{
   "title":"p256-hkdf-256-03: ECDH-ES direct w/ hkdf-sha-256 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"
               },
               "unprotected":{
                  "kid":"meriadoc.brandybuck@buckland.example"
               }
            }
         ]
      },
      "rng_stream":[
         "02D1F7E6F26C43D4868D87CEB2353161740AACF1F7163647984B522A848DF1C3"
      ]
   },
   "intermediates":{
      "CEK_hex":"69220077533E89BDA8DA04814ACCB4703E8C9B009033C8F6A7E65DBB3BCA621B2CF279C6842998CB2B4D2BBAD2E6652824F424D7B7004CC2D6A7384086CF5FF8",
      "recipients":[
         {
            "Context_hex":"840783F6F6F683F6F6F68219020044A1013818",
            "Secret_hex":"4B31712E096E5F20B4ECF9790FD8CC7C8B7E2C8AD90BDA81CB224F62C0E7B9A6"
         }
      ],
      "ToMac_hex":"84634D414343A101074054546869732069732074686520636F6E74656E742E"
   },
   "output":{
      "cbor_diag":"97([h'A10107', {}, h'546869732069732074686520636F6E74656E742E', h'DB49CF4E1444B976C74D550A6134E1A69774AE0F132AD38FB5F409B25740EE564870FBAEB0EE01BA4A7E7DFD2BBBECBF21E5BB1B7CCD94210375D3461AF851EA', [[h'A1013818', {-1: {1: 2, -1: 1, -2: h'98F50A4FF6C05861C8860D13A638EA56C3F5AD7590BBFBF054E1C7B4D91D6280', -3: h'F01400B089867804B8E9FC96C3932161F1934F4223069170D924B7E03BF822BB'}, 4: h'6D65726961646F632E6272616E64796275636B406275636B6C616E642E6578616D706C65'}, h'']]])",
      "cbor":"D8618543A10107A054546869732069732074686520636F6E74656E742E5840DB49CF4E1444B976C74D550A6134E1A69774AE0F132AD38FB5F409B25740EE564870FBAEB0EE01BA4A7E7DFD2BBBECBF21E5BB1B7CCD94210375D3461AF851EA818344A1013818A220A40102200121582098F50A4FF6C05861C8860D13A638EA56C3F5AD7590BBFBF054E1C7B4D91D6280225820F01400B089867804B8E9FC96C3932161F1934F4223069170D924B7E03BF822BB0458246D65726961646F632E6272616E64796275636B406275636B6C616E642E6578616D706C6540"
   }
}