SMIMEEnvelopedParser m = new SMIMEEnvelopedParser(mp);
RecipientId recId = getRecipientId(_reciCert2);
RecipientInformationStore recipients = m.getRecipientInfos();
RecipientInformation recipient = recipients.get(recId);
FileBackedMimeBodyPart res = SMIMEUtil.toMimeBodyPart(recipient.getContentStream(_reciKP2.getPrivate(), "BC"));
verifyMessageBytes(_msg, res);
m = new SMIMEEnvelopedParser(mp);
res.dispose();
recId = getRecipientId(_reciCert);
recipients = m.getRecipientInfos();
recipient = recipients.get(recId);
res = SMIMEUtil.toMimeBodyPart(recipient.getContentStream(_reciKP.getPrivate(), "BC"));
verifyMessageBytes(_msg, res);