/// <summary>
/// Constructor from an algorithm and an encoding of a PrivateKeyInfo object containing a NewHope private key.
/// </summary>
/// <param name="alg">Algorithm marker to associate with the key.</param>
/// <param name="encoding">An encoding of a PrivateKeyInfo object.</param>
public AsymmetricNHPrivateKey(Algorithm alg, byte[] encoding) : this(alg, PrivateKeyInfo.GetInstance(encoding))
{
}
public static void Main1(string[] args)
{
//公钥和密钥的生成，并加密解密测试
//RsaKeyGeneratorTest(); //done!!!!!
byte[] msg = Encoding.UTF8.GetBytes("abcdefg");
string priKeyString = File.ReadAllText(@"E:\OwenProject\RSA\pc8_bc.pem");
string pubKeyString = File.ReadAllText(@"E:\OwenProject\RSA\pc8_bc_pub.pem");
using (TextReader priReader = new StringReader(priKeyString)
, pubReader = new StringReader(pubKeyString))
{
PemReader pemReader = new PemReader(priReader);
var obj = pemReader.ReadObject();
var pri = obj as RsaPrivateCrtKeyParameters;
//RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
//RSAParameters p = new RSAParameters();
//p.DP = pri.DP.ToByteArray();
//p.DQ = pri.DQ.ToByteArray();
//p.Exponent = pri.Exponent.ToByteArray();
//p.P = pri.P.ToByteArray();
//p.Q = pri.Q.ToByteArray();
//p.Modulus = pri.Modulus.ToByteArray();
//p.D = pri.PublicExponent.ToByteArray();
//p.InverseQ = pri.QInv.ToByteArray();
//rsa.ImportParameters(p);
PemReader pemReaderPub = new PemReader(pubReader);
var objPub = pemReaderPub.ReadObject();
var pub = objPub as RsaKeyParameters;
//AsymmetricCipherKeyPair kp = new AsymmetricCipherKeyPair(pri, pub);
RsaDigestSigner signer = new RsaDigestSigner(new Sha1Digest());
signer.Init(true, pri);
signer.BlockUpdate(msg, 0, msg.Length);
byte[] sig = signer.GenerateSignature();
Console.WriteLine(Convert.ToBase64String(sig));
signer.Init(false, pub);
signer.BlockUpdate(msg, 0, msg.Length);
bool valid = signer.VerifySignature(sig);
Console.WriteLine(valid);
}
var priKeyContent = Convert.FromBase64String(@"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");
var pubKeyContent = Convert.FromBase64String(@"MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpKPkxNcSWkaEZv1KzSKFg3o2GD3Q7qzWXtvKVxa0Vk8hRT8fQATsel3bkpG8W5gp4d26hOcrZaSpmY8VQle+ME/UWDM5JhEZQYSOeWiunXijZ0UvDpbojcicm096cQsynvnWo9z+C4I0C3t3dCZ/m1lE9i9IgP0wnQ7emS2csFQIDAQAB");
//var priKeyContent = Convert.FromBase64String(@"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");
var asn1Seq = Asn1Sequence.GetInstance(priKeyContent);
if (asn1Seq is DerSequence)
{
asn1Seq = (Asn1Sequence)asn1Seq;
}
var ppriv = PrivateKeyFactory.CreateKey(PrivateKeyInfo.GetInstance(asn1Seq)) as AsymmetricKeyParameter;
var ppubl = PublicKeyFactory.CreateKey((pubKeyContent));
RsaDigestSigner signer1 = new RsaDigestSigner(new Sha1Digest());
signer1.Init(true, ppriv);
signer1.BlockUpdate(msg, 0, msg.Length);
byte[] sig1 = signer1.GenerateSignature();
Console.WriteLine(Convert.ToBase64String(sig1));
signer1.Init(false, ppubl);
signer1.BlockUpdate(msg, 0, msg.Length);
bool valid2 = signer1.VerifySignature(sig1);
Console.WriteLine(valid2);
}
public Pkcs8EncryptedPrivateKeyInfoBuilder(PrivateKeyInfo privateKeyInfo)
{
this.privateKeyInfo = privateKeyInfo;
}
public void Load(
Stream input,
char[] password)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (password == null)
{
throw new ArgumentNullException("password");
}
Asn1Sequence obj = (Asn1Sequence)Asn1Object.FromStream(input);
Pfx bag = new Pfx(obj);
ContentInfo info = bag.AuthSafe;
bool unmarkedKey = false;
bool wrongPkcs12Zero = false;
if (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.ObjectID, 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.ObjectID, 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();
IList chain = 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;
if (oid.Equals(PkcsObjectIdentifiers.Data))
{
byte[] octets = ((Asn1OctetString)ci.Content).GetOctets();
Asn1Sequence seq = (Asn1Sequence)Asn1Object.FromByteArray(octets);
foreach (Asn1Sequence subSeq in seq)
{
SafeBag b = new SafeBag(subSeq);
if (b.BagID.Equals(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag))
{
EncryptedPrivateKeyInfo eIn = EncryptedPrivateKeyInfo.GetInstance(b.BagValue);
PrivateKeyInfo privInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(
password, wrongPkcs12Zero, eIn);
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(privInfo);
//
// set the attributes on the key
//
IDictionary attributes = Platform.CreateHashtable();
AsymmetricKeyEntry pkcs12Key = new AsymmetricKeyEntry(privKey, attributes);
string alias = null;
Asn1OctetString localId = null;
if (b.BagAttributes != null)
{
foreach (Asn1Sequence sq in b.BagAttributes)
{
DerObjectIdentifier aOid = (DerObjectIdentifier)sq[0];
Asn1Set attrSet = (Asn1Set)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] = pkcs12Key;
}
else if (aOid.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID))
{
localId = (Asn1OctetString)attr;
}
}
}
}
if (localId != null)
{
string name = Hex.ToHexString(localId.GetOctets());
if (alias == null)
{
keys[name] = pkcs12Key;
}
else
{
// TODO There may have been more than one alias
localIds[alias] = name;
}
}
else
{
unmarkedKey = true;
keys["unmarked"] = pkcs12Key;
}
}
else if (b.BagID.Equals(PkcsObjectIdentifiers.CertBag))
{
chain.Add(b);
}
else
{
Debug.WriteLine("extra " + b.BagID);
Debug.WriteLine("extra " + Asn1Dump.DumpAsString(b));
}
}
}
else if (oid.Equals(PkcsObjectIdentifiers.EncryptedData))
{
EncryptedData d = EncryptedData.GetInstance(ci.Content);
byte[] octets = CryptPbeData(false, d.EncryptionAlgorithm,
password, wrongPkcs12Zero, d.Content.GetOctets());
Asn1Sequence seq = (Asn1Sequence)Asn1Object.FromByteArray(octets);
foreach (Asn1Sequence subSeq in seq)
{
SafeBag b = new SafeBag(subSeq);
if (b.BagID.Equals(PkcsObjectIdentifiers.CertBag))
{
chain.Add(b);
}
else if (b.BagID.Equals(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag))
{
EncryptedPrivateKeyInfo eIn = EncryptedPrivateKeyInfo.GetInstance(b.BagValue);
PrivateKeyInfo privInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(
password, wrongPkcs12Zero, eIn);
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(privInfo);
//
// set the attributes on the key
//
IDictionary attributes = Platform.CreateHashtable();
AsymmetricKeyEntry pkcs12Key = new AsymmetricKeyEntry(privKey, attributes);
string alias = null;
Asn1OctetString localId = null;
foreach (Asn1Sequence sq in b.BagAttributes)
{
DerObjectIdentifier aOid = (DerObjectIdentifier)sq[0];
Asn1Set attrSet = (Asn1Set)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] = pkcs12Key;
}
else if (aOid.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID))
{
localId = (Asn1OctetString)attr;
}
}
}
// TODO Should we be checking localIds != null here
// as for PkcsObjectIdentifiers.Data version above?
string name = Hex.ToHexString(localId.GetOctets());
if (alias == null)
{
keys[name] = pkcs12Key;
}
else
{
// TODO There may have been more than one alias
localIds[alias] = name;
}
}
else if (b.BagID.Equals(PkcsObjectIdentifiers.KeyBag))
{
PrivateKeyInfo privKeyInfo = PrivateKeyInfo.GetInstance(b.BagValue);
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(privKeyInfo);
//
// set the attributes on the key
//
string alias = null;
Asn1OctetString localId = null;
IDictionary attributes = Platform.CreateHashtable();
AsymmetricKeyEntry pkcs12Key = new AsymmetricKeyEntry(privKey, attributes);
foreach (Asn1Sequence sq in b.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] = pkcs12Key;
}
else if (aOid.Equals(PkcsObjectIdentifiers.Pkcs9AtLocalKeyID))
{
localId = (Asn1OctetString)attr;
}
}
}
// TODO Should we be checking localIds != null here
// as for PkcsObjectIdentifiers.Data version above?
string name = Hex.ToHexString(localId.GetOctets());
if (alias == null)
{
keys[name] = pkcs12Key;
}
else
{
// TODO There may have been more than one alias
localIds[alias] = name;
}
}
else
{
Debug.WriteLine("extra " + b.BagID);
Debug.WriteLine("extra " + Asn1Dump.DumpAsString(b));
}
}
}
else
{
Debug.WriteLine("extra " + oid);
Debug.WriteLine("extra " + Asn1Dump.DumpAsString(ci.Content));
}
}
}
certs.Clear();
chainCerts.Clear();
keyCerts.Clear();
foreach (SafeBag b in chain)
{
CertBag cb = new CertBag((Asn1Sequence)b.BagValue);
byte[] octets = ((Asn1OctetString)cb.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 pkcs12Cert = new X509CertificateEntry(cert, attributes);
chainCerts[certId] = pkcs12Cert;
if (unmarkedKey)
{
if (keyCerts.Count == 0)
{
string name = Hex.ToHexString(certId.Id);
keyCerts[name] = pkcs12Cert;
object temp = keys["unmarked"];
keys.Remove("unmarked");
keys[name] = temp;
}
}
else
{
if (localId != null)
{
string name = Hex.ToHexString(localId.GetOctets());
keyCerts[name] = pkcs12Cert;
}
if (alias != null)
{
// TODO There may have been more than one alias
certs[alias] = pkcs12Cert;
}
}
}
}
/**
* decrypt the content and return an input stream.
*/
public override CmsTypedStream GetContentStream(
// Key key)
ICipherParameters key)
{
if (!(key is AsymmetricKeyParameter))
{
throw new ArgumentException("KeyAgreement requires asymmetric key", "key");
}
AsymmetricKeyParameter privKey = (AsymmetricKeyParameter)key;
if (!privKey.IsPrivate)
{
throw new ArgumentException("Expected private key", "key");
}
try
{
OriginatorPublicKey origK = _info.Originator.OriginatorKey;
PrivateKeyInfo privInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(privKey);
SubjectPublicKeyInfo pubInfo = new SubjectPublicKeyInfo(privInfo.AlgorithmID, origK.PublicKey.GetBytes());
AsymmetricKeyParameter pubKey = PublicKeyFactory.CreateKey(pubInfo);
string wrapAlg = DerObjectIdentifier.GetInstance(
Asn1Sequence.GetInstance(_keyEncAlg.Parameters)[0]).Id;
IBasicAgreement agreement = AgreementUtilities.GetBasicAgreementWithKdf(
_keyEncAlg.ObjectID, wrapAlg);
agreement.Init(privKey);
BigInteger wKeyNum = agreement.CalculateAgreement(pubKey);
KeyParameter wKey = ParameterUtilities.CreateKeyParameter(
wrapAlg, wKeyNum.ToByteArrayUnsigned());
IWrapper keyCipher = WrapperUtilities.GetWrapper(wrapAlg);
keyCipher.Init(false, wKey);
AlgorithmIdentifier aid = _encAlg;
string alg = aid.ObjectID.Id;
byte[] encryptedKey = _encryptedKey.GetOctets();
KeyParameter sKey = ParameterUtilities.CreateKeyParameter(
alg, keyCipher.Unwrap(encryptedKey, 0, encryptedKey.Length));
return(GetContentFromSessionKey(sKey));
}
catch (SecurityUtilityException e)
{
throw new CmsException("couldn't create cipher.", e);
}
catch (InvalidKeyException e)
{
throw new CmsException("key invalid in message.", e);
}
catch (Exception e)
{
throw new CmsException("originator key invalid.", e);
}
}
public EncKeyWithID(PrivateKeyInfo privKeyInfo, DerUtf8String str)
{
this.privKeyInfo = privKeyInfo;
this.identifier = str;
}
/// <summary>
/// Generates a certificate signed by the CA
/// </summary>
/// <param name="subjectName"></param>
/// <param name="issuerName"></param>
/// <param name="issuerPrivKey"></param>
/// <param name="keyStrength"></param>
/// <returns></returns>
public static X509Certificate2 GenerateCertificate(string subjectName, string issuerName, AsymmetricKeyParameter issuerPrivKey, int keyStrength = 1024)
{
// Generating Random Numbers
CryptoApiRandomGenerator randomGenerator = new CryptoApiRandomGenerator();
SecureRandom random = new SecureRandom(randomGenerator);
ISignatureFactory signatureFactory = new Asn1SignatureFactory("SHA256WITHRSA", issuerPrivKey, random);
// The Certificate Generator
X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
// Serial Number
BigInteger serialNumber = BigIntegers.CreateRandomInRange(BigInteger.One, BigInteger.ValueOf(Int64.MaxValue), random);
certificateGenerator.SetSerialNumber(serialNumber);
// Issuer and Subject Name
X509Name subjectDN = new X509Name(subjectName);
X509Name issuerDN = new X509Name(issuerName);
certificateGenerator.SetIssuerDN(issuerDN);
certificateGenerator.SetSubjectDN(subjectDN);
// Valid For
DateTime notBefore = DateTime.UtcNow.Date;
DateTime notAfter = notBefore.AddYears(2);
certificateGenerator.SetNotBefore(notBefore);
certificateGenerator.SetNotAfter(notAfter);
// Subject Public Key
AsymmetricCipherKeyPair subjectKeyPair;
var keyGenerationParameters = new KeyGenerationParameters(random, keyStrength);
var keyPairGenerator = new RsaKeyPairGenerator();
keyPairGenerator.Init(keyGenerationParameters);
subjectKeyPair = keyPairGenerator.GenerateKeyPair();
certificateGenerator.SetPublicKey(subjectKeyPair.Public);
// Generating the Certificate
AsymmetricCipherKeyPair issuerKeyPair = subjectKeyPair;
// selfsign certificate
Org.BouncyCastle.X509.X509Certificate certificate = certificateGenerator.Generate(signatureFactory);
// correcponding private key
PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private);
// merge into X509Certificate2
X509Certificate2 x509 = new X509Certificate2(certificate.GetEncoded());
Asn1Sequence seq = (Asn1Sequence)Asn1Object.FromByteArray(info.ParsePrivateKey().GetDerEncoded());
if (seq.Count != 9)
{
throw new PemException("malformed sequence in RSA private key");
}
RsaPrivateKeyStructure rsa = RsaPrivateKeyStructure.GetInstance(seq);
RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters(
rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient);
x509.PrivateKey = DotNetUtilities.ToRSA(rsaparams);
return(x509);
}
// Method GenerateSelfSignedCertificate
private static X509Certificate2 GenerateSelfSignedCertificate(string subjectName, string issuerName, AsymmetricKeyParameter issuerPrivKey, int keyStrength = 2048)
{
// Generating Random Numbers
var randomGenerator = new CryptoApiRandomGenerator();
var random = new SecureRandom(randomGenerator);
// The Certificate Generator
var certificateGenerator = new X509V3CertificateGenerator();
// Serial Number
var serialNumber = BigIntegers.CreateRandomInRange(BigInteger.One, BigInteger.ValueOf(Int64.MaxValue), random);
certificateGenerator.SetSerialNumber(serialNumber);
// Signature Algorithm
const string signatureAlgorithm = "SHA256WithRSA";
certificateGenerator.SetSignatureAlgorithm(signatureAlgorithm);
// Issuer and Subject Name
var subjectDN = new X509Name(subjectName);
X509Name issuerDN = new X509Name(issuerName);
certificateGenerator.SetIssuerDN(issuerDN);
certificateGenerator.SetSubjectDN(subjectDN);
// Valid For
var notBefore = DateTime.UtcNow.Date;
var notAfter = notBefore.AddDays(7);
certificateGenerator.SetNotBefore(notBefore);
certificateGenerator.SetNotAfter(notAfter);
// Subject Public Key
AsymmetricCipherKeyPair subjectKeyPair;
var keyGenerationParameters = new KeyGenerationParameters(random, keyStrength);
var keyPairGenerator = new RsaKeyPairGenerator();
keyPairGenerator.Init(keyGenerationParameters);
subjectKeyPair = keyPairGenerator.GenerateKeyPair();
certificateGenerator.SetPublicKey(subjectKeyPair.Public);
// Generating the Certificate
var issuerKeyPair = subjectKeyPair;
// selfsign certificate
var certificate = certificateGenerator.Generate(issuerPrivKey, random);
// correcponding private key
PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private);
// merge into X509Certificate2
var x509 = new X509Certificate2(certificate.GetEncoded());
var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded());
if (seq.Count != 9)
{
throw new PemException("malformed sequence in RSA private key");
}
var rsa = new RsaPrivateKeyStructure(seq);
RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters(
rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient);
x509.PrivateKey = DotNetUtilities.ToRSA(rsaparams);
return(x509);
}
public static AsymmetricKeyParameter CreateKey(
PrivateKeyInfo keyInfo)
{
AlgorithmIdentifier algID = keyInfo.AlgorithmID;
if (algID.ObjectID.Equals(PkcsObjectIdentifiers.RsaEncryption))
{
RsaPrivateKeyStructure keyStructure = new RsaPrivateKeyStructure(
(Asn1Sequence)keyInfo.PrivateKey);
return(new RsaPrivateCrtKeyParameters(
keyStructure.Modulus,
keyStructure.PublicExponent,
keyStructure.PrivateExponent,
keyStructure.Prime1,
keyStructure.Prime2,
keyStructure.Exponent1,
keyStructure.Exponent2,
keyStructure.Coefficient));
}
else if (algID.ObjectID.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
{
DHParameter para = new DHParameter((Asn1Sequence)algID.Parameters);
DerInteger derX = (DerInteger)keyInfo.PrivateKey;
return(new DHPrivateKeyParameters(derX.Value, new DHParameters(para.P, para.G)));
}
else if (algID.ObjectID.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
{
ElGamalParameter para = new ElGamalParameter((Asn1Sequence)algID.Parameters);
DerInteger derX = (DerInteger)keyInfo.PrivateKey;
return(new ElGamalPrivateKeyParameters(derX.Value, new ElGamalParameters(para.P, para.G)));
}
else if (algID.ObjectID.Equals(X9ObjectIdentifiers.IdDsa))
{
DsaParameter para = DsaParameter.GetInstance(algID.Parameters);
DerInteger derX = (DerInteger)keyInfo.PrivateKey;
return(new DsaPrivateKeyParameters(derX.Value, new DsaParameters(para.P, para.Q, para.G)));
}
else if (algID.ObjectID.Equals(X9ObjectIdentifiers.IdECPublicKey))
{
X962Parameters para = new X962Parameters((Asn1Object)algID.Parameters);
ECDomainParameters dParams = null;
if (para.IsNamedCurve)
{
DerObjectIdentifier oid = (DerObjectIdentifier)para.Parameters;
X9ECParameters ecP = X962NamedCurves.GetByOid(oid);
if (ecP == null)
{
ecP = SecNamedCurves.GetByOid(oid);
if (ecP == null)
{
ecP = NistNamedCurves.GetByOid(oid);
}
}
dParams = new ECDomainParameters(
ecP.Curve,
ecP.G,
ecP.N,
ecP.H,
ecP.GetSeed());
}
else
{
X9ECParameters ecP = new X9ECParameters(
(Asn1Sequence)para.Parameters);
dParams = new ECDomainParameters(
ecP.Curve,
ecP.G,
ecP.N,
ecP.H,
ecP.GetSeed());
}
ECPrivateKeyStructure ec = new ECPrivateKeyStructure((Asn1Sequence)keyInfo.PrivateKey);
return(new ECPrivateKeyParameters(ec.GetKey(), dParams));
}
else if (algID.ObjectID.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
{
throw new NotImplementedException();
}
else if (algID.ObjectID.Equals(CryptoProObjectIdentifiers.GostR3410x94))
{
Gost3410PublicKeyAlgParameters algParams = new Gost3410PublicKeyAlgParameters(
(Asn1Sequence)algID.Parameters);
DerOctetString derX = (DerOctetString)keyInfo.PrivateKey;
byte[] keyEnc = derX.GetOctets();
byte[] keyBytes = new byte[keyEnc.Length];
for (int i = 0; i != keyEnc.Length; i++)
{
keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // was little endian
}
BigInteger x = new BigInteger(1, keyBytes);
return(new Gost3410PrivateKeyParameters(x, algParams.PublicKeyParamSet));
}
else
{
throw new SecurityUtilityException("algorithm identifier in key not recognised");
}
}
public Pkcs12SafeBagBuilder(PrivateKeyInfo privateKeyInfo)
{
this.bagType = PkcsObjectIdentifiers.KeyBag;
this.bagValue = privateKeyInfo;
}
public Pkcs12SafeBagBuilder(IAsymmetricPrivateKey privateKey) : this(PrivateKeyInfo.GetInstance(privateKey.GetEncoded()))
{
}
public Pkcs12SafeBagBuilder(PrivateKeyInfo privateKeyInfo, ICipherBuilder <AlgorithmIdentifier> encryptor)
{
this.bagType = PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag;
this.bagValue = new Pkcs8EncryptedPrivateKeyInfoBuilder(privateKeyInfo).Build(encryptor).ToAsn1Structure();
}
public Pkcs12SafeBagBuilder(IAsymmetricPrivateKey privateKey, ICipherBuilder <AlgorithmIdentifier> encryptor) : this(PrivateKeyInfo.GetInstance(privateKey.GetEncoded()), encryptor)
{
}
/// <summary>
/// Constructor from an algorithm and a PrivateKeyInfo object containing a NewHope private key.
/// </summary>
/// <param name="algorithm">Algorithm marker to associate with the key.</param>
/// <param name="privateKeyInfo">A PrivateKeyInfo object.</param>
public AsymmetricNHPrivateKey(Algorithm algorithm, PrivateKeyInfo privateKeyInfo) : base(algorithm)
{
this.privateKeyData = Convert(Asn1OctetString.GetInstance(privateKeyInfo.ParsePrivateKey()).GetOctets());
}
public static AsymmetricKeyParameter CreateKey(
PrivateKeyInfo keyInfo)
{
AlgorithmIdentifier algID = keyInfo.PrivateKeyAlgorithm;
DerObjectIdentifier algOid = algID.Algorithm;
// TODO See RSAUtil.isRsaOid in Java build
if (algOid.Equals(PkcsObjectIdentifiers.RsaEncryption) ||
algOid.Equals(X509ObjectIdentifiers.IdEARsa) ||
algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss) ||
algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep))
{
RsaPrivateKeyStructure keyStructure = RsaPrivateKeyStructure.GetInstance(keyInfo.ParsePrivateKey());
return(new RsaPrivateCrtKeyParameters(
keyStructure.Modulus,
keyStructure.PublicExponent,
keyStructure.PrivateExponent,
keyStructure.Prime1,
keyStructure.Prime2,
keyStructure.Exponent1,
keyStructure.Exponent2,
keyStructure.Coefficient));
}
// TODO?
// else if (algOid.Equals(X9ObjectIdentifiers.DHPublicNumber))
else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
{
DHParameter para = new DHParameter(
Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
DerInteger derX = (DerInteger)keyInfo.ParsePrivateKey();
BigInteger lVal = para.L;
int l = lVal == null ? 0 : lVal.IntValue;
DHParameters dhParams = new DHParameters(para.P, para.G, null, l);
return(new DHPrivateKeyParameters(derX.Value, dhParams, algOid));
}
else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
{
ElGamalParameter para = new ElGamalParameter(
Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
DerInteger derX = (DerInteger)keyInfo.ParsePrivateKey();
return(new ElGamalPrivateKeyParameters(
derX.Value,
new ElGamalParameters(para.P, para.G)));
}
else if (algOid.Equals(X9ObjectIdentifiers.IdDsa))
{
DerInteger derX = (DerInteger)keyInfo.ParsePrivateKey();
Asn1Encodable ae = algID.Parameters;
DsaParameters parameters = null;
if (ae != null)
{
DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object());
parameters = new DsaParameters(para.P, para.Q, para.G);
}
return(new DsaPrivateKeyParameters(derX.Value, parameters));
}
else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey))
{
X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object());
X9ECParameters x9;
if (para.IsNamedCurve)
{
x9 = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters);
}
else
{
x9 = new X9ECParameters((Asn1Sequence)para.Parameters);
}
ECPrivateKeyStructure ec = ECPrivateKeyStructure.GetInstance(keyInfo.ParsePrivateKey());
BigInteger d = ec.GetKey();
if (para.IsNamedCurve)
{
return(new ECPrivateKeyParameters("EC", d, (DerObjectIdentifier)para.Parameters));
}
ECDomainParameters dParams = new ECDomainParameters(x9.Curve, x9.G, x9.N, x9.H, x9.GetSeed());
return(new ECPrivateKeyParameters(d, dParams));
}
else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
{
Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet);
if (ecP == null)
{
throw new ArgumentException("Unrecognized curve OID for GostR3410x2001 private key");
}
Asn1Object privKey = keyInfo.ParsePrivateKey();
ECPrivateKeyStructure ec;
if (privKey is DerInteger)
{
ec = new ECPrivateKeyStructure(ecP.N.BitLength, ((DerInteger)privKey).PositiveValue);
}
else
{
ec = ECPrivateKeyStructure.GetInstance(privKey);
}
return(new ECPrivateKeyParameters("ECGOST3410", ec.GetKey(), gostParams.PublicKeyParamSet));
}
else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94))
{
Gost3410PublicKeyAlgParameters gostParams = Gost3410PublicKeyAlgParameters.GetInstance(algID.Parameters);
Asn1Object privKey = keyInfo.ParsePrivateKey();
BigInteger x;
if (privKey is DerInteger)
{
x = DerInteger.GetInstance(privKey).PositiveValue;
}
else
{
x = new BigInteger(1, Arrays.Reverse(Asn1OctetString.GetInstance(privKey).GetOctets()));
}
return(new Gost3410PrivateKeyParameters(x, gostParams.PublicKeyParamSet));
}
else
{
throw new SecurityUtilityException("algorithm identifier in key not recognised");
}
}
/// <summary>
///
/// </summary>
/// <remarks>Based on <see cref="http://www.fkollmann.de/v2/post/Creating-certificates-using-BouncyCastle.aspx"/></remarks>
/// <param name="subjectName"></param>
/// <returns></returns>
public static void GenerateCertificate(string subjectName, DateTime expireOnUtc, byte[] issuingCertificate, string issuingCertificatePassword, out string password, out byte[] cerData, out byte[] pkcs12Data)
{
AsymmetricKeyParameter caPrivateKey;
var caCert = ReadCertificateFromBytes(issuingCertificate, issuingCertificatePassword, out caPrivateKey);
var caAuth = new AuthorityKeyIdentifierStructure(caCert);
var authKeyId = new AuthorityKeyIdentifier(caAuth.GetKeyIdentifier());
// Generating Random Numbers
var randomGenerator = new CryptoApiRandomGenerator();
var random = new SecureRandom(randomGenerator);
var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-()#$%^&@+=!";
var rnd = new Random();
var result = new string(
Enumerable.Repeat(chars, 15)
.Select(s => s[rnd.Next(s.Length)])
.ToArray());
password = result;
var gen = new X509V3CertificateGenerator();
var certName = new X509Name("CN=" + subjectName);
var serialNo = BigInteger.ProbablePrime(120, random);
gen.SetSerialNumber(serialNo);
gen.SetSubjectDN(certName);
gen.SetIssuerDN(caCert.IssuerDN);
// gen.SetIssuerUniqueID(caCert.IssuerUniqueID.GetBytes())
gen.SetNotAfter(expireOnUtc);
gen.SetNotBefore(DateTime.Now.Subtract(new TimeSpan(7, 0, 0, 0)));
gen.SetSignatureAlgorithm("SHA256WithRSA"); //("MD5WithRSA");
var kpgen = new RsaKeyPairGenerator();
kpgen.Init(new KeyGenerationParameters(random, 2048)); // new SecureRandom(new CryptoApiRandomGenerator()), 2048));
var subjectKeyPair = kpgen.GenerateKeyPair();
gen.SetPublicKey(subjectKeyPair.Public);
//gen.AddExtension(
// X509Extensions.ExtendedKeyUsage.Id,
// false,
// new ExtendedKeyUsage(new KeyPurposeID[] { KeyPurposeID.IdKPClientAuth, KeyPurposeID.IdKPServerAuth, KeyPurposeID.IdKPCodeSigning }));
//1.3.6.1.5.5.7.3.1 = server authentication
//1.3.6.1.5.5.7.3.2 = client authentication
//1.3.6.1.5.5.7.3.3 = code signing
var certificate = gen.Generate(caPrivateKey);
PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private);
// merge into X509Certificate2
var x509 = X509CertificateHelper.GetCertificate(certificate.GetEncoded(), null, System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.Exportable);
var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded());
if (seq.Count != 9)
{
throw new PemException("Malformed sequence in RSA private key.");
}
var rsa = new RsaPrivateKeyStructure(seq);
RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters(
rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient);
RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams);
CspParameters cspParameters = new CspParameters();
cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer";
RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters);
rsaKey.ImportParameters(rsaParameters);
x509.PrivateKey = rsaKey;
cerData = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert);
pkcs12Data = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pkcs12, password);
}
public EncKeyWithID(PrivateKeyInfo privKeyInfo)
{
this.privKeyInfo = privKeyInfo;
this.identifier = null;
}
public static void GenerateRootCertificate(string subjectName, DateTime expireOnUtc, out string password, out string pemValue, out byte[] cerData, out byte[] pkcs12Data)
{
// Generating Random Numbers
var randomGenerator = new CryptoApiRandomGenerator();
var random = new SecureRandom(randomGenerator);
var kpgen = new RsaKeyPairGenerator();
kpgen.Init(new KeyGenerationParameters(random, 2048));
var subjectKeyPair = kpgen.GenerateKeyPair();
var gen = new X509V3CertificateGenerator();
var certName = new X509Name("CN=" + subjectName);
BigInteger serialNo = BigInteger.ProbablePrime(120, random);
gen.SetSerialNumber(serialNo);
gen.SetSubjectDN(certName);
gen.SetIssuerDN(certName);
gen.SetNotAfter(expireOnUtc);
gen.SetNotBefore(DateTime.Now.Subtract(new TimeSpan(7, 0, 0, 0)));
gen.SetSignatureAlgorithm("SHA256WithRSA");
gen.SetPublicKey(subjectKeyPair.Public);
var certificate = gen.Generate(subjectKeyPair.Private, random);
var privateKeyPem = new StringBuilder();
var privateKeyPemWriter = new PemWriter(new StringWriter(privateKeyPem));
privateKeyPemWriter.WriteObject(certificate);
privateKeyPemWriter.WriteObject(subjectKeyPair.Private);
privateKeyPemWriter.Writer.Flush();
pemValue = privateKeyPem.ToString();
PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private);
var x509 = X509CertificateHelper.GetCertificate(certificate.GetEncoded(), null, System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.Exportable);
var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded());
if (seq.Count != 9)
{
throw new PemException("Malformed sequence in RSA private key.");
}
var rsa = new RsaPrivateKeyStructure(seq);
RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters(
rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient);
RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams);
CspParameters cspParameters = new CspParameters();
cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer";
RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters);
rsaKey.ImportParameters(rsaParameters);
x509.PrivateKey = rsaKey;
// Generating Random Numbers
var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-()#$%^&@+=!";
var rnd = new Random();
var result = new string(
Enumerable.Repeat(chars, 15)
.Select(s => s[rnd.Next(s.Length)])
.ToArray());
password = result;
cerData = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert);
pkcs12Data = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password);
}
public EncKeyWithID(PrivateKeyInfo privKeyInfo, GeneralName generalName)
{
this.privKeyInfo = privKeyInfo;
this.identifier = generalName;
}
public static AsymmetricKeyParameter CreateKey(byte[] privateKeyInfoData)
{
return(CreateKey(PrivateKeyInfo.GetInstance(Asn1Object.FromByteArray(privateKeyInfoData))));
}
/// <summary>
/// Generates a ca certificate
/// </summary>
/// <param name="privateKey">The CA private key used to sign certificates</param>
/// <param name="base64EncodedCer">The cer file used to configure the browser</param>
/// <returns></returns>
public static void GenerateCACert(out string privateKey, out string base64EncodedCer)
{
string subjectName = CA_NAME;
int keyStrength = 1024;
// Generating Random Numbers
var randomGenerator = new CryptoApiRandomGenerator();
var random = new SecureRandom(randomGenerator);
// The Certificate Generator
var certificateGenerator = new X509V3CertificateGenerator();
// Serial Number
var serialNumber = BigIntegers.CreateRandomInRange(BigInteger.One, BigInteger.ValueOf(Int64.MaxValue), random);
certificateGenerator.SetSerialNumber(serialNumber);
// Issuer and Subject Name
var subjectDN = new X509Name(subjectName);
var issuerDN = subjectDN;
certificateGenerator.SetIssuerDN(issuerDN);
certificateGenerator.SetSubjectDN(subjectDN);
// Valid For
var notBefore = DateTime.UtcNow.Date;
var notAfter = notBefore.AddYears(2);
certificateGenerator.SetNotBefore(notBefore);
certificateGenerator.SetNotAfter(notAfter);
certificateGenerator.AddExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(0));
// Subject Public Key
AsymmetricCipherKeyPair subjectKeyPair;
var keyGenerationParameters = new KeyGenerationParameters(random, keyStrength);
var keyPairGenerator = new RsaKeyPairGenerator();
keyPairGenerator.Init(keyGenerationParameters);
subjectKeyPair = keyPairGenerator.GenerateKeyPair();
certificateGenerator.SetPublicKey(subjectKeyPair.Public);
// Generating the Certificate
var issuerKeyPair = subjectKeyPair;
ISignatureFactory signatureFactory = new Asn1SignatureFactory("SHA256WithRSA", issuerKeyPair.Private, random);
var certificate = certificateGenerator.Generate(signatureFactory);
base64EncodedCer = String.Format("-----BEGIN CERTIFICATE-----\r\n{0}\r\n-----END CERTIFICATE-----",
Convert.ToBase64String(certificate.GetEncoded()));
//var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded());
//System.Security.Cryptography.X509Certificates.X509Certificate dotNetCert = DotNetUtilities.ToX509Certificate(certificate);
//X509Certificate2 dotNetCert2 = new X509Certificate2(dotNetCert);
// Add CA certificate to Root store
//AddCertToStore(dotNetCert2, StoreName.Root, StoreLocation.LocalMachine);
PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(issuerKeyPair.Private);
privateKey = Convert.ToBase64String(info.GetEncoded());
}
public static AsymmetricKeyParameter CreateKey(Stream inStr)
{
return(CreateKey(PrivateKeyInfo.GetInstance(Asn1Object.FromStream(inStr))));
}
/**
* Read a Key Pair
*/
private object ReadPrivateKey(PemObject pemObject)
{
//
// extract the key
//
Debug.Assert(Platform.EndsWith(pemObject.Type, "PRIVATE KEY"));
string type = pemObject.Type.Substring(0, pemObject.Type.Length - "PRIVATE KEY".Length).Trim();
byte[] keyBytes = pemObject.Content;
IDictionary <string, string> fields = new Dictionary <string, string>();
foreach (PemHeader header in pemObject.Headers)
{
fields[header.Name] = header.Value;
}
if (fields.ContainsKey("Proc-Type"))
{
string procType = (string)fields["Proc-Type"];
if (procType == "4,ENCRYPTED")
{
if (pFinder == null)
{
throw new PasswordException("No password finder specified, but a password is required");
}
char[] password = pFinder.GetPassword();
if (password == null)
{
throw new PasswordException("Password is null, but a password is required");
}
string dekInfo = (string)fields["DEK-Info"];
string[] tknz = dekInfo.Split(',');
string dekAlgName = tknz[0].Trim();
byte[] iv = Hex.Decode(tknz[1].Trim());
throw new NotImplementedException("Have not pulled in the entire crypto library.");
/*
* keyBytes = PemUtilities.Crypt(false, keyBytes, password, dekAlgName, iv);
*/
}
}
try
{
AsymmetricKeyParameter pubSpec, privSpec;
Asn1Sequence seq = Asn1Sequence.GetInstance(keyBytes);
switch (type)
{
case "RSA":
{
if (seq.Count != 9)
{
throw new PemException("malformed sequence in RSA private key");
}
RsaPrivateKeyStructure rsa = RsaPrivateKeyStructure.GetInstance(seq);
pubSpec = new RsaKeyParameters(false, rsa.Modulus, rsa.PublicExponent);
privSpec = new RsaPrivateCrtKeyParameters(
rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent,
rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2,
rsa.Coefficient);
break;
}
case "DSA":
{
if (seq.Count != 6)
{
throw new PemException("malformed sequence in DSA private key");
}
// TODO Create an ASN1 object somewhere for this?
//DerInteger v = (DerInteger)seq[0];
DerInteger p = (DerInteger)seq[1];
DerInteger q = (DerInteger)seq[2];
DerInteger g = (DerInteger)seq[3];
DerInteger y = (DerInteger)seq[4];
DerInteger x = (DerInteger)seq[5];
DsaParameters parameters = new DsaParameters(p.Value, q.Value, g.Value);
privSpec = new DsaPrivateKeyParameters(x.Value, parameters);
pubSpec = new DsaPublicKeyParameters(y.Value, parameters);
break;
}
#if ENABLE_EC
case "EC":
{
ECPrivateKeyStructure pKey = ECPrivateKeyStructure.GetInstance(seq);
AlgorithmIdentifier algId = new AlgorithmIdentifier(
X9ObjectIdentifiers.IdECPublicKey, pKey.GetParameters());
PrivateKeyInfo privInfo = new PrivateKeyInfo(algId, pKey.ToAsn1Object());
// TODO Are the keys returned here ECDSA, as Java version forces?
privSpec = PrivateKeyFactory.CreateKey(privInfo);
DerBitString pubKey = pKey.GetPublicKey();
if (pubKey != null)
{
SubjectPublicKeyInfo pubInfo = new SubjectPublicKeyInfo(algId, pubKey.GetBytes());
// TODO Are the keys returned here ECDSA, as Java version forces?
pubSpec = PublicKeyFactory.CreateKey(pubInfo);
}
else
{
pubSpec = ECKeyPairGenerator.GetCorrespondingPublicKey(
(ECPrivateKeyParameters)privSpec);
}
break;
}
#endif
case "ENCRYPTED":
{
char[] password = pFinder.GetPassword();
if (password == null)
{
throw new PasswordException("Password is null, but a password is required");
}
throw new NotImplementedException("decrypting encrypted keys is not currently supported");
//return PrivateKeyFactory.DecryptKey(password, EncryptedPrivateKeyInfo.GetInstance(seq));
}
case "":
{
return(PrivateKeyFactory.CreateKey(PrivateKeyInfo.GetInstance(seq)));
}
default:
throw new ArgumentException("Unknown key type: " + type, "type");
}
return(new AsymmetricCipherKeyPair(pubSpec, privSpec));
}
catch (IOException e)
{
throw e;
}
catch (Exception e)
{
throw new PemException(
"problem creating " + type + " private key: " + e.ToString());
}
}
public static AsymmetricKeyParameter CreateKey(PrivateKeyInfo keyInfo)
{
//IL_02a2: Unknown result type (might be due to invalid IL or missing references)
AlgorithmIdentifier privateKeyAlgorithm = keyInfo.PrivateKeyAlgorithm;
DerObjectIdentifier algorithm = privateKeyAlgorithm.Algorithm;
if (algorithm.Equals(PkcsObjectIdentifiers.RsaEncryption) || algorithm.Equals(X509ObjectIdentifiers.IdEARsa) || algorithm.Equals(PkcsObjectIdentifiers.IdRsassaPss) || algorithm.Equals(PkcsObjectIdentifiers.IdRsaesOaep))
{
RsaPrivateKeyStructure instance = RsaPrivateKeyStructure.GetInstance(keyInfo.ParsePrivateKey());
return(new RsaPrivateCrtKeyParameters(instance.Modulus, instance.PublicExponent, instance.PrivateExponent, instance.Prime1, instance.Prime2, instance.Exponent1, instance.Exponent2, instance.Coefficient));
}
if (algorithm.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
{
DHParameter dHParameter = new DHParameter(Asn1Sequence.GetInstance(privateKeyAlgorithm.Parameters.ToAsn1Object()));
DerInteger derInteger = (DerInteger)keyInfo.ParsePrivateKey();
int l = dHParameter.L?.IntValue ?? 0;
DHParameters parameters = new DHParameters(dHParameter.P, dHParameter.G, null, l);
return(new DHPrivateKeyParameters(derInteger.Value, parameters, algorithm));
}
if (algorithm.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
{
ElGamalParameter elGamalParameter = new ElGamalParameter(Asn1Sequence.GetInstance(privateKeyAlgorithm.Parameters.ToAsn1Object()));
DerInteger derInteger2 = (DerInteger)keyInfo.ParsePrivateKey();
return(new ElGamalPrivateKeyParameters(derInteger2.Value, new ElGamalParameters(elGamalParameter.P, elGamalParameter.G)));
}
if (algorithm.Equals(X9ObjectIdentifiers.IdDsa))
{
DerInteger derInteger3 = (DerInteger)keyInfo.ParsePrivateKey();
Asn1Encodable parameters2 = privateKeyAlgorithm.Parameters;
DsaParameters parameters3 = null;
if (parameters2 != null)
{
DsaParameter instance2 = DsaParameter.GetInstance(parameters2.ToAsn1Object());
parameters3 = new DsaParameters(instance2.P, instance2.Q, instance2.G);
}
return(new DsaPrivateKeyParameters(derInteger3.Value, parameters3));
}
if (algorithm.Equals(X9ObjectIdentifiers.IdECPublicKey))
{
X962Parameters x962Parameters = new X962Parameters(privateKeyAlgorithm.Parameters.ToAsn1Object());
X9ECParameters x9ECParameters = ((!x962Parameters.IsNamedCurve) ? new X9ECParameters((Asn1Sequence)x962Parameters.Parameters) : ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)x962Parameters.Parameters));
ECPrivateKeyStructure instance3 = ECPrivateKeyStructure.GetInstance(keyInfo.ParsePrivateKey());
BigInteger key = instance3.GetKey();
if (x962Parameters.IsNamedCurve)
{
return(new ECPrivateKeyParameters("EC", key, (DerObjectIdentifier)x962Parameters.Parameters));
}
ECDomainParameters parameters4 = new ECDomainParameters(x9ECParameters.Curve, x9ECParameters.G, x9ECParameters.N, x9ECParameters.H, x9ECParameters.GetSeed());
return(new ECPrivateKeyParameters(key, parameters4));
}
if (algorithm.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
{
Gost3410PublicKeyAlgParameters gost3410PublicKeyAlgParameters = new Gost3410PublicKeyAlgParameters(Asn1Sequence.GetInstance(privateKeyAlgorithm.Parameters.ToAsn1Object()));
ECDomainParameters byOid = ECGost3410NamedCurves.GetByOid(gost3410PublicKeyAlgParameters.PublicKeyParamSet);
if (byOid == null)
{
throw new ArgumentException("Unrecognized curve OID for GostR3410x2001 private key");
}
Asn1Object asn1Object = keyInfo.ParsePrivateKey();
ECPrivateKeyStructure eCPrivateKeyStructure = ((!(asn1Object is DerInteger)) ? ECPrivateKeyStructure.GetInstance(asn1Object) : new ECPrivateKeyStructure(byOid.N.BitLength, ((DerInteger)asn1Object).Value));
return(new ECPrivateKeyParameters("ECGOST3410", eCPrivateKeyStructure.GetKey(), gost3410PublicKeyAlgParameters.PublicKeyParamSet));
}
if (algorithm.Equals(CryptoProObjectIdentifiers.GostR3410x94))
{
Gost3410PublicKeyAlgParameters gost3410PublicKeyAlgParameters2 = new Gost3410PublicKeyAlgParameters(Asn1Sequence.GetInstance(privateKeyAlgorithm.Parameters.ToAsn1Object()));
DerOctetString derOctetString = (DerOctetString)keyInfo.ParsePrivateKey();
BigInteger x = new BigInteger(1, Arrays.Reverse(derOctetString.GetOctets()));
return(new Gost3410PrivateKeyParameters(x, gost3410PublicKeyAlgParameters2.PublicKeyParamSet));
}
throw new SecurityUtilityException("algorithm identifier in key not recognised");
}
private static void RsaKeyGeneratorTest()
{
//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();
//获取公钥和私钥
AsymmetricKeyParameter publicKey = keyPair.Public;
AsymmetricKeyParameter privateKey = keyPair.Private;
if (((RsaKeyParameters)publicKey).Modulus.BitLength < 1024)
{
Console.WriteLine("failed key generation (1024) length test");
}
savetheKey(publicKey, privateKey);
//一个测试……………………
//输入，十六进制的字符串，解码为byte[]
//string input = "4e6f77206973207468652074696d6520666f7220616c6c20676f6f64206d656e";
//byte[] testData = Org.BouncyCastle.Utilities.Encoders.Hex.Decode(input);
string input = "popozh RSA test";
byte[] testData = Encoding.UTF8.GetBytes(input);
//非对称加密算法，加解密用
IAsymmetricBlockCipher engine = new RsaEngine();
//公钥加密
//从保存在本地的磁盘文件中读取公钥
Asn1Object aobject = Asn1Object.FromStream(new FileStream(pubKeyFile, FileMode.Open, FileAccess.Read)); //a.puk??
SubjectPublicKeyInfo pubInfo = SubjectPublicKeyInfo.GetInstance(aobject);
AsymmetricKeyParameter testpublicKey = (RsaKeyParameters)PublicKeyFactory.CreateKey(pubInfo);
FileStream fs;
engine.Init(true, testpublicKey);
try
{
//Console.WriteLine("加密前:" + Convert.ToBase64String(testData) + Environment.NewLine);
testData = engine.ProcessBlock(testData, 0, testData.Length);
Console.WriteLine("加密完成！" + Environment.NewLine);
fs = new FileStream(ecyFile, FileMode.Create, FileAccess.Write);
fs.Write(testData, 0, testData.Length);
fs.Close();
Console.WriteLine("保存密文成功" + Environment.NewLine);
}
catch (Exception ex)
{
Console.WriteLine("failed - exception " + Environment.NewLine + ex.ToString());
}
//私钥解密
//获取加密的私钥，进行解密，获得私钥
fs = new FileStream(ecyFile, FileMode.Open, FileAccess.Read);
byte[] anothertestdata = new byte[1024];
fs.Read(anothertestdata, 0, anothertestdata.Length);
fs.Close();
Asn1Object aobj = Asn1Object.FromStream(new FileStream(priKeyFile, FileMode.Open, FileAccess.Read)); //a.pvk??
EncryptedPrivateKeyInfo enpri = EncryptedPrivateKeyInfo.GetInstance(aobj);
char[] password = "******".ToCharArray();
PrivateKeyInfo priKey = PrivateKeyInfoFactory.CreatePrivateKeyInfo(password, enpri); //解密
AsymmetricKeyParameter anotherprivateKey = PrivateKeyFactory.CreateKey(priKey); //私钥
engine.Init(false, anotherprivateKey);
try
{
anothertestdata = engine.ProcessBlock(anothertestdata, 0, testData.Length);
Console.WriteLine("解密后密文为：" + Encoding.UTF8.GetString(anothertestdata) + Environment.NewLine);
}
catch (Exception e)
{
Console.WriteLine("failed - exception " + e.ToString());
}
Console.Read();
}
public static AsymmetricKeyParameter CreateKey(
PrivateKeyInfo keyInfo)
{
AlgorithmIdentifier algID = keyInfo.AlgorithmID;
DerObjectIdentifier algOid = algID.ObjectID;
// TODO See RSAUtil.isRsaOid in Java build
if (algOid.Equals(PkcsObjectIdentifiers.RsaEncryption) ||
algOid.Equals(X509ObjectIdentifiers.IdEARsa) ||
algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss) ||
algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep))
{
RsaPrivateKeyStructure keyStructure = new RsaPrivateKeyStructure(
Asn1Sequence.GetInstance(keyInfo.PrivateKey));
return(new RsaPrivateCrtKeyParameters(
keyStructure.Modulus,
keyStructure.PublicExponent,
keyStructure.PrivateExponent,
keyStructure.Prime1,
keyStructure.Prime2,
keyStructure.Exponent1,
keyStructure.Exponent2,
keyStructure.Coefficient));
}
else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
{
DHParameter para = new DHParameter(
Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
DerInteger derX = (DerInteger)keyInfo.PrivateKey;
BigInteger lVal = para.L;
int l = lVal == null ? 0 : lVal.IntValue;
DHParameters dhParams = new DHParameters(para.P, para.G, null, l);
return(new DHPrivateKeyParameters(derX.Value, dhParams));
}
else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
{
ElGamalParameter para = new ElGamalParameter(
Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
DerInteger derX = (DerInteger)keyInfo.PrivateKey;
return(new ElGamalPrivateKeyParameters(
derX.Value,
new ElGamalParameters(para.P, para.G)));
}
else if (algOid.Equals(X9ObjectIdentifiers.IdDsa))
{
DerInteger derX = (DerInteger)keyInfo.PrivateKey;
Asn1Encodable ae = algID.Parameters;
DsaParameters parameters = null;
if (ae != null)
{
DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object());
parameters = new DsaParameters(para.P, para.Q, para.G);
}
return(new DsaPrivateKeyParameters(derX.Value, parameters));
}
else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey))
{
X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object());
X9ECParameters ecP;
if (para.IsNamedCurve)
{
ecP = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters);
}
else
{
ecP = new X9ECParameters((Asn1Sequence)para.Parameters);
}
ECDomainParameters dParams = new ECDomainParameters(
ecP.Curve,
ecP.G,
ecP.N,
ecP.H,
ecP.GetSeed());
ECPrivateKeyStructure ec = new ECPrivateKeyStructure(
Asn1Sequence.GetInstance(keyInfo.PrivateKey));
return(new ECPrivateKeyParameters(ec.GetKey(), dParams));
}
else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
{
Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
ECPrivateKeyStructure ec = new ECPrivateKeyStructure(
Asn1Sequence.GetInstance(keyInfo.PrivateKey));
ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet);
if (ecP == null)
{
return(null);
}
return(new ECPrivateKeyParameters("ECGOST3410", ec.GetKey(), gostParams.PublicKeyParamSet));
}
else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94))
{
Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
DerOctetString derX = (DerOctetString)keyInfo.PrivateKey;
byte[] keyEnc = derX.GetOctets();
byte[] keyBytes = new byte[keyEnc.Length];
for (int i = 0; i != keyEnc.Length; i++)
{
keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // was little endian
}
BigInteger x = new BigInteger(1, keyBytes);
return(new Gost3410PrivateKeyParameters(x, gostParams.PublicKeyParamSet));
}
else
{
throw new SecurityUtilityException("algorithm identifier in key not recognised");
}
}
public Pkcs8EncryptedPrivateKeyInfoBuilder(byte[] privateKeyInfo) : this(PrivateKeyInfo.GetInstance(privateKeyInfo))
{
}
public void TestCertMangling()
{
string certString = @"MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx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";
X509Certificate2 c = new X509Certificate2();
c.Import(Convert.FromBase64String(certString));
Assert.AreEqual("[email protected], CN=www.google.com, O=\"Google, Inc\", L=Mountain View, S=California, C=US", c.Issuer);
//Assert.AreEqual("CN=Microsoft Corporate Root CA, O=Microsoft Corporation", c.Subject);
Assert.AreEqual("X509", c.GetFormat());
Assert.AreEqual("1.2.840.10045.2.1", c.GetKeyAlgorithm());
Assert.AreEqual("06052B81040022", c.GetKeyAlgorithmParametersString());
Assert.AreEqual("ECC", c.PublicKey.Oid.FriendlyName);
ECDiffieHellmanPublicKey certKey = CryptoUtils.ImportEccPublicKeyFromCertificate(c);
//Console.WriteLine(certKey.ToXmlString());
// https://blogs.msdn.microsoft.com/shawnfa/2007/01/22/elliptic-curve-diffie-hellman/
// http://stackoverflow.com/questions/11266711/using-cngkey-to-generate-rsa-key-pair-in-pem-dkim-compatible-using-c-simi
{
string input = "eyJhbGciOiJFUzM4NCIsIng1dSI6Ik1IWXdFQVlIS29aSXpqMENBUVlGSzRFRUFDSURZZ0FFN25uWnBDZnhtQ3JTd0RkQnY3ZUJYWE10S2hyb3hPcmlFcjNobU1PSkF1dy9acFFYajFLNUdHdEhTNENwRk50dGQxSllBS1lvSnhZZ2F5a3BpZTBFeUF2M3FpSzZ1dElIMnFuT0F0M1ZOclFZWGZJWkpTL1ZSZTNJbDhQZ3U5Q0IifQo.eyJleHAiOjE0NjQ5ODM4NDUsImV4dHJhRGF0YSI6eyJkaXNwbGF5TmFtZSI6Imd1cnVueCIsImlkZW50aXR5IjoiYWY2ZjdjNWUtZmNlYS0zZTQzLWJmM2EtZTAwNWU0MDBlNTc4In0sImlkZW50aXR5UHVibGljS2V5IjoiTUhZd0VBWUhLb1pJemowQ0FRWUZLNEVFQUNJRFlnQUU3bm5acENmeG1DclN3RGRCdjdlQlhYTXRLaHJveE9yaUVyM2htTU9KQXV3L1pwUVhqMUs1R0d0SFM0Q3BGTnR0ZDFKWUFLWW9KeFlnYXlrcGllMEV5QXYzcWlLNnV0SUgycW5PQXQzVk5yUVlYZklaSlMvVlJlM0lsOFBndTlDQiIsIm5iZiI6MTQ2NDk4Mzg0NH0K.4OrvYYbX09iwOkz-7_N_5yEejuATcUogEbe69fB-kr7r6sH_qSu6bxp9L64SEgABb0rU7tyYCLVnaCSQjd9Dvb34WI9EducgOPJ92qHspcpXr7j716LDfhZE31ksMtWQ";
ECDiffieHellmanPublicKey rootKey = CryptoUtils.CreateEcDiffieHellmanPublicKey("MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V");
Console.WriteLine($"Root Public Key:\n{rootKey.ToXmlString()}");
CngKey key = CngKey.Import(rootKey.ToByteArray(), CngKeyBlobFormat.EccPublicBlob);
Console.WriteLine("Key family: " + key.AlgorithmGroup);
// "identityPublicKey": "MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE7nnZpCfxmCrSwDdBv7eBXXMtKhroxOriEr3hmMOJAuw/ZpQXj1K5GGtHS4CpFNttd1JYAKYoJxYgaykpie0EyAv3qiK6utIH2qnOAt3VNrQYXfIZJS/VRe3Il8Pgu9CB",
var newKey = CryptoUtils.ImportECDsaCngKeyFromString("MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE7nnZpCfxmCrSwDdBv7eBXXMtKhroxOriEr3hmMOJAuw/ZpQXj1K5GGtHS4CpFNttd1JYAKYoJxYgaykpie0EyAv3qiK6utIH2qnOAt3VNrQYXfIZJS/VRe3Il8Pgu9CB");
string decoded = JWT.Decode(input, newKey);
//Assert.AreEqual("", decoded);
//ECDsaCng t = new ECDsaCng();
//t.HashAlgorithm = CngAlgorithm.ECDiffieHellmanP384;
//t.KeySize = 384;
//byte[] test = t.Key.Export(CngKeyBlobFormat.EccPublicBlob);
//Assert.AreEqual(test, newKey);
//string decoded = JWT.Decode(input, t.Key);
}
// Private key (in reality this is not necessary since we will generate it)
AsymmetricKeyParameter privKey = PrivateKeyFactory.CreateKey(Base64Url.Decode("MB8CAQAwEAYHKoZIzj0CAQYFK4EEACIECDAGAgEBBAEB"));
PrivateKeyInfo privKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(privKey);
byte[] derKey = privKeyInfo.GetDerEncoded();
CngKey privCngKey = CngKey.Import(derKey, CngKeyBlobFormat.Pkcs8PrivateBlob);
Console.WriteLine(privKeyInfo.PrivateKeyAlgorithm.Algorithm);
Console.WriteLine(privCngKey.Algorithm.Algorithm);
// Public key
ECDiffieHellmanPublicKey clientKey = CryptoUtils.CreateEcDiffieHellmanPublicKey("MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEDEKneqEvcqUqqFMM1HM1A4zWjJC+I8Y+aKzG5dl+6wNOHHQ4NmG2PEXRJYhujyodFH+wO0dEr4GM1WoaWog8xsYQ6mQJAC0eVpBM96spUB1eMN56+BwlJ4H3Qx4TAvAs");
// EC key to generate shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(privCngKey);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = new byte[128]; // Server token
//ecKey.SecretPrepend = new byte[0]; // Server token
Console.WriteLine(ecKey.HashAlgorithm);
Console.WriteLine(ecKey.KeyExchangeAlgorithm);
byte[] secret = ecKey.DeriveKeyMaterial(clientKey);
Console.WriteLine(Package.HexDump(secret));
Console.WriteLine(Package.HexDump(Base64Url.Decode("ZOBpyzki/M8UZv5tiBih048eYOBVPkQE3r5Fl0gmUP4=")));
Console.WriteLine(Package.HexDump(Base64Url.Decode("DEKneqEvcqUqqFMM1HM1A4zWjJC+I8Y+aKzG5dl+6wNOHHQ4NmG2PEXRJYhujyod")));
//Console.WriteLine(Package.HexDump(Base64Url.Decode("DEKneqEvcqUqqFMM1HM1A4zWjJC+I8Y+aKzG5dl+6wNOHHQ4NmG2PEXRJYhujyod")));
}
private SimpleTestResult EncodeRecodePrivateKey()
{
DerObjectIdentifier oid = ECGost3410NamedCurves.GetOid("Tc26-Gost-3410-12-512-paramSetA");
ECNamedDomainParameters ecp = new ECNamedDomainParameters(oid, ECGost3410NamedCurves.GetByOid(oid));
ECGost3410Parameters gostParams = new ECGost3410Parameters(ecp, oid, RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512, null);
ECKeyGenerationParameters parameters = new ECKeyGenerationParameters(gostParams, new SecureRandom());
ECKeyPairGenerator engine = new ECKeyPairGenerator();
engine.Init(parameters);
AsymmetricCipherKeyPair pair = engine.GenerateKeyPair();
ECPrivateKeyParameters generatedKeyParameters = (ECPrivateKeyParameters)pair.Private;
ECPrivateKeyParameters keyParameters = generatedKeyParameters;
//
// Continuously encode/decode the key and check for loss of information.
//
for (int t = 0; t < 3; t++)
{
PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(keyParameters);
keyParameters = (ECPrivateKeyParameters)PrivateKeyFactory.CreateKey(info);
{
// Specifically cast and test gost parameters.
ECGost3410Parameters gParam = (ECGost3410Parameters)generatedKeyParameters.Parameters;
ECGost3410Parameters rParam = (ECGost3410Parameters)keyParameters.Parameters;
bool ok = SafeEquals(gParam.DigestParamSet, rParam.DigestParamSet) &&
SafeEquals(gParam.EncryptionParamSet, rParam.EncryptionParamSet) &&
SafeEquals(gParam.PublicKeyParamSet, rParam.PublicKeyParamSet);
if (!ok)
{
return(new SimpleTestResult(false, "GOST parameters does not match"));
}
}
if (keyParameters.IsPrivate != generatedKeyParameters.IsPrivate)
{
return(new SimpleTestResult(false, "isPrivate does not match"));
}
if (!keyParameters.D.Equals(generatedKeyParameters.D))
{
return(new SimpleTestResult(false, "D does not match"));
}
if (!((ECGost3410Parameters)keyParameters.Parameters).Name.Equals(
((ECGost3410Parameters)generatedKeyParameters.Parameters).Name))
{
return(new SimpleTestResult(false, "Name does not match"));
}
if (!keyParameters.Parameters.Curve.Equals(generatedKeyParameters.Parameters.Curve))
{
return(new SimpleTestResult(false, "Curve does not match"));
}
if (!Arrays.AreEqual(
keyParameters.Parameters.G.GetEncoded(true),
generatedKeyParameters.Parameters.G.GetEncoded(true)))
{
return(new SimpleTestResult(false, "G does not match"));
}
if (!keyParameters.Parameters.H.Equals(generatedKeyParameters.Parameters.H))
{
return(new SimpleTestResult(false, "H does not match"));
}
if (!keyParameters.Parameters.HInv.Equals(generatedKeyParameters.Parameters.HInv))
{
return(new SimpleTestResult(false, "Hinv does not match"));
}
if (!keyParameters.Parameters.N.Equals(generatedKeyParameters.Parameters.N))
{
return(new SimpleTestResult(false, "N does not match"));
}
if (!Arrays.AreEqual(keyParameters.Parameters.GetSeed(), generatedKeyParameters.Parameters.GetSeed()))
{
return(new SimpleTestResult(false, "Seed does not match"));
}
}
return(new SimpleTestResult(true, null));
}
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;
}
}
}
}