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GOST hash

The GOST hash function, defined in the standards GOST R 34.11-94 and GOST 34.311-95 is a 256-bit cryptographic hash function. It was initially defined in the Russian national standard GOST R 34.11-94 Information Technology – Cryptographic Information Security – Hash Function. The equivalent standard used by other member-states of the CIS is GOST 34.311-95. This function must not be confused with a different Streebog hash function, which is defined in the new revision of the standard GOST R 34.11-2012. GOST hash lives in the Hashing category of the fx menu.

Parameters

Section titled “Parameters”
ParameterTypeRequiredDefaultDescription
Inputstringyes—Value to transform. Previous step output or a literal.
S-BoxstringnoD-AChoose one of: D-A, D-SC, E-TEST, E-A, E-B, E-C, and 4 more.

Input is the primary value (previous step output or a literal).

Returned value

Section titled “Returned value”
TypeDescription
stringResult of the GOST hash transformation.

Limitations

Section titled “Limitations”
  • This operation treats Input as raw bytes (binary-capable). Non-text payloads may display differently after decoding.
  • Wrong key, algorithm options, or malformed input typically raises an evaluation error — fix Input or options before re-running.

Example

Section titled “Example”
Run GOST hash

The GOST hash function, defined in the standards GOST R 34.11-94 and GOST 34.311-95 is a 256-bit cryptographic hash function. Adjust optional parameters when the defaults do not match your payload.

  1. Set Input to the value to transform (previous step output or a literal).

  2. Review S-Box and keep defaults unless your format requires otherwise.

  3. Confirm Output value shows the transformed result.