public string CalculateTransactionHash()
{
string txStr = this.ClaimNumber + this.SettlementAmount + this.SettlementDate + this.CarRegistration +
this.Milage + this.ClaimType;
return(Convert.ToBase64String(_computeHash.ComputeHashSha256(Encoding.UTF8.GetBytes(txStr))));
}
public string CalculateBlockHash(string previousBlockHash)
{
//block header
var blockHeader = BlockNumber + CreatedDate.ToString(CultureInfo.InvariantCulture) +
PreviousBlockHash;
//get the json string of the data
//var blockDataJsonString = JsonConvert.SerializeObject(BlockData);
var combined = blockHeader + _merkleTree.RootNode;
if (KeyStore == null)
{
return(Convert.ToBase64String(_computeHash.ComputeHashSha256(Encoding.UTF8.GetBytes(combined))));
}
return(Convert.ToBase64String(HMAC.ComputeHmacsha256(Encoding.UTF8.GetBytes(combined), KeyStore.AuthenticatedHashKey)));
}
