# crypto/sha512
Compute the SHA-512 hash of the input. Returns the digest as a lowercase
hex string (128 chars).
## Syntax
[crypto/sha512 $data]
## Parameters
- `$data` — String (bytes) to hash
## Examples
[crypto/sha512 "hello"] # 9b71d224bd62... [crypto/sha512 $payload]
## Returns
128-character lowercase hex string.
## See Also
`crypto/sha256`, `crypto/blake3`, `crypto/hmac`, `crypto/hash`