policy: fix integrity when DEFAULT_ENCODING is settest

PR-URL: https://github.com/nodejs/node/pull/39750
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/internal/policy/manifest.js b/lib/internal/policy/manifest.js
index c3ec82f596..a8420343db 100644
--- a/lib/internal/policy/manifest.js
+++ b/lib/internal/policy/manifest.js
@@ -501,8 +501,10 @@ class Manifest {
             value: expected
           } = integrityEntries[i];
           const hash = createHash(algorithm);
-          HashUpdate(hash, content);
-          const digest = HashDigest(hash);
+          // TODO(tniessen): the content should not be passed as a string in the
+          // first place, see https://github.com/nodejs/node/issues/39707
+          HashUpdate(hash, content, 'utf8');
+          const digest = HashDigest(hash, 'buffer');
           if (digest.length === expected.length &&
             timingSafeEqual(digest, expected)) {
             return true;