public void save(Stream stream, char[] password, SecureRandom random)
{
if (password == null)
{
throw new ArgumentException("No password supplied for PKCS12Store.");
}
ContentInfo[] c = new ContentInfo[2];
//
// handle the key
//
ASN1EncodableVector keyS = new ASN1EncodableVector();
IEnumerator ks = keys.Keys.GetEnumerator();
while (ks.MoveNext())
{
byte[] kSalt = new byte[saltSize];
random.nextBytes(kSalt);
String name = (String)ks.Current;
AsymmetricKeyEntry privKey = (AsymmetricKeyEntry)keys[name];
EncryptedPrivateKeyInfo kInfo = EncryptedPrivateKeyInfoFactory.createEncryptedPrivateKeyInfo(keyAlgorithm, password, kSalt, minIterations, privKey.getKey());
ASN1EncodableVector kName = new ASN1EncodableVector();
IEnumerator e = privKey.getBagAttributeKeys();
while (e.MoveNext())
{
String oid = (String)e.Current;
ASN1EncodableVector kSeq = new ASN1EncodableVector();
kSeq.add(new DERObjectIdentifier(oid));
kSeq.add(new DERSet(privKey.getBagAttribute(new DERObjectIdentifier(oid))));
kName.add(new DERSequence(kSeq));
}
//
// make sure we have a local key-id
//
if (privKey.getBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId) == null)
{
ASN1EncodableVector kSeq = new ASN1EncodableVector();
X509CertificateEntry ct = getCertificate(name);
kSeq.add(PKCSObjectIdentifiers.pkcs_9_at_localKeyId);
kSeq.add(new DERSet(new SubjectKeyIdentifier(SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(ct.getCertificate().getPublicKey()))));
kName.add(new DERSequence(kSeq));
}
//
// make sure we are using the local alias on store
//
DERBMPString nm = (DERBMPString)privKey.getBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName);
if (nm == null || !nm.getString().Equals(name))
{
ASN1EncodableVector kSeq = new ASN1EncodableVector();
kSeq.add(PKCSObjectIdentifiers.pkcs_9_at_friendlyName);
kSeq.add(new DERSet(new DERBMPString(name)));
kName.add(new DERSequence(kSeq));
}
SafeBag kBag = new SafeBag(PKCSObjectIdentifiers.pkcs8ShroudedKeyBag, kInfo.toASN1Object(), new DERSet(kName));
keyS.add(kBag);
}
MemoryStream bOut = new MemoryStream();
DEROutputStream dOut = new DEROutputStream(bOut);
dOut.writeObject(new DERSequence(keyS));
BEROctetString keyString = new BEROctetString(bOut.ToArray());
//
// certficate processing
//
byte[] cSalt = new byte[saltSize];
random.nextBytes(cSalt);
ASN1EncodableVector certSeq = new ASN1EncodableVector();
PKCS12PBEParams cParams = new PKCS12PBEParams(cSalt, minIterations);
AlgorithmIdentifier cAlgId = new AlgorithmIdentifier(certAlgorithm, cParams.toASN1Object());
Hashtable doneCerts = new Hashtable();
IEnumerator cs = keys.Keys.GetEnumerator();
while (cs.MoveNext())
{
try
{
String name = (String)cs.Current;
X509CertificateEntry cert = getCertificate(name);
CertBag cBag = new CertBag(
PKCSObjectIdentifiers.x509certType,
new DEROctetString(cert.getCertificate().getEncoded()));
ASN1EncodableVector fName = new ASN1EncodableVector();
IEnumerator e = cert.getBagAttributeKeys();
while (e.MoveNext())
{
String oid = (String)e.Current;
ASN1EncodableVector fSeq = new ASN1EncodableVector();
fSeq.add(new DERObjectIdentifier(oid));
fSeq.add(new DERSet(cert.getBagAttribute(new DERObjectIdentifier(oid))));
fName.add(new DERSequence(fSeq));
}
//
// make sure we are using the local alias on store
//
DERBMPString nm = (DERBMPString)cert.getBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName);
if (nm == null || !nm.getString().Equals(name))
{
ASN1EncodableVector fSeq = new ASN1EncodableVector();
fSeq.add(PKCSObjectIdentifiers.pkcs_9_at_friendlyName);
fSeq.add(new DERSet(new DERBMPString(name)));
fName.add(new DERSequence(fSeq));
}
//
// make sure we have a local key-id
//
if (cert.getBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId) == null)
{
ASN1EncodableVector fSeq = new ASN1EncodableVector();
fSeq.add(PKCSObjectIdentifiers.pkcs_9_at_localKeyId);
fSeq.add(new DERSet(new SubjectKeyIdentifier(SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(cert.getCertificate().getPublicKey()))));
fName.add(new DERSequence(fSeq));
}
SafeBag sBag = new SafeBag(PKCSObjectIdentifiers.certBag, cBag.toASN1Object(), new DERSet(fName));
certSeq.add(sBag);
doneCerts.Add(cert, cert);
}
catch (Exception e)
{
throw new Exception("Error encoding certificate: " + e.Message);
}
}
cs = certs.Keys.GetEnumerator();
while (cs.MoveNext())
{
try
{
String certId = (String)cs.Current;
X509CertificateEntry cert = (X509CertificateEntry)certs[certId];
if (keys[certId] != null)
{
continue;
}
CertBag cBag = new CertBag(
PKCSObjectIdentifiers.x509certType,
new DEROctetString(cert.getCertificate().getEncoded()));
ASN1EncodableVector fName = new ASN1EncodableVector();
IEnumerator e = cert.getBagAttributeKeys();
while (e.MoveNext())
{
String oid = (String)e.Current;
ASN1EncodableVector fSeq = new ASN1EncodableVector();
fSeq.add(new DERObjectIdentifier(oid));
fSeq.add(new DERSet(cert.getBagAttribute(new DERObjectIdentifier(oid))));
fName.add(new DERSequence(fSeq));
}
//
// make sure we are using the local alias on store
//
DERBMPString nm = (DERBMPString)cert.getBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName);
if (nm == null || !nm.getString().Equals(certId))
{
ASN1EncodableVector fSeq = new ASN1EncodableVector();
fSeq.add(PKCSObjectIdentifiers.pkcs_9_at_friendlyName);
fSeq.add(new DERSet(new DERBMPString(certId)));
fName.add(new DERSequence(fSeq));
}
SafeBag sBag = new SafeBag(PKCSObjectIdentifiers.certBag, cBag.toASN1Object(), new DERSet(fName));
certSeq.add(sBag);
doneCerts.Add(cert, cert);
}
catch (Exception e)
{
throw new Exception("Error encoding certificate: " + e.Message);
}
}
cs = chainCerts.Keys.GetEnumerator();
while (cs.MoveNext())
{
try
{
CertId certId = (CertId)cs.Current;
X509CertificateEntry cert = (X509CertificateEntry)chainCerts[certId];
if (doneCerts[cert] != null)
{
continue;
}
CertBag cBag = new CertBag(
PKCSObjectIdentifiers.x509certType,
new DEROctetString(cert.getCertificate().getEncoded()));
ASN1EncodableVector fName = new ASN1EncodableVector();
IEnumerator e = cert.getBagAttributeKeys();
while (e.MoveNext())
{
DERObjectIdentifier oid = (DERObjectIdentifier)e.Current;
ASN1EncodableVector fSeq = new ASN1EncodableVector();
fSeq.add(oid);
fSeq.add(new DERSet(cert.getBagAttribute(oid)));
fName.add(new DERSequence(fSeq));
}
SafeBag sBag = new SafeBag(PKCSObjectIdentifiers.certBag, cBag.toASN1Object(), new DERSet(fName));
certSeq.add(sBag);
}
catch (Exception e)
{
throw new Exception("Error encoding certificate: " + e.Message);
}
}
bOut = new MemoryStream();
dOut = new DEROutputStream(bOut);
dOut.writeObject(new DERSequence(certSeq));
dOut.Close();
byte[] certBytes = encryptData(new AlgorithmIdentifier(certAlgorithm, cParams), bOut.ToArray(), password);
EncryptedData cInfo = new EncryptedData(PKCSObjectIdentifiers.data, cAlgId, new BEROctetString(certBytes));
c[0] = new ContentInfo(PKCSObjectIdentifiers.data, keyString);
c[1] = new ContentInfo(PKCSObjectIdentifiers.encryptedData, cInfo.toASN1Object());
AuthenticatedSafe auth = new AuthenticatedSafe(c);
bOut = new MemoryStream();
BEROutputStream berOut = new BEROutputStream(bOut);
berOut.writeObject(auth);
byte[] pkg = bOut.ToArray();
ContentInfo mainInfo = new ContentInfo(PKCSObjectIdentifiers.data, new BEROctetString(pkg));
//
// create the mac
//
byte[] mSalt = new byte[20];
int itCount = minIterations;
random.nextBytes(mSalt);
byte[] data = ((ASN1OctetString)mainInfo.getContent()).getOctets();
MacData mData = null;
try
{
ASN1Encodable parameters = PBEUtil.generateAlgorithmParameters(OIWObjectIdentifiers.id_SHA1, mSalt, itCount);
CipherParameters keyParameters = PBEUtil.generateCipherParameters(OIWObjectIdentifiers.id_SHA1, password, parameters);
Mac mac = (Mac)PBEUtil.createEngine(OIWObjectIdentifiers.id_SHA1);
mac.init(keyParameters);
mac.update(data, 0, data.Length);
byte[] res = new byte[mac.getMacSize()];
mac.doFinal(res, 0);
AlgorithmIdentifier algId = new AlgorithmIdentifier(OIWObjectIdentifiers.id_SHA1, new DERNull());
DigestInfo dInfo = new DigestInfo(algId, res);
mData = new MacData(dInfo, mSalt, itCount);
}
catch (Exception e)
{
throw new Exception("error constructing MAC: " + e.Message);
}
//
// output the Pfx
//
Pfx pfx = new Pfx(mainInfo, mData);
berOut = new BEROutputStream(stream);
berOut.writeObject(pfx);
}
public PKCS12Store(
Stream input,
char[] password)
{
if (password == null)
{
throw new ArgumentException("No password supplied for PKCS12Store.");
}
ASN1InputStream bIn = new ASN1InputStream(input);
ASN1Sequence obj = (ASN1Sequence)bIn.readObject();
Pfx bag = new Pfx(obj);
ContentInfo info = bag.getAuthSafe();
ArrayList chain = new ArrayList();
bool unmarkedKey = false;
if (bag.getMacData() != null) // check the mac code
{
MemoryStream bOut = new MemoryStream();
BEROutputStream berOut = new BEROutputStream(bOut);
MacData mData = bag.getMacData();
DigestInfo dInfo = mData.getMac();
AlgorithmIdentifier algId = dInfo.getAlgorithmId();
byte[] salt = mData.getSalt();
int itCount = mData.getIterationCount().intValue();
berOut.writeObject(info);
byte[] data = ((ASN1OctetString)info.getContent()).getOctets();
try
{
ASN1Encodable parameters = PBEUtil.generateAlgorithmParameters(algId.getObjectId(), mData.getSalt(), mData.getIterationCount().intValue());
CipherParameters keyParameters = PBEUtil.generateCipherParameters(algId.getObjectId(), password, parameters);
Mac mac = (Mac)PBEUtil.createEngine(algId.getObjectId());
mac.init(keyParameters);
mac.update(data, 0, data.Length);
byte[] res = new byte[mac.getMacSize()];
mac.doFinal(res, 0);
byte[] dig = dInfo.getDigest();
if (res.Length != dig.Length)
{
throw new Exception("PKCS12 key store mac invalid - wrong password or corrupted file.");
}
for (int i = 0; i != res.Length; i++)
{
if (res[i] != dig[i])
{
throw new Exception("PKCS12 key store mac invalid - wrong password or corrupted file.");
}
}
}
catch (Exception e)
{
throw new Exception("error constructing MAC: " + e.Message);
}
}
keys = new Hashtable();
localIds = new Hashtable();
if (info.getContentType().Equals(PKCSObjectIdentifiers.data))
{
bIn = new ASN1InputStream(new MemoryStream(((ASN1OctetString)info.getContent()).getOctets()));
AuthenticatedSafe authSafe = new AuthenticatedSafe((ASN1Sequence)bIn.readObject());
ContentInfo[] c = authSafe.getContentInfo();
for (int i = 0; i != c.Length; i++)
{
if (c[i].getContentType().Equals(PKCSObjectIdentifiers.data))
{
ASN1InputStream dIn = new ASN1InputStream(new MemoryStream(((ASN1OctetString)c[i].getContent()).getOctets()));
ASN1Sequence seq = (ASN1Sequence)dIn.readObject();
for (int j = 0; j != seq.size(); j++)
{
SafeBag b = new SafeBag((ASN1Sequence)seq.getObjectAt(j));
if (b.getBagId().Equals(PKCSObjectIdentifiers.pkcs8ShroudedKeyBag))
{
EncryptedPrivateKeyInfo eIn = EncryptedPrivateKeyInfo.getInstance(b.getBagValue());
PrivateKeyInfo privInfo = PrivateKeyInfoFactory.createPrivateKeyInfo(password, eIn);
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(privInfo);
//
// set the attributes on the key
//
Hashtable attributes = new Hashtable();
AsymmetricKeyEntry pkcs12Key = new AsymmetricKeyEntry(privKey, attributes);
String alias = null;
ASN1OctetString localId = null;
if (b.getBagAttributes() != null)
{
IEnumerator e = b.getBagAttributes().getObjects();
while (e.MoveNext())
{
ASN1Sequence sq = (ASN1Sequence)e.Current;
DERObjectIdentifier aOid = (DERObjectIdentifier)sq.getObjectAt(0);
ASN1Set attrSet = (ASN1Set)sq.getObjectAt(1);
ASN1Encodable attr = null;
if (attrSet.size() > 0)
{
attr = attrSet.getObjectAt(0);
attributes.Add(aOid.getId(), attr);
}
if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_friendlyName))
{
alias = ((DERBMPString)attr).getString();
keys.Add(alias, pkcs12Key);
}
else if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId))
{
localId = (ASN1OctetString)attr;
}
}
}
if (localId != null)
{
String name = byteArrayToString(Hex.encode(localId.getOctets()));
if (alias == null)
{
keys.Add(name, pkcs12Key);
}
else
{
localIds.Add(alias, name);
}
}
else
{
unmarkedKey = true;
keys.Add("unmarked", privKey);
}
}
else if (b.getBagId().Equals(PKCSObjectIdentifiers.certBag))
{
chain.Add(b);
}
else
{
Console.WriteLine("extra " + b.getBagId());
Console.WriteLine("extra " + ASN1Dump.dumpAsString(b));
}
}
}
else if (c[i].getContentType().Equals(PKCSObjectIdentifiers.encryptedData))
{
EncryptedData d = new EncryptedData((ASN1Sequence)c[i].getContent());
ASN1Sequence seq = decryptData(d.getEncryptionAlgorithm(), d.getContent().getOctets(), password);
for (int j = 0; j != seq.size(); j++)
{
SafeBag b = new SafeBag((ASN1Sequence)seq.getObjectAt(j));
if (b.getBagId().Equals(PKCSObjectIdentifiers.certBag))
{
chain.Add(b);
}
else if (b.getBagId().Equals(PKCSObjectIdentifiers.pkcs8ShroudedKeyBag))
{
EncryptedPrivateKeyInfo eIn = EncryptedPrivateKeyInfo.getInstance(b.getBagValue());
PrivateKeyInfo privInfo = PrivateKeyInfoFactory.createPrivateKeyInfo(password, eIn);
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(privInfo);
//
// set the attributes on the key
//
Hashtable attributes = new Hashtable();
AsymmetricKeyEntry pkcs12Key = new AsymmetricKeyEntry(privKey, attributes);
String alias = null;
ASN1OctetString localId = null;
IEnumerator e = b.getBagAttributes().getObjects();
while (e.MoveNext())
{
ASN1Sequence sq = (ASN1Sequence)e.Current;
DERObjectIdentifier aOid = (DERObjectIdentifier)sq.getObjectAt(0);
ASN1Set attrSet = (ASN1Set)sq.getObjectAt(1);
ASN1Encodable attr = null;
if (attrSet.size() > 0)
{
attr = attrSet.getObjectAt(0);
attributes.Add(aOid.getId(), attr);
}
if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_friendlyName))
{
alias = ((DERBMPString)attr).getString();
keys.Add(alias, pkcs12Key);
}
else if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId))
{
localId = (ASN1OctetString)attr;
}
}
String name = byteArrayToString(Hex.encode(localId.getOctets()));
if (alias == null)
{
keys.Add(name, pkcs12Key);
}
else
{
localIds.Add(alias, name);
}
}
else if (b.getBagId().Equals(PKCSObjectIdentifiers.keyBag))
{
PrivateKeyInfo pIn = PrivateKeyInfo.getInstance(b.getBagValue());
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(pIn);
//
// set the attributes on the key
//
String alias = null;
ASN1OctetString localId = null;
Hashtable attributes = new Hashtable();
AsymmetricKeyEntry pkcs12Key = new AsymmetricKeyEntry(privKey, attributes);
IEnumerator e = b.getBagAttributes().getObjects();
while (e.MoveNext())
{
ASN1Sequence sq = (ASN1Sequence)e.Current;
DERObjectIdentifier aOid = (DERObjectIdentifier)sq.getObjectAt(0);
ASN1Set attrSet = (ASN1Set)sq.getObjectAt(1);
ASN1Encodable attr = null;
if (attrSet.size() > 0)
{
attr = attrSet.getObjectAt(0);
attributes.Add(aOid.getId(), attr);
}
if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_friendlyName))
{
alias = ((DERBMPString)attr).getString();
keys.Add(alias, pkcs12Key);
}
else if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId))
{
localId = (ASN1OctetString)attr;
}
}
String name = byteArrayToString(Hex.encode(localId.getOctets()));
if (alias == null)
{
keys.Add(name, pkcs12Key);
}
else
{
localIds.Add(alias, name);
}
}
else
{
Console.WriteLine("extra " + b.getBagId());
Console.WriteLine("extra " + ASN1Dump.dumpAsString(b));
}
}
}
else
{
Console.WriteLine("extra " + c[i].getContentType().getId());
Console.WriteLine("extra " + ASN1Dump.dumpAsString(c[i].getContent()));
}
}
}
certs = new Hashtable();
chainCerts = new Hashtable();
keyCerts = new Hashtable();
for (int i = 0; i != chain.Count; i++)
{
SafeBag b = (SafeBag)chain[i];
CertBag cb = new CertBag((ASN1Sequence)b.getBagValue());
X509Certificate cert = new X509Certificate(((ASN1OctetString)cb.getCertValue()).getOctets());
//
// set the attributes
//
Hashtable attributes = new Hashtable();
X509CertificateEntry pkcs12cert = new X509CertificateEntry(cert, attributes);
ASN1OctetString localId = null;
String alias = null;
if (b.getBagAttributes() != null)
{
IEnumerator e = b.getBagAttributes().getObjects();
while (e.MoveNext())
{
ASN1Sequence sq = (ASN1Sequence)e.Current;
DERObjectIdentifier aOid = (DERObjectIdentifier)sq.getObjectAt(0);
ASN1Set attrSet = (ASN1Set)sq.getObjectAt(1);
if (attrSet.size() > 0)
{
ASN1Encodable attr = attrSet.getObjectAt(0);
attributes.Add(aOid.getId(), attr);
if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_friendlyName))
{
alias = ((DERBMPString)attr).getString();
}
else if (aOid.Equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId))
{
localId = (ASN1OctetString)attr;
}
}
}
}
chainCerts.Add(new CertId(cert.getPublicKey()), pkcs12cert);
if (unmarkedKey)
{
if (keyCerts.Count == 0)
{
String name = byteArrayToString(Hex.encode(new SubjectKeyIdentifier(SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(cert.getPublicKey())).getKeyIdentifier()));
keyCerts.Add(name, pkcs12cert);
keys.Add(name, keys["unmarked"]);
keys.Remove("unmarked");
}
}
else
{
if (alias == null)
{
if (localId != null)
{
String name = byteArrayToString(Hex.encode(localId.getOctets()));
keyCerts.Add(name, pkcs12cert);
}
}
else
{
certs.Add(alias, pkcs12cert);
}
}
}
}