{
   "title":"HMAC-ENC-03: Direct key + HMAC-SHA512 - implicit",
   "input":{
      "plaintext":"This is the content.",
      "mac0":{
         "alg":"HS512",
         "protected":{
            "alg":"HS512"
         },
         "recipients":[
            {
               "unprotected":{
                  "alg":"direct",
                  "kid":"sec-64"
               },
               "key":{
                  "kty":"oct",
                  "kid":"sec-64",
                  "use":"enc",
                  "k":"hJtXIZ2uSN5kbQfbtTNWbpdmhkV8FJG-Onbc6mxCcYgAESIzd4iZqiEiIyQlJicoqrvM3e7_paanqKmgsbKztA"
               }
            }
         ]
      }
   },
   "intermediates":{
      "ToMac_hex":"84644D41433043A101074054546869732069732074686520636F6E74656E742E",
      "CEK_hex":"849B57219DAE48DE646D07DBB533566E976686457C1491BE3A76DCEA6C42718800112233778899AA2122232425262728AABBCCDDEEFFA5A6A7A8A9A0B1B2B3B4",
      "recipients":[
         {
         }
      ]
   },
   "output":{
      "cbor_diag":"17([h'A10107', {}, h'546869732069732074686520636F6E74656E742E', h'4A555BF971F7C1891D9DDF304A1A132E2D6F817449474D813E6D04D65962BED8BBA70C17E1F5308FA39962959A4B9B8D7DA8E6D849B209DCD3E98CC0F11EDDF2'])",
      "cbor":"D18443A10107A054546869732069732074686520636F6E74656E742E58404A555BF971F7C1891D9DDF304A1A132E2D6F817449474D813E6D04D65962BED8BBA70C17E1F5308FA39962959A4B9B8D7DA8E6D849B209DCD3E98CC0F11EDDF2"
   }
}