public void testTwoRecipients() throws Exception {
MimeBodyPart _msg = SMIMETestUtil.makeMimeBodyPart("WallaWallaWashington");
SMIMEEnvelopedGenerator gen = new SMIMEEnvelopedGenerator();
gen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider(BC));
gen.addRecipientInfoGenerator(
new JceKeyTransRecipientInfoGenerator(_reciCert2).setProvider(BC));
//
// generate a MimeBodyPart object which encapsulates the content
// we want encrypted.
//
MimeBodyPart mp =
gen.generate(
_msg,
new JceCMSContentEncryptorBuilder(CMSAlgorithm.RC2_CBC, 40).setProvider(BC).build());
SMIMEEnvelopedParser m = new SMIMEEnvelopedParser(mp);
RecipientId recId = getRecipientId(_reciCert2);
RecipientInformationStore recipients = m.getRecipientInfos();
RecipientInformation recipient = recipients.get(recId);
FileBackedMimeBodyPart res =
SMIMEUtil.toMimeBodyPart(
recipient.getContentStream(
new JceKeyTransEnvelopedRecipient(_reciKP2.getPrivate()).setProvider(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(
new JceKeyTransEnvelopedRecipient(_reciKP.getPrivate()).setProvider(BC)));
verifyMessageBytes(_msg, res);
res.dispose();
}
private void verifyParserAlgorithm(String algorithmOid, MimeBodyPart msg) throws Exception {
SMIMEEnvelopedGenerator gen = new SMIMEEnvelopedGenerator();
gen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider(BC));
//
// generate a MimeBodyPart object which encapsulates the content
// we want encrypted.
//
MimeBodyPart mp =
gen.generate(
msg,
new JceCMSContentEncryptorBuilder(new ASN1ObjectIdentifier(algorithmOid))
.setProvider(BC)
.build());
SMIMEEnvelopedParser m = new SMIMEEnvelopedParser(mp);
RecipientId recId = getRecipientId(_reciCert);
RecipientInformationStore recipients = m.getRecipientInfos();
RecipientInformation recipient = recipients.get(recId);
MimeBodyPart res =
SMIMEUtil.toMimeBodyPart(
recipient.getContent(
new JceKeyTransEnvelopedRecipient(_reciKP.getPrivate()).setProvider(BC)));
verifyMessageBytes(msg, res);
}
public void testSubKeyId() throws Exception {
MimeBodyPart msg = SMIMETestUtil.makeMimeBodyPart("WallaWallaWashington");
SMIMEEnvelopedGenerator gen = new SMIMEEnvelopedGenerator();
//
// create a subject key id - this has to be done the same way as
// it is done in the certificate associated with the private key
//
MessageDigest dig = MessageDigest.getInstance("SHA1", BC);
dig.update(
SubjectPublicKeyInfo.getInstance(_reciCert.getPublicKey().getEncoded())
.getPublicKeyData()
.getBytes());
gen.addRecipientInfoGenerator(
new JceKeyTransRecipientInfoGenerator(dig.digest(), _reciCert.getPublicKey())
.setProvider(BC));
//
// generate a MimeBodyPart object which encapsulates the content
// we want encrypted.
//
MimeBodyPart mp =
gen.generate(
msg,
new JceCMSContentEncryptorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build());
SMIMEEnveloped m = new SMIMEEnveloped(mp);
dig.update(
SubjectPublicKeyInfo.getInstance(_reciCert.getPublicKey().getEncoded())
.getPublicKeyData()
.getBytes());
RecipientId recId = new KeyTransRecipientId(dig.digest());
RecipientInformationStore recipients = m.getRecipientInfos();
RecipientInformation recipient = recipients.get(recId);
MimeBodyPart res =
SMIMEUtil.toMimeBodyPart(
recipient.getContent(
new JceKeyTransEnvelopedRecipient(_reciKP.getPrivate()).setProvider(BC)));
verifyMessageBytes(msg, res);
}
public void testHeaders() throws Exception {
MimeBodyPart msg = SMIMETestUtil.makeMimeBodyPart("WallaWallaWashington");
SMIMEEnvelopedGenerator gen = new SMIMEEnvelopedGenerator();
gen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider(BC));
//
// generate a MimeBodyPart object which encapsulates the content
// we want encrypted.
//
MimeBodyPart mp =
gen.generate(
msg,
new JceCMSContentEncryptorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build());
assertEquals(
"application/pkcs7-mime; name=\"smime.p7m\"; smime-type=enveloped-data",
mp.getHeader("Content-Type")[0]);
assertEquals("attachment; filename=\"smime.p7m\"", mp.getHeader("Content-Disposition")[0]);
assertEquals("S/MIME Encrypted Message", mp.getHeader("Content-Description")[0]);
}