Coinbase's advanced cryptography library, brought back from the dead and enhanced, forked from kryptology and ceremonyclient/nekryptology
- 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
- Supports BLS48-581 (uses MIRACL-generated implementation, slightly altered to align to curves.Scalar/curves.Point interfaces)
- Enhanced KOS15 implementation to support arbitrary computational and statistical security parameters
- Updated DKLs18 multiplication to use KOS15 enhancements
- OT-based t-of-n multiplication scheme (borrowed from DKLs19)
- Supports <=2048-bit IQC primitives (uses harmony-one's implementation, slightly adjusted to fix vulnerabilities in FS transform)
- Added Wesolowski VDF
- GG20 is removed
The following is the list of primitives and protocols that are implemented in this repository.
The curve abstraction code can be found at pkg/core/curves/curve.go
The curves that implement this abstraction are as follows.
The IQC abstraction code can be found at pkg/core/iqc/classgroup.go.
The generic protocol interface pkg/core/protocol/protocol.go.
- Cryptographic Accumulators
- Bulletproof
- Oblivious Transfer
- Threshold ECDSA Signature
- DKLs18 - DKG and Signing
- GG20: The authors of GG20 have stated that the protocol is obsolete and should not be used.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.
- Threshold Schnorr Signature
- Paillier encryption system
- Secret Sharing Schemes
- Verifiable encryption
- ZKP Schnorr
- Versioning:
vMajor.Minor.Patch- Major revision indicates breaking API change or significant new features
- Minor revision indicates no API breaking changes and may include significant new features or documentation
- Patch indicates no API breaking changes and may include only fixes