What is the WHIRLPOOL hash algorithm?

WHIRLPOOL is a Miyaguchi-Preneel construction hash function producing a 512-bit digest. It was designed by Vincent Rijmen and Paulo Barreto and is standardized in ISO/IEC 10118-3.

How long is a WHIRLPOOL hash?

A WHIRLPOOL hash is always 512 bits, displayed as 128 hexadecimal characters regardless of input length.

Is my data sent to a server?

No. The entire computation runs in your browser using JavaScript. Your input text never leaves your device.

How does WHIRLPOOL compare to SHA-512?

Both produce 512-bit digests, but they use different internal designs. WHIRLPOOL uses a block cipher in a Miyaguchi-Preneel mode, while SHA-512 uses the Merkle-Damgard construction with a Davies-Meyer compression function.

Can I hash binary or Unicode text?

Yes. The input is UTF-8 encoded before hashing, so any Unicode characters (emoji, CJK, etc.) are handled correctly.

What is the WHIRLPOOL test vector for an empty string?

The WHIRLPOOL hash of an empty string is 19FA61D75522A4669B44E39C1D2E1726C530232130D407F89AFEE0964997F7A73E83BE698B288FEBCF88E3E03C4F0757EA8964E59B63D93708B138CC42A66EB3.

WHIRLPOOL Hash Generator

Name: WHIRLPOOL Hash Generator
Availability: InStock
Author: Nham Vu

Type or paste any text and instantly get its 512-bit WHIRLPOOL cryptographic hash.

Input Text

0 characters 0 bytes (UTF-8)

WHIRLPOOL Hash (512-bit)

Uppercase

Hash will appear here...

Algorithm

WHIRLPOOL

Digest Size

512 bits / 128 hex

Known Test Vectors

Empty string 19FA61D7...

"abc" 4E2448A4...

"The quick brown fox..." B97DE512...

Click a row to load the test input.

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Summary

Type or paste any text and instantly get its 512-bit WHIRLPOOL cryptographic hash.

How it works

Type or paste your input text into the text area.
The WHIRLPOOL hash is computed instantly in your browser using pure JavaScript.
The 128-character hexadecimal digest is displayed in the output field.
Click "Copy Hash" to copy the result to your clipboard.
Toggle uppercase/lowercase output format as needed.
Use the "Clear" button to reset both fields.

Use cases

Verify file or data integrity using a WHIRLPOOL checksum.
Generate secure digests for passwords before storage.
Compare document fingerprints without revealing content.
Test hash function behavior during cryptographic research.
Validate WHIRLPOOL implementations against known test vectors.
Create unique identifiers for deduplication pipelines.

Frequently Asked Questions

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Last updated: 2026-05-23 · Reviewed by Nham Vu