Elliptic Curve Blind Signature Implementation

I have seen this prior post: Elliptic Curve based blind signature implementation

Currently I'm sizing up how difficult it would be to attain Elliptic Curve Blind signatures for an application I'm working on.

I did see this posting from @DrLecter which was very informative.

How difficult is it to implement an ECC Blind Signature Scheme? is there anything out there already to start with? What schemes are considered reputable and secure? I'm trying to determine if I need to start with a whitepaper, develop an algo and code.

An RSA scheme is probably not to useful for me due to signature sizes.

edited Apr 13, 2017 at 12:48

CommunityBot

asked Nov 23, 2015 at 3:23

Joshua Zeidner

595 bronze badges

$\begingroup$ You first need to find a secure scheme. I've seen ECC blind signature papers describing schemes that are clearly not secure. The lucre paper is relatively well known, so it have seen some analysis. $\endgroup$
– CodesInChaos
Nov 23, 2015 at 9:32
$\begingroup$ hello, Lucre is not based in ECC. that's an implementation of Chaum's blind sig concept. $\endgroup$
– Joshua Zeidner
Nov 23, 2015 at 17:30
$\begingroup$ If you look at anoncvs.aldigital.co.uk/lucre/theory2.pdf , it's clearly group based crypto, not RSA based crypto. AFAIK the main point of lucre was avoiding Chaum's (now expired) patents on RSA based blind signatures. $\endgroup$
– CodesInChaos
Nov 23, 2015 at 17:58
$\begingroup$ Related: A note on blind signature schemes - Matthew Green's blog $\endgroup$
– CodesInChaos
Nov 23, 2015 at 18:09
1

$\begingroup$ As a starting point, you can use the paper "Blind Signature Schemes Based on the Elliptic Curve Discrete Logarithm Problem" and start developing from there. $\endgroup$
– Raul Lucaciu
Nov 1, 2021 at 12:17

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