Ascon Hash
Ascon Hash is a free online Hash Tools tool that ascon-Hash256 produces a fixed 256-bit (32-byte) cryptographic hash as standardised in NIST SP 800-232. Ascon is a family of lightweight authenticated encryption and hashing algorithms designed for constrained devices such as IoT sensors an instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Description
Ascon-Hash256 produces a fixed 256-bit (32-byte) cryptographic hash as standardised in NIST SP 800-232. Ascon is a family of lightweight authenticated encryption and hashing algorithms designed for constrained devices such as IoT sensors an
- This tool runs the official CyberChef engine on the 26173 server. Avoid pasting secrets you would not send to any server.
How to use
Using Ascon Hash takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Use cases
Common situations where Ascon Hash helps:
- Ascon-Hash256 produces a fixed 256-bit (32-byte) cryptographic hash as standardised in NIST SP 800-232. Ascon is a family of lightweight authenticated encryption and hashing algorithms designed for constrained devices such as IoT sensors an
- This tool runs the official CyberChef engine on the 26173 server. Avoid pasting secrets you would not send to any server.
FAQ
What is Ascon Hash?
Ascon Hash ascon-Hash256 produces a fixed 256-bit (32-byte) cryptographic hash as standardised in NIST SP 800-232. Ascon is a family of lightweight authenticated encryption and hashing algorithms designed for constrained devices such as IoT sensors an. It runs entirely in your browser, so your data stays private.
Is Ascon Hash free to use?
Yes. Ascon Hash is free, unlimited and works without registration or installation.
Does my data get uploaded?
Is my data uploaded for this tool? — This tool is processed on our server by design; input is used only for the computation and is not stored.