1769 search results - page 157 / 354 » Cryptography |
132
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ICIP
2001
IEEE
16 years 5 months ago
2001
IEEE
Given a color image that was quantized in some hidden color space (termed compression color space) during previous JPEG compression, we aim to estimate this unknown compression co...
130
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EUROCRYPT
2009
Springer
16 years 4 months ago
2009
Springer
We provide a collision attack and preimage attacks on the MDC-2 construction, which is a method (dating back to 1988) of turning an n-bit block cipher into a 2n-bit hash function. ...
124
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EUROCRYPT
2009
Springer
16 years 4 months ago
2009
Springer
The existence of encryption and commitment schemes secure under selective opening attack (SOA) has remained open despite considerable interest and attention. We provide the rst pub...
147
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CHES
2009
Springer
16 years 4 months ago
2009
Springer
We have devised a frequency injection attack which is able to destroy the source of entropy in ring-oscillator-based true random number generators (TRNGs). A TRNG will lock to freq...
130
Voted
CHES
2009
Springer
16 years 4 months ago
2009
Springer
We present a bitsliced implementation of AES encryption in counter mode for 64-bit Intel processors. Running at 7.59 cycles/byte on a Core 2, it is up to 25% faster than previous i...