204 search results - page 30 / 41 » On Provably Secure Time-Stamping Schemes |
ASIACRYPT
2003
Springer
14 years 1 months ago
2003
Springer
This paper investigates some modular powering functions suitable for cryptography. It is well known that the Rabin encryption function is a 4-to-1 mapping and breaking its one-wayn...
CCS
2001
ACM
14 years 10 days ago
2001
ACM
Many encryption systems require the user to memorize high entropy passwords or passphrases and reproduce them exactly. This is often a difficult task. We propose a more fault-tole...
AC
1997
Springer
14 years 2 hour 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...
CORR
2010
Springer
13 years 8 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...
ICISC
2004
13 years 9 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 ...