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jose/docs/key/generate_key_pair/functions/generateKeyPair.md
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Signed-off-by: Filip Skokan <[email protected]>
2026-07-29 18:50:54 +02:00

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Function: generateKeyPair()

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â–¸ generateKeyPair(alg, options?): Promise<GenerateKeyPairResult>

Generates a private and a public key for a given JWA algorithm identifier. This can only generate asymmetric key pairs. For symmetric secrets use the generateSecret function.

Note

The privateKey is generated with extractable set to false by default. See GenerateKeyPairOptions.extractable to generate an extractable privateKey.

This function is exported (as a named export) from the main 'jose' module entry point as well as from its subpath export 'jose/key/generate/keypair'.

Parameters

Parameter Type Description
alg string JWA Algorithm Identifier to be used with the generated key pair. See Algorithm Key Requirements.
options? GenerateKeyPairOptions Additional options passed down to the key pair generation.

Returns

Promise<GenerateKeyPairResult>

Example

const { publicKey, privateKey } = await jose.generateKeyPair('PS256')
console.log(publicKey)
console.log(privateKey)