/**
* Checks if the signature is valid (transaction has not been tampered with).
* It uses the fromAddress as the public key.
*
* @returns {boolean}
*/
public bool IsValid()
{
try
{
if (this.signature == null)
{
return(false);
}
if (this.signature.Length == 0)
{
return(false);
}
// check the fromAccount is the signingKey
string error;
if (!CryptoKeyUtility.IsValidSignature(signature, encryptKey, initVector, fromAccount, out error))
{
return(false);
}
return(true);
}
catch
{
return(false);
}
}
