135 search results - page 14 / 27 » Formal Indistinguishability Extended to the Random Oracle Mo... |
FOCS
2006
IEEE
14 years 1 months ago
2006
IEEE
We prove that the hit-and-run random walk is rapidly mixing for an arbitrary logconcave distribution starting from any point in the support. This extends the work of [26], where t...
FC
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. We introduce a new cryptographic problem called time capsule signature. Time capsule signature is a ‘future signature’ that becomes valid from a specific future time...
MST
2006
13 years 7 months ago
2006
Motivated by problems of pattern statistics, we study the limit distribution of the random variable counting the number of occurrences of the symbol a in a word of length n chosen...
CTRSA
2004
Springer
14 years 28 days ago
2004
Springer
Abstract. In this paper, we give a first example of identity based undeniable signature using pairings over elliptic curves. We extend to the identity based setting the security m...
ISPA
2005
Springer
14 years 1 months ago
2005
Springer
Identity-based (ID-based) public key cryptosystem can be a good alternative for certificate-based public key setting, especially when efficient key management and moderate securit...