Hashes noble-hashes hash

K12 Generator - KangarooTwelve Fast Hashing

Generate K12 (KangarooTwelve) hashes - fast reduced-round Keccak with tree structure per IRTF draft.

k12.workspace
2 options
0 bytes UTF-8, Hex, Base64, or File input

Secure client-side computation. No data leaves your browser. Privacy Security

Result Output

What Is KangarooTwelve (K12)?

K12 (KangarooTwelve) is a fast hash function using reduced-round Keccak-f with 12 rounds and a tree structure, defined in draft-irtf-cfrg-kangarootwelve, providing high-speed hashing for efficient parallel processing.

Specifications

Output Size Variable
Standard KangarooTwelve Internet-Draft
Standard Year 2021
Origin KangarooTwelve proposal
Origin Year 2016

Use Cases

  • High-speed cryptographic hashing
  • Tree-based parallel hashing
  • Large file fast integrity checks
  • High-throughput data processing
  • Modern fast cryptographic applications
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Security Notice

KangarooTwelve (K12) is suitable for cryptographic integrity checks and fingerprints when used appropriately. Use HMAC or KMAC when you need message authentication, and use a dedicated KDF such as Argon2, bcrypt, or scrypt for password storage.

Related Tools

BLAKE3 Hashes SHA-256 Hashes SHAKE128 Hashes

Utilities

File Hash Verifier Verify local files against published checksums. Hash Compare Compare expected and actual digest values. Multi Hash Generator Generate common hashes from one input.

Guides

Algorithm Comparison Guide Choose the right primitive for each task. Hash Test Vectors Compare known outputs across common algorithms.

Implementation Notes

Practical usage details for this browser-based KangarooTwelve (K12) tool.

How to Generate a KangarooTwelve (K12) hash

  1. Choose UTF-8, Hex, Base64, or File input mode.
  2. Enter text, encoded bytes, or choose a local file to process.
  3. Adjust the KangarooTwelve (K12) options if your use case requires non-default settings.
  4. Click Generate KangarooTwelve (K12) Hash and copy the result.

Example Input

Sample input:

abc

Use this sample input, then copy the generated hash from the result panel.

When Not to Use KangarooTwelve (K12)

  • Do not use a plain hash or derivation output directly as password storage without the right password-hashing construction and parameters.

Recommended Alternatives

Review related tools when you need a different output size, security margin, or keyed construction.

Frequently Asked Questions