CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
Three attacks on the DES with a reduced number of rounds in the Cipher Feedback Mode (CFB) are studied, namely a meet in the middle attack, a differential attack, and a linear att...
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
Constructions for hash functions based on a block cipher are studied where the size of the hashcode is equal to the block length of the block cipher and where the key size is appro...
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
A broadcast encryption scheme allows the sender to securely distribute data to a dynamically changing set of users over an insecure channel. One of the most challenging settings fo...
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
We show how the electronic cash scheme in [Fer93a] can be extended to provide n-spendable coins. Furthermore, we show how observers can be incorporated in the protocols to provide...
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
Large classes of weak keys have been found for the block cipher algorithm IDEA, previously known as IPES [2]. IDEA has a 128bit key and encrypts blocks of 64 bits. For a class of 2...
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
Cryptographic techniques have been used intensively in the past to show how to play multiparty games in an adversarial scenario. We now investigate the cryptographic power of a dec...
CRYPTO
1993
Springer
14 years 3 months ago
1993
Springer
Three modular reduction algorithms for large integers are compared with respect to their performance in portable software: the classical algorithm, Barrett’s algorithm and Montgo...