private bool ValidateSignature(byte[] encodedBytes, byte[] signature, SecurityKey key, string algorithm)
{
// in the case that a SignatureProviderFactory can handle nulls, just don't check here.
SignatureProvider signatureProvider = SignatureProviderFactory.CreateForVerifying(key, algorithm);
if (signatureProvider == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10636, key == null ? TextStrings.Null : key.ToString(), algorithm == null ? TextStrings.Null : algorithm));
}
return signatureProvider.Verify(encodedBytes, signature);
}
/// <summary>
/// Produces a readable string for a key, used in error messages.
/// </summary>
/// <param name="securityKey"></param>
/// <returns></returns>
private static string CreateKeyString(SecurityKey securityKey)
{
if (securityKey == null)
{
return "null";
}
else
{
return securityKey.ToString();
}
}