Hash file

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Compute SHA-1, SHA-256, SHA-384, or SHA-512 hash of a file. Returns the digest in hex. The standard primitive for content fingerprinting and integrity checks.

POST /api/hash-file·cap 25.0 MiB·1 cost unit(s)

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Hash bytes

Hash a text string with SHA-1 / SHA-256 / SHA-384 / SHA-512.

HMAC sign

Compute an HMAC signature (SHA-1/256/384/512) over input bytes.

HMAC verify

Verify an HMAC signature in constant time.