{
   "title":"signed-01: Signed message w/ one countersignature0 on signer",
   "input":{
      "plaintext":"This is the content.",
      "sign":{
         "protected":{
            "ctyp":0
         },
         "signers":[
            {
               "key":{
                  "kty":"OKP",
                  "kid":"11",
                  "crv":"Ed25519",
                  "x_hex":"d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
                  "d_hex":"9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60"
               },
               "unprotected":{
                  "kid":"11"
               },
               "protected":{
                   "alg":"EdDSA"
               }
            }
         ],
               "countersign0":{
                    "signers":[
                        {
                            "key":{
                                "kty":"OKP",
                                "kid":"11",
                                "crv":"Ed25519",
                                "x_hex":"d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
                                "d_hex":"9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60"
                            },
                        "unsent":{
                           "alg":"EdDSA"
                            }
                        }
                    ]
                }
      },
      "rng_description":"seed for signature"
   },
   "intermediates":{
      "signers":[
         {
            "ToBeSign_hex":"85695369676E617475726543A1030043A101274054546869732069732074686520636F6E74656E742E"
          }
      ],
      "countersign0":[
         {
            "ToBeSign_hex":"8571436F756E7465725369676E61747572653043A10300404054546869732069732074686520636F6E74656E742E"
         }
      ]
   },
   "output":{
      "cbor_diag":"98([h'A10300', {9: h'D3AFDA37684DE8EBE5F65805D85035083AA5A5CFCF4162411308E3846B8316752E9CE4BDC0ED5AE7B574B9A87D2480CD2FA3875D945908F9F68BDE8AF8106E0A'}, h'546869732069732074686520636F6E74656E742E', [[h'A10127', {4: h'3131'}, h'77F3EACD11852C4BF9CB1D72FABE6B26FBA1D76092B2B5B7EC83B83557652264E69690DBC1172DDC0BF88411C0D25A507FDB247A20C40D5E245FABD3FC9EC106']]])",
      "cbor":"D8628443A10300A1095840D3AFDA37684DE8EBE5F65805D85035083AA5A5CFCF4162411308E3846B8316752E9CE4BDC0ED5AE7B574B9A87D2480CD2FA3875D945908F9F68BDE8AF8106E0A54546869732069732074686520636F6E74656E742E818343A10127A104423131584077F3EACD11852C4BF9CB1D72FABE6B26FBA1D76092B2B5B7EC83B83557652264E69690DBC1172DDC0BF88411C0D25A507FDB247A20C40D5E245FABD3FC9EC106"
   }
}