{
   "title":"ECDSA-03: ECDSA - P-512",
   "input":{
      "plaintext":"This is the content.",
      "sign":{
         "signers":[
            {
               "key":{
                  "kty":"EC",
                  "kid":"bilbo.baggins@hobbiton.example",
                  "use":"sig",
                  "crv":"P-521",
                  "x":"AHKZLLOsCOzz5cY97ewNUajB957y-C-U88c3v13nmGZx6sYl_oJXu9A5RkTKqjqvjyekWF-7ytDyRXYgCF5cj0Kt",
                  "y":"AdymlHvOiLxXkEhayXQnNCvDX4h9htZaCJN34kfmC6pV5OhQHiraVySsUdaQkAgDPrwQrJmbnX9cwlGfP-HqHZR1",
                  "d":"AAhRON2r9cqXX1hg-RoI6R1tX5p2rUAYdmpHZoC1XNM56KtscrX6zbKipQrCW9CGZH3T4ubpnoTKLDYJ_fF3_rJt"
               },
               "protected":{
                  "alg":"ES512"
               },
               "unprotected":{
                  "kid":"bilbo.baggins@hobbiton.example"
               }
            }
         ]
      },
      "rng_description":"seed for signature"
   },
   "intermediates":{
      "signers":[
         {
            "ToBeSign_hex":"85695369676E61747572654044A10138234054546869732069732074686520636F6E74656E742E"
         }
      ]
   },
   "output":{
      "cbor_diag":"98([h'', {}, h'546869732069732074686520636F6E74656E742E', [[h'A1013823', {4: h'62696C626F2E62616767696E7340686F626269746F6E2E6578616D706C65'}, h'00A2D28A7C2BDB1587877420F65ADF7D0B9A06635DD1DE64BB62974C863F0B160DD2163734034E6AC003B01E8705524C5C4CA479A952F0247EE8CB0B4FB7397BA08D009E0C8BF482270CC5771AA143966E5A469A09F613488030C5B07EC6D722E3835ADB5B2D8C44E95FFB13877DD2582866883535DE3BB03D01753F83AB87BB4F7A0297']]])",
      "cbor":"D8628440A054546869732069732074686520636F6E74656E742E818344A1013823A104581E62696C626F2E62616767696E7340686F626269746F6E2E6578616D706C65588400A2D28A7C2BDB1587877420F65ADF7D0B9A06635DD1DE64BB62974C863F0B160DD2163734034E6AC003B01E8705524C5C4CA479A952F0247EE8CB0B4FB7397BA08D009E0C8BF482270CC5771AA143966E5A469A09F613488030C5B07EC6D722E3835ADB5B2D8C44E95FFB13877DD2582866883535DE3BB03D01753F83AB87BB4F7A0297"
   }
}