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Generator Hash SHA-3

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Generator Hash SHA-3

Generate SHA-3 (Keccak) hashes instantly with this free online tool. SHA-3 is the latest member of the Secure Hash Algorithm family, standardized by NIST in 2015. Unlike SHA-2, SHA-3 is built on the Keccak sponge construction, providing a completely different internal structure for added security diversity. Use this tool to compute SHA3-224, SHA3-256, SHA3-384, or SHA3-512 hashes from any text input.

Cara Penggunaan

1. Enter or paste the text you want to hash in the input field.
2. Select the SHA-3 output size (224, 256, 384, or 512 bits) from the dropdown.
3. The hash is computed automatically as you type.
4. Optionally, paste an expected hash value to verify a match.
5. Click the copy button to copy the result to your clipboard.

Fitur

All SHA-3 Variants – Supports SHA3-224, SHA3-256, SHA3-384, and SHA3-512 output lengths
Real-Time Hashing – Hash is computed instantly as you type, no button click needed
Hash Comparison – Verify a computed hash against an expected value with visual match indicator
Pemrosesan Sisi Klien – All computation happens in your browser; your data never leaves your device
Salin Sekali Klik – Copy the generated hash to your clipboard instantly

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 Tanya Jawab Umum

What is the difference between SHA-2 and SHA-3?

SHA-2 and SHA-3 are both part of the Secure Hash Algorithm family but use fundamentally different internal constructions. SHA-2 uses the Merkle-Damgård structure, while SHA-3 uses the Keccak sponge construction. This architectural diversity means that a theoretical attack against SHA-2 would not apply to SHA-3, and vice versa.
When should I use SHA-3 instead of SHA-256?

SHA-3 is recommended when you need algorithm diversity for defense-in-depth, when compliance standards require it, or when building systems that must remain secure against potential future cryptanalytic breakthroughs targeting the Merkle-Damgård construction used by SHA-2.
Is SHA-3 slower than SHA-2?

In software implementations, SHA-3 is generally somewhat slower than SHA-2 on most general-purpose CPUs. However, SHA-3 was designed to be very efficient in hardware implementations and offers better resistance to side-channel attacks. The performance difference is negligible for most applications.