sonr/crypto/dkg/gennaro/round1.go

80 lines
2.2 KiB
Go
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feature/1114 implement account interface (#1167) - **refactor: move session-related code to middleware package** - **refactor: update PKL build process and adjust related configurations** - **feat: integrate base.cosmos.v1 Genesis module** - **refactor: pass session context to modal rendering functions** - **refactor: move nebula package to app directory and update templ version** - **refactor: Move home section video view to dedicated directory** - **refactor: remove unused views file** - **refactor: move styles and UI components to global scope** - **refactor: Rename images.go to cdn.go** - **feat: Add Empty State Illustrations** - **refactor: Consolidate Vault Index Logic** - **fix: References to App.wasm and remove Vault Directory embedded CDN files** - **refactor: Move CDN types to Models** - **fix: Correct line numbers in templ error messages for arch_templ.go** - **refactor: use common types for peer roles** - **refactor: move common types and ORM to a shared package** - **fix: Config import dwn** - **refactor: move nebula directory to app** - **feat: Rebuild nebula** - **fix: correct file paths in panels templates** - **feat: Remove duplicate types** - **refactor: Move dwn to pkg/core** - **refactor: Binary Structure** - **feat: Introduce Crypto Pkg** - **fix: Broken Process Start** - **feat: Update pkg/* structure** - **feat: Refactor PKL Structure** - **build: update pkl build process** - **chore: Remove Empty Files** - **refactor: remove unused macaroon package** - **feat: Add WebAwesome Components** - **refactor: consolidate build and generation tasks into a single taskfile, remove redundant makefile targets** - **refactor: refactor server and move components to pkg/core/dwn** - **build: update go modules** - **refactor: move gateway logic into dedicated hway command** - **feat: Add KSS (Krawczyk-Song-Song) MPC cryptography module** - **feat: Implement MPC-based JWT signing and UCAN token generation** - **feat: add support for MPC-based JWT signing** - **feat: Implement MPC-based UCAN capabilities for smart accounts** - **feat: add address field to keyshareSource** - **feat: Add comprehensive MPC test suite for keyshares, UCAN tokens, and token attenuations** - **refactor: improve MPC keyshare management and signing process** - **feat: enhance MPC capability hierarchy documentation** - **refactor: rename GenerateKeyshares function to NewKeyshareSource for clarity** - **refactor: remove unused Ethereum address computation** - **feat: Add HasHandle and IsAuthenticated methods to HTTPContext** - **refactor: Add context.Context support to session HTTPContext** - **refactor: Resolve context interface conflicts in HTTPContext** - **feat: Add session ID context key and helper functions** - **feat: Update WebApp Page Rendering** - **refactor: Simplify context management by using single HTTPContext key** - **refactor: Simplify HTTPContext creation and context management in session middleware** - **refactor: refactor session middleware to use a single data structure** - **refactor: Simplify HTTPContext implementation and session data handling** - **refactor: Improve session context handling and prevent nil pointer errors** - **refactor: Improve session context handling with nil safety and type support** - **refactor: improve session data injection** - **feat: add full-screen modal component and update registration flow** - **chore: add .air.toml to .gitignore** - **feat: add Air to devbox and update dependencies**
2024-11-23 01:28:58 -05:00
//
// Copyright Coinbase, Inc. All Rights Reserved.
//
// SPDX-License-Identifier: Apache-2.0
//
package gennaro
import (
"fmt"
"math/big"
"github.com/onsonr/sonr/crypto/core"
"github.com/onsonr/sonr/crypto/internal"
v1 "github.com/onsonr/sonr/crypto/sharing/v1"
feature/1114 implement account interface (#1167) - **refactor: move session-related code to middleware package** - **refactor: update PKL build process and adjust related configurations** - **feat: integrate base.cosmos.v1 Genesis module** - **refactor: pass session context to modal rendering functions** - **refactor: move nebula package to app directory and update templ version** - **refactor: Move home section video view to dedicated directory** - **refactor: remove unused views file** - **refactor: move styles and UI components to global scope** - **refactor: Rename images.go to cdn.go** - **feat: Add Empty State Illustrations** - **refactor: Consolidate Vault Index Logic** - **fix: References to App.wasm and remove Vault Directory embedded CDN files** - **refactor: Move CDN types to Models** - **fix: Correct line numbers in templ error messages for arch_templ.go** - **refactor: use common types for peer roles** - **refactor: move common types and ORM to a shared package** - **fix: Config import dwn** - **refactor: move nebula directory to app** - **feat: Rebuild nebula** - **fix: correct file paths in panels templates** - **feat: Remove duplicate types** - **refactor: Move dwn to pkg/core** - **refactor: Binary Structure** - **feat: Introduce Crypto Pkg** - **fix: Broken Process Start** - **feat: Update pkg/* structure** - **feat: Refactor PKL Structure** - **build: update pkl build process** - **chore: Remove Empty Files** - **refactor: remove unused macaroon package** - **feat: Add WebAwesome Components** - **refactor: consolidate build and generation tasks into a single taskfile, remove redundant makefile targets** - **refactor: refactor server and move components to pkg/core/dwn** - **build: update go modules** - **refactor: move gateway logic into dedicated hway command** - **feat: Add KSS (Krawczyk-Song-Song) MPC cryptography module** - **feat: Implement MPC-based JWT signing and UCAN token generation** - **feat: add support for MPC-based JWT signing** - **feat: Implement MPC-based UCAN capabilities for smart accounts** - **feat: add address field to keyshareSource** - **feat: Add comprehensive MPC test suite for keyshares, UCAN tokens, and token attenuations** - **refactor: improve MPC keyshare management and signing process** - **feat: enhance MPC capability hierarchy documentation** - **refactor: rename GenerateKeyshares function to NewKeyshareSource for clarity** - **refactor: remove unused Ethereum address computation** - **feat: Add HasHandle and IsAuthenticated methods to HTTPContext** - **refactor: Add context.Context support to session HTTPContext** - **refactor: Resolve context interface conflicts in HTTPContext** - **feat: Add session ID context key and helper functions** - **feat: Update WebApp Page Rendering** - **refactor: Simplify context management by using single HTTPContext key** - **refactor: Simplify HTTPContext creation and context management in session middleware** - **refactor: refactor session middleware to use a single data structure** - **refactor: Simplify HTTPContext implementation and session data handling** - **refactor: Improve session context handling and prevent nil pointer errors** - **refactor: Improve session context handling with nil safety and type support** - **refactor: improve session data injection** - **feat: add full-screen modal component and update registration flow** - **chore: add .air.toml to .gitignore** - **feat: add Air to devbox and update dependencies**
2024-11-23 01:28:58 -05:00
)
// Round1Bcast are the values that are broadcast to all other participants
// after round1 completes
type Round1Bcast = []*v1.ShareVerifier
// Round1P2PSend are the values that are sent to individual participants based
// on the id
type Round1P2PSend = map[uint32]*Round1P2PSendPacket
// Round1P2PSendPacket are the shares generated from the secret for a specific participant
type Round1P2PSendPacket struct {
SecretShare *v1.ShamirShare
BlindingShare *v1.ShamirShare
}
// Round1 computes the first round for the DKG
// `secret` can be nil
// NOTE: if `secret` is nil, a new secret is generated which creates a new key
// if `secret` is set, then this performs key resharing aka proactive secret sharing update
func (dp *Participant) Round1(secret []byte) (Round1Bcast, Round1P2PSend, error) {
if dp.round != 1 {
return nil, nil, internal.ErrInvalidRound
}
if secret == nil {
// 1. x $← Zq
s, err := dp.scalar.Random()
if err != nil {
return nil, nil, err
}
secret = s.Bytes()
} else {
s := new(big.Int).SetBytes(secret)
if !dp.scalar.IsValid(s) {
return nil, nil, fmt.Errorf("invalid secret value")
}
if s.Cmp(core.Zero) == 0 {
return nil, nil, internal.ErrZeroValue
}
}
var err error
// 2. {X1,...,Xt},{R1,...,Rt},{x1,...,xn},{r1,...,rn}= PedersenFeldmanShare(E,Q,x,t,{p1,...,pn})
dp.pedersenResult, err = dp.pedersen.Split(secret)
if err != nil {
return nil, nil, err
}
// 4. P2PSend x_j,r_j to participant p_j in {p_1,...,p_n}_{i != j}
p2pSend := make(Round1P2PSend, len(dp.otherParticipantShares))
for id := range dp.otherParticipantShares {
p2pSend[id] = &Round1P2PSendPacket{
SecretShare: dp.pedersenResult.SecretShares[id-1],
BlindingShare: dp.pedersenResult.BlindingShares[id-1],
}
}
// Update internal state
dp.round = 2
// 3. EchoBroadcast {X_1,...,X_t} to all other participants.
return dp.pedersenResult.BlindedVerifiers, p2pSend, nil
}