70 search results - page 5 / 14 » An Improved Security Bound for HCTR |
FSE
2007
Springer
14 years 1 months ago
2007
Springer
We provide new security proofs for PMAC, TMAC, and XCBC message authentication modes. The previous security bounds for these modes were σ2 /2n , where n is the block size in bits ...
EUROCRYPT
2001
Springer
13 years 12 months ago
2001
Springer
Abstract. We present a new algorithm for upper bounding the maximum average linear hull probability for SPNs, a value required to determine provable security against linear cryptan...
CTRSA
2007
Springer
14 years 1 months ago
2007
Springer
We mathematically explore a model for the shortness and security for passwords that are stored in hashed form. The model is implicitly in the NIST publication [8] and is based on c...
FSTTCS
2009
Springer
14 years 1 months ago
2009
Springer
ABSTRACT. A non-local box is an abstract device into which Alice and Bob input bits x and y respectively and receive outputs a and b respectively, where a, b are uniformly distribu...
ICALP
2005
Springer
14 years 27 days ago
2005
Springer
Abstract. We investigate a general paradigm for constructing arbitraryinput-length (AIL) MACs from fixed-input-length (FIL) MACs, define the waste as the relevant efficiency para...