René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Passing different encodings to Cipheriv updates results in ERR_INTERNAL_ASSERTION","articleBody":"### Version\n\nv26.4.0\n\n### Platform\n```text\nLinux archbtw 7.1.3-arch2-2 #1 SMP PREEMPT_DYNAMIC Thu, 16 Jul 2026 17:41:28 +0000 x86_64 GNU/Linux\n```\n### Subsystem\nCrypto\n\n### What steps will reproduce the bug?\n\n```js\nlet key = scryptSync('hello', 'salt', 24)\nlet init_vector = randomFillSync(new Uint8Array(16))\nconst cipher = createCipheriv('aes-192-cbc', key, init_vector);\n\nlet encrypted = cipher.update('some clear text data', 'utf8', 'hex');\nencrypted += cipher.final('utf8');\n```\n\n### What is the expected behavior? Why is that the expected behavior?\n\nThe error should be handled gracefully and reported to the user.\n\n### What do you see instead?\n\n```\nUncaught Error [ERR_INTERNAL_ASSERTION]: Cannot change encoding\nThis is caused by either a bug in Node.js or incorrect usage of Node.js internals.\nPlease open an issue with this stack trace at https://github.com/nodejs/node/issues\n    at assert.fail (node:internal/assert:17:9)\n    at getDecoder (node:internal/crypto/cipher:101:12)\n    at Cipheriv.final (node:internal/crypto/cipher:175:21) {\n  code: 'ERR_INTERNAL_ASSERTION'\n```\n","author":{"url":"https://github.com/stickynotememo","@type":"Person","name":"stickynotememo"},"datePublished":"2026-07-23T06:25:46Z","url":"https://github.com/nodejs/node/issues/64689"}