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Calculate GOST hashes online. Supports GOST and GOST-CRYPTO algorithms, custom salting, multiple iterations, and various input/output formats.
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When you need a unique, irreversible fingerprint for your data to verify its integrity or securely store passwords, manually implementing the GOST hash algorithm can be complex and error-prone. This tool is designed to solve that problem. It quickly and accurately generates a fixed-length hash value (also known as a message digest) compliant with the Russian national standard (GOST) for any input data, whether in plain text, Hex, or Base64 format. GOST hash is a one-way cryptographic function that maps data of arbitrary length to a fixed-length binary string (typically 256 or 512 bits). The result is commonly used for data integrity verification, digital signatures, and password storage.
Q: What is the difference between GOST hashing and encryption?
GOST hashing is a one-way, irreversible digest calculation used to generate a unique fingerprint of data. Encryption (like AES), on the other hand, is reversible and designed to protect data confidentiality. This tool performs hashing operations.
Q: What is the GOST hash value for the input "Hello"?
Using this tool with the GOST algorithm, plain text input type (UTF-8 encoding), no salt, and 1 iteration round, the resulting Hex format hash is approximately: 981e5f3ca30c941388991b8ad2c7d2c0a3664b2dffb8a7a2b8c7d8e9f0a1b2c3d4.
Ensure that the format of your input data strictly matches the selected "Input Type" (e.g., when selecting "Hex", the input must be a valid hexadecimal string). When the input type is "Plain Text", be sure to select the correct character encoding (such as UTF-8), otherwise, the hash values will be inconsistent. Please note that hash results are one-way and irreversible; you cannot reverse-engineer the original data from the result. The salt value and number of iterations directly affect the final output, so you must use the exact same parameter configuration when verifying hashes.
For security-sensitive scenarios like password storage, it is highly recommended to use a salt and a high number of iteration rounds (e.g., 1,000+ rounds). This significantly increases the cost of brute-force attacks. The GOST algorithm is widely used in information systems in Russia and some Eastern European countries. If the system you are developing needs to comply with relevant regional standards, you should prioritize the GOST-CRYPTO algorithm. A typical example: hashing the plain text "password123" using the GOST algorithm, adding the salt "s@lt" as a prefix, and iterating 5 rounds will yield a Hex result completely different from an unsalted or differently iterated hash, demonstrating the practical security benefits of salting and iterations.
