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A Platform for Robust Threshold Cryptography based on Asynchronous Publicly Verifiable Secret Sharing with Tunable Security

License: MIT License

Java 99.55% Shell 0.16% Python 0.29%
bft byzantine-fault-tolerance cryptography distributed-key-generation dkg ecies elgamal frost oprf prf proactive-security pross protocol schnorr-signatures secret-sharing shareholder threshold-cryptography threshold-signature tunable-security verifiable-secret-sharing

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protect's Issues

Add unit tests

Not all classes have unit tests, and some unit tests are failing.

Missing certificate generation script

Hi Jason,

I was following the tutorial and I got stuck when issuing client and server certificates. I could not find the following issue-server-certificates.sh, issue-client-certificates.sh scripts. Could you provide me with some instructions on how to create those by myself?

Thank you.

README Instructions?

Hi Jason,

Just came across this repo; what is the current state of the implementation and can the README be updated to reflect any possible instructions for running things?

Many thanks,
Josh

Cannot verify recovered signature

I used "com.ibm.pross.client.signing.RsaCertificateAuthorityClient" class to generate rsaSharing, store private key share on servers and sign message with "private BigInteger signMessage(final BigInteger toBeSigned)" method to get recoverd signature, but when I verified signature with SigningUtil.verifyDefault, it returned false.

Add rekeying

Consider adding during each epoch change, having each shareholder send a rekey message over the channel to migrate the public key(s) used by a shareholder (signed by the previous private key). -- preventing the next refresh from being compromised.

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