opentofu/website/docs/language/functions/filemd5.mdx
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Signed-off-by: Janos <86970079+janosdebugs@users.noreply.github.com>
Signed-off-by: Damian Stasik <920747+damianstasik@users.noreply.github.com>
Signed-off-by: Roman Grinovski <roman.grinovski@gmail.com>
Co-authored-by: Damian Stasik <920747+damianstasik@users.noreply.github.com>
Co-authored-by: Roman Grinovski <roman.grinovski@gmail.com>
2024-04-24 13:24:30 +02:00

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---
sidebar_label: filemd5
description: |-
The filemd5 function computes the MD5 hash of the contents of
a given file and encodes it as hex.
---
# `filemd5` Function
`filemd5` is a variant of [`md5`](../../language/functions/md5.mdx)
that hashes the contents of a given file rather than a literal string.
This is similar to `md5(file(filename))`, but
because [`file`](../../language/functions/file.mdx) accepts only UTF-8 text it cannot be used to
create hashes for binary files.
Collision attacks have been successfully performed against this hashing
function. Before using this function for anything security-sensitive, refer to
[RFC 6151](https://tools.ietf.org/html/rfc6151) for updated security
considerations applying to the MD5 algorithm.