{
   "title":"sign-fail-06: Add protected attribute",
   "fail":true,
   "input":{
      "plaintext":"This is the content.",
      "sign":{
         "signers":[
            {
               "key":{
                  "kty":"EC",
                  "kid":"11",
                  "crv":"P-256",
                  "x":"usWxHK2PmfnHKwXPS54m0kTcGJ90UiglWiGahtagnv8",
                  "y":"IBOL-C3BttVivg-lSreASjpkttcsz-1rb7btKLv8EX4",
                  "d":"V8kgd2ZBRuh2dgyVINBUqpPDr7BOMGcF22CQMIUHtNM"
               },
               "unprotected":{
                  "kid":"11"
               },
               "protected":{
                  "alg":"ES256"
               }
            }
         ]
      },
      "failures":{
         "AddProtected":{
            "ctyp":0
         }
      },
      "rng_description":"seed for signature"
   },
   "intermediates":{
      "signers":[
         {
            "ToBeSign_hex":"85695369676E61747572654043A101264054546869732069732074686520636F6E74656E742E"
         }
      ]
   },
   "output":{
      "cbor_diag":"98([h'A10300', {}, h'546869732069732074686520636F6E74656E742E', [[h'A10126', {4: h'3131'}, h'E2AEAFD40D69D19DFE6E52077C5D7FF4E408282CBEFB5D06CBF414AF2E19D982AC45AC98B8544C908B4507DE1E90B717C3D34816FE926A2B98F53AFD2FA0F30A']]])",
      "cbor":"D8628443A10300A054546869732069732074686520636F6E74656E742E818343A10126A1044231315840E2AEAFD40D69D19DFE6E52077C5D7FF4E408282CBEFB5D06CBF414AF2E19D982AC45AC98B8544C908B4507DE1E90B717C3D34816FE926A2B98F53AFD2FA0F30A"
   }
}