public byte[] generatePKCS12Data(Password password) throws Exception {
debug("Generating PKCS #12 data");
CryptoManager cm = CryptoManager.getInstance();
CryptoToken token = cm.getInternalKeyStorageToken();
CryptoStore store = token.getCryptoStore();
X509Certificate[] certs = store.getCertificates();
SEQUENCE encSafeContents = new SEQUENCE();
SEQUENCE safeContents = new SEQUENCE();
for (int i = 0; i < certs.length; i++) {
String nickname = certs[i].getNickname();
debug(" * Certificate: " + nickname);
try {
org.mozilla.jss.crypto.PrivateKey prikey = cm.findPrivKeyByCert(certs[i]);
debug(" Private key exists");
byte localKeyId[] = addCertBag(certs[i], nickname, safeContents);
addKeyBag(prikey, certs[i], password, localKeyId, encSafeContents);
} catch (org.mozilla.jss.crypto.ObjectNotFoundException e) {
debug(" Private key does not exist");
addCertBag(certs[i], null, safeContents);
}
}
AuthenticatedSafes authSafes = new AuthenticatedSafes();
authSafes.addSafeContents(safeContents);
authSafes.addSafeContents(encSafeContents);
PFX pfx = new PFX(authSafes);
pfx.computeMacData(password, null, 5);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
pfx.encode(bos);
return bos.toByteArray();
}
public static void main(String[] args) {
try {
// Read arguments
if (args.length != 3) {
System.out.println("Usage: PFX <dbdir> <infile> <outfile>");
System.exit(-1);
}
// open input file for reading
FileInputStream infile = null;
try {
infile = new FileInputStream(args[1]);
} catch (FileNotFoundException f) {
System.out.println("Cannot open file " + args[1] + " for reading: " + f.getMessage());
return;
}
int certfile = 0;
// initialize CryptoManager. This is necessary because there is
// crypto involved with decoding a PKCS #12 file
CryptoManager.initialize(args[0]);
CryptoManager manager = CryptoManager.getInstance();
// Decode the P12 file
PFX.Template pfxt = new PFX.Template();
PFX pfx = (PFX) pfxt.decode(new BufferedInputStream(infile, 2048));
System.out.println("Decoded PFX");
// print out information about the top-level PFX structure
System.out.println("Version: " + pfx.getVersion());
AuthenticatedSafes authSafes = pfx.getAuthSafes();
SEQUENCE safeContentsSequence = authSafes.getSequence();
System.out.println("AuthSafes has " + safeContentsSequence.size() + " SafeContents");
// Get the password for the old file
System.out.println("Enter password: "******"Enter new password:"******"AuthSafes verifies correctly.");
} else {
System.out.println("AuthSafes failed to verify because: " + sb);
}
// Create a new AuthenticatedSafes. As we read the contents of the
// old authSafes, we will store them into the new one. After we have
// cycled through all the contents, they will all have been copied into
// the new authSafes.
AuthenticatedSafes newAuthSafes = new AuthenticatedSafes();
// Loop over contents of the old authenticated safes
// for(int i=0; i < asSeq.size(); i++) {
for (int i = 0; i < safeContentsSequence.size(); i++) {
// The safeContents may or may not be encrypted. We always send
// the password in. It will get used if it is needed. If the
// decryption of the safeContents fails for some reason (like
// a bad password), then this method will throw an exception
SEQUENCE safeContents = authSafes.getSafeContentsAt(pass, i);
System.out.println("\n\nSafeContents #" + i + " has " + safeContents.size() + " bags");
// Go through all the bags in this SafeContents
for (int j = 0; j < safeContents.size(); j++) {
SafeBag safeBag = (SafeBag) safeContents.elementAt(j);
// The type of the bag is an OID
System.out.println("\nBag " + j + " has type " + safeBag.getBagType());
// look for bag attributes
SET attribs = safeBag.getBagAttributes();
if (attribs == null) {
System.out.println("Bag has no attributes");
} else {
for (int b = 0; b < attribs.size(); b++) {
Attribute a = (Attribute) attribs.elementAt(b);
if (a.getType().equals(SafeBag.FRIENDLY_NAME)) {
// the friendly name attribute is a nickname
BMPString bs =
(BMPString)
((ANY) a.getValues().elementAt(0)).decodeWith(BMPString.getTemplate());
System.out.println("Friendly Name: " + bs);
} else if (a.getType().equals(SafeBag.LOCAL_KEY_ID)) {
// the local key id is used to match a key
// to its cert. The key id is the SHA-1 hash of
// the DER-encoded cert.
OCTET_STRING os =
(OCTET_STRING)
((ANY) a.getValues().elementAt(0)).decodeWith(OCTET_STRING.getTemplate());
System.out.println("LocalKeyID:");
/*
AuthenticatedSafes.
print_byte_array(os.toByteArray());
*/
} else {
System.out.println("Unknown attribute type: " + a.getType().toString());
}
}
}
// now look at the contents of the bag
ASN1Value val = safeBag.getInterpretedBagContent();
if (val instanceof PrivateKeyInfo) {
// A PrivateKeyInfo contains an unencrypted private key
System.out.println("content is PrivateKeyInfo");
} else if (val instanceof EncryptedPrivateKeyInfo) {
// An EncryptedPrivateKeyInfo is, well, an encrypted
// PrivateKeyInfo. Usually, strong crypto is used in
// an EncryptedPrivateKeyInfo.
EncryptedPrivateKeyInfo epki = ((EncryptedPrivateKeyInfo) val);
System.out.println(
"content is EncryptedPrivateKeyInfo, algoid:"
+ epki.getEncryptionAlgorithm().getOID());
// Because we are in a PKCS #12 file, the passwords are
// char-to-byte converted in a special way. We have to
// use the special converter class instead of the default.
PrivateKeyInfo pki = epki.decrypt(pass, new org.mozilla.jss.pkcs12.PasswordConverter());
// import the key into the key3.db
CryptoToken tok = manager.getTokenByName("Internal Key Storage Token");
CryptoStore store = tok.getCryptoStore();
tok.login(new ConsolePasswordCallback());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
pki.encode(baos);
store.importPrivateKey(baos.toByteArray(), PrivateKey.RSA);
// re-encrypt the PrivateKeyInfo with the new password
// and random salt
byte[] salt = new byte[PBEAlgorithm.PBE_SHA1_DES3_CBC.getSaltLength()];
JSSSecureRandom rand = CryptoManager.getInstance().getSecureRNG();
rand.nextBytes(salt);
epki =
EncryptedPrivateKeyInfo.createPBE(
PBEAlgorithm.PBE_SHA1_DES3_CBC, newPass, salt, 1, new PasswordConverter(), pki);
// Overwrite the previous EncryptedPrivateKeyInfo with
// this new one we just created using the new password.
// This is what will get put in the new PKCS #12 file
// we are creating.
safeContents.insertElementAt(
new SafeBag(safeBag.getBagType(), epki, safeBag.getBagAttributes()), i);
safeContents.removeElementAt(i + 1);
} else if (val instanceof CertBag) {
System.out.println("content is CertBag");
CertBag cb = (CertBag) val;
if (cb.getCertType().equals(CertBag.X509_CERT_TYPE)) {
// this is an X.509 certificate
OCTET_STRING os = (OCTET_STRING) cb.getInterpretedCert();
Certificate cert =
(Certificate) ASN1Util.decode(Certificate.getTemplate(), os.toByteArray());
cert.getInfo().print(System.out);
} else {
System.out.println("Unrecognized cert type");
}
} else {
System.out.println("content is ANY");
}
}
// Add the new safe contents to the new authsafes
if (authSafes.safeContentsIsEncrypted(i)) {
newAuthSafes.addEncryptedSafeContents(
authSafes.DEFAULT_KEY_GEN_ALG,
newPass,
null,
authSafes.DEFAULT_ITERATIONS,
safeContents);
} else {
newAuthSafes.addSafeContents(safeContents);
}
}
// Create new PFX from the new authsafes
PFX newPfx = new PFX(newAuthSafes);
// Add a MAC to the new PFX
newPfx.computeMacData(newPass, null, PFX.DEFAULT_ITERATIONS);
// write the new PFX out to a file
FileOutputStream fos = new FileOutputStream(args[2]);
newPfx.encode(fos);
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
}