1 files changed, 0 insertions, 123 deletions
diff --git a/avnet/avnet.go b/avnet/avnet.go
deleted file mode 100644
index e40759f..0000000
--- a/avnet/avnet.go
+++ /dev/null
@@ -1,123 +0,0 @@
-package avnet
-
-import (
-	"crypto/rand"
-	"crypto/sha256"
-	"encoding/base32"
-	"encoding/binary"
-	"fmt"
-	"io"
-
-	curve "filippo.io/edwards25519"
-)
-
-var b32 = base32.StdEncoding.WithPadding(base32.NoPadding)
-
-// A Schnorr signature to prove knowledge of x for given g^x and i.
-
-type Proof struct {
-	PointV  curve.Point
-	ScalarR curve.Scalar
-	I       uint64
-}
-
-type Commitment struct {
-	PubX   curve.Point
-	PubR   curve.Point
-	ProofX Proof
-	ProofR Proof
-}
-
-type Vote struct {
-	bit bool
-
-	privX curve.Scalar
-	privR curve.Scalar
-
-	Commitment
-}
-
-func newPriv(s *curve.Scalar, random io.Reader) error {
-	var buf [64]byte
-	if random == nil {
-		random = rand.Reader
-	}
-	random.Read(buf[:])
-	_, e := s.SetUniformBytes(buf[:])
-	return e
-}
-
-func setPub(p *curve.Scalar, P *curve.Point) *curve.Point {
-	return P.ScalarBaseMult(p)
-}
-
-// Generates the proof, aka Schnorr signature, for given priv and i.
-// Choosing a scalar v randomly, the signature consists of (V, r) with
-//
-//	V := g^v, with randomly chosen v
-//	 r := (v - x*h), with h := H(g, g^v, g^x, i), where i is given by the context.
-//
-// Verification of the signature is by comparing V =?= g^r * g^(x*h)
-func proof(pr *Proof, x *curve.Scalar, i uint64) error {
-	pr.I = i
-	var v curve.Scalar
-	e := newPriv(&v, nil)
-	if e != nil {
-		return e
-	}
-	setPub(&v, &pr.PointV)
-	gx := curve.Point{}
-	setPub(x, &gx)
-
-	// Calculate h := H(g, g^v, g^x, i)
-	h256 := sha256.New()
-	h256.Write(curve.NewGeneratorPoint().Bytes())
-	h256.Write(pr.PointV.Bytes())
-	h256.Write(gx.Bytes())
-	e = binary.Write(h256, binary.BigEndian, i)
-	if e != nil {
-		return e
-	}
-	// h := h256.Bytes()
-
-	// TODO: calculate r
-	return fmt.Errorf("proof not implemented")
-
-}
-
-func newVoteWithRand(bit bool, rand io.Reader) (vote *Vote, e error) {
-	vote = &Vote{
-		bit: bit,
-	}
-
-	e = newPriv(&vote.privX, rand)
-	if e != nil {
-		return nil, e
-	}
-	e = newPriv(&vote.privR, rand)
-	if e != nil {
-		return nil, e
-	}
-
-	setPub(&vote.privX, &vote.Commitment.PubX)
-	setPub(&vote.privR, &vote.Commitment.PubR)
-
-	return vote, nil
-}
-
-func NewVote(bit bool) (vote *Vote, e error) {
-	return newVoteWithRand(bit, nil)
-}
-
-func pubStr(p *curve.Point) string {
-	return b32.EncodeToString(p.Bytes())
-}
-
-func (c *Commitment) String() string {
-	return fmt.Sprintf(`{"PubX": "%s", "PubR": "%s"}`, pubStr(&c.PubX), pubStr(&c.PubR))
-}
-
-func (c *Commitment) MarshalJSON() ([]byte, error) {
-	s := c.String()
-	return []byte(s), nil
-}
-\ No newline at end of file