--- layout: "functions" page_title: "filebase64sha512 - Functions - Configuration Language" sidebar_current: "docs-funcs-crypto-filebase64sha512" description: |- The filebase64sha512 function computes the SHA512 hash of the contents of a given file and encodes it with Base64. --- # `filebase64sha512` Function `filebase64sha512` is a variant of [`base64sha512`](./base64sha512.html) that hashes the contents of a given file rather than a literal string. This is similar to `base64sha512(file(filename))`, but because [`file`](./file.html) accepts only UTF-8 text it cannot be used to create hashes for binary files.