---
name: "ykparse"
section: "1"
platform: "linux"
package: "yubico-c"
version: "1.13-8"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/ykparse"
---

# ykparse(1)

decrypt and show information inside a YubiKey OTP

## NAME

ykparse - decrypt and show information inside a YubiKey OTP

## SYNOPSIS

**ykparse** *AESKEY* *TOKEN*

## DESCRIPTION

Decrypt and display information inside a YubiKey OTP.

## OPTIONS

**AESKEY**

The 16-character AES-128 key to use in hex.

**TOKEN**

The modhex encoded One-Time Password (OTP).

## EXAMPLES

Typical usage of the tool is as follows.

```
ykparse ecde18dbe76fbd0c33330f1c354871db dteffujedcflcindvdbrblehecuitvjkjevvehjd
```

## SEE ALSO

YubiKeys can be obtained from Yubico: http://www.yubico.com/