{
   "title":"MAC example with direct ECDH static-static and HMAC-SHA256",
   "input":{
      "plaintext":"This is the content.",
      "mac":{
         "protected":{
            "alg":"HS256"
         },
         "recipients":[
            {
               "protected":{
                  "alg":"ECDH-SS"
               },
               "unprotected":{
                  "kid":"meriadoc.brandybuck@buckland.example",
                  "spk_kid":"peregrin.took@tuckborough.example",
                  "apu_nonce_hex":"4d8553e7e74f3c6a3a9dd3ef286a8195cbf8a23d19558ccfec7d34b824f42d92bd06bd2c7f0271f0214e141fb779ae2856abf585a58368b017e7f2a9e5ce4db5"
               },
               "key":{
                  "kty":"EC",
                  "kid":"meriadoc.brandybuck@buckland.example",
                  "use":"enc",
                  "crv":"P-256",
                  "x":"Ze2loSV3wrroKUN_4zhwGhCqo3Xhu1td4QjeQ5wIVR0",
                  "y":"HlLtdXARY_f55A3fnzQbPcm6hgr34Mp8p-nuzQCE0Zw",
                  "d":"r_kHyZ-a06rmxM3yESK84r1otSg-aQcVStkRhA-iCM8"
               },
               "sender_key":{
                  "kty":"EC",
                  "crv":"P-256",
                  "use":"enc",
                  "kid":"peregrin.took@tuckborough.example",
                  "x":"mPUKT_bAWGHIhg0TpjjqVsP1rXWQu_vwVOHHtNkdYoA",
                  "y":"8BQAsImGeAS46fyWw5MhYfGTT0IjBpFw2SS34Dv4Irs",
                  "d":"AtH35vJsQ9SGjYfOsjUxYXQKrPH3FjZHmEtSKoSN8cM"
               }
            }
         ]
      }
   },
   "intermediates":{
      "ToMac_hex":"84634D414343A101054054546869732069732074686520636F6E74656E742E",
      "CEK_hex":"1C86606741D3C5C7683BD8767B5A6E6D7DDA6735C76DF3E885546E4BDCA838AB",
      "recipients":[
         {
            "Context_hex":"840583F658404D8553E7E74F3C6A3A9DD3EF286A8195CBF8A23D19558CCFEC7D34B824F42D92BD06BD2C7F0271F0214E141FB779AE2856ABF585A58368B017E7F2A9E5CE4DB5F683F6F6F68219010044A101381A",
            "Secret_hex":"4B31712E096E5F20B4ECF9790FD8CC7C8B7E2C8AD90BDA81CB224F62C0E7B9A6"
         }
      ]
   },
   "output":{
      "cbor_diag":"97([h'A10105', {}, h'546869732069732074686520636F6E74656E742E', h'81A03448ACD3D305376EAA11FB3FE416A955BE2CBE7EC96F012C994BC3F16A41', [[h'A101381A', {-3: h'706572656772696E2E746F6F6B407475636B626F726F7567682E6578616D706C65', 4: h'6D65726961646F632E6272616E64796275636B406275636B6C616E642E6578616D706C65', -22: h'4D8553E7E74F3C6A3A9DD3EF286A8195CBF8A23D19558CCFEC7D34B824F42D92BD06BD2C7F0271F0214E141FB779AE2856ABF585A58368B017E7F2A9E5CE4DB5'}, h'']]])",
      "cbor":"D8618543A10105A054546869732069732074686520636F6E74656E742E582081A03448ACD3D305376EAA11FB3FE416A955BE2CBE7EC96F012C994BC3F16A41818344A101381AA3225821706572656772696E2E746F6F6B407475636B626F726F7567682E6578616D706C650458246D65726961646F632E6272616E64796275636B406275636B6C616E642E6578616D706C653558404D8553E7E74F3C6A3A9DD3EF286A8195CBF8A23D19558CCFEC7D34B824F42D92BD06BD2C7F0271F0214E141FB779AE2856ABF585A58368B017E7F2A9E5CE4DB540"
   }
}