A privacy problem on Hu-Huang's proxy key generation protocol
Computer Standards & Interfaces
Secure Proxy Multi-signature Scheme in the Standard Model
ProvSec '08 Proceedings of the 2nd International Conference on Provable Security
Provably secure proxy-protected signature schemes based on RSA
Computers and Electrical Engineering
Proxy signatures secure against proxy key exposure
PKC'08 Proceedings of the Practice and theory in public key cryptography, 11th international conference on Public key cryptography
Enhanced short signature scheme with hybrid problems
Computers and Electrical Engineering
Strongly unforgeable proxy signature scheme secure in the standard model
Journal of Systems and Software
Forgeability attack of two DLP-base proxy blind signature schemes
ICSI'11 Proceedings of the Second international conference on Advances in swarm intelligence - Volume Part II
A short proxy signature scheme: efficient authentication in the ubiquitous world
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Linkability of a blind signature scheme and its improved scheme
ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part IV
Identity-based proxy signature from pairings
ATC'07 Proceedings of the 4th international conference on Autonomic and Trusted Computing
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In this paper, we propose a new pairing-based proxy signature. Most remarkable point in our proposal is that our scheme realizes short signature. More concretely, the explicit proxy signature consists of only one parameter. This means that the size of signature is reduced to at least halfsize compared to previous schemes. Amount of work for proxy signature generation is also small. Although some previous schemes such as Boneh-Lynn-Shacham or Hess, need a special hash function, our scheme does not require such a function. This means that our scheme can use general hash function, e.g., SHA-1. To construct our scheme, we propose a new problem named the (extended) k-plus problem. We also propose a short signature scheme which has satisfactory properties from the point of efficiency.