{
   "title":"HKDF-AES-256-03: Direct HKDF AES-256 - with salt",
   "input":{
      "plaintext":"This is the content.",
      "mac":{
         "alg":"HS256",
         "protected":{
            "alg":"HS256"
         },
         "recipients":[
            {
               "key":{
                  "kty":"oct",
                  "kid":"sec-256",
                  "use":"enc",
                  "k":"Dx4tPEtaaXiHlqW0w9Lh8B8uPUxbanmIl6a1xNPi8QA"
               },
               "protected":{
                  "alg":"HKDF-AES-256"
               },
               "unprotected":{
                  "kid":"our-secret",
                  "salt":"aabbccddeeffgghh"
               }
            }
         ]
      }
   },
   "intermediates":{
      "AAD_hex":"8369456E76656C6F70656443A1010A40",
      "CEK_hex":"9FA2B55BB98134BC1B5AAA706DDC9B18B01FED3A693A5D9F73FE8B5EE449FFCE",
      "recipients":[
         {
            "Context_hex":"840583F6F6F683F6F6F68219010043A1012C"
         }
      ],
      "ToMac_hex":"84634D414343A101054054546869732069732074686520636F6E74656E742E"
   },
   "output":{
      "cbor_diag":"97([h'A10105', {}, h'546869732069732074686520636F6E74656E742E', h'67F06E0EDC8265B40F77ABD1844A5293D63D0A68E1BC70EAC3A0E76834E35A99', [[h'A1012C', {-20: h'61616262636364646565666667676868', 4: h'6F75722D736563726574'}, h'']]])",
      "cbor":"D8618543A10105A054546869732069732074686520636F6E74656E742E582067F06E0EDC8265B40F77ABD1844A5293D63D0A68E1BC70EAC3A0E76834E35A99818343A1012CA2335061616262636364646565666667676868044A6F75722D73656372657440"
   }
}