{
   "title":"HKDF-HMAC-SHA-512-09: Direct HKDF HMAC-SHA-512 - U id + u nonce + v id + v nonce",
   "input":{
      "plaintext":"This is the content.",
      "enveloped":{
         "protected":{
            "alg":"AES-CCM-16-128/64"
         },
         "recipients":[
            {
               "key":{
                  "kty":"oct",
                  "kid":"our-secret",
                  "use":"enc",
                  "k":"hJtXIZ2uSN5kbQfbtTNWbpdmhkV8FJG-Onbc6mxCcYg"
               },
               "protected":{
                  "alg":"HKDF-HMAC-SHA-512"
               },
               "unprotected":{
                  "kid":"our-secret",
                  "apu_id":"Sender",
                  "apv_id":"Recipient",
                  "apu_nonce":"S101",
                  "apv_nonce":"R102"
               }
            }
         ]
      },
      "rng_stream":[
         "BFE89563EE070CE187BDF1C472"
      ]
   },
   "intermediates":{
      "AAD_hex":"8367456E637279707443A1010A40",
      "CEK_hex":"25D8245E3BFEFC51324859EA14C68C23",
      "recipients":[
         {
            "Context_hex":"840A834653656E6465724453313031F68349526563697069656E744452313032F682188043A1012A"
         }
      ]
   },
   "output":{
      "cbor_diag":"96([h'A1010A', {5: h'BFE89563EE070CE187BDF1C472'}, h'DF9D8A2E30420AEABB1FFF3A2CFFCB6350921B810F1AA0134EEE27FE', [[h'A1012A', {-21: h'53656E646572', 4: h'6F75722D736563726574', -24: h'526563697069656E74', -22: h'53313031', -25: h'52313032'}, h'']]])",
      "cbor":"D8608443A1010AA1054DBFE89563EE070CE187BDF1C472581CDF9D8A2E30420AEABB1FFF3A2CFFCB6350921B810F1AA0134EEE27FE818343A1012AA5344653656E646572044A6F75722D7365637265743749526563697069656E743544533130313818445231303240"
   }
}