# Function: flattenedDecrypt()

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## Call Signature

▸ **flattenedDecrypt**(`jwe`, `key`, `options?`): [`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)\<[`FlattenedDecryptResult`](../../../../types/interfaces/FlattenedDecryptResult.md)\>

Decrypts a Flattened JWE.

This function is exported (as a named export) from the main `'jose'` module entry point as well
as from its subpath export `'jose/jwe/flattened/decrypt'`.

### Parameters

| Parameter | Type | Description |
| ------ | ------ | ------ |
| `jwe` | [`FlattenedJWE`](../../../../types/interfaces/FlattenedJWE.md) | Flattened JWE. |
| `key` | [`Uint8Array`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) \| [`CryptoKey`](https://developer.mozilla.org/docs/Web/API/CryptoKey) \| [`JWK`](../../../../types/interfaces/JWK.md) \| [`KeyObject`](../../../../types/interfaces/KeyObject.md) | Private Key or Secret to decrypt the JWE with. See [Algorithm Key Requirements](https://github.com/panva/jose/issues/210#jwe-alg). |
| `options?` | [`DecryptOptions`](../../../../types/interfaces/DecryptOptions.md) | JWE Decryption options. |

### Returns

[`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)\<[`FlattenedDecryptResult`](../../../../types/interfaces/FlattenedDecryptResult.md)\>

### Example

```js
const jwe = {
  ciphertext: '9EzjFISUyoG-ifC2mSihfP0DPC80yeyrxhTzKt1C_VJBkxeBG0MI4Te61Pk45RAGubUvBpU9jm4',
  iv: '8Fy7A_IuoX5VXG9s',
  tag: 'W76IYV6arGRuDSaSyWrQNg',
  encrypted_key:
    'Z6eD4UK_yFb5ZoKvKkGAdqywEG_m0e4IYo0x8Vf30LAMJcsc-_zSgIeiF82teZyYi2YYduHKoqImk7MRnoPZOlEs0Q5BNK1OgBmSOhCE8DFyqh9Zh48TCTP6lmBQ52naqoUJFMtHzu-0LwZH26hxos0GP3Dt19O379MJB837TdKKa87skq0zHaVLAquRHOBF77GI54Bc7O49d8aOrSu1VEFGMThlW2caspPRiTSePDMDPq7_WGk50izRhB3Asl9wmP9wEeaTrkJKRnQj5ips1SAZ1hDBsqEQKKukxP1HtdcopHV5_qgwU8Hjm5EwSLMluMQuiE6hwlkXGOujZLVizA',
  aad: 'VGhlIEZlbGxvd3NoaXAgb2YgdGhlIFJpbmc',
  protected: 'eyJhbGciOiJSU0EtT0FFUC0yNTYiLCJlbmMiOiJBMjU2R0NNIn0',
}

const { plaintext, protectedHeader, additionalAuthenticatedData } =
  await jose.flattenedDecrypt(jwe, privateKey)

console.log(protectedHeader)
const decoder = new TextDecoder()
console.log(decoder.decode(plaintext))
console.log(decoder.decode(additionalAuthenticatedData))
```

## Call Signature

▸ **flattenedDecrypt**(`jwe`, `getKey`, `options?`): [`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)\<[`FlattenedDecryptResult`](../../../../types/interfaces/FlattenedDecryptResult.md) & [`ResolvedKey`](../../../../types/interfaces/ResolvedKey.md)\>

### Parameters

| Parameter | Type | Description |
| ------ | ------ | ------ |
| `jwe` | [`FlattenedJWE`](../../../../types/interfaces/FlattenedJWE.md) | Flattened JWE. |
| `getKey` | [`FlattenedDecryptGetKey`](../interfaces/FlattenedDecryptGetKey.md) | Function resolving Private Key or Secret to decrypt the JWE with. See [Algorithm Key Requirements](https://github.com/panva/jose/issues/210#jwe-alg). |
| `options?` | [`DecryptOptions`](../../../../types/interfaces/DecryptOptions.md) | JWE Decryption options. |

### Returns

[`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)\<[`FlattenedDecryptResult`](../../../../types/interfaces/FlattenedDecryptResult.md) & [`ResolvedKey`](../../../../types/interfaces/ResolvedKey.md)\>