Tool Introduction
"SHAKE Encryption" is a powerful online SHAKE hash calculation tool that supports both SHAKE-128 and SHAKE-256 algorithms. SHAKE (Symmetric Hash-key Extended Output Function) is an extendable output function in the SHA-3 family, meaning it can generate hash digests of arbitrary length, which is very useful in applications requiring specific output lengths. This tool provides flexible input options, including plaintext, Hex, Base64, and Bytes formats, and allows custom output length (bits), while also supporting the addition of salt to enhance security and multi-round encryption iterations. Whether you are performing data integrity checks, password storage, or other scenarios requiring flexible hash output, this tool provides an efficient and convenient solution.
How to Use
- Enter the original data you need to hash in the "String to be encrypted" text box.
- Select the desired hash algorithm from the "Algorithm" dropdown menu, choosing between SHAKE-128 or SHAKE-256.
- Specify the format of your input content in the "Input Type" dropdown menu, such as "Plaintext", "Hex", "Base64", or "Bytes".
- Set the desired number of bits for the generated hash digest in the "Output Bits" input box, defaulting to 256 bits.
- (Optional) Enter a salt string to increase hash complexity in the "Salt" input box.
- (Optional) Select whether the salt is added as a prefix (start) or suffix (end) to the string to be encrypted using the "Salt Position" radio buttons.
- (Optional) Set the number of hash iterations in the "Encryption Rounds" input box to enhance security, defaulting to 1 round.
- Select the "Case" radio button to determine the case format of the output Hex result (lowercase or uppercase).
- Select "Character Encoding" to ensure correct parsing of the input content, defaulting to UTF-8.
- Click the "Execute" button (or similar start operation button), and the tool will calculate and display the results according to your configuration.
Usage Examples
Below are examples of several typical usage scenarios, demonstrating how to utilize the different features of this tool.
Example One: Basic SHAKE-256 Hash
- Operation Demonstration:
- Enter in "String to be encrypted":
Hello, SHAKE!
- "Algorithm" selection:
SHAKE-256
- "Input Type" selection:
Plaintext
- "Output Bits" entry:
256
- "Case" selection:
Lowercase
- "Character Encoding" selection:
UTF-8
- Keep other parameters as default.
- Example Input Data:
- String to be encrypted:
Hello, SHAKE!
- Algorithm:
SHAKE-256
- Input Type:
Plaintext
- Output Bits:
256
- Case:
Lowercase
- Expected Output Result:
- Hex:
28532f81156828a1c97f4c547530e206086f6d538f45a004b77f88496739f7d3
- Base64:
KFJvPRVoKKHJgcl/TFh1MOIGAWh1U49FoAS3f4hJZzn30=
- Bytes:
(Raw byte representation, omitted here, the tool will display directly)
Example Two: SHAKE-128 Hash with Salt and Custom Output Length
- Operation Demonstration:
- Enter in "String to be encrypted":
test
- "Algorithm" selection:
SHAKE-128
- "Input Type" selection:
Plaintext
- "Output Bits" entry:
128
- "Salt" entry:
mysalt
- "Salt Position" selection:
Prefix (start)
- "Case" selection:
Uppercase
- "Character Encoding" selection:
UTF-8
- Keep other parameters as default.
- Example Input Data:
- String to be encrypted:
test
- Algorithm:
SHAKE-128
- Input Type:
Plaintext
- Output Bits:
128
- Salt:
mysalt
- Salt Position:
Prefix (start)
- Case:
Uppercase
- Expected Output Result:
- Hex:
3A69772EE57621C0001DFA1936C56784
- Base64:
OmlyLuV2IcAAHfoZNwVnhA==
- Bytes:
(Raw byte representation, omitted here, the tool will display directly)
Introduction to SHAKE Algorithm
The SHAKE algorithm is an eXtendable Output Function (XOF) in the SHA-3 (Secure Hash Algorithm 3rd Generation) family, its name derived from "Symmetric Hash-key Extended Output". Unlike traditional hash functions such as MD5 or SHA-256, the SHAKE algorithm can generate hash digests of arbitrary length. This variable output length feature makes SHAKE more flexible in many application scenarios, such as generating keys, hash digests, or digital signatures of specified lengths in cryptography.
The core of the SHAKE algorithm is the Keccak sponge construction, which allows input data to be "absorbed" into an internal state, and then arbitrary length output to be "squeezed" from the internal state as needed. Currently, SHAKE mainly has two versions: SHAKE-128 and SHAKE-256, whose numerical suffixes indicate their security strength (corresponding to 128-bit and 256-bit collision resistance, respectively), rather than the output length.
Differences between SHAKE and Traditional Hash Algorithms
Traditional hash algorithms, such as MD5, SHA-1, SHA-256, etc., all generate fixed-length hash digests. For example, MD5 always generates 128-bit output, and SHA-256 always generates 256-bit output. SHAKE, as an XOF, the most significant difference is its ability to generate hash outputs of arbitrary length. This feature brings the following advantages:
- Flexibility: Users can specify the length of the hash output according to the needs of the specific application, without truncation or padding.
- Versatility: Suitable for a variety of different cryptographic protocols, such as pseudo-random number generators (PRNGs), key derivation functions (KDFs), etc.
- Resistance to Length Extension Attacks: The internal structure of the SHAKE algorithm naturally resists certain attacks against fixed-output hash functions, such as length extension attacks.
Frequently Asked Questions
- Q: What input formats does SHAKE encryption support? A: This tool supports four input formats: plaintext, Hex encoding, Base64 encoding, and Bytes (byte stream). Please ensure that the input type you select matches the actual content.
- Q: What is the format of the output result? A: The tool will provide you with three common output formats: Hex (hexadecimal), Base64 encoding, and Bytes (raw byte representation). You can choose to use them as needed.
- Q: What is the difference between the SHAKE algorithm and SHA-256? A: Both SHAKE and SHA-256 are cryptographic hash functions. The main difference is that SHA-256 generates a fixed-length (256-bit) hash value, while SHAKE (e.g., SHAKE-256), as an eXtendable Output Function (XOF), can generate hash values of arbitrary length as needed, and its suffix number represents the security strength rather than the output length.
- Q: What is Salt? What is its purpose? A: Salt is random data added to the data to be hashed. Its purpose is to increase the complexity of the hash, invalidate rainbow table attacks, and prevent two identical input data from generating the same hash value, thereby improving the security of password storage.
- Q: What is the purpose of encryption rounds? A: Encryption rounds (or iterations) refer to performing multiple hash calculations on the data. Increasing the number of rounds can significantly increase the difficulty of brute-force attacks, as attackers need to perform more calculations to obtain the original data, but it will also increase the calculation time.
Notes
- Input Data Format Matching: Please ensure that the format you select in "Input Type" matches the actual data format you enter in "String to be encrypted", otherwise it may lead to calculation errors or unexpected results.
- Output Bit Setting: The unique feature of the SHAKE algorithm is that you can customize the output bits. Please set the "Output Bits" reasonably according to your specific application requirements; too short may reduce security, and too long may increase storage and transmission overhead.
- Salt and Rounds: Introducing salt and increasing encryption rounds are effective means to enhance hash security, especially when dealing with sensitive data. However, please note that these operations will correspondingly increase calculation time.
- Character Encoding: When processing text data, selecting the correct "Character Encoding" (such as UTF-8, ASCII, etc.) is crucial. Incorrect encoding may cause the input string to be parsed incorrectly, resulting in incorrect hash values.
- Hashing is One-Way: Please remember that SHAKE hashing is a one-way function, which means it is computationally infeasible to derive the original data from the hash value. This tool does not provide decryption functionality.
