{
   "title":"p256-hkdf-512-03: ECDH-ES direct w/ hkdf-sha-512 for 512-bit key",
   "input":{
      "plaintext":"This is the content.",
      "mac":{
         "alg":"HS512",
         "protected":{
            "alg":"HS512"
         },
         "recipients":[
            {
               "key":{
                  "kty":"EC",
                  "kid":"meriadoc.brandybuck@buckland.example",
                  "crv":"P-256",
                  "x":"Ze2loSV3wrroKUN_4zhwGhCqo3Xhu1td4QjeQ5wIVR0",
                  "y":"HlLtdXARY_f55A3fnzQbPcm6hgr34Mp8p-nuzQCE0Zw",
                  "d":"r_kHyZ-a06rmxM3yESK84r1otSg-aQcVStkRhA-iCM8"
               },
               "protected":{
                  "alg":"ECDH-ES-512"
               },
               "unprotected":{
                  "kid":"meriadoc.brandybuck@buckland.example"
               }
            }
         ]
      },
      "rng_stream":[
         "02D1F7E6F26C43D4868D87CEB2353161740AACF1F7163647984B522A848DF1C3"
      ]
   },
   "intermediates":{
      "CEK_hex":"ECEAACB6A84FC9FAD2BB2E2C9520A036675BD6894CE41E826E0A5BB98D22403163739A28A2FDFED93675BCC8E46F40EDBEA98D15834F01418A43382D54510DCB",
      "recipients":[
         {
            "Context_hex":"840783F6F6F683F6F6F68219020044A1013819",
            "Secret_hex":"4B31712E096E5F20B4ECF9790FD8CC7C8B7E2C8AD90BDA81CB224F62C0E7B9A6"
         }
      ],
      "ToMac_hex":"84634D414343A101074054546869732069732074686520636F6E74656E742E"
   },
   "output":{
      "cbor_diag":"97([h'A10107', {}, h'546869732069732074686520636F6E74656E742E', h'D2B43858502332EC1D532133CBD7AE35018BF60A38BAC7ACC121C408EC56BD83D7599E49698E25CCD214B92EEF150284A8E2AE7301418AEB60968BE75EA9ADB2', [[h'A1013819', {-1: {1: 2, -1: 1, -2: h'98F50A4FF6C05861C8860D13A638EA56C3F5AD7590BBFBF054E1C7B4D91D6280', -3: h'F01400B089867804B8E9FC96C3932161F1934F4223069170D924B7E03BF822BB'}, 4: h'6D65726961646F632E6272616E64796275636B406275636B6C616E642E6578616D706C65'}, h'']]])",
      "cbor":"D8618543A10107A054546869732069732074686520636F6E74656E742E5840D2B43858502332EC1D532133CBD7AE35018BF60A38BAC7ACC121C408EC56BD83D7599E49698E25CCD214B92EEF150284A8E2AE7301418AEB60968BE75EA9ADB2818344A1013819A220A40102200121582098F50A4FF6C05861C8860D13A638EA56C3F5AD7590BBFBF054E1C7B4D91D6280225820F01400B089867804B8E9FC96C3932161F1934F4223069170D924B7E03BF822BB0458246D65726961646F632E6272616E64796275636B406275636B6C616E642E6578616D706C6540"
   }
}