SHAKE128, SHAKE128 variable-length hash
Technical Specifications
- Output Length:
- Variable (typically 256 bit shown - 64 hex chars)
- Security Level:
- Very high - SHA-3 standard
- Algorithm Type:
- Keccak sponge construction (XOF mode)
- Capacity:
- 256 bit
- Block Size:
- 1088 bit (136 bytes)
Usage Areas
- Random number generation (DRBG)
- Extendable Output Function (XOF)
- Key derivation
- Merkle-Damgård-like structures
- Applications requiring long hash output
Features
- Variable output: Can produce output of any desired length
- XOF (eXtendable Output Function): Flexible output length
- SHA-3 standard: NIST FIPS PUB 202
- High security: Same security guarantees as SHA-3
- Sponge construction: Flexible and secure architecture
Standards and References
- NIST FIPS PUB 202 (SHA-3 Standard)
- ISO/IEC 10118-3:2018