# Parse X.509 certificate

X.509 is an ITU-T standard for a public key infrastructure (PKI) and Privilege Management Infrastructure (PMI). It is commonly involved with SSL/TLS security. This operation displays the contents of a certificate in a human readable format, similar to the openssl command line tool. Parse X.509 certificate lives in the **Cryptography** category of the `fx` menu.

## Parameters

| Parameter    | Type   | Required | Default | Description                                            |
| ------------ | ------ | -------- | ------- | ------------------------------------------------------ |
| Input        | string | yes      | —       | Value to transform. Previous step output or a literal. |
| Input format | string | no       | `PEM`   | Choose one of: `PEM`, `DER Hex`, `Base64`, `Raw`.      |

`Input` is the primary value (previous step output or a literal).

## Returned value

| Type     | Description                                           |
| -------- | ----------------------------------------------------- |
| `string` | Result of the Parse X.509 certificate transformation. |

## Example

<details>
<summary>Run Parse X.509 certificate</summary>

X.509 is an ITU-T standard for a public key infrastructure (PKI) and Privilege Management Infrastructure (PMI). Adjust optional parameters when the defaults do not match your payload.

1. Set **Input** to the value to transform (previous step output or a literal).

2. Review **Input format** and keep defaults unless your format requires otherwise.

3. Confirm **Output value** shows the transformed result.

</details>