public async Task <string> holderSharedSecretProvide(
string doctorProofJson, string issuerWalletName)
{
bool res = await DoctorProofFacilitator.verifyDoctorProof(
doctorProofJson);
if (!res)
{
return("The doctor proof json that was provided is not valid!");
}
GovernmentSchemasModel model =
GovernmentSchemasModel.importFromJsonFile();
string json = model.shared_secret_schema;
string schema_id = GovernmentSchemasModel.getSchemaId(json);
// return array with credentials json
json = await getCredentials("{\"schema_id\": \"" + schema_id + "\"}");
JArray a = JArray.Parse(json);
for (int idx = 0; idx < a.Count; ++idx)
{
JObject cred = (JObject)a[idx];
if (cred["attrs"]["secret_issuer"].ToString() == issuerWalletName)
{
return(cred["attrs"]["secret"].ToString());
}
}
return("No secret found for specified identifier");
}
public async Task <string> getEHRCredentials()
{
GovernmentSchemasModel model =
GovernmentSchemasModel.importFromJsonFile();
string schemaId =
GovernmentSchemasModel.getSchemaId(
model.electronic_health_record_schema);
return(await getCredentials("{\"schema_id\": \""
+ schemaId + "\"}"));
}
public async Task <string> getTrustedParties(
string doctorProofJson, string issuer)
{
bool res = await DoctorProofFacilitator.verifyDoctorProof(
doctorProofJson);
if (!res)
{
return("The doctor proof json that was provided is not valid!");
}
GovernmentSchemasModel model =
GovernmentSchemasModel.importFromJsonFile();
string schemaId =
GovernmentSchemasModel.getSchemaId(
model.emergency_trusted_parties_schema);
JArray credentials = await getCredentialsArray("{\"schema_id\": \""
+ schemaId + "\"}");
List <string> secretOwners = new List <string>();
string min = "";
foreach (var cred in credentials)
{
if (cred["attrs"]["secret_issuer"].ToString() == issuer)
{
secretOwners.Add(cred["attrs"]["secret_owner"].ToString());
min = cred["attrs"]["min"].ToString();
}
}
if (secretOwners.Count == 0)
{
return("No trusted parties are know for " + issuer);
}
string output = "Trusted Parties of " + issuer + ":\n[\n";
foreach (string owner in secretOwners)
{
output += owner + ",\n";
}
output += "A minimum of " + min + " shared secrets is required to reconstruct the original secret.";
return(output);
}
