scholarly journals Reduction of the Intruder Deduction Problem into Equational Elementary Deduction for Electronic Purse Protocols with Blind Signatures

2010 ◽  
pp. 218-231 ◽  
Author(s):  
Daniele Nantes Sobrinho ◽  
Mauricio Ayala-Rincón
Keyword(s):  
Blind Signatures

An Electronic Cash System Based on Group Blind Signatures

Informatica ◽  
2006 ◽  
Vol 17 (4) ◽  
pp. 551-564 ◽  
Author(s):  
Constantin Popescu
Keyword(s):  
Electronic Cash ◽  
Blind Signatures

Publicly auditable conditional blind signatures

2021 ◽  
Vol 29 (2) ◽  
pp. 229-271
Author(s):  
Panagiotis Grontas ◽  
Aris Pagourtzis ◽  
Alexandros Zacharakis ◽  
Bingsheng Zhang
Keyword(s):  
Proof Of Concept ◽  
Equivalence Test ◽  
Zero Knowledge ◽  
Private Key ◽  
Blind Signatures ◽  
Cryptographic Primitive ◽  
Security Properties ◽  
Designated Verifier

This work formalizes Publicly Auditable Conditional Blind Signatures (PACBS), a new cryptographic primitive that allows the verifiable issuance of blind signatures, the validity of which is contingent upon a predicate and decided by a designated verifier. In particular, when a user requests the signing of a message, blinded to protect her privacy, the signer embeds data in the signature that makes it valid if and only if a condition holds. A verifier, identified by a private key, can check the signature and learn the value of the predicate. Auditability mechanisms in the form of non-interactive zero-knowledge proofs are provided, so that a cheating signer cannot issue arbitrary signatures and a cheating verifier cannot ignore the embedded condition. The security properties of this new primitive are defined using cryptographic games. A proof-of-concept construction, based on the Okamoto–Schnorr blind signatures infused with a plaintext equivalence test is presented and its security is analyzed.

Blind Signatures

2009 ◽  
pp. 251-252
Author(s):  
Barbara Carminati
Keyword(s):  
Blind Signatures

scholarly journals Concurrently-Secure Blind Signatures Without Random Oracles or Setup Assumptions

2007 ◽  
pp. 323-341 ◽  
Author(s):  
Carmit Hazay ◽  
Jonathan Katz ◽  
Chiu-Yuen Koo ◽  
Yehuda Lindell
Keyword(s):  
Blind Signatures ◽  
Random Oracles

Blind Signatures Based Secured E-Healthcare System

2018 ◽  
Author(s):  
Jayneel Vora ◽  
Parth DevMurari ◽  
Sudeep Tanwar ◽  
Sudhanshu Tyagi ◽  
Neeraj Kumar ◽  
...  
Keyword(s):  
Healthcare System ◽  
Blind Signatures
Sign in / Sign up

Export Citation Format

Share Document