{
   "title":"HKDF-HMAC-SHA-512-03: Direct HKDF HMAC-SHA-512 - with salt",
   "input":{
      "plaintext":"This is the content.",
      "mac":{
         "alg":"HS256",
         "protected":{
            "alg":"HS256"
         },
         "recipients":[
            {
               "key":{
                  "kty":"oct",
                  "kid":"our-secret",
                  "use":"enc",
                  "k":"hJtXIZ2uSN5kbQfbtTNWbpdmhkV8FJG-Onbc6mxCcYg"
               },
               "protected":{
                  "alg":"HKDF-HMAC-SHA-512"
               },
               "unprotected":{
                  "kid":"our-secret",
                  "salt":"aabbccddeeffgghh"
               }
            }
         ]
      }
   },
   "intermediates":{
      "AAD_hex":"8369456E76656C6F70656443A1010A40",
      "CEK_hex":"4E59ACE6806C3C2F76ED7E56D34CB5767A6422F08A12CBC1E59195B82599E683",
      "recipients":[
         {
            "Context_hex":"840583F6F6F683F6F6F68219010043A1012A"
         }
      ],
      "ToMac_hex":"84634D414343A101054054546869732069732074686520636F6E74656E742E"
   },
   "output":{
      "cbor_diag":"97([h'A10105', {}, h'546869732069732074686520636F6E74656E742E', h'E248C0CC50FAAF759CDA500035245D160B74A96A20234B764706D8E7911C96FD', [[h'A1012A', {-20: h'61616262636364646565666667676868', 4: h'6F75722D736563726574'}, h'']]])",
      "cbor":"D8618543A10105A054546869732069732074686520636F6E74656E742E5820E248C0CC50FAAF759CDA500035245D160B74A96A20234B764706D8E7911C96FD818343A1012AA2335061616262636364646565666667676868044A6F75722D73656372657440"
   }
}