985 search results - page 59 / 197 » On the validity of digital signatures |
162
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AMC
2005
15 years 6 months ago
2005
A convertible authenticated encryption scheme allows a designated receiver to recover and verify a message simultaneously, during which the recipient can prove the dishonesty of t...
142
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PICS
2001
15 years 7 months ago
2001
The modulation transfer function (MTF) has long been used as a diagnostic tool for analog image capture, by tracking frequency response caused by aperture, field position, or defo...
178
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GLOBECOM
2006
IEEE
16 years 6 days ago
2006
IEEE
- In recent years, many quantum cryptographic schemes have been proposed. However, it seems that there are many technical difficulties to realize them (except Quantum Key Distribut...
166
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VTS
2002
IEEE
15 years 11 months ago
2002
IEEE
Single-bit second-order delta-sigma modulators are commonly used in high-resolution ADCs. Testing this type of modulator requires a high-resolution test stimulus, which is diffic...
171
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ICIP
2004
IEEE
16 years 7 months ago
2004
IEEE
The industry is currently starting to use MPEG-4 compressed digital video for surveillance applications. The transition from analog to digital video raises difficulties for using ...