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**

pkg/crypto/mpc/utils.go

@@ -0,0 +1,107 @@
+package mpc
+
+import (
+	genericecdsa "crypto/ecdsa"
+	"fmt"
+	"math/big"
+
+	"github.com/cosmos/cosmos-sdk/types/bech32"
+	"github.com/onsonr/sonr/pkg/crypto/core/curves"
+	"github.com/onsonr/sonr/pkg/crypto/core/protocol"
+	"golang.org/x/crypto/sha3"
+)
+
+func ComputeIssuerDID(pk []byte) (string, string, error) {
+	addr, err := ComputeSonrAddr(pk)
+	if err != nil {
+		return "", "", err
+	}
+	return fmt.Sprintf("did:sonr:%s", addr), addr, nil
+}
+
+func ComputeSonrAddr(pk []byte) (string, error) {
+	sonrAddr, err := bech32.ConvertAndEncode("idx", pk)
+	if err != nil {
+		return "", err
+	}
+	return sonrAddr, nil
+}
+
+// For DKG bob starts first. For refresh and sign, Alice starts first.
+func runIteratedProtocol(firstParty protocol.Iterator, secondParty protocol.Iterator) (error, error) {
+	var (
+		message *protocol.Message
+		aErr    error
+		bErr    error
+	)
+
+	for aErr != protocol.ErrProtocolFinished || bErr != protocol.ErrProtocolFinished {
+		// Crank each protocol forward one iteration
+		message, bErr = firstParty.Next(message)
+		if bErr != nil && bErr != protocol.ErrProtocolFinished {
+			return nil, bErr
+		}
+
+		message, aErr = secondParty.Next(message)
+		if aErr != nil && aErr != protocol.ErrProtocolFinished {
+			return aErr, nil
+		}
+	}
+	return aErr, bErr
+}
+
+// ComputeEcPoint builds an elliptic curve point from a compressed byte slice
+func ComputeEcPoint(pubKey []byte) (*curves.EcPoint, error) {
+	crv := curves.K256()
+	x := new(big.Int).SetBytes(pubKey[1:33])
+	y := new(big.Int).SetBytes(pubKey[33:])
+	ecCurve, err := crv.ToEllipticCurve()
+	if err != nil {
+		return nil, fmt.Errorf("error converting curve: %v", err)
+	}
+	return &curves.EcPoint{X: x, Y: y, Curve: ecCurve}, nil
+}
+
+func ComputeEcdsaPublicKey(pubKey []byte) (*genericecdsa.PublicKey, error) {
+	pk, err := ComputeEcPoint(pubKey)
+	if err != nil {
+		return nil, err
+	}
+	return &genericecdsa.PublicKey{
+		Curve: pk.Curve,
+		X:     pk.X,
+		Y:     pk.Y,
+	}, nil
+}
+
+// VerifySignature verifies the signature of a message
+func VerifySignature(pk []byte, msg []byte, sig []byte) (bool, error) {
+	pp, err := ComputeEcPoint(pk)
+	if err != nil {
+		return false, err
+	}
+	sigEd, err := DeserializeSignature(sig)
+	if err != nil {
+		return false, err
+	}
+	hash := sha3.New256()
+	_, err = hash.Write(msg)
+	if err != nil {
+		return false, err
+	}
+	digest := hash.Sum(nil)
+	return curves.VerifyEcdsa(pp, digest[:], sigEd), nil
+}
+
+func checkIteratedErrors(aErr, bErr error) error {
+	if aErr == protocol.ErrProtocolFinished && bErr == protocol.ErrProtocolFinished {
+		return nil
+	}
+	if aErr != protocol.ErrProtocolFinished {
+		return aErr
+	}
+	if bErr != protocol.ErrProtocolFinished {
+		return bErr
+	}
+	return nil
+}