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Short Signatures from the Weil Pairing

TLDR
A short signature scheme based on the Computational Diffie-Hellman assumption on certain elliptic and hyperelliptic curves is introduced, designed for systems where signatures are typed in by a human or signatures are sent over a low-bandwidth channel.
Abstract
We introduce a short signature scheme based on the Computational Diffie-Hellman assumption on certain elliptic and hyperelliptic curves. The signature length is half the size of a DSA signature for a similar level of security. Our short signature scheme is designed for systems where signatures are typed in by a human or signatures are sent over a low-bandwidth channel.

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Citations
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Journal ArticleDOI

Provably secure server-aided verification signatures

TL;DR: For the first time, security models for capturing (strong) collusion attacks are formally defined, and two novel existentially unforgeable server-aided verification signature schemes are proposed that are secure against such attacks.
Journal ArticleDOI

Full integrity and freshness for cloud data

TL;DR: This paper integrates proof of storage technique with data dynamics support into cryptographic storage design to provide full integrity for outsourced data and provides instantaneously freshness check for retrieved data to defend against potential replay attacks.
Posted Content

Security-Focused Survey on Group Key Exchange Protocols

TL;DR: In this article, a large number of currently known group key exchange protocols are discussed, focusing on the protocols designed for more than three participants, and the current state of security based on the original analysis is discussed.
Journal ArticleDOI

Public audit for operation behavior logs with error locating in cloud storage

TL;DR: This paper proposes a new block-based logging method to satisfy all necessary requirements for security and performance, and presents a privacy-preserving public auditing method for a single log block, which can support an unlimited number of effective auditing operations.
Proceedings ArticleDOI

Robust ID-based threshold signcryption scheme from pairings

TL;DR: This paper will use the threshold technology to devise a secure ID-based signcryption scheme that can achieve high security and resist some malicious attacks under a certain threshold.
References
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Book

Handbook of Applied Cryptography

TL;DR: A valuable reference for the novice as well as for the expert who needs a wider scope of coverage within the area of cryptography, this book provides easy and rapid access of information and includes more than 200 algorithms and protocols.
Proceedings ArticleDOI

Random oracles are practical: a paradigm for designing efficient protocols

TL;DR: It is argued that the random oracles model—where all parties have access to a public random oracle—provides a bridge between cryptographic theory and cryptographic practice, and yields protocols much more efficient than standard ones while retaining many of the advantages of provable security.
Journal ArticleDOI

Identity-Based Encryption from the Weil Pairing

TL;DR: This work proposes a fully functional identity-based encryption (IBE) scheme based on bilinear maps between groups and gives precise definitions for secure IBE schemes and gives several applications for such systems.
Book

The Arithmetic of Elliptic Curves

TL;DR: It is shown here how Elliptic Curves over Finite Fields, Local Fields, and Global Fields affect the geometry of the elliptic curves.
Journal ArticleDOI

A digital signature scheme secure against adaptive chosen-message attacks

TL;DR: A digital signature scheme based on the computational difficulty of integer factorization possesses the novel property of being robust against an adaptive chosen-message attack: an adversary who receives signatures for messages of his choice cannot later forge the signature of even a single additional message.