{
byte[] data = new byte[] { 0, 1, 2, 3 };
CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();
edGen.addKeyTransRecipient(_reciCert);
CMSEnvelopedData ed = edGen.generate(
new CMSProcessableByteArray(data),
CMSEnvelopedDataGenerator.AES128_CBC, "BC");