public static bool VerifySignedHash(string strDataToVerify, string strSignedData, string strPublicKeyFilePath)
{
var signedData = Convert.FromBase64String(strSignedData);
var byteConverter = new UTF8Encoding();
var dataToVerify = byteConverter.GetBytes(strDataToVerify);
try
{
var sPublicKeyPem = File.ReadAllText(strPublicKeyFilePath);
var rsa = new RSACryptoServiceProvider { PersistKeyInCsp = false };
rsa.LoadPublicKeyPem(sPublicKeyPem);
return rsa.VerifyData(dataToVerify, "SHA256", signedData);
}
catch (CryptographicException e)
{
Console.WriteLine(e.Message);
return false;
}
}