for r, dont use bigint but hex string

2022-11-02 23:43:37 +01:00
parent 970748216f
commit ff724bf744
2 changed files with 13 additions and 5 deletions
@@ -21,14 +21,16 @@ async function hashToCurve(secretMessage) {

 async function step1Alice(secretMessage) {
  const Y = await hashToCurve(secretMessage)
-  const r = bytesToNumber(nobleSecp256k1.utils.randomPrivateKey())
+  const rpk = nobleSecp256k1.utils.randomPrivateKey()
+  const r = bytesToNumber(rpk)
  const P = nobleSecp256k1.Point.fromPrivateKey(r)
  const B_ = Y.add(P)
-  return {B_: B_.toHex(true), r}
+  return {B_: B_.toHex(true), r: nobleSecp256k1.utils.bytesToHex(rpk)}
 }

 function step3Alice(C_, r, A) {
-  const rInt = BigInt(r)
+  // const rInt = BigInt(r)
+  const rInt = bytesToNumber(r)
  const C = C_.subtract(A.multiply(rInt))
  return C
 }