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fix: use async ed25519 functions (signAsync, getPublicKeyAsync)

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The sync ed25519 functions (sign, getPublicKey) require hashes.sha512,
but WebCrypto only provides async digest. Switch to using the async
ed25519 API which works with hashes.sha512Async.

This fixes the "hashes.sha512 not set" error.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Bas van den Aakster
2025-12-05 19:19:05 +01:00
parent 63e14ddc5b
commit b2d42fa776
2 changed files with 5 additions and 4 deletions
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7
src/usernames.ts
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@@ -1,7 +1,8 @@
import * as ed25519 from '@noble/ed25519';
// Set SHA-512 hash function for ed25519 (required in @noble/ed25519 v3+)
// Uses built-in WebCrypto API
// Uses built-in WebCrypto API which only provides async digest
// We use the async ed25519 functions (signAsync, verifyAsync, getPublicKeyAsync)
ed25519.hashes.sha512Async = async (message: Uint8Array) => {
return new Uint8Array(await crypto.subtle.digest('SHA-512', message as BufferSource));
};
@@ -58,7 +59,7 @@ export class RondevuUsername {
*/
async generateKeypair(): Promise<{ publicKey: string; privateKey: string }> {
const privateKey = ed25519.utils.randomSecretKey();
const publicKey = await ed25519.getPublicKey(privateKey);
const publicKey = await ed25519.getPublicKeyAsync(privateKey);
return {
publicKey: bytesToBase64(publicKey),
@@ -74,7 +75,7 @@ export class RondevuUsername {
const encoder = new TextEncoder();
const messageBytes = encoder.encode(message);
const signature = await ed25519.sign(messageBytes, privateKey);
const signature = await ed25519.signAsync(messageBytes, privateKey);
return bytesToBase64(signature);
}