mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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97 lines
4.0 KiB
Markdown
97 lines
4.0 KiB
Markdown
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# Nekryptology
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Coinbase's advanced cryptography library, brought back from the dead and enhanced
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## Differences from Kryptology
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- Schnorr proofs are patched to use hash-to-curve, fixes a bug where depending on the curve there may be a small to very large percentage of proofs that are invalid encodings
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- Supports BLS48-581 (uses MIRACL-generated implementation, slightly altered to align to curves.Scalar/curves.Point interfaces)
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- Enhanced KOS15 implementation to support arbitrary computational and statistical security parameters
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- Updated DKLs18 multiplication to use KOS15 enhancements
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- OT-based t-of-n multiplication scheme (borrowed from DKLs19)
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- Supports <=2048-bit IQC primitives (uses harmony-one's implementation, slightly adjusted to fix vulnerabilities in FS transform)
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- Added Wesolowski VDF
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- GG20 is removed
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## Quickstart
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Use the latest version of this library:
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```
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go get source.quilibrium.com/quilibrium/monorepo/nekryptology
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```
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## Documentation
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Public documentations can be found at https://pkg.go.dev/source.quilibrium.com/quilibrium/monorepo/nekryptology
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To access the documentation of the local version, run `godoc -http=:6060` and open
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the following url in your browser.
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http://localhost:6060/pkg/source.quilibrium.com/quilibrium/monorepo/nekryptology/
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## Developer Setup
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**Prerequisites**: `golang 1.18`, `make`
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```
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git clone git@source.quilibrium.com/quilibrium/monorepo/nekryptology.git && make
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```
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## Components
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The following is the list of primitives and protocols that are implemented in this repository.
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### Curves
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The curve abstraction code can be found at [pkg/core/curves/curve.go](pkg/core/curves/curve.go)
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The curves that implement this abstraction are as follows.
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- [BLS12377](pkg/core/curves/bls12377_curve.go)
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- [BLS12381](pkg/core/curves/bls12381_curve.go)
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- [BLS48581](pkg/core/curves/bls48581_curve.go)
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- [Ed25519](pkg/core/curves/ed25519_curve.go)
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- [Secp256k1](pkg/core/curves/k256_curve.go)
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- [P256](pkg/core/curves/p256_curve.go)
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- [Pallas](pkg/core/curves/pallas_curve.go)
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### IQC
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The IQC abstraction code can be found at [pkg/core/iqc/classgroup.go](pkg/core/iqc/classgroup.go).
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### Protocols
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The generic protocol interface [pkg/core/protocol/protocol.go](pkg/core/protocol/protocol.go).
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- [Cryptographic Accumulators](pkg/accumulator)
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- [Bulletproof](pkg/bulletproof)
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- Oblivious Transfer
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- [Verifiable Simplest OT](pkg/ot/base/simplest)
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- [KOS OT Extension](pkg/ot/extension/kos)
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- Threshold ECDSA Signature
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- [DKLs18 - DKG and Signing](pkg/tecdsa/dkls/v1)
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- GG20: The authors of GG20 have stated that the protocol is obsolete and should not be used. See [https://eprint.iacr.org/2020/540.pdf](https://eprint.iacr.org/2020/540.pdf).
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- [GG20 - DKG](pkg/dkg/gennaro)
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- [GG20 - Signing](pkg/tecdsa/gg20)
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- Threshold Schnorr Signature
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- [FROST threshold signature - DKG](pkg/dkg/frost)
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- [FROST threshold signature - Signing](pkg/ted25519/frost)
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- [Paillier encryption system](pkg/paillier)
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- Secret Sharing Schemes
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- [Shamir's secret sharing scheme](pkg/sharing/shamir.go)
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- [Pedersen](pkg/sharing/pedersen.go)
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- [Feldman](pkg/sharing/feldman.go)
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- [Verifiable encryption](pkg/verenc)
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- [ZKP Schnorr](pkg/zkp/schnorr)
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## Contributing
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- [Versioning](https://blog.golang.org/publishing-go-modules): `vMajor.Minor.Patch`
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- Major revision indicates breaking API change or significant new features
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- Minor revision indicates no API breaking changes and may include significant new features or documentation
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- Patch indicates no API breaking changes and may include only fixes
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## [References](docs/)
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- [[GG20] _One Round Threshold ECDSA with Identifiable Abort._](https://eprint.iacr.org/2020/540.pdf)
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- [[specV5] _One Round Threshold ECDSA for Coinbase._](docs/Coinbase_Pseudocode_v5.pdf)
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- [[EL20] _Eliding RSA Group Membership Checks._](docs/rsa-membership.pdf) [src](https://www.overleaf.com/project/5f9c3b0624a9a600012037a3)
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- [[P99] _Public-Key Cryptosystems Based on Composite Degree Residuosity Classes._](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.112.4035&rep=rep1&type=pdf)
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