Crypto function group for Get & Transform

A big missing feature we'd love to see included here. In Power Query there is no way to authenticate a message using HMAC-SHA256 for example, or simply encrypt a message using MD5, which is extremely common to be needed nowadays that APIs might also require to encrypt parameters in order to accept queries. For this, a M language function group "Crypto", like in most major languages would be just nice. Thanks! Jesus