Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
The results are in! See what nearly 90,000 developers picked as their most loved, dreaded, and desired coding languages and more in the 2019 Developer Survey.

Questions tagged [ecdsa]

The tag has no usage guidance.

1
vote
0answers
40 views

CA signature Algorithm: sha256WithRSAEncryption or ecdsa-with-SHA256

I need to update a CA that is about to expire, currently is using Signature Algorithm 256WithRSAEncryption and I am thinking in using ecdsa-with-SHA256 with something like: openssl req -x509 -nodes -...
3
votes
1answer
155 views

Is it possible to fake ECDSA signatures?

Recently, I came across a reddit post claiming it was easy to mutate bitcoin signatures to generate message/signature pairs. https://www.reddit.com/r/btc/comments/9xpivk/...
1
vote
3answers
234 views

Recommended asymmetric algorithms for JWT?

I'm implementing JWT authentication for a new web service and am unsure which asymmetric algorithm to choose. I've searched around and haven't found any consensus or clear recommendations. According ...
0
votes
1answer
907 views

why does ssh prompt with the ECDSA key instead of RSA [closed]

When I use an Ubuntu from linode ssh-keygen -l defaults to looking for an RSA file to "list". Yet ssh issued from a client asks for verification of the remote linode's ECDSA key. This means that ...