977 search results - page 34 / 196 » Secret image sharing |
114
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INFOCOM
2011
IEEE
14 years 3 months ago
2011
IEEE
—Recently, there has been great interest in physical layer security techniques that exploit the randomness of wireless channels for securely extracting cryptographic keys. Severa...
114
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PKC
2009
Springer
16 years 11 days ago
2009
Springer
Abstract.We introduce the notion of distributed password-based publickey cryptography, where a virtual high-entropy private key is implicitly dened as a concatenation of low-entrop...
TIT
2008
14 years 11 months ago
2008
Abstract--In the bounded-storage model (BSM) for information-theoretic secure encryption and key agreement, one makes use of a random string R whose length t is greater than the as...
113
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KES
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. In parity assignment-based steganography for palette images, all colors in a host image are divided into two subsets, and each pixel is used to carry one secret bit. This...
ICMCS
2000
IEEE
15 years 4 months ago
2000
IEEE
In this paper, we analyze the security of Least Significant Bit (LSB) embedding for hiding messages in high-color-depth digital images. We introduce a powerful steganalytic techni...