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fix: initialize SHA-512 hash function for @noble/ed25519 v3

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@noble/ed25519 v3.0.0 requires explicit SHA-512 hash function setup
before using any cryptographic operations.

🤖 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 18:45:04 +01:00
parent c3fc498c81
commit 683bc42bf0
1 changed files with 6 additions and 0 deletions
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6
src/crypto.ts
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@@ -6,6 +6,12 @@
import * as ed25519 from '@noble/ed25519';
// Set SHA-512 hash function for ed25519 (required in @noble/ed25519 v3+)
// Uses Web Crypto API (compatible with both Node.js and Cloudflare Workers)
ed25519.hashes.sha512Async = async (message: Uint8Array) => {
return new Uint8Array(await crypto.subtle.digest('SHA-512', message as BufferSource));
};
const ALGORITHM = 'AES-GCM';
const IV_LENGTH = 12; // 96 bits for GCM
const KEY_LENGTH = 32; // 256 bits