Generate SHA-1 Hashes

Generate SHA-1 hashes for file verification and legacy system compatibility. SHA-1 hash calculator for text and files. Free online tool.

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Часті запитання

Is SHA-1 still secure?

No. SHA-1 is deprecated for security purposes. Practical collision attacks have been demonstrated (Google's SHAttered attack in 2017). Use SHA-256 or SHA-512 for security-critical applications. SHA-1 remains fine for non-security checksums.

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