protected byte[] DecryptOrderData(XPathHelper xph)
{
using (new MethodLogger(s_logger))
{
var encryptedOd = Convert.FromBase64String(xph.GetOrderData()?.Value);
if (!Enum.TryParse <CryptVersion>(xph.GetEncryptionPubKeyDigestVersion()?.Value,
out var transKeyEncVersion))
{
throw new DeserializationException(
string.Format("Encryption version {0} not supported",
xph.GetEncryptionPubKeyDigestVersion()?.Value), xph.Xml);
}
var encryptionPubKeyDigest = Convert.FromBase64String(xph.GetEncryptionPubKeyDigest()?.Value);
var encryptedTransKey = Convert.FromBase64String(xph.GetTransactionKey()?.Value);
var transKey = DecryptRsa(encryptedTransKey);
var decryptedOd = DecryptAES(encryptedOd, transKey);
if (!StructuralComparisons.StructuralEqualityComparer.Equals(Config.User.CryptKeys.Digest,
encryptionPubKeyDigest))
{
throw new DeserializationException("Wrong digest in xml", xph.Xml);
}
return(decryptedOd);
}
}
