1562 search results - page 244 / 313 » Mathematics, Cryptology, Security |
FC
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. We introduce a novel conditional e-cash protocol allowing future anonymous cashing of bank-issued e-money only upon the satisfaction of an agreed-upon public condition. P...
FC
2007
Springer
14 years 2 months ago
2007
Springer
We propose an economic approach to Sybil attack detection. In our Informant protocol, a detective offers a reward for Sybils to reveal themselves. The detective accepts from one i...
PKC
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. Direct anonymous attestation (DAA) is an anonymous authentication scheme adopted by the Trusted Computing Group in its specifications for trusted computing platforms. Th...
PKC
2007
Springer
14 years 2 months ago
2007
Springer
We present the first identity-based traitor tracing scheme. The scheme is shown to be secure in the standard model, assuming the bilinear decision Diffie-Hellman (DBDH) is hard in...
PKC
2007
Springer
14 years 2 months ago
2007
Springer
We present new and efficient key-recovery chosen-ciphertext attacks on NTRUencrypt. Our attacks are somewhat intermediate between chosen-ciphertext attacks on NTRUencrypt previousl...