{
   "title":"mac-fail-03: Direct key + HMAC-SHA256",
   "fail":true,
   "input":{
      "plaintext":"This is the content.",
      "mac0":{
         "alg":"HS256",
         "protected":{
            "alg":"HS256"
         },
         "recipients":[
            {
               "unprotected":{
                  "alg":"direct",
                  "kid":"our-secret"
               },
               "key":{
                  "kty":"oct",
                  "kid":"our-secret",
                  "use":"enc",
                  "k":"hJtXIZ2uSN5kbQfbtTNWbpdmhkV8FJG-Onbc6mxCcYg"
               }
            }
         ]
      },
      "failures":{
         "ChangeAttr":{
            "alg":-999
         }
      }
   },
   "intermediates":{
      "ToMac_hex":"84644D41433043A101054054546869732069732074686520636F6E74656E742E",
      "CEK_hex":"849B57219DAE48DE646D07DBB533566E976686457C1491BE3A76DCEA6C427188",
      "recipients":[
         {
         }
      ]
   },
   "output":{
      "cbor_diag":"17([h'A1013903E6', {}, h'546869732069732074686520636F6E74656E742E', h'A1A848D3471F9D61EE49018D244C824772F223AD4F935293F1789FC3A08D8C58'])",
      "cbor":"D18445A1013903E6A054546869732069732074686520636F6E74656E742E5820A1A848D3471F9D61EE49018D244C824772F223AD4F935293F1789FC3A08D8C58"
   }
}