hugo/docs/content/en/functions/crypto/HMAC.md
Bjørn Erik Pedersen 5fd1e74903
Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'
```
git subtree add --prefix=docs/ https://github.com/gohugoio/hugoDocs.git master --squash
```

Closes #11925
2024-01-27 10:48:57 +01:00

32 lines
925 B
Markdown

---
title: crypto.HMAC
description: Returns a cryptographic hash that uses a key to sign a message.
categories: []
keywords: []
action:
aliases: [hmac]
related:
- functions/crypto/FNV32a
- functions/crypto/MD5
- functions/crypto/SHA1
- functions/crypto/SHA256
returnType: string
signatures: ['crypto.HMAC HASH_TYPE KEY MESSAGE [ENCODING]']
aliases: [/functions/hmac]
---
Set the `HASH_TYPE` argument to `md5`, `sha1`, `sha256`, or `sha512`.
Set the optional `ENCODING` argument to either `hex` (default) or `binary`.
```go-html-template
{{ hmac "sha256" "Secret key" "Secret message" }}
5cceb491f45f8b154e20f3b0a30ed3a6ff3027d373f85c78ffe8983180b03c84
{{ hmac "sha256" "Secret key" "Secret message" "hex" }}
5cceb491f45f8b154e20f3b0a30ed3a6ff3027d373f85c78ffe8983180b03c84
{{ hmac "sha256" "Secret key" "Secret message" "binary" | base64Encode }}
XM60kfRfixVOIPOwow7Tpv8wJ9Nz+Fx4/+iYMYCwPIQ=
```