anchor.diff:  (require '[buddy.auth :refer (authenticated?)])
   (require '[ring.util.response :refer (response)])
   
  -;; Simple ring handler. This can also be a compojure routes handler
  +;; Simple ring handler. This can also be a compojure router handler
   ;; or anything else compatible with ring middlewares.
   (defn handler
     [request]
  
positive.code: NIST SP 800-108 specification.
  
  
  Ciphers
  ~~~~~~~
  
  TODO
  
  
  Codecs (binary -> string conversion)
  
negative.code: 
  .Supported key derivation functions.
  [options="header"]
  |==============================================================================
  |Algorithm name | Constructor              | Notes
  |HKDF           | `buddy.core.kdf/hkdf`    | HMAC based KDF
  |KDF1           | `buddy.core.kdf/kdf1`    |
  |KDF2           | `buddy.core.kdf/kdf2`    |
  |CMKDF          | `buddy.core.kdf/cmkdf`   | Counter Mode KDF
  |FMKDF          | `buddy.core.kdf/fmkdf`   | Feedback Mode KDF
  |DPIMKDF        | `buddy.core.kdf/dpimkdf` | Double-Pipeline Iteration Mode KDF
  |==============================================================================
  
  NOTE: All key derivation functions work with byte arrays. For following examples, `buddy.core.codecs`
  functions for convert strings to byte arrays.
  