Repair mac() function to produce correct output width

2024-03-21 21:58:32 +01:00 · 2024-03-21 21:58:32 +01:00 · 3b7543845a
parent a25cafdabb
commit 3b7543845a
1 changed files with 2 additions and 1 deletions
--- a/packages/core/src/transport/cryptography.ts
+++ b/packages/core/src/transport/cryptography.ts
@ -19,5 +19,6 @@ export const newKey: () => Promise<Bytes> =
 const HMAC_BLAKE2s = makeHMAC(BLAKE2s);

 export function mac(secretKey: Bytes, data: Bytes): Bytes {
-    return Bytes.from(HMAC_BLAKE2s(underlying(secretKey), underlying(data)));
+    return Bytes.from(HMAC_BLAKE2s(underlying(secretKey), underlying(data))
+        .subarray(0, KEY_LENGTH));
 }