| private static VerifySignedData ( byte signedData, byte originalData, byte publicKeyBlob ) : bool | ||
| signedData | byte | A parameter represents the signed data which will be validate. |
| originalData | byte | A parameter represents the original data which is used to execute the validation. |
| publicKeyBlob | byte | A parameter represents the binaries data of the public key part of a unique key-pairs. |
| return | bool | |
private static bool VerifySignedData(byte[] signedData, byte[] originalData, byte[] publicKeyBlob)
{
if (null == signedData || 0 == signedData.Length)
{
throw new ArgumentNullException("signedData");
}
if (null == originalData || 0 == originalData.Length)
{
throw new ArgumentNullException("originalData");
}
if (null == publicKeyBlob || 0 == publicKeyBlob.Length)
{
throw new ArgumentNullException("publicKeyBlob");
}
using (RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider())
{
rsaProvider.ImportCspBlob(publicKeyBlob);
SHA256Managed sha = new SHA256Managed();
bool result = rsaProvider.VerifyData(originalData, sha, signedData);
sha.Dispose();
return result;
}
}
}