985 search results - page 55 / 197 » On the validity of digital signatures |
ICIP
2002
IEEE
14 years 10 months ago
2002
IEEE
With the large and increasing amount of visual information available in digital libraries and the Web, efficient and robust systems for image retrieval are urgently needed. In thi...
ICDAR
2003
IEEE
14 years 2 months ago
2003
IEEE
This paper proposes a new hybrid handwritten signature verification system where the on-line reference data acquired through a digitizing tablet serves as the basis for the segmen...
IJACT
2008
13 years 9 months ago
2008
: In Crypto 1997, Goldreich, Goldwasser and Halevi (GGH) proposed a lattice analogue of McEliece public key cryptosystem, in which security is related to the hardness of approximat...
HICSS
2007
IEEE
14 years 3 months ago
2007
IEEE
The ability to detect fragments of deleted image files and to reconstruct these image files from all available fragments on disk is an important activity in the field of digital f...
ICNS
2009
IEEE
14 years 3 months ago
2009
IEEE
—The majority of security protocols employ public key cryptography for authentication at least in the connection setup phase. However, verifying digital signatures is an expensiv...