SHA3-256, The 256-bit output version of the SHA-3 (Secure Hash Algorithm 3) standard. It's based on the Keccak sponge function and was selected by NIST as the winner of the SHA-3 competition.
Technical Specifications
- Hash Length:
- 256 bit (64 hex characters)
- Security Level:
- Very high - SHA-3 standard
- Algorithm Type:
- Keccak sponge construction
- Block Size:
- 1088 bit (136 bytes)
- Capacity:
- 512 bit
- Speed:
- High performance, hardware optimization available
Usage Areas
- Modern security protocols and applications
- Blockchain technologies and cryptocurrencies
- Ethereum blockchain
- Digital signatures and authentication
- High security systems
Features
- Independent from SHA-2: Completely different mathematical structure
- Sponge construction: Flexible and secure architecture
- Quantum resistant: More resistant to quantum computers
- High security: Strong against modern cryptanalysis techniques
- Flexible output: Can generate hashes of different lengths
- Performant: Hardware and software optimizations available
Standards and References
- NIST FIPS PUB 202 (SHA-3 Standard)
- ISO/IEC 10118-3:2018