Clear `prf` on invalid chunk

Seems safer to just wipe it in case there is a scenario where a partial `prf` is sent.

diff --git a/src/getPrf.js b/src/getPrf.js
index 767629d81f298ec68ec0eb52001b2bb2315ea2eb..caa5257b2164ab785e00abb3145298d16b32c6ae 100644 (file)
--- a/src/getPrf.js
+++ b/src/getPrf.js
@@ -143,6 +143,7 @@ export async function getPrf(options = {}) {
       request.on('data', chunk => {
         try { prf.set(chunk, offset); }
         catch { // Invalid chunk or too many bytes, stop processing immediately.
+          prf.fill(0);
           response.writeHead(400).end();
           request.destroy();
           return;