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> Fetch the complete documentation index at: https://baileys.wiki/llms.txt
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# signedKeyPair

> Function signedKeyPair in the Baileys API.

> **signedKeyPair**(`identityKeyPair`, `keyId`): `object`

Defined in: [src/Utils/crypto.ts:38](https://github.com/WhiskeySockets/Baileys/blob/master/src/Utils/crypto.ts#L38)

## Parameters

### identityKeyPair

[`KeyPair`](/api-reference/type-aliases/KeyPair)

### keyId

`number`

## Returns

`object`

### keyId

> **keyId**: `number`

### keyPair

> **keyPair**: [`KeyPair`](/api-reference/type-aliases/KeyPair) = `preKey`

### signature

> **signature**: `Uint8Array`\<`ArrayBufferLike`>