generate 64 character hex string

cashubtc · Nov 29, 2023 · a84cc18 · a84cc18
1 parent 83b1693
commit a84cc18
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/src/CashuWallet.ts b/src/CashuWallet.ts
@@ -30,6 +30,7 @@ import {
 	getDefaultAmountPreference,
 	splitAmount
 } from './utils.js';
+import { bytesToHex } from '@noble/curves/abstract/utils';
 
 /**
  * Class that represents a Cashu wallet.
@@ -424,7 +425,7 @@ class CashuWallet {
 		const rs: Array<bigint> = [];
 		const amounts = splitAmount(amount, amountPreference);
 		for (let i = 0; i < amounts.length; i++) {
-			const secret = randomBytes(32);
+			const secret = new TextEncoder().encode(bytesToHex(randomBytes(32)));
 			secrets.push(secret);
 			const { B_, r } = dhke.blindMessage(secret);
 			rs.push(r);
@@ -446,7 +447,7 @@ class CashuWallet {
 		const rs: Array<bigint> = [];
 		const count = Math.ceil(Math.log2(feeReserve)) || 1;
 		for (let i = 0; i < count; i++) {
-			const secret = randomBytes(32);
+			const secret = new TextEncoder().encode(bytesToHex(randomBytes(32)));
 			secrets.push(secret);
 			const { B_, r } = dhke.blindMessage(secret);
 			rs.push(r);

diff --git a/src/DHKE.ts b/src/DHKE.ts
@@ -26,7 +26,7 @@ export function pointFromHex(hex: string) {
 	return secp256k1.ProjectivePoint.fromAffine(h2c.toAffine());
 } */
 function blindMessage(secret: Uint8Array, r?: bigint): { B_: ProjPointType<bigint>; r: bigint } {
-	const secretMessage = new TextEncoder().encode(bytesToHex(secret));
+	const secretMessage = new TextEncoder().encode(new TextDecoder().decode(secret));
 	const Y = hashToCurve(secretMessage);
 	if (!r) {
 		r = bytesToNumber(secp256k1.utils.randomPrivateKey());
@@ -55,7 +55,7 @@ function constructProofs(
 		const C_ = pointFromHex(p.C_);
 		const A = pointFromHex(keyset.keys[p.amount]);
 		const C = unblindSignature(C_, rs[i], A);
-		const secret = bytesToHex(secrets[i])
+		const secret = new TextDecoder().decode(secrets[i])
 		const proof = {
 			id: p.id,
 			amount: p.amount,