Coinbase's advanced cryptography library

Use the latest version of this library:

go get github.com/coinbase/kryptology

Pin a specific release of this library:

go get github.com/coinbase/[email protected]

Public documentations can be found at https://pkg.go.dev/github.com/coinbase/kryptology

To access the documentation of the local version, run godoc -http=:6060 and open the following url in your browser.

https://localhost:6060/pkg/github.com/coinbase/kryptology/

Prerequisites: golang 1.17, make

git clone [email protected]/coinbase/kryptology.git && make 

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.

• BLS12377
• BLS12381
• Ed25519
• Secp256k1
• P256
• Pallas

The generic protocol interface pkg/core/protocol/protocol.go. This abstraction is currently only used in DKLs18 implementation.

• Cryptographic Accumulators
• Bulletproof
• Oblivious Transfer
  • Verifiable Simplest OT
  • KOS OT Extension
• Threshold ECDSA Signature
  • DKLs18 - DKG and Signing
  • GG20 - DKG
  • GG20 - Signing
• Threshold Schnorr Signature
  • FROST threshold signature - DKG
  • FROST threshold signature - Signing
• Paillier encryption system
• Secret Sharing Schemes
  • Shamir's secret sharing scheme
  • Pedersen
  • Feldman
• 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

• [GG20] One Round Threshold ECDSA with Identifiable Abort.
• [specV5] One Round Threshold ECDSA for Coinbase.
• [EL20] Eliding RSA Group Membership Checks. src
• [P99] Public-Key Cryptosystems Based on Composite Degree Residuosity Classes.