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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"crypto.verify accepted types mismatch documentation (and crypto.sign)","articleBody":"\u003cimg width=\"1063\" height=\"127\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/8701eaa8-e793-46ae-bdf8-6acbf81a149d\" /\u003e\n\nhttps://github.com/nodejs/node/blob/HEAD/lib/internal/crypto/sig.js#L268\n\n```js\n\u003e const { privateKey, publicKey } = require('crypto').generateKeyPairSync('rsa', { modulusLength: 2048 })\n\u003e require('crypto').sign('SHA256', new ArrayBuffer(32), privateKey)\n\u003e require('crypto').verify('SHA256', new ArrayBuffer(32), publicKey, _)\nUncaught:\nTypeError [ERR_INVALID_ARG_TYPE]: The \"data\" argument must be an instance of Buffer, TypedArray, or DataView. Received an instance of ArrayBuffer\n    at Object.verifyOneShot [as verify] (node:internal/crypto/sig:261:11) {\n  code: 'ERR_INVALID_ARG_TYPE'\n}\n```\n\nDocumentation: https://nodejs.org/api/crypto.html#cryptoverifyalgorithm-data-key-signature-callback\n\u003cimg width=\"903\" height=\"346\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/67a3a582-c73d-4c16-9ff4-835ede4a0624\" /\u003e\n","author":{"url":"https://github.com/ChALkeR","@type":"Person","name":"ChALkeR"},"datePublished":"2026-04-23T05:04:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/62903/node/issues/62903"}