github.com/Ilhicas/nomad@v1.0.4-0.20210304152020-e86851182bc3/website/content/docs/job-specification/hcl2/functions/crypto/sha256.mdx (about) 1 --- 2 layout: docs 3 page_title: sha256 - Functions - Configuration Language 4 sidebar_title: sha256 5 description: |- 6 The sha256 function computes the SHA256 hash of a given string and encodes it 7 with hexadecimal digits. 8 --- 9 10 # `sha256` Function 11 12 `sha256` computes the SHA256 hash of a given string and encodes it with 13 hexadecimal digits. 14 15 The given string is first encoded as UTF-8 and then the SHA256 algorithm is applied 16 as defined in [RFC 4634](https://tools.ietf.org/html/rfc4634). The raw hash is 17 then encoded to lowercase hexadecimal digits before returning. 18 19 ## Examples 20 21 ```shell-session 22 > sha256("hello world") 23 b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9 24 ```