crypto.HMAC

Returns a cryptographic hash that uses a key to sign a message.

Syntax

crypto.HMAC HASH_TYPE KEY MESSAGE [ENCODING]

Returns

string

Alias

hmac

Set the HASH_TYPE argument to md5, sha1, sha256, or sha512.

Set the optional ENCODING argument to either hex (default) or binary.

{{ 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=

Last updated: December 4, 2023 : Squashed 'docs/' changes from 4d936aee6..4dd2d6415 (35dec7c96)

Improve this page