# Signature.validate

Validates a Signature. Returns `true` if the signature is valid, `false` otherwise.

## Imports

:::code-group
```ts [Named]
import { Signature } from 'ox'
```

```ts [Entrypoint]
import * as Signature from 'ox/Signature'
```
:::

## Examples

```ts twoslash
// @errors: 2322
import { Signature } from 'ox'

const valid = Signature.validate({
  r: '-0x6e100a352ec6ad1b70802290e18aeed190704973570f3b8ed42cb9808e2ea6bf',
  s: '0x4a90a229a244495b41890987806fcbd2d5d23fc0dbe5f5256c2613c039d76db8',
  yParity: 1
})
// @log: false
```

## Definition

```ts
function validate(
  signature: ExactPartial<Signature>,
  options?: validate.Options,
): boolean
```

**Source:** [src/core/Signature.ts](https://github.com/wevm/ox/blob/main/src/core/Signature.ts#L1010)

## Parameters

### signature

* **Type:** `ExactPartial<Signature>`

The signature object to assert.

### options

* **Type:** `validate.Options`
* **Optional**

#### options.recovered

* **Type:** `boolean`
* **Optional**

Whether or not the signature should be recovered (contain `yParity`).

## Return Type

`boolean`