|
static private CalculatePbeMac ( |
||
| oid | ||
| salt | byte | |
| itCount | int | |
| password | char | |
| wrongPkcs12Zero | bool | |
| data | byte | |
| return | byte[] | |
public static byte[] ConvertToDefiniteLength(byte[] berPkcs12File, char[] passwd)
{
//IL_00e8: Unknown result type (might be due to invalid IL or missing references)
Pfx pfx = new Pfx(Asn1Sequence.GetInstance(Asn1Object.FromByteArray(berPkcs12File)));
ContentInfo authSafe = pfx.AuthSafe;
Asn1OctetString instance = Asn1OctetString.GetInstance(authSafe.Content);
Asn1Object asn1Object = Asn1Object.FromByteArray(instance.GetOctets());
authSafe = new ContentInfo(authSafe.ContentType, new DerOctetString(asn1Object.GetEncoded("DER")));
MacData macData = pfx.MacData;
try
{
int intValue = macData.IterationCount.IntValue;
byte[] octets = Asn1OctetString.GetInstance(authSafe.Content).GetOctets();
byte[] digest = Pkcs12Store.CalculatePbeMac(macData.Mac.AlgorithmID.Algorithm, macData.GetSalt(), intValue, passwd, wrongPkcs12Zero: false, octets);
AlgorithmIdentifier algID = new AlgorithmIdentifier(macData.Mac.AlgorithmID.Algorithm, DerNull.Instance);
DigestInfo digInfo = new DigestInfo(algID, digest);
macData = new MacData(digInfo, macData.GetSalt(), intValue);
}
catch (global::System.Exception ex)
{
throw new IOException("error constructing MAC: " + ex.ToString());
}
pfx = new Pfx(authSafe, macData);
return(pfx.GetEncoded("DER"));
}
public static byte[] ConvertToDefiniteLength(byte[] berPkcs12File, char[] passwd)
{
Pfx pfx = new Pfx(Asn1Sequence.GetInstance(Asn1Object.FromByteArray(berPkcs12File)));
ContentInfo contentInfo = pfx.AuthSafe;
Asn1OctetString instance = Asn1OctetString.GetInstance(contentInfo.Content);
Asn1Object asn1Object = Asn1Object.FromByteArray(instance.GetOctets());
contentInfo = new ContentInfo(contentInfo.ContentType, new DerOctetString(asn1Object.GetEncoded("DER")));
MacData macData = pfx.MacData;
try
{
int intValue = macData.IterationCount.IntValue;
byte[] octets = Asn1OctetString.GetInstance(contentInfo.Content).GetOctets();
byte[] digest = Pkcs12Store.CalculatePbeMac(macData.Mac.AlgorithmID.ObjectID, macData.GetSalt(), intValue, passwd, false, octets);
AlgorithmIdentifier algID = new AlgorithmIdentifier(macData.Mac.AlgorithmID.ObjectID, DerNull.Instance);
DigestInfo digInfo = new DigestInfo(algID, digest);
macData = new MacData(digInfo, macData.GetSalt(), intValue);
}
catch (Exception ex)
{
throw new IOException("error constructing MAC: " + ex.ToString());
}
pfx = new Pfx(contentInfo, macData);
return(pfx.GetEncoded("DER"));
}
/**
* Re-encode the PKCS#12 structure to definite length encoding at the inner layer
* as well, recomputing the MAC accordingly.
*
* @param berPKCS12File - original PKCS12 file.
* @param provider - provider to use for MAC calculation.
* @return a byte array representing the DER encoding of the PFX structure.
* @throws IOException on parsing, encoding errors.
*/
public static byte[] ConvertToDefiniteLength(
byte[] berPkcs12File,
char[] passwd)
{
Pfx pfx = new Pfx(Asn1Sequence.GetInstance(Asn1Object.FromByteArray(berPkcs12File)));
ContentInfo info = pfx.AuthSafe;
Asn1OctetString content = Asn1OctetString.GetInstance(info.Content);
Asn1Object obj = Asn1Object.FromByteArray(content.GetOctets());
info = new ContentInfo(info.ContentType, new DerOctetString(obj.GetEncoded(Asn1Encodable.Der)));
MacData mData = pfx.MacData;
try
{
int itCount = mData.IterationCount.IntValue;
byte[] data = Asn1OctetString.GetInstance(info.Content).GetOctets();
byte[] res = Pkcs12Store.CalculatePbeMac(
mData.Mac.AlgorithmID.ObjectID, mData.GetSalt(), itCount, passwd, false, data);
AlgorithmIdentifier algId = new AlgorithmIdentifier(
mData.Mac.AlgorithmID.ObjectID, DerNull.Instance);
DigestInfo dInfo = new DigestInfo(algId, res);
mData = new MacData(dInfo, mData.GetSalt(), itCount);
}
catch (Exception e)
{
throw new IOException("error constructing MAC: " + e.ToString());
}
pfx = new Pfx(info, mData);
return(pfx.GetEncoded(Asn1Encodable.Der));
}
public void Save(Stream stream, char[] password, SecureRandom random)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (random == null)
{
throw new ArgumentNullException("random");
}
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(new Asn1Encodable[0]);
foreach (string text in this.keys.Keys)
{
byte[] array = new byte[20];
random.NextBytes(array);
AsymmetricKeyEntry asymmetricKeyEntry = (AsymmetricKeyEntry)this.keys[text];
DerObjectIdentifier oid;
Asn1Encodable asn1Encodable;
if (password == null)
{
oid = PkcsObjectIdentifiers.KeyBag;
asn1Encodable = PrivateKeyInfoFactory.CreatePrivateKeyInfo(asymmetricKeyEntry.Key);
}
else
{
oid = PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag;
asn1Encodable = EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(this.keyAlgorithm, password, array, 1024, asymmetricKeyEntry.Key);
}
Asn1EncodableVector asn1EncodableVector2 = new Asn1EncodableVector(new Asn1Encodable[0]);
foreach (string text2 in asymmetricKeyEntry.BagAttributeKeys)
{
Asn1Encodable obj = asymmetricKeyEntry[text2];
if (!text2.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName.Id))
{
asn1EncodableVector2.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
new DerObjectIdentifier(text2),
new DerSet(obj)
})
});
}
}
asn1EncodableVector2.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(text))
})
});
if (asymmetricKeyEntry[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null)
{
X509CertificateEntry certificate = this.GetCertificate(text);
AsymmetricKeyParameter publicKey = certificate.Certificate.GetPublicKey();
SubjectKeyIdentifier obj2 = Pkcs12Store.CreateSubjectKeyID(publicKey);
asn1EncodableVector2.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(obj2)
})
});
}
asn1EncodableVector.Add(new Asn1Encodable[]
{
new SafeBag(oid, asn1Encodable.ToAsn1Object(), new DerSet(asn1EncodableVector2))
});
}
byte[] derEncoded = new DerSequence(asn1EncodableVector).GetDerEncoded();
ContentInfo contentInfo = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(derEncoded));
byte[] array2 = new byte[20];
random.NextBytes(array2);
Asn1EncodableVector asn1EncodableVector3 = new Asn1EncodableVector(new Asn1Encodable[0]);
Pkcs12PbeParams pkcs12PbeParams = new Pkcs12PbeParams(array2, 1024);
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(this.certAlgorithm, pkcs12PbeParams.ToAsn1Object());
ISet set = new HashSet();
foreach (string text3 in this.keys.Keys)
{
X509CertificateEntry certificate2 = this.GetCertificate(text3);
CertBag certBag = new CertBag(PkcsObjectIdentifiers.X509Certificate, new DerOctetString(certificate2.Certificate.GetEncoded()));
Asn1EncodableVector asn1EncodableVector4 = new Asn1EncodableVector(new Asn1Encodable[0]);
foreach (string text4 in certificate2.BagAttributeKeys)
{
Asn1Encodable obj3 = certificate2[text4];
if (!text4.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName.Id))
{
asn1EncodableVector4.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
new DerObjectIdentifier(text4),
new DerSet(obj3)
})
});
}
}
asn1EncodableVector4.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(text3))
})
});
if (certificate2[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null)
{
AsymmetricKeyParameter publicKey2 = certificate2.Certificate.GetPublicKey();
SubjectKeyIdentifier obj4 = Pkcs12Store.CreateSubjectKeyID(publicKey2);
asn1EncodableVector4.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(obj4)
})
});
}
asn1EncodableVector3.Add(new Asn1Encodable[]
{
new SafeBag(PkcsObjectIdentifiers.CertBag, certBag.ToAsn1Object(), new DerSet(asn1EncodableVector4))
});
set.Add(certificate2.Certificate);
}
foreach (string text5 in this.certs.Keys)
{
X509CertificateEntry x509CertificateEntry = (X509CertificateEntry)this.certs[text5];
if (this.keys[text5] == null)
{
CertBag certBag2 = new CertBag(PkcsObjectIdentifiers.X509Certificate, new DerOctetString(x509CertificateEntry.Certificate.GetEncoded()));
Asn1EncodableVector asn1EncodableVector5 = new Asn1EncodableVector(new Asn1Encodable[0]);
foreach (string text6 in x509CertificateEntry.BagAttributeKeys)
{
if (!text6.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID.Id))
{
Asn1Encodable obj5 = x509CertificateEntry[text6];
if (!text6.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName.Id))
{
asn1EncodableVector5.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
new DerObjectIdentifier(text6),
new DerSet(obj5)
})
});
}
}
}
asn1EncodableVector5.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(text5))
})
});
asn1EncodableVector3.Add(new Asn1Encodable[]
{
new SafeBag(PkcsObjectIdentifiers.CertBag, certBag2.ToAsn1Object(), new DerSet(asn1EncodableVector5))
});
set.Add(x509CertificateEntry.Certificate);
}
}
foreach (Pkcs12Store.CertId key in this.chainCerts.Keys)
{
X509CertificateEntry x509CertificateEntry2 = (X509CertificateEntry)this.chainCerts[key];
if (!set.Contains(x509CertificateEntry2.Certificate))
{
CertBag certBag3 = new CertBag(PkcsObjectIdentifiers.X509Certificate, new DerOctetString(x509CertificateEntry2.Certificate.GetEncoded()));
Asn1EncodableVector asn1EncodableVector6 = new Asn1EncodableVector(new Asn1Encodable[0]);
foreach (string text7 in x509CertificateEntry2.BagAttributeKeys)
{
if (!text7.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID.Id))
{
asn1EncodableVector6.Add(new Asn1Encodable[]
{
new DerSequence(new Asn1Encodable[]
{
new DerObjectIdentifier(text7),
new DerSet(x509CertificateEntry2[text7])
})
});
}
}
asn1EncodableVector3.Add(new Asn1Encodable[]
{
new SafeBag(PkcsObjectIdentifiers.CertBag, certBag3.ToAsn1Object(), new DerSet(asn1EncodableVector6))
});
}
}
byte[] derEncoded2 = new DerSequence(asn1EncodableVector3).GetDerEncoded();
ContentInfo contentInfo2;
if (password == null)
{
contentInfo2 = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(derEncoded2));
}
else
{
byte[] str = Pkcs12Store.CryptPbeData(true, algorithmIdentifier, password, false, derEncoded2);
EncryptedData encryptedData = new EncryptedData(PkcsObjectIdentifiers.Data, algorithmIdentifier, new BerOctetString(str));
contentInfo2 = new ContentInfo(PkcsObjectIdentifiers.EncryptedData, encryptedData.ToAsn1Object());
}
ContentInfo[] info = new ContentInfo[]
{
contentInfo,
contentInfo2
};
byte[] encoded = new AuthenticatedSafe(info).GetEncoded(this.useDerEncoding ? "DER" : "BER");
ContentInfo contentInfo3 = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(encoded));
MacData macData = null;
if (password != null)
{
byte[] array3 = new byte[20];
random.NextBytes(array3);
byte[] digest = Pkcs12Store.CalculatePbeMac(OiwObjectIdentifiers.IdSha1, array3, 1024, password, false, encoded);
AlgorithmIdentifier algID = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1, DerNull.Instance);
DigestInfo digInfo = new DigestInfo(algID, digest);
macData = new MacData(digInfo, array3, 1024);
}
Pfx obj6 = new Pfx(contentInfo3, macData);
DerOutputStream derOutputStream;
if (this.useDerEncoding)
{
derOutputStream = new DerOutputStream(stream);
}
else
{
derOutputStream = new BerOutputStream(stream);
}
derOutputStream.WriteObject(obj6);
}
public void Load(Stream input, char[] password)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
Asn1Sequence seq = (Asn1Sequence)Asn1Object.FromStream(input);
Pfx pfx = new Pfx(seq);
ContentInfo authSafe = pfx.AuthSafe;
bool wrongPkcs12Zero = false;
if (password != null && pfx.MacData != null)
{
MacData macData = pfx.MacData;
DigestInfo mac = macData.Mac;
AlgorithmIdentifier algorithmID = mac.AlgorithmID;
byte[] salt = macData.GetSalt();
int intValue = macData.IterationCount.IntValue;
byte[] octets = ((Asn1OctetString)authSafe.Content).GetOctets();
byte[] a = Pkcs12Store.CalculatePbeMac(algorithmID.ObjectID, salt, intValue, password, false, octets);
byte[] digest = mac.GetDigest();
if (!Arrays.ConstantTimeAreEqual(a, digest))
{
if (password.Length > 0)
{
throw new IOException("PKCS12 key store MAC invalid - wrong password or corrupted file.");
}
a = Pkcs12Store.CalculatePbeMac(algorithmID.ObjectID, salt, intValue, password, true, octets);
if (!Arrays.ConstantTimeAreEqual(a, digest))
{
throw new IOException("PKCS12 key store MAC invalid - wrong password or corrupted file.");
}
wrongPkcs12Zero = true;
}
}
this.keys.Clear();
this.localIds.Clear();
this.unmarkedKeyEntry = null;
IList list = Platform.CreateArrayList();
if (authSafe.ContentType.Equals(PkcsObjectIdentifiers.Data))
{
byte[] octets2 = ((Asn1OctetString)authSafe.Content).GetOctets();
AuthenticatedSafe authenticatedSafe = new AuthenticatedSafe((Asn1Sequence)Asn1Object.FromByteArray(octets2));
ContentInfo[] contentInfo = authenticatedSafe.GetContentInfo();
ContentInfo[] array = contentInfo;
for (int i = 0; i < array.Length; i++)
{
ContentInfo contentInfo2 = array[i];
DerObjectIdentifier contentType = contentInfo2.ContentType;
byte[] array2 = null;
if (contentType.Equals(PkcsObjectIdentifiers.Data))
{
array2 = ((Asn1OctetString)contentInfo2.Content).GetOctets();
}
else if (contentType.Equals(PkcsObjectIdentifiers.EncryptedData) && password != null)
{
EncryptedData instance = EncryptedData.GetInstance(contentInfo2.Content);
array2 = Pkcs12Store.CryptPbeData(false, instance.EncryptionAlgorithm, password, wrongPkcs12Zero, instance.Content.GetOctets());
}
if (array2 != null)
{
Asn1Sequence asn1Sequence = (Asn1Sequence)Asn1Object.FromByteArray(array2);
foreach (Asn1Sequence seq2 in asn1Sequence)
{
SafeBag safeBag = new SafeBag(seq2);
if (safeBag.BagID.Equals(PkcsObjectIdentifiers.CertBag))
{
list.Add(safeBag);
}
else if (safeBag.BagID.Equals(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag))
{
this.LoadPkcs8ShroudedKeyBag(EncryptedPrivateKeyInfo.GetInstance(safeBag.BagValue), safeBag.BagAttributes, password, wrongPkcs12Zero);
}
else if (safeBag.BagID.Equals(PkcsObjectIdentifiers.KeyBag))
{
this.LoadKeyBag(PrivateKeyInfo.GetInstance(safeBag.BagValue), safeBag.BagAttributes);
}
}
}
}
}
this.certs.Clear();
this.chainCerts.Clear();
this.keyCerts.Clear();
foreach (SafeBag safeBag2 in list)
{
CertBag certBag = new CertBag((Asn1Sequence)safeBag2.BagValue);
byte[] octets3 = ((Asn1OctetString)certBag.CertValue).GetOctets();
X509Certificate x509Certificate = new X509CertificateParser().ReadCertificate(octets3);
IDictionary dictionary = Platform.CreateHashtable();
Asn1OctetString asn1OctetString = null;
string text = null;
if (safeBag2.BagAttributes != null)
{
foreach (Asn1Sequence asn1Sequence2 in safeBag2.BagAttributes)
{
DerObjectIdentifier instance2 = DerObjectIdentifier.GetInstance(asn1Sequence2[0]);
Asn1Set instance3 = Asn1Set.GetInstance(asn1Sequence2[1]);
if (instance3.Count > 0)
{
Asn1Encodable asn1Encodable = instance3[0];
if (dictionary.Contains(instance2.Id))
{
if (!dictionary[instance2.Id].Equals(asn1Encodable))
{
throw new IOException("attempt to add existing attribute with different value");
}
}
else
{
dictionary.Add(instance2.Id, asn1Encodable);
}
if (instance2.Equals(PkcsObjectIdentifiers.Pkcs9AtFriendlyName))
{
text = ((DerBmpString)asn1Encodable).GetString();
}
else if (instance2.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID))
{
asn1OctetString = (Asn1OctetString)asn1Encodable;
}
}
}
}
Pkcs12Store.CertId certId = new Pkcs12Store.CertId(x509Certificate.GetPublicKey());
X509CertificateEntry value = new X509CertificateEntry(x509Certificate, dictionary);
this.chainCerts[certId] = value;
if (this.unmarkedKeyEntry != null)
{
if (this.keyCerts.Count == 0)
{
string text2 = Hex.ToHexString(certId.Id);
this.keyCerts[text2] = value;
this.keys[text2] = this.unmarkedKeyEntry;
}
}
else
{
if (asn1OctetString != null)
{
string key = Hex.ToHexString(asn1OctetString.GetOctets());
this.keyCerts[key] = value;
}
if (text != null)
{
this.certs[text] = value;
}
}
}
}
