present a general method to prove security properties of cryptographic protocols against active adversaries, when the messages exchanged by the honest parties are arbi...
TCC
2004
Springer
14 years 3 months ago
2004
Springer
We show how to public-key obfuscate two commonly used shuffles: decryption shuffles which permute and decrypt ciphertexts, and re-encryption shuffles which permute and re-encrypt c...