48 search results - page 10 / 10 » Image based steganography and cryptography |
HIP
2005
Springer
14 years 1 months ago
2005
Springer
Human interaction proofs (HIPs) have become common place on the internet due to their effectiveness in deterring automated abuse of online services intended for humans. However, th...
EUROCRYPT
2005
Springer
14 years 1 months ago
2005
Springer
We revisit the following question: what are the minimal assumptions needed to construct statistically-hiding commitment schemes? Naor et al. show how to construct such schemes bas...
MM
2004
ACM
14 years 1 months ago
2004
ACM
Security of multimedia files attracts more and more attention and many encryption methods have been proposed in literature. However most cryptographic systems deal with multimedia...