{
   "title":"CBC-MAC-04: MAC example with direct shared key and AES-CBC-MAC-256/128",
   "input":{
      "plaintext":"This is the content.",
      "mac":{
         "alg":"AES-MAC-256/128",
         "protected":{
            "alg":"AES-MAC-256/128"
         },
         "recipients":[
            {
               "unprotected":{
                  "alg":"direct",
                  "kid":"our-secret"
               },
               "key":{
                  "kty":"oct",
                  "kid":"our-secret",
                  "use":"enc",
                  "k":"hJtXIZ2uSN5kbQfbtTNWbpdmhkV8FJG-Onbc6mxCcYg"
               }
            }
         ]
      }
   },
   "intermediates":{
      "ToMac_hex":"84634D414344A101181A4054546869732069732074686520636F6E74656E742E",
      "CEK_hex":"849B57219DAE48DE646D07DBB533566E976686457C1491BE3A76DCEA6C427188",
      "recipients":[
         {
         }
      ]
   },
   "output":{
      "cbor_diag":"97([h'A101181A', {}, h'546869732069732074686520636F6E74656E742E', h'DB9C7598A0751C5FF3366B6205BD2AA9', [[h'', {1: -6, 4: h'6F75722D736563726574'}, h'']]])",
      "cbor":"D8618544A101181AA054546869732069732074686520636F6E74656E742E50DB9C7598A0751C5FF3366B6205BD2AA9818340A20125044A6F75722D73656372657440"
   }
}