204 search results - page 30 / 41 » Provably Secure Metering Scheme |
CORR
2010
Springer
13 years 7 months ago
2010
Springer
In Ciphertext Policy Attribute based Encryption scheme, the encryptor can fix the policy, who can decrypt the encrypted message. The policy can be formed with the help of attribut...
AC
1997
Springer
13 years 11 months ago
1997
Springer
This paper describes the state of the art for cryptographic primitives that are used for protecting the authenticity of information: cryptographic hash functions and digital signat...
ICISC
2004
13 years 8 months ago
2004
In threshold ring signature schemes, any group of t entities spontaneously conscript arbitrarily n - t entities to generate a publicly verifiable t-out-of-n signature on behalf of ...
TCC
2010
Springer
14 years 4 months ago
2010
Springer
The strongest standard security notion for digital signature schemes is unforgeability under chosen message attacks. In practice, however, this notion can be insufficient due to â€...
ICDCS
2007
IEEE
14 years 1 months ago
2007
IEEE
An electronic cash system allows users to withdraw coins, represented as bit strings, from a bank or broker, and spend those coins anonymously at participating merchants, so that ...