https://github.com/dalek-cryptography/doppio

Embedded curve over the Ristretto255 scalar field, for use in Bulletproofs
https://github.com/dalek-cryptography/doppio

Last synced: 3 months ago
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Embedded curve over the Ristretto255 scalar field, for use in Bulletproofs

• Host: GitHub
• URL: https://github.com/dalek-cryptography/doppio
• Owner: dalek-cryptography
• License: bsd-3-clause
• Created: 2019-04-08T18:33:47.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2019-06-22T08:32:28.000Z (almost 7 years ago)
• Last Synced: 2025-07-30T14:23:03.893Z (11 months ago)
• Language: JavaScript
• Size: 115 KB
• Stars: 17
• Watchers: 4
• Forks: 4
• Open Issues: 8
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# doppio

Work-in-progress repo for an embedded curve over the ristretto255 scalar field, for use in Bulletproofs.

Sean Bowe previously suggested an alternate curve (cf https://twitter.com/ebfull/status/1087571257057406976), but for the reasons described in the notes we prefer a slightly different set of parameters.

# Goals

Eventually, this repo aims to construct "doppio", a parameterization of Ristretto that can be implemented using an embedded curve defined over the scalar field of the ristretto255 group.  This provides a prime-order group that can be efficiently implemented inside a Bulletproof.