public override bool Equals(object obj)
{
AsymmetricKeyEntry other = obj as AsymmetricKeyEntry;
if (other == null)
{
return(false);
}
return(key.Equals(other.key));
}
public void DeleteEntry(
string alias)
{
if (alias == null)
{
throw new ArgumentNullException("alias");
}
AsymmetricKeyEntry k = (AsymmetricKeyEntry)keys[alias];
if (k != null)
{
keys.Remove(alias);
}
X509CertificateEntry c = (X509CertificateEntry)certs[alias];
if (c != null)
{
certs.Remove(alias);
chainCerts.Remove(new CertId(c.Certificate.GetPublicKey()));
}
if (k != null)
{
string id = (string)localIds[alias];
if (id != null)
{
localIds.Remove(alias);
c = (X509CertificateEntry)keyCerts[id];
}
if (c != null)
{
keyCerts.Remove(id);
chainCerts.Remove(new CertId(c.Certificate.GetPublicKey()));
}
}
if (c == null && k == null)
{
throw new ArgumentException("no such entry as " + alias);
}
}
public void Save(
Stream stream,
char[] password,
SecureRandom random)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (random == null)
{
throw new ArgumentNullException("random");
}
//
// handle the keys
//
Asn1EncodableVector keyBags = new Asn1EncodableVector();
foreach (string name in keys.Keys)
{
byte[] kSalt = new byte[SaltSize];
random.NextBytes(kSalt);
AsymmetricKeyEntry privKey = (AsymmetricKeyEntry)keys[name];
DerObjectIdentifier bagOid;
Asn1Encodable bagData;
if (password == null)
{
bagOid = PkcsObjectIdentifiers.KeyBag;
bagData = PrivateKeyInfoFactory.CreatePrivateKeyInfo(privKey.Key);
}
else
{
bagOid = PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag;
bagData = EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
keyAlgorithm, password, kSalt, MinIterations, privKey.Key);
}
Asn1EncodableVector kName = new Asn1EncodableVector();
foreach (string oid in privKey.BagAttributeKeys)
{
Asn1Encodable entry = privKey[oid];
// NB: Ignore any existing FriendlyName
if (oid.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName.Id))
{
continue;
}
kName.Add(
new DerSequence(
new DerObjectIdentifier(oid),
new DerSet(entry)));
}
//
// make sure we are using the local alias on store
//
// NB: We always set the FriendlyName based on 'name'
//if (privKey[PkcsObjectIdentifiers.Pkcs9AtFriendlyName] == null)
{
kName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(name))));
}
//
// make sure we have a local key-id
//
if (privKey[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null)
{
X509CertificateEntry ct = GetCertificate(name);
AsymmetricKeyParameter pubKey = ct.Certificate.GetPublicKey();
SubjectKeyIdentifier subjectKeyID = CreateSubjectKeyID(pubKey);
kName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(subjectKeyID)));
}
keyBags.Add(new SafeBag(bagOid, bagData.ToAsn1Object(), new DerSet(kName)));
}
byte[] keyBagsEncoding = new DerSequence(keyBags).GetDerEncoded();
ContentInfo keysInfo = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(keyBagsEncoding));
//
// certificate processing
//
byte[] cSalt = new byte[SaltSize];
random.NextBytes(cSalt);
Asn1EncodableVector certBags = new Asn1EncodableVector();
Pkcs12PbeParams cParams = new Pkcs12PbeParams(cSalt, MinIterations);
AlgorithmIdentifier cAlgId = new AlgorithmIdentifier(certAlgorithm, cParams.ToAsn1Object());
ISet doneCerts = new HashSet();
foreach (string name in keys.Keys)
{
X509CertificateEntry certEntry = GetCertificate(name);
CertBag cBag = new CertBag(
PkcsObjectIdentifiers.X509Certificate,
new DerOctetString(certEntry.Certificate.GetEncoded()));
Asn1EncodableVector fName = new Asn1EncodableVector();
foreach (string oid in certEntry.BagAttributeKeys)
{
Asn1Encodable entry = certEntry[oid];
// NB: Ignore any existing FriendlyName
if (oid.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName.Id))
{
continue;
}
fName.Add(
new DerSequence(
new DerObjectIdentifier(oid),
new DerSet(entry)));
}
//
// make sure we are using the local alias on store
//
// NB: We always set the FriendlyName based on 'name'
//if (certEntry[PkcsObjectIdentifiers.Pkcs9AtFriendlyName] == null)
{
fName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(name))));
}
//
// make sure we have a local key-id
//
if (certEntry[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null)
{
AsymmetricKeyParameter pubKey = certEntry.Certificate.GetPublicKey();
SubjectKeyIdentifier subjectKeyID = CreateSubjectKeyID(pubKey);
fName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(subjectKeyID)));
}
certBags.Add(new SafeBag(PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName)));
doneCerts.Add(certEntry.Certificate);
}
foreach (string certId in certs.Keys)
{
X509CertificateEntry cert = (X509CertificateEntry)certs[certId];
if (keys[certId] != null)
{
continue;
}
CertBag cBag = new CertBag(
PkcsObjectIdentifiers.X509Certificate,
new DerOctetString(cert.Certificate.GetEncoded()));
Asn1EncodableVector fName = new Asn1EncodableVector();
foreach (string oid in cert.BagAttributeKeys)
{
// a certificate not immediately linked to a key doesn't require
// a localKeyID and will confuse some PKCS12 implementations.
//
// If we find one, we'll prune it out.
if (oid.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID.Id))
{
continue;
}
Asn1Encodable entry = cert[oid];
// NB: Ignore any existing FriendlyName
if (oid.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName.Id))
{
continue;
}
fName.Add(
new DerSequence(
new DerObjectIdentifier(oid),
new DerSet(entry)));
}
//
// make sure we are using the local alias on store
//
// NB: We always set the FriendlyName based on 'certId'
//if (cert[PkcsObjectIdentifiers.Pkcs9AtFriendlyName] == null)
{
fName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(certId))));
}
certBags.Add(new SafeBag(PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName)));
doneCerts.Add(cert.Certificate);
}
foreach (CertId certId in chainCerts.Keys)
{
X509CertificateEntry cert = (X509CertificateEntry)chainCerts[certId];
if (doneCerts.Contains(cert.Certificate))
{
continue;
}
CertBag cBag = new CertBag(
PkcsObjectIdentifiers.X509Certificate,
new DerOctetString(cert.Certificate.GetEncoded()));
Asn1EncodableVector fName = new Asn1EncodableVector();
foreach (string oid in cert.BagAttributeKeys)
{
// a certificate not immediately linked to a key doesn't require
// a localKeyID and will confuse some PKCS12 implementations.
//
// If we find one, we'll prune it out.
if (oid.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID.Id))
{
continue;
}
fName.Add(
new DerSequence(
new DerObjectIdentifier(oid),
new DerSet(cert[oid])));
}
certBags.Add(new SafeBag(PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName)));
}
byte[] certBagsEncoding = new DerSequence(certBags).GetDerEncoded();
ContentInfo certsInfo;
if (password == null)
{
certsInfo = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(certBagsEncoding));
}
else
{
byte[] certBytes = CryptPbeData(true, cAlgId, password, false, certBagsEncoding);
EncryptedData cInfo = new EncryptedData(PkcsObjectIdentifiers.Data, cAlgId, new BerOctetString(certBytes));
certsInfo = new ContentInfo(PkcsObjectIdentifiers.EncryptedData, cInfo.ToAsn1Object());
}
ContentInfo[] info = new ContentInfo[] { keysInfo, certsInfo };
byte[] data = new AuthenticatedSafe(info).GetEncoded(
useDerEncoding ? Asn1Encodable.Der : Asn1Encodable.Ber);
ContentInfo mainInfo = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(data));
//
// create the mac
//
MacData macData = null;
if (password != null)
{
byte[] mSalt = new byte[20];
random.NextBytes(mSalt);
byte[] mac = CalculatePbeMac(OiwObjectIdentifiers.IdSha1,
mSalt, MinIterations, password, false, data);
AlgorithmIdentifier algId = new AlgorithmIdentifier(
OiwObjectIdentifiers.IdSha1, DerNull.Instance);
DigestInfo dInfo = new DigestInfo(algId, mac);
macData = new MacData(dInfo, mSalt, MinIterations);
}
//
// output the Pfx
//
Pfx pfx = new Pfx(mainInfo, macData);
DerOutputStream derOut;
if (useDerEncoding)
{
derOut = new DerOutputStream(stream);
}
else
{
derOut = new BerOutputStream(stream);
}
derOut.WriteObject(pfx);
}
public void Load(
Stream input,
char[] password)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
Asn1Sequence obj = (Asn1Sequence)Asn1Object.FromStream(input);
Pfx bag = new Pfx(obj);
ContentInfo info = bag.AuthSafe;
bool wrongPkcs12Zero = false;
if (password != null && bag.MacData != null) // check the mac code
{
MacData mData = bag.MacData;
DigestInfo dInfo = mData.Mac;
AlgorithmIdentifier algId = dInfo.AlgorithmID;
byte[] salt = mData.GetSalt();
int itCount = mData.IterationCount.IntValue;
byte[] data = ((Asn1OctetString)info.Content).GetOctets();
byte[] mac = CalculatePbeMac(algId.Algorithm, salt, itCount, password, false, data);
byte[] dig = dInfo.GetDigest();
if (!Arrays.ConstantTimeAreEqual(mac, dig))
{
if (password.Length > 0)
{
throw new IOException("PKCS12 key store MAC invalid - wrong password or corrupted file.");
}
// Try with incorrect zero length password
mac = CalculatePbeMac(algId.Algorithm, salt, itCount, password, true, data);
if (!Arrays.ConstantTimeAreEqual(mac, dig))
{
throw new IOException("PKCS12 key store MAC invalid - wrong password or corrupted file.");
}
wrongPkcs12Zero = true;
}
}
keys.Clear();
localIds.Clear();
unmarkedKeyEntry = null;
IList certBags = Platform.CreateArrayList();
if (info.ContentType.Equals(PkcsObjectIdentifiers.Data))
{
byte[] octs = ((Asn1OctetString)info.Content).GetOctets();
AuthenticatedSafe authSafe = new AuthenticatedSafe(
(Asn1Sequence)Asn1OctetString.FromByteArray(octs));
ContentInfo[] cis = authSafe.GetContentInfo();
foreach (ContentInfo ci in cis)
{
DerObjectIdentifier oid = ci.ContentType;
byte[] octets = null;
if (oid.Equals(PkcsObjectIdentifiers.Data))
{
octets = ((Asn1OctetString)ci.Content).GetOctets();
}
else if (oid.Equals(PkcsObjectIdentifiers.EncryptedData))
{
if (password != null)
{
EncryptedData d = EncryptedData.GetInstance(ci.Content);
octets = CryptPbeData(false, d.EncryptionAlgorithm,
password, wrongPkcs12Zero, d.Content.GetOctets());
}
}
else
{
// TODO Other data types
}
if (octets != null)
{
Asn1Sequence seq = (Asn1Sequence)Asn1Object.FromByteArray(octets);
foreach (Asn1Sequence subSeq in seq)
{
SafeBag b = new SafeBag(subSeq);
if (b.BagID.Equals(PkcsObjectIdentifiers.CertBag))
{
certBags.Add(b);
}
else if (b.BagID.Equals(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag))
{
LoadPkcs8ShroudedKeyBag(EncryptedPrivateKeyInfo.GetInstance(b.BagValue),
b.BagAttributes, password, wrongPkcs12Zero);
}
else if (b.BagID.Equals(PkcsObjectIdentifiers.KeyBag))
{
LoadKeyBag(PrivateKeyInfo.GetInstance(b.BagValue), b.BagAttributes);
}
else
{
// TODO Other bag types
}
}
}
}
}
certs.Clear();
chainCerts.Clear();
keyCerts.Clear();
foreach (SafeBag b in certBags)
{
CertBag certBag = new CertBag((Asn1Sequence)b.BagValue);
byte[] octets = ((Asn1OctetString)certBag.CertValue).GetOctets();
X509Certificate cert = new X509CertificateParser().ReadCertificate(octets);
//
// set the attributes
//
IDictionary attributes = Platform.CreateHashtable();
Asn1OctetString localId = null;
string alias = null;
if (b.BagAttributes != null)
{
foreach (Asn1Sequence sq in b.BagAttributes)
{
DerObjectIdentifier aOid = DerObjectIdentifier.GetInstance(sq[0]);
Asn1Set attrSet = Asn1Set.GetInstance(sq[1]);
if (attrSet.Count > 0)
{
// TODO We should be adding all attributes in the set
Asn1Encodable attr = attrSet[0];
// TODO We might want to "merge" attribute sets with
// the same OID - currently, differing values give an error
if (attributes.Contains(aOid.Id))
{
// OK, but the value has to be the same
if (!attributes[aOid.Id].Equals(attr))
{
throw new IOException("attempt to add existing attribute with different value");
}
}
else
{
attributes.Add(aOid.Id, attr);
}
if (aOid.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName))
{
alias = ((DerBmpString)attr).GetString();
}
else if (aOid.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID))
{
localId = (Asn1OctetString)attr;
}
}
}
}
CertId certId = new CertId(cert.GetPublicKey());
X509CertificateEntry certEntry = new X509CertificateEntry(cert, attributes);
chainCerts[certId] = certEntry;
if (unmarkedKeyEntry != null)
{
if (keyCerts.Count == 0)
{
string name = Hex.ToHexString(certId.Id);
keyCerts[name] = certEntry;
keys[name] = unmarkedKeyEntry;
}
}
else
{
if (localId != null)
{
string name = Hex.ToHexString(localId.GetOctets());
keyCerts[name] = certEntry;
}
if (alias != null)
{
// TODO There may have been more than one alias
certs[alias] = certEntry;
}
}
}
}
protected virtual void LoadKeyBag(PrivateKeyInfo privKeyInfo, Asn1Set bagAttributes)
{
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(privKeyInfo);
IDictionary attributes = Platform.CreateHashtable();
AsymmetricKeyEntry keyEntry = new AsymmetricKeyEntry(privKey, attributes);
string alias = null;
Asn1OctetString localId = null;
if (bagAttributes != null)
{
foreach (Asn1Sequence sq in bagAttributes)
{
DerObjectIdentifier aOid = DerObjectIdentifier.GetInstance(sq[0]);
Asn1Set attrSet = Asn1Set.GetInstance(sq[1]);
Asn1Encodable attr = null;
if (attrSet.Count > 0)
{
// TODO We should be adding all attributes in the set
attr = attrSet[0];
// TODO We might want to "merge" attribute sets with
// the same OID - currently, differing values give an error
if (attributes.Contains(aOid.Id))
{
// OK, but the value has to be the same
if (!attributes[aOid.Id].Equals(attr))
{
throw new IOException("attempt to add existing attribute with different value");
}
}
else
{
attributes.Add(aOid.Id, attr);
}
if (aOid.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName))
{
alias = ((DerBmpString)attr).GetString();
// TODO Do these in a separate loop, just collect aliases here
keys[alias] = keyEntry;
}
else if (aOid.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID))
{
localId = (Asn1OctetString)attr;
}
}
}
}
if (localId != null)
{
string name = Hex.ToHexString(localId.GetOctets());
if (alias == null)
{
keys[name] = keyEntry;
}
else
{
// TODO There may have been more than one alias
localIds[alias] = name;
}
}
else
{
unmarkedKeyEntry = keyEntry;
}
}
