/// <summary>
/// 获取一个密钥对，其中私钥是DES加密后的
/// </summary>
/// <param name="userPassword"></param>
/// <returns></returns>
public static bool CreateRSAKeypair(string pwd, ref KeyPair resultKeypair)
{
_error = "";
try
{
resultKeypair = new KeyPair {
publicKey = "", privateKey = ""
};
//RSA密钥对的构造器
RsaKeyPairGenerator keyGenerator = new RsaKeyPairGenerator();
//RSA密钥构造器的参数
RsaKeyGenerationParameters param = new RsaKeyGenerationParameters(
Org.BouncyCastle.Math.BigInteger.ValueOf(3),
new Org.BouncyCastle.Security.SecureRandom(),
1024, //密钥长度
25);
//用参数初始化密钥构造器
keyGenerator.Init(param);
//产生密钥对
AsymmetricCipherKeyPair keyPair = keyGenerator.GenerateKeyPair();
if (((RsaKeyParameters)keyPair.Public).Modulus.BitLength < 1024)
{
_error = "密钥生成失败，长度不足1024字节。";
return(false);
}
//获取公钥和密钥
SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(keyPair.Public);
Asn1Object asn1ObjectPublic = subjectPublicKeyInfo.ToAsn1Object();
byte[] pbkByte = asn1ObjectPublic.GetEncoded();
resultKeypair.publicKey = Convert.ToBase64String(pbkByte);
string alg = "1.2.840.113549.1.12.1.3"; // 3 key triple DES with SHA-1
byte[] salt = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int count = 1000;
char[] password = pwd.ToCharArray();
EncryptedPrivateKeyInfo enPrivateKeyInfo = EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
alg,
password,
salt,
count,
keyPair.Private);
byte[] prkByte = enPrivateKeyInfo.ToAsn1Object().GetEncoded();
resultKeypair.privateKey = Convert.ToBase64String(prkByte);
return(true);
}
catch (Exception ex)
{
_error = ex.Message;
return(false);
}
}
private static void savetheKey(AsymmetricKeyParameter publicKey, AsymmetricKeyParameter privateKey)
{
//保存公钥到文件
SubjectPublicKeyInfo publicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(publicKey);
Asn1Object aobject = publicKeyInfo.ToAsn1Object();
byte[] pubInfoByte = aobject.GetEncoded();
FileStream fs = new FileStream(pubKeyFile, FileMode.Create, FileAccess.Write);
fs.Write(pubInfoByte, 0, pubInfoByte.Length);
fs.Close();
//保存私钥到文件
/*
* PrivateKeyInfo privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(privateKey);
* aobject = privateKeyInfo.ToAsn1Object();
* byte[] priInfoByte = aobject.GetEncoded();
* fs = new FileStream(@"E:/Desktop/a.pri", FileMode.Create, FileAccess.Write);
* fs.Write(priInfoByte, 0, priInfoByte.Length);
* fs.Close();
*/
string alg = "1.2.840.113549.1.12.1.3"; // 3 key triple DES with SHA-1
byte[] salt = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int count = 1000;
char[] password = "******".ToCharArray();
EncryptedPrivateKeyInfo enPrivateKeyInfo = EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
alg,
password,
salt,
count,
privateKey);
byte[] priInfoByte = enPrivateKeyInfo.ToAsn1Object().GetEncoded();
fs = new FileStream(priKeyFile, FileMode.Create, FileAccess.Write);
fs.Write(priInfoByte, 0, priInfoByte.Length);
fs.Close();
//还原
//PrivateKeyInfo priInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(password, enPrivateKeyInfo);
//AsymmetricKeyParameter privateKey = PrivateKeyFactory.CreateKey(priInfoByte);
}
public void RsaKeysGenerate(string PrivateKeyFilename, string PublicKeyFilename, string passw)
{
RsaKeyPairGenerator keyGenerator = new RsaKeyPairGenerator();
RsaKeyGenerationParameters param = new RsaKeyGenerationParameters(BigInteger.ValueOf(3L), new SecureRandom(), 1024, 25);
keyGenerator.Init(param);
AsymmetricCipherKeyPair keyPair = keyGenerator.GenerateKeyPair();
AsymmetricKeyParameter publicKey = keyPair.Public;
AsymmetricKeyParameter privateKey = keyPair.Private;
SubjectPublicKeyInfo publicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(publicKey);
Asn1Object aobject = publicKeyInfo.ToAsn1Object();
byte[] pubInfoByte = aobject.GetEncoded();
System.IO.FileStream fs = new System.IO.FileStream(PublicKeyFilename, System.IO.FileMode.Create, System.IO.FileAccess.Write);
fs.Write(pubInfoByte, 0, pubInfoByte.Length);
fs.Close();
string alg = "1.2.840.113549.1.12.1.3";
byte[] salt = new byte[]
{
1,
2,
3,
4,
5,
6,
7,
8,
9,
10
};
int count = 1000;
char[] password = passw.ToCharArray();
EncryptedPrivateKeyInfo enPrivateKeyInfo = EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(alg, password, salt, count, privateKey);
byte[] priInfoByte = enPrivateKeyInfo.ToAsn1Object().GetEncoded();
fs = new System.IO.FileStream(PrivateKeyFilename, System.IO.FileMode.Create, System.IO.FileAccess.Write);
fs.Write(priInfoByte, 0, priInfoByte.Length);
fs.Close();
}
public static string SavePrivateKey(AsymmetricKeyParameter privateKey)
{
//保存公钥到文件
string alg = "1.2.840.113549.1.12.1.3"; // 3 key triple DES with SHA-1
byte[] salt = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int count = 1000;
char[] password = "******".ToCharArray();
EncryptedPrivateKeyInfo enPrivateKeyInfo = EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
alg,
password,
salt,
count,
privateKey);
byte[] priInfoByte = enPrivateKeyInfo.ToAsn1Object().GetEncoded();
return(Convert.ToBase64String(priInfoByte));
////还原
//PrivateKeyInfo priInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(password, enPrivateKeyInfo);
//AsymmetricKeyParameter privateKey = PrivateKeyFactory.CreateKey(priInfoByte);
}
public void Save(
Stream stream,
char[] password,
SecureRandom random)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (password == null)
{
throw new ArgumentNullException("password");
}
if (random == null)
{
throw new ArgumentNullException("random");
}
//
// handle the key
//
Asn1EncodableVector keyS = new Asn1EncodableVector();
foreach (string name in keys.Keys)
{
byte[] kSalt = new byte[SaltSize];
random.NextBytes(kSalt);
AsymmetricKeyEntry privKey = (AsymmetricKeyEntry)keys[name];
EncryptedPrivateKeyInfo kInfo =
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);
IAsymmetricKeyParameter pubKey = ct.Certificate.GetPublicKey();
SubjectKeyIdentifier subjectKeyID = CreateSubjectKeyID(pubKey);
kName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(subjectKeyID)));
}
SafeBag kBag = new SafeBag(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag, kInfo.ToAsn1Object(), new DerSet(kName));
keyS.Add(kBag);
}
byte[] derEncodedBytes = new DerSequence(keyS).GetDerEncoded();
BerOctetString keyString = new BerOctetString(derEncodedBytes);
//
// certificate 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());
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)
{
IAsymmetricKeyParameter pubKey = certEntry.Certificate.GetPublicKey();
SubjectKeyIdentifier subjectKeyID = CreateSubjectKeyID(pubKey);
fName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(subjectKeyID)));
}
SafeBag sBag = new SafeBag(
PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName));
certSeq.Add(sBag);
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))));
}
SafeBag sBag = new SafeBag(PkcsObjectIdentifiers.CertBag,
cBag.ToAsn1Object(), new DerSet(fName));
certSeq.Add(sBag);
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])));
}
SafeBag sBag = new SafeBag(PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName));
certSeq.Add(sBag);
}
derEncodedBytes = new DerSequence(certSeq).GetDerEncoded();
byte[] certBytes = CryptPbeData(true, cAlgId, password, false, derEncodedBytes);
EncryptedData cInfo = new EncryptedData(PkcsObjectIdentifiers.Data, cAlgId, new BerOctetString(certBytes));
ContentInfo[] info = new ContentInfo[]
{
new ContentInfo(PkcsObjectIdentifiers.Data, keyString),
new ContentInfo(PkcsObjectIdentifiers.EncryptedData, cInfo.ToAsn1Object())
};
byte[] data = new AuthenticatedSafe(info).GetEncoded(
useDerEncoding ? Asn1Encodable.Der : Asn1Encodable.Ber);
ContentInfo mainInfo = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(data));
//
// create the mac
//
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 mData = new MacData(dInfo, mSalt, MinIterations);
//
// output the Pfx
//
Pfx pfx = new Pfx(mainInfo, mData);
DerOutputStream derOut;
if (useDerEncoding)
{
derOut = new DerOutputStream(stream);
}
else
{
derOut = new BerOutputStream(stream);
}
derOut.WriteObject(pfx);
}
public override void PerformTest()
{
Pfx bag = Pfx.GetInstance(pkcs12);
ContentInfo info = bag.AuthSafe;
MacData mData = bag.MacData;
DigestInfo dInfo = mData.Mac;
AlgorithmIdentifier algId = dInfo.AlgorithmID;
byte[] salt = mData.GetSalt();
int itCount = mData.IterationCount.IntValue;
Asn1OctetString content = Asn1OctetString.GetInstance(info.Content);
AuthenticatedSafe authSafe = AuthenticatedSafe.GetInstance(content.GetOctets());
ContentInfo[] c = authSafe.GetContentInfo();
//
// private key section
//
if (!c[0].ContentType.Equals(PkcsObjectIdentifiers.Data))
{
Fail("Failed comparison data test");
}
Asn1OctetString authSafeContent = Asn1OctetString.GetInstance(c[0].Content);
Asn1Sequence seq = Asn1Sequence.GetInstance(authSafeContent.GetOctets());
SafeBag b = SafeBag.GetInstance(seq[0]);
if (!b.BagID.Equals(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag))
{
Fail("Failed comparison shroudedKeyBag test");
}
EncryptedPrivateKeyInfo encInfo = EncryptedPrivateKeyInfo.GetInstance(b.BagValue);
encInfo = new EncryptedPrivateKeyInfo(encInfo.EncryptionAlgorithm, encInfo.GetEncryptedData());
b = new SafeBag(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag, encInfo.ToAsn1Object(), b.BagAttributes);
byte[] contentOctets = new DerSequence(b).GetEncoded();
c[0] = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(contentOctets));
//
// certificates
//
if (!c[1].ContentType.Equals(PkcsObjectIdentifiers.EncryptedData))
{
Fail("Failed comparison encryptedData test");
}
EncryptedData eData = EncryptedData.GetInstance(c[1].Content);
c[1] = new ContentInfo(PkcsObjectIdentifiers.EncryptedData, eData);
//
// create an octet stream to represent the BER encoding of authSafe
//
authSafe = new AuthenticatedSafe(c);
contentOctets = authSafe.GetEncoded();
info = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(contentOctets));
mData = new MacData(new DigestInfo(algId, dInfo.GetDigest()), salt, itCount);
bag = new Pfx(info, mData);
//
// comparison test
//
byte[] pfxEncoding = bag.GetEncoded();
if (!Arrays.AreEqual(pfxEncoding, pkcs12))
{
Fail("Failed comparison test");
}
}
public void Save(
Stream stream,
char[] password,
SecureRandom random)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (password == null)
{
throw new ArgumentNullException("password");
}
if (random == null)
{
throw new ArgumentNullException("random");
}
ContentInfo[] c = new ContentInfo[2];
//
// handle the key
//
Asn1EncodableVector keyS = new Asn1EncodableVector();
foreach (string name in keys.Keys)
{
byte[] kSalt = new byte[saltSize];
random.NextBytes(kSalt);
AsymmetricKeyEntry privKey = (AsymmetricKeyEntry)keys[name];
EncryptedPrivateKeyInfo kInfo =
EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
keyAlgorithm, password, kSalt, minIterations, privKey.Key);
Asn1EncodableVector kName = new Asn1EncodableVector();
foreach (string oid in privKey.BagAttributeKeys)
{
kName.Add(
new DerSequence(
new DerObjectIdentifier(oid),
new DerSet(privKey[oid])));
}
//
// make sure we have a local key-id
//
if (privKey[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null)
{
X509CertificateEntry ct = GetCertificate(name);
SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(
ct.Certificate.GetPublicKey());
kName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(new SubjectKeyIdentifier(info))));
}
//
// make sure we are using the local alias on store
//
DerBmpString nm = (DerBmpString)privKey[PkcsObjectIdentifiers.Pkcs9AtFriendlyName];
if (nm == null || !nm.GetString().Equals(name))
{
kName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(name))));
}
SafeBag kBag = new SafeBag(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag, kInfo.ToAsn1Object(), new DerSet(kName));
keyS.Add(kBag);
}
byte[] derEncodedBytes = new DerSequence(keyS).GetDerEncoded();
BerOctetString keyString = new BerOctetString(derEncodedBytes);
//
// certificate 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();
foreach (string name in keys.Keys)
{
X509CertificateEntry certEntry = GetCertificate(name);
CertBag cBag = new CertBag(
PkcsObjectIdentifiers.X509CertType,
new DerOctetString(certEntry.Certificate.GetEncoded()));
Asn1EncodableVector fName = new Asn1EncodableVector();
foreach (string oid in certEntry.BagAttributeKeys)
{
fName.Add(
new DerSequence(
new DerObjectIdentifier(oid),
new DerSet(certEntry[oid])));
}
//
// make sure we are using the local alias on store
//
DerBmpString nm = (DerBmpString)certEntry[PkcsObjectIdentifiers.Pkcs9AtFriendlyName];
if (nm == null || !nm.GetString().Equals(name))
{
fName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(name))));
}
//
// make sure we have a local key-id
//
if (certEntry[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null)
{
SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(
certEntry.Certificate.GetPublicKey());
fName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtLocalKeyID,
new DerSet(new SubjectKeyIdentifier(info))));
}
SafeBag sBag = new SafeBag(
PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName));
certSeq.Add(sBag);
doneCerts.Add(certEntry.Certificate, certEntry.Certificate);
}
foreach (string certId in certs.Keys)
{
X509CertificateEntry cert = (X509CertificateEntry)certs[certId];
if (keys[certId] != null)
{
continue;
}
CertBag cBag = new CertBag(
PkcsObjectIdentifiers.X509CertType,
new DerOctetString(cert.Certificate.GetEncoded()));
Asn1EncodableVector fName = new Asn1EncodableVector();
foreach (string oid in cert.BagAttributeKeys)
{
fName.Add(
new DerSequence(
new DerObjectIdentifier(oid),
new DerSet(cert[oid])));
}
//
// make sure we are using the local alias on store
//
DerBmpString nm = (DerBmpString)cert[PkcsObjectIdentifiers.Pkcs9AtFriendlyName];
if (nm == null || !nm.GetString().Equals(certId))
{
fName.Add(
new DerSequence(
PkcsObjectIdentifiers.Pkcs9AtFriendlyName,
new DerSet(new DerBmpString(certId))));
}
SafeBag sBag = new SafeBag(PkcsObjectIdentifiers.CertBag,
cBag.ToAsn1Object(), new DerSet(fName));
certSeq.Add(sBag);
doneCerts.Add(cert, cert);
}
foreach (CertId certId in chainCerts.Keys)
{
X509CertificateEntry cert = (X509CertificateEntry)chainCerts[certId];
if (doneCerts[cert] != null)
{
continue;
}
CertBag cBag = new CertBag(
PkcsObjectIdentifiers.X509CertType,
new DerOctetString(cert.Certificate.GetEncoded()));
Asn1EncodableVector fName = new Asn1EncodableVector();
foreach (string oid in cert.BagAttributeKeys)
{
fName.Add(new DerSequence(new DerObjectIdentifier(oid), new DerSet(cert[oid])));
}
SafeBag sBag = new SafeBag(PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName));
certSeq.Add(sBag);
}
derEncodedBytes = new DerSequence(certSeq).GetDerEncoded();
byte[] certBytes = EncryptData(new AlgorithmIdentifier(certAlgorithm, cParams), derEncodedBytes, 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);
byte[] pkg = auth.GetEncoded();
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.Content).GetOctets();
MacData mData = null;
Asn1Encodable parameters = PbeUtilities.GenerateAlgorithmParameters(OiwObjectIdentifiers.IdSha1, mSalt, itCount);
ICipherParameters keyParameters = PbeUtilities.GenerateCipherParameters(
OiwObjectIdentifiers.IdSha1, password, parameters);
IMac mac = (IMac)PbeUtilities.CreateEngine(OiwObjectIdentifiers.IdSha1);
mac.Init(keyParameters);
mac.BlockUpdate(data, 0, data.Length);
byte[] res = new byte[mac.GetMacSize()];
mac.DoFinal(res, 0);
AlgorithmIdentifier algId = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1, DerNull.Instance);
DigestInfo dInfo = new DigestInfo(algId, res);
mData = new MacData(dInfo, mSalt, itCount);
//
// output the Pfx
//
Pfx pfx = new Pfx(mainInfo, mData);
BerOutputStream berOut = new BerOutputStream(stream);
berOut.WriteObject(pfx);
}
