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Tool Factory

Hashing & Checksums

BLAKE2b Digest Calculator

Calculate or verify a digest with BLAKE2b. Enter the data, choose the digest options, then copy the calculated value.

Tool workspace

Your input stays in this browser.

Add the required input to continue.

Needs input

You can run the tool again after any change.

Options

Your result appears here

Calculate or verify a digest with BLAKE2b. Enter the data, choose the digest options, then copy the calculated value.

This tool runs open-source code from CyberChef by GCHQ (Apache License 2.0). See open-source credits.

BLAKE2b Digest Calculator uses BLAKE2b for the supplied input. The operation returns a deterministic digest for the supplied input and selected settings. The digest or checksum format is specific to BLAKE2b Digest Calculator.

The operation returns a deterministic digest for the supplied input and selected settings. The digest or checksum format is specific to BLAKE2b Digest Calculator. This result runs in the browser for this catalog category. Processing runs in the browser.

This digest provides deterministic comparison output; it does not provide encryption or source authentication.

Instructions

  1. Provide text or data for this tool.
  2. Use a short public fixture. This applies to BLAKE2b Digest Calculator.
  3. Record every size, round, variant, or seed setting beside the digest. This applies to BLAKE2b Digest Calculator.
  4. Change one input byte to verify that the result changes as expected. This applies to BLAKE2b Digest Calculator.

Example

Input: Short public bytes "Test message". Algorithm operation: BLAKE2b Digest Calculator.

Settings: BLAKE2b Digest Calculator: Use the operation's documented input encoding. Select digest size, rounds, variant, seed, or output encoding when shown. Keep byte order and formatting unchanged when comparing outputs.

Result: The operation returns a deterministic digest for the supplied input and selected settings. The digest or checksum format is specific to BLAKE2b Digest Calculator.

Limits

  • BLAKE2b Digest Calculator: A digest is one-way output and does not encrypt the input.
  • BLAKE2b Digest Calculator: Digest equality depends on exact bytes, encoding, and settings.
  • BLAKE2b Digest Calculator: A digest alone does not authenticate its source.

Questions

What input does BLAKE2b Digest Calculator accept?

BLAKE2b Digest Calculator accepts binary data or a selected file.

Which settings does BLAKE2b Digest Calculator provide?

BLAKE2b Digest Calculator provides controls for Size, Output Encoding, Key.

What does BLAKE2b Digest Calculator return?

BLAKE2b Digest Calculator returns text. Calculates a BLAKE2b digest for the supplied bytes. BLAKE2b supports digest sizes from 1 to 64 bytes and an optional key.