Error Code Portal
Node.jsNode.jsError code

ERR_CRYPTO_MAC_FINALIZED

crypto mac finalized

What does this code mean?

Code ERR_CRYPTO_MAC_FINALIZED · An issue reported by Node.js.

Official explanation · Original text

An operation was attempted on a Mac object after finalization was attempted or an underlying MAC update failed.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Errors | Node.js v26.13.1 Documentation ↗

Creator: Node.js contributors; Joyent, Inc. and other Node contributors
License: MIT License (Node.js documentation)
Checked on: 2026-11-12

Modifications: English prose extracted; whitespace normalized; Korean context and classified official links added. Python code examples not redistributed.

Source details · Original licenses and notices