Skip to main content
Tool Factory

Cryptography & Ciphers

RC6 Encryption

Apply RC6 Encrypt with explicit key, format, and algorithm settings. Enter the data and key material, choose the parameters, then review the result.

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

Apply RC6 Encrypt with explicit key, format, and algorithm settings. Enter the data and key material, choose the parameters, then review the result.

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

RC6 Encryption uses RC6 to process the supplied input. The operation returns the selected legacy cipher output or recovered plaintext. This record describes encryption or encoding for RC6 Encryption.

The operation returns the selected legacy cipher output or recovered plaintext. This record describes encryption or encoding for RC6 Encryption. Processing runs in the browser for this catalog category, so the result depends on the supplied bytes and settings. Processing runs in the browser.

These operations support legacy or educational compatibility; they do not provide modern key management or authenticated trust.

Instructions

  1. Provide text or data for this tool.
  2. Use a public test key and short message. This applies to RC6 Encryption.
  3. Copy every mode and padding setting into the paired direction. This applies to RC6 Encryption.
  4. Compare Hex output with the reference fixture before using a result. This applies to RC6 Encryption.

Example

Input: Plaintext "Test message" with a public compatibility key "0011223344556677" and the operation defaults. Operation direction: encryption or encoding; algorithm: RC6 Encryption.

Settings: RC6 Encryption: Select the operation's key encoding and algorithm options. Use the listed mode, IV, padding, input encoding, and output encoding. Use Hex output for reproducible binary fixtures.

Result: The operation returns the selected legacy cipher output or recovered plaintext. This record describes encryption or encoding for RC6 Encryption. Processing runs in the browser for this catalog category, so the result depends on the supplied bytes and settings.

Limits

  • RC6 Encryption: Legacy cipher variants need exact parameters for interoperability.
  • RC6 Encryption: Unauthenticated modes do not detect ciphertext changes.
  • RC6 Encryption: Do not use these operations as a new application security design.

Questions

Which key settings does RC6 encrypt require?

Match Key, Word Size, and Rounds with the source implementation. The IV size depends on the selected word size.

Why does RC6 output differ from another tool?

Mode and Padding also affect the result. Changing Word Size creates a different RC6 parameterization even when the key remains unchanged.

How should I copy RC6 encrypt input and output?

Select the actual Input representation before running the operation. Choose Hex output when you need to preserve arbitrary bytes during copying. A readable result or a Complete label alone does not verify the message or its sender.