terraform/website/docs/language/functions/sha256.mdx

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---
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page_title: sha256 - Functions - Configuration Language
description: |-
The sha256 function computes the SHA256 hash of a given string and encodes it
with hexadecimal digits.
---
# `sha256` Function
`sha256` computes the SHA256 hash of a given string and encodes it with
hexadecimal digits.
The given string is first encoded as UTF-8 and then the SHA256 algorithm is applied
as defined in [RFC 4634](https://tools.ietf.org/html/rfc4634). The raw hash is
then encoded to lowercase hexadecimal digits before returning.
## Examples
```
> sha256("hello world")
b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9
```
## Related Functions
## Related Functions
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* [`filesha256`](/language/functions/filesha256) calculates the same hash from
the contents of a file rather than from a string value.
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* [`base64sha256`](/language/functions/base64sha256) calculates the same hash but returns
the result in a more-compact Base64 encoding.