226
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CRYPTO
15 years 6 months ago
2004 Springer 
In the bare public-key model (BPK in short), each verifier is assumed to have deposited a public key in a file that is accessible by all users at all times. In this model, intro...
173
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ASIACRYPT
15 years 6 months ago
2004 Springer 
We propose a public-key traitor tracing scheme in which (1) the size of a ciphertext is sublinear in the number of receivers and (2) black-box tracing is efficiently achieved again...
163
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CAU
15 years 2 months ago
2004 
Protecting data is not simply a case of encrypt and forget: even data with full cryptographic confidentiality and integrity protection can still be subject to information leakage. ...
163
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TCC
15 years 6 months ago
2004 Springer 
Abstract. We investigate whether it is possible to obtain any meaningful type of zero-knowledge proofs using a one-message (i.e., noninteractive) proof system. We show that, under ...
150
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ASIACRYPT
15 years 5 months ago
2004 Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
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Cryptology