KECCAK Encryption

Tool Introduction

KECCAK encryption tool is a professional online Keccak hash calculator. Keccak is the underlying algorithm for SHA-3 (Secure Hash Algorithm-3), providing powerful data integrity verification and cryptographic hashing functions. This tool supports multiple algorithm variants such as Keccak-224, Keccak-256, Keccak-384, and Keccak-512, allowing users to customize input types (Plaintext, Hex, Base64, Bytes), character encoding, salt (prefix or suffix), encryption rounds, and the case format of the output results. Whether you are performing data validation, password storage, or other security applications, this tool can provide flexible and efficient Keccak hash calculation services.

How to Use

1. Enter the string to be encrypted: Enter the original data you need to perform Keccak hash calculation on in the "String to be Encrypted" text box.
2. Select Algorithm: In the "Algorithm" dropdown menu, select the Keccak hash algorithm you wish to use, for example, "KECCAK-256". Different algorithms will produce hash values of different lengths.
3. Select Input Type: Select the corresponding "Input Type" based on your input data format (e.g., "Plaintext", "Hex", "Base64", or "Bytes"). If "Plaintext" is selected, be sure to configure the correct "Character Encoding" in the subsequent steps.
4. Configure Optional Parameters:
   • Case: Select the character case format for the hash result output ("Lowercase" or "Uppercase").
   • Salt (Optional): If you need to increase the security of the hash, you can fill in the salt value in the "Salt" input box, and select whether to add it to the beginning (prefix) or end (suffix) of the string to be encrypted via "Salt Position".
   • Encryption Rounds: Set the number of iterations for the hash calculation. The default is 1 round, you can set it to any integer between 1 and 10000 as needed; multiple rounds of encryption can increase the difficulty of cracking.
   • Character Encoding: When "Plaintext" is selected as the "Input Type", this item is used to specify the character encoding of the input string (e.g., "UTF-8", "ASCII", "ISO-8859-1") to ensure that the string can be correctly converted to bytes for hash calculation.
5. View Results: After completing the above configuration, the tool will calculate and display the Keccak hash results in real-time, including "Hex", "Base64", and "Bytes" formats.

Usage Example

Below is an example of performing hash calculation on plaintext using the KECCAK-256 algorithm:

• Example Input Data:
  • String to be Encrypted: Hello Keccak!
  • Algorithm: KECCAK-256
  • Input Type: Plaintext
  • Character Encoding: UTF-8
  • Salt: (Leave blank)
  • Encryption Rounds: 1
  • Case: Lowercase
• Operation Demonstration:
  1. Enter Hello Keccak! in the "String to be Encrypted" text box.
  2. Select KECCAK-256 for "Algorithm".
  3. Select Plaintext for "Input Type".
  4. Select UTF-8 for "Character Encoding".
  5. Keep other parameters as default.
• Expected Output Results:

  The calculated Keccak-256 hash value (lowercase) is as follows:

  • Hex: 933f481c4e976698305001ff2a57ef196e100806443c706ee9a272e27041a966
  • Base64: kz9IHG6XYpgwUAHzKl3vGW4QCAbEPnbu6aJy4nBBqWY=
  • Bytes: (Byte sequence, usually presented in Hex or Base64 format)

Frequently Asked Questions

• Q: What is the difference between Keccak and SHA-3? A: Keccak is the fundamental design of the SHA-3 hash algorithm family. SHA-3 is a standard selected by NIST (National Institute of Standards and Technology), which makes specific provisions for padding methods and capacity parameters based on the Keccak algorithm. Therefore, the "KECCAK" algorithm provided by this tool is the original Keccak function implementation, while SHA-3 is its standardized version.
• Q: Which Keccak algorithm variants does this tool support? A: This tool supports four Keccak hash algorithms: Keccak-224, Keccak-256, Keccak-384, and Keccak-512, to meet different security requirements and output length needs.
• Q: Can I use Salt for hash calculation? How to set it? A: Yes, you can add salt. Fill in the salt string you wish to use in the "Salt" input box, then select whether to add the salt to the "Prefix" (beginning) or "Suffix" (end) of the string to be encrypted via "Salt Position" for hash calculation. Adding salt can effectively defend against rainbow table attacks and improve hash security.
• Q: What is the purpose of multiple encryption rounds? A: Multiple encryption rounds mean using the previous hash result as the input for the next hash, repeating the hash calculation multiple times. This can increase the difficulty and computational cost of brute-force attacks, thereby improving the security of the hash, especially suitable for password storage scenarios. This tool supports 1 to 10000 rounds of encryption.
• Q: Is the character encoding of the input string important? A: Very important. When you select "Plaintext" as the input type, the character encoding (such as UTF-8, ASCII) determines how your text string is converted into a byte sequence that can be processed by a computer. If the encoding is selected incorrectly, even if the same text is entered, different hash results will be obtained. Please ensure that the character encoding is consistent with the actual encoding of the original plaintext.

Notes

• Input Format Matching: Please ensure that the "Input Type" you select (Plaintext, Hex, Base64, Bytes) is completely consistent with the actual format of the "String to be Encrypted". Mismatched input types will lead to incorrect calculation results or inability to process.
• Character Encoding: When processing plaintext input, please select the correct encoding (such as UTF-8) from the "Character Encoding" dropdown menu based on the actual encoding of your original string, to avoid unexpected hash results.
• Salt Usage: Although salt can enhance security, sensitive information should not be used as salt. It is recommended to use randomly generated salt with sufficient complexity and length, and keep it properly.
• Hash Unidirectionality: Keccak hash is a one-way function, and its design goal is irreversibility. This means that you cannot derive the original input string from the generated hash result.
• Computational Resources: When a larger "Encryption Rounds" is set, hash calculation may take longer, especially when processing longer input strings, please wait patiently.