{
   "title":"HKDF-HMAC-SHA-256-04: Direct HKDF HMAC-SHA-256 - salt ",
   "input":{
      "plaintext":"This is the content.",
      "mac":{
         "alg":"HS512",
         "protected":{
            "alg":"HS512"
         },
         "recipients":[
            {
               "key":{
                  "kty":"oct",
                  "kid":"our-secret",
                  "use":"enc",
                  "k":"hJtXIZ2uSN5kbQfbtTNWbpdmhkV8FJG-Onbc6mxCcYg"
               },
               "protected":{
                  "alg":"HKDF-HMAC-SHA-256"
               },
               "unprotected":{
                  "kid":"our-secret",
                  "salt":"aabbccddeeffgghh"
               }
            }
         ]
      }
   },
   "intermediates":{
      "AAD_hex":"8369456E76656C6F70656443A1010A40",
      "CEK_hex":"BEDD8C2FE8A6C51693E61814111BF66D5C6C7C7C8ACF10A7668F52422BE38D0C9C55FBD927476E498F63B35C9143368C39B3CC40886153BCB309DEFBE0D13621",
      "recipients":[
         {
            "Context_hex":"840783F6F6F683F6F6F68219020043A10129"
         }
      ],
      "ToMac_hex":"84634D414343A101074054546869732069732074686520636F6E74656E742E"
   },
   "output":{
      "cbor_diag":"97([h'A10107', {}, h'546869732069732074686520636F6E74656E742E', h'71B8F7CBD4590A7C58E9E773B309DABD5BAD23939E5EA9DF603227635B19C2CC4EA085D8A2D4D4346AA8229D9395184FEEE2F5B73F3FEFCD32E4A037B149F2A0', [[h'A10129', {-20: h'61616262636364646565666667676868', 4: h'6F75722D736563726574'}, h'']]])",
      "cbor":"D8618543A10107A054546869732069732074686520636F6E74656E742E584071B8F7CBD4590A7C58E9E773B309DABD5BAD23939E5EA9DF603227635B19C2CC4EA085D8A2D4D4346AA8229D9395184FEEE2F5B73F3FEFCD32E4A037B149F2A0818343A10129A2335061616262636364646565666667676868044A6F75722D73656372657440"
   }
}