SHA3 Hash Generator
Hash & EncryptionGenerate next-generation Keccak-based SHA-3 hashes.
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SHA3 Hash Output
About This Tool
Modern SHA-3 (Keccak) hash generator. Securely generate SHA-3 hashes with variable bit lengths. SHA-3 is the latest NIST standard designed to provide a secure alternative to the SHA-2 family.
Frequently Asked Questions
Unlike SHA2, which uses the Merkle-Damgård construction, SHA3 is based on a novel sponge construction called Keccak. This provides a completely different mathematical foundation, ensuring safety if SHA2 is ever compromised.
SHA3 is not necessarily "better" but rather a different standard. It was chosen by NIST to provide diversity in cryptographic standards, ensuring that a single mathematical breakthrough cannot break all hashing protocols.
Keccak is the algorithm that won the SHA3 competition. However, the official NIST SHA3 standard has minor technical differences in padding compared to the original Keccak algorithm used in early Ethereum.
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