internal static AsymmetricKeyParameter GetPrivateKeyFromPEM(Org.BouncyCastle.Utilities.IO.Pem.PemObject pem)
{
if (pem == null)
{
throw new ArgumentNullException(nameof(pem));
}
if (pem.Type.EndsWith("EC PRIVATE KEY"))
{
var sequence = Asn1Sequence.GetInstance(pem.Content);
var e = sequence.GetEnumerator();
e.MoveNext();
var version = ((DerInteger)e.Current).Value;
PrivateKeyInfo privateKeyInfo;
if (version.IntValue == 0) //V1
{
privateKeyInfo = PrivateKeyInfo.GetInstance(sequence);
}
else
{
var ec = ECPrivateKeyStructure.GetInstance(sequence);
var algId = new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, ec.GetParameters());
privateKeyInfo = new PrivateKeyInfo(algId, ec.ToAsn1Object());
}
return(PrivateKeyFactory.CreateKey(privateKeyInfo));
}
else if (pem.Type.EndsWith("PRIVATE KEY"))
{
return(PrivateKeyFactory.CreateKey(pem.Content));
}
return(null);
}
AsymmetricKeyParameter DecryptAsymmetricKeyParameter(byte[] buffer, int length)
{
using (var memory = new MemoryStream(buffer, 0, length, false)) {
using (var asn1 = new Asn1InputStream(memory)) {
var sequence = asn1.ReadObject() as Asn1Sequence;
if (sequence == null)
{
return(null);
}
var encrypted = EncryptedPrivateKeyInfo.GetInstance(sequence);
var algorithm = encrypted.EncryptionAlgorithm;
var encoded = encrypted.GetEncryptedData();
var cipher = PbeUtilities.CreateEngine(algorithm) as IBufferedCipher;
if (cipher == null)
{
return(null);
}
var cipherParameters = PbeUtilities.GenerateCipherParameters(algorithm, passwd);
cipher.Init(false, cipherParameters);
var decrypted = cipher.DoFinal(encoded);
var keyInfo = PrivateKeyInfo.GetInstance(decrypted);
return(PrivateKeyFactory.CreateKey(keyInfo));
}
}
}
public static AsymmetricKeyParameter CreateKey(
byte[] privateKeyInfoData)
{
return(CreateKey(
PrivateKeyInfo.GetInstance(
Asn1Object.FromByteArray(privateKeyInfoData))));
}
/**
* 获取der编码格式中的纯私钥数据
*/
public static byte[] GetPrivateKeyFormDER(byte[] derData)
{
PrivateKeyInfo pinfo = PrivateKeyInfo.GetInstance(derData);
ECPrivateKeyStructure cpk = ECPrivateKeyStructure.GetInstance(pinfo.ParsePrivateKey());
int length = 32;
byte[] bytes = cpk.GetKey().ToByteArray();
if (bytes.Length == length)
{
return(bytes);
}
int start = bytes[0] == 0 ? 1 : 0;
int count = bytes.Length - start;
if (count > length)
{
throw new ArgumentException("privateKey data is error");
}
byte[] tmp = new byte[length];
Buffer.BlockCopy(bytes, start, tmp, tmp.Length - count, count);
return(tmp);
}
public static AsymmetricKeyParameter CreateKey(
Stream inStr)
{
return(CreateKey(
PrivateKeyInfo.GetInstance(
new Asn1InputStream(inStr).ReadObject())));
}
public static AsymmetricKeyParameter CreateKey(
Stream inStr)
{
return(CreateKey(
PrivateKeyInfo.GetInstance(
Asn1Object.FromStream(inStr))));
}
internal static AsymmetricKeyParameter GetPrivateKeyFromPEM(Org.BouncyCastle.Utilities.IO.Pem.PemObject pem)
{
AsymmetricKeyParameter result = null;
if (pem.Type.EndsWith("EC PRIVATE KEY"))
{
Asn1Sequence sequence = Asn1Sequence.GetInstance(pem.Content);
IEnumerator e = sequence.GetEnumerator();
e.MoveNext();
BigInteger version = ((DerInteger)e.Current).Value;
PrivateKeyInfo privateKeyInfo;
if (version.IntValue == 0) //V1
{
privateKeyInfo = PrivateKeyInfo.GetInstance(sequence);
}
else
{
Org.BouncyCastle.Asn1.Sec.ECPrivateKeyStructure ec = Org.BouncyCastle.Asn1.Sec.ECPrivateKeyStructure.GetInstance(sequence);
AlgorithmIdentifier algId = new AlgorithmIdentifier(Org.BouncyCastle.Asn1.X9.X9ObjectIdentifiers.IdECPublicKey, ec.GetParameters());
privateKeyInfo = new PrivateKeyInfo(algId, ec.ToAsn1Object());
}
result = Org.BouncyCastle.Security.PrivateKeyFactory.CreateKey(privateKeyInfo);
}
else if (pem.Type.EndsWith("PRIVATE KEY"))
{
result = Org.BouncyCastle.Security.PrivateKeyFactory.CreateKey(pem.Content);
}
return(result);
}
public object GetBagValue()
{
if (Type.Equals(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag))
{
return(new Pkcs8EncryptedPrivateKeyInfo(EncryptedPrivateKeyInfo.GetInstance(safeBag.BagValue)));
}
if (Type.Equals(PkcsObjectIdentifiers.CertBag))
{
CertBag certBag = CertBag.GetInstance(safeBag.BagValue);
return(new X509Certificate(X509CertificateStructure.GetInstance(Asn1OctetString.GetInstance(certBag.CertValue).GetOctets())));
}
if (Type.Equals(PkcsObjectIdentifiers.KeyBag))
{
return(PrivateKeyInfo.GetInstance(safeBag.BagValue));
}
if (Type.Equals(PkcsObjectIdentifiers.CrlBag))
{
CrlBag crlBag = CrlBag.GetInstance(safeBag.BagValue);
return(new X509Crl(CertificateList.GetInstance(Asn1OctetString.GetInstance(crlBag.CrlValue).GetOctets())));
}
return(safeBag.BagValue);
}
public DecFormatter()
{
SupportedMediaTypes.Add(new MediaTypeHeaderValue("application/octet-stream"));
// 載入私鑰.
AsymmetricCipherKeyPair keyPair = ReadPem(this.pri_key);
PrivateKeyInfo privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(keyPair.Private);
Asn1Object asn1ObjectPrivate = privateKeyInfo.ToAsn1Object();
this.priKey = PrivateKeyFactory.CreateKey(PrivateKeyInfo.GetInstance(asn1ObjectPrivate));
}
public Object ParseObject(PemObject obj)
{
try
{
return(PrivateKeyInfo.GetInstance(obj.GetContent()));
}
catch (Exception e)
{
throw new OpenSslPemParsingException("problem parsing PRIVATE KEY: " + e.ToString(), e);
}
}
/// <summary>
/// Converts the 32 byte private key to a 25 word mnemonic, including a checksum.
/// Refer to the mnemonic package for additional documentation.
/// </summary>
/// <returns>return string a 25 word mnemonic</returns>
public string ToMnemonic()
{
PrivateKeyInfo privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(this.privateKeyPair.Private);
byte[] X509enc = privateKeyInfo.ToAsn1Object().GetEncoded();
PrivateKeyInfo pkinfo = PrivateKeyInfo.GetInstance(X509enc);
var keyOcts = pkinfo.ParsePrivateKey();
byte[] res = Asn1OctetString.GetInstance(keyOcts).GetOctets();
return(Mnemonic.FromKey(res));
}
public void TestGost2012()
{
byte[] data = Base64.Decode(
"MIGiAgEAMCEGCCqFAwcBAQECMBUGCSqFAwcBAgECAQYIKoUDBwEBAgMEQIXnWrZ6"
+ "ajvbCU6x9jK49PgQqCP00T/lW3laXCXueMF8X4Q1y3N9zfOJT2s/IgyPJVrUhgtO"
+ "1Akp+Roh8bCPPlqgODA2BggqhQMCCQMIATEqBCi72ZvrBVW6mFL/bQeXeMTf8Jh8"
+ "p/diI7Cg8ig4mXg3tsIUf4vBi61b");
var keyInfo = PrivateKeyInfo.GetInstance(data);
var akp = Org.BouncyCastle.Security.PrivateKeyFactory.CreateKey(keyInfo);
}
public static PrivateKeyInfo CreatePrivateKeyInfo(char[] passPhrase, bool wrongPkcs12Zero, EncryptedPrivateKeyInfo encInfo)
{
AlgorithmIdentifier encryptionAlgorithm = encInfo.EncryptionAlgorithm;
IBufferedCipher bufferedCipher = PbeUtilities.CreateEngine(encryptionAlgorithm) as IBufferedCipher;
if (bufferedCipher == null)
{
throw new global::System.Exception(string.Concat((object)"Unknown encryption algorithm: ", (object)encryptionAlgorithm.Algorithm));
}
ICipherParameters parameters = PbeUtilities.GenerateCipherParameters(encryptionAlgorithm, passPhrase, wrongPkcs12Zero);
bufferedCipher.Init(forEncryption: false, parameters);
byte[] obj = bufferedCipher.DoFinal(encInfo.GetEncryptedData());
return(PrivateKeyInfo.GetInstance(obj));
}
/// <summary>
/// 加载Pkcs8格式的私钥
/// </summary>
/// <param name="privateKey"></param>
/// <returns></returns>
public static AsymmetricKeyParameter loadPrivateKeyPk8(string privateKey)
{
try
{
privateKey = KeyClear(privateKey);
byte[] prikey = Convert.FromBase64String(privateKey);
Asn1Object priKeyObj = Asn1Object.FromByteArray(prikey);//这里也可以从流中读取，从本地导入
AsymmetricKeyParameter priKey = PrivateKeyFactory.CreateKey(PrivateKeyInfo.GetInstance(priKeyObj));
return(priKey);
}
catch (Exception)
{
throw new Exception("密钥格式不正确");
}
}
private EncKeyWithID(Asn1Sequence seq)
{
this.privKeyInfo = PrivateKeyInfo.GetInstance(seq[0]);
if (seq.Count <= 1)
{
this.identifier = null;
return;
}
if (!(seq[1] is DerUtf8String))
{
this.identifier = GeneralName.GetInstance(seq[1]);
return;
}
this.identifier = seq[1];
}
/******** EXTERNAL OBJECT PUBLIC METHODS - END ********/
private bool ReadBase64(string base64)
{
byte[] keybytes = Base64.Decode(base64);
Asn1InputStream istream = new Asn1InputStream(keybytes);
Asn1Sequence seq = (Asn1Sequence)istream.ReadObject();
this.privateKeyInfo = PrivateKeyInfo.GetInstance(seq);
istream.Close();
if (this.privateKeyInfo == null)
{
this.error.setError("PK015", "Could not read private key from base64 string");
return(false);
}
this.privateKeyAlgorithm = this.privateKeyInfo.PrivateKeyAlgorithm.Algorithm.Id;//this.privateKeyInfo.GetPrivateKeyAlgorithm().getAlgorithm().getId(); // 1.2.840.113549.1.1.1
return(true);
}
/// <summary>
/// 从Pkcs8私钥中提取公钥
/// </summary>
/// <param name="privateKey">Pkcs8私钥</param>
/// <returns></returns>
public static string GetPublicKeyFromPrivateKeyPkcs8(string privateKey)
{
var privateKeyInfo = PrivateKeyInfo.GetInstance(Asn1Object.FromByteArray(Base64.Decode(privateKey)));
privateKey = Base64.ToBase64String(privateKeyInfo.ParsePrivateKey().GetEncoded());
var instance = RsaPrivateKeyStructure.GetInstance(Base64.Decode(privateKey));
var publicParameter = (AsymmetricKeyParameter) new RsaKeyParameters(false, instance.Modulus, instance.PublicExponent);
var privateParameter = (AsymmetricKeyParameter) new RsaPrivateCrtKeyParameters(instance.Modulus, instance.PublicExponent, instance.PrivateExponent, instance.Prime1, instance.Prime2, instance.Exponent1, instance.Exponent2, instance.Coefficient);
var keyPair = new AsymmetricCipherKeyPair(publicParameter, privateParameter);
var subjectPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(keyPair.Public);
return(Base64.ToBase64String(subjectPublicKeyInfo.GetEncoded()));
}
public override void PerformTest()
{
PrivateKeyInfo privInfo1 = PrivateKeyInfo.GetInstance(priv);
IsTrue(!privInfo1.HasPublicKey);
PrivateKeyInfo privInfo2 = new PrivateKeyInfo(privInfo1.PrivateKeyAlgorithm, privInfo1.ParsePrivateKey());
IsTrue("enc 1 failed", AreEqual(priv, privInfo2.GetEncoded()));
privInfo1 = PrivateKeyInfo.GetInstance(privWithPub);
IsTrue(privInfo1.HasPublicKey);
privInfo2 = new PrivateKeyInfo(privInfo1.PrivateKeyAlgorithm, privInfo1.ParsePrivateKey(), privInfo1.Attributes, privInfo1.PublicKeyData.GetOctets());
IsTrue("enc 2 failed", AreEqual(privWithPub, privInfo2.GetEncoded()));
}
/// <summary>
/// -----BEGIN PRIVATE KEY-----
/// ...
/// -----END PRIVATE KEY-----
/// </summary>
/// <param name="privateKey">Pkcs8格式私钥</param>
/// <returns></returns>
public static RSAParameters GetRsaParametersFormAsn1PrivateKey(string privateKey)
{
var keyInfo = PrivateKeyInfo.GetInstance(Asn1Object.FromByteArray(Base64.Decode(privateKey)));
var instance = RsaPrivateKeyStructure.GetInstance(keyInfo.ParsePrivateKey());
return(new RSAParameters
{
D = instance.PrivateExponent.ToByteArrayUnsigned(),
DP = instance.Exponent1.ToByteArrayUnsigned(),
DQ = instance.Exponent2.ToByteArrayUnsigned(),
Exponent = instance.PublicExponent.ToByteArrayUnsigned(),
InverseQ = instance.Coefficient.ToByteArrayUnsigned(),
Modulus = instance.Modulus.ToByteArrayUnsigned(),
P = instance.Prime1.ToByteArrayUnsigned(),
Q = instance.Prime2.ToByteArrayUnsigned(),
});
}
private static PrivateKeyInfo GetPrivateKeyInfo(byte[] encoding)
{
try
{
return(PrivateKeyInfo.GetInstance(encoding));
}
catch (ArgumentException e)
{
// OpenSSL's old format, and some others - Try just the private key data.
try
{
return(new PrivateKeyInfo(DEF_ALG_ID, Asn1Sequence.GetInstance(encoding)));
}
catch (Exception)
{
throw new ArgumentException("Unable to parse private key: " + e.Message, e);
}
}
}
private EncKeyWithID(Asn1Sequence seq)
{
privKeyInfo = PrivateKeyInfo.GetInstance(seq[0]);
if (seq.Count > 1)
{
if (!(seq[1] is DerUtf8String))
{
identifier = GeneralName.GetInstance(seq[1]);
}
else
{
identifier = seq[1];
}
}
else
{
identifier = null;
}
}
/// <summary>
/// Get a decryptor from the passed in provider and decrypt the encrypted private key info, returning the result.
/// </summary>
/// <param name="inputDecryptorProvider">A provider to query for decryptors for the object.</param>
/// <returns>The decrypted private key info structure.</returns>
public PrivateKeyInfo DecryptPrivateKeyInfo(IDecryptorBuilderProvider inputDecryptorProvider)
{
try
{
ICipherBuilder decryptorBuilder = inputDecryptorProvider.CreateDecryptorBuilder(encryptedPrivateKeyInfo.EncryptionAlgorithm);
ICipher encIn = decryptorBuilder.BuildCipher(new MemoryInputStream(encryptedPrivateKeyInfo.GetEncryptedData()));
Stream strm = encIn.Stream;
byte[] data = Streams.ReadAll(encIn.Stream);
Platform.Dispose(strm);
return(PrivateKeyInfo.GetInstance(data));
}
catch (Exception e)
{
throw new PkcsException("unable to read encrypted data: " + e.Message, e);
}
}
private void BaseOaepTest(
int id,
byte[] pubKeyEnc,
byte[] privKeyEnc,
byte[] output)
{
//
// extract the public key info.
//
Asn1Object pubKeyObj = Asn1Object.FromByteArray(pubKeyEnc);
RsaPublicKeyStructure pubStruct = RsaPublicKeyStructure.GetInstance(
SubjectPublicKeyInfo.GetInstance(pubKeyObj).GetPublicKey());
//
// extract the private key info.
//
Asn1Object privKeyObj = Asn1Object.FromByteArray(privKeyEnc);
RsaPrivateKeyStructure privStruct = RsaPrivateKeyStructure.GetInstance(
PrivateKeyInfo.GetInstance(privKeyObj).ParsePrivateKey());
RsaKeyParameters pubParameters = new RsaKeyParameters(
false,
pubStruct.Modulus,
pubStruct.PublicExponent);
RsaKeyParameters privParameters = new RsaPrivateCrtKeyParameters(
privStruct.Modulus,
privStruct.PublicExponent,
privStruct.PrivateExponent,
privStruct.Prime1,
privStruct.Prime2,
privStruct.Exponent1,
privStruct.Exponent2,
privStruct.Coefficient);
byte[] input = new byte[] {
(byte)0x54, (byte)0x85, (byte)0x9b, (byte)0x34,
(byte)0x2c, (byte)0x49, (byte)0xea, (byte)0x2a
};
EncDec("id(" + id + ")", pubParameters, privParameters, seed, input, output);
}
public static IAsymmetricPrivateKey CreatePrivateKey(byte[] encodedPrivateKeyInfo)
{
PrivateKeyInfo keyInfo = PrivateKeyInfo.GetInstance(encodedPrivateKeyInfo);
AlgorithmIdentifier algId = keyInfo.PrivateKeyAlgorithm;
if (algId.Algorithm.Equals(PkcsObjectIdentifiers.RsaEncryption) ||
algId.Algorithm.Equals(X509ObjectIdentifiers.IdEARsa))
{
return(new AsymmetricRsaPrivateKey(FipsRsa.Alg, encodedPrivateKeyInfo));
}
else if (algId.Algorithm.Equals(X9ObjectIdentifiers.IdDsa) ||
algId.Algorithm.Equals(OiwObjectIdentifiers.DsaWithSha1))
{
return(new AsymmetricDsaPrivateKey(FipsDsa.Alg, encodedPrivateKeyInfo));
}
else if (algId.Algorithm.Equals(X9ObjectIdentifiers.IdECPublicKey))
{
return(new AsymmetricECPrivateKey(FipsEC.Alg, encodedPrivateKeyInfo));
}
else if (algId.Algorithm.Equals(BCObjectIdentifiers.sphincs256))
{
return(new AsymmetricSphincsPrivateKey(Sphincs.Alg, encodedPrivateKeyInfo));
}
else if (algId.Algorithm.Equals(BCObjectIdentifiers.newHope))
{
return(new AsymmetricNHPrivateKey(NewHope.Alg, encodedPrivateKeyInfo));
}
else if (algId.Algorithm.Equals(X9ObjectIdentifiers.DHPublicNumber) ||
algId.Algorithm.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
{
return(new AsymmetricDHPrivateKey(new GeneralAlgorithm("DH"), encodedPrivateKeyInfo));
}
else if (algId.Algorithm.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
{
return(new AsymmetricDHPrivateKey(ElGamal.Alg, encodedPrivateKeyInfo));
}
else
{
throw new ArgumentException("algorithm identifier in key not recognised");
}
}
public IActionResult Get()
{
string plain_text = "hello world";
// 加密
byte[] pubkey = System.Convert.FromBase64String(pub_key);
Asn1Object pubKeyObj = Asn1Object.FromByteArray(pubkey);
AsymmetricKeyParameter pubKey = PublicKeyFactory.CreateKey(SubjectPublicKeyInfo.GetInstance(pubKeyObj));
IBufferedCipher cipher1 = CipherUtilities.GetCipher("RSA/ECB/PKCS1Padding");
cipher1.Init(true, pubKey);//true表示加密
byte[] enc_utf8 = System.Text.Encoding.UTF8.GetBytes(plain_text);
byte[] encoded_data = cipher1.DoFinal(enc_utf8);
// 解密
var keyPair = ReadPem(pri_key);
_logger.LogError(keyPair.ToString());
AsymmetricKeyParameter private_key = keyPair.Private;
PrivateKeyInfo privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(private_key);
Asn1Object asn1ObjectPrivate = privateKeyInfo.ToAsn1Object();
AsymmetricKeyParameter priKey = PrivateKeyFactory.CreateKey(PrivateKeyInfo.GetInstance(asn1ObjectPrivate));
IBufferedCipher cipher = CipherUtilities.GetCipher("RSA/ECB/PKCS1Padding");
cipher.Init(false, priKey); //false表示解密
var dec_utf8 = cipher.DoFinal(encoded_data);
var answer = System.Text.Encoding.UTF8.GetString(dec_utf8);
var result = new
{
plain_text,
enc_utf8 = (enc_utf8),
encoded_data = (encoded_data),
encoded_len = (encoded_data.Length),
dec_utf8 = (dec_utf8),
answer
};
return(Ok(result));
}
public static PrivateKeyInfo CreatePrivateKeyInfo(
char[] passPhrase,
bool wrongPkcs12Zero,
EncryptedPrivateKeyInfo encInfo)
{
AlgorithmIdentifier algID = encInfo.EncryptionAlgorithm;
IBufferedCipher cipher = PbeUtilities.CreateEngine(algID) as IBufferedCipher;
if (cipher == null)
{
throw new Exception("Unknown encryption algorithm: " + algID.Algorithm);
}
ICipherParameters cipherParameters = PbeUtilities.GenerateCipherParameters(
algID, passPhrase, wrongPkcs12Zero);
cipher.Init(false, cipherParameters);
byte[] keyBytes = cipher.DoFinal(encInfo.GetEncryptedData());
return(PrivateKeyInfo.GetInstance(keyBytes));
}
public (string PrivateKey, string PublicKey) GenerateRsaKeys(string companyName)
{
var rsaKeyPairGenerator = new RsaKeyPairGenerator();
rsaKeyPairGenerator.Init(new KeyGenerationParameters(new SecureRandom(), 2048));
var pair = rsaKeyPairGenerator.GenerateKeyPair();
var privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(pair.Private);
byte[] privateKeyPkcs8DerEncodedBytes = privateKeyInfo.ToAsn1Object().GetDerEncoded();
// privateKeyPkcs8DerEncodedBytes contains PKCS#8 DER-encoded private key as a byte[]
var pkcs8PrivateKeyInfo = PrivateKeyInfo.GetInstance(privateKeyPkcs8DerEncodedBytes);
var pkcs1Key = RsaPrivateKeyStructure.GetInstance(pkcs8PrivateKeyInfo.ParsePrivateKey());
byte[] privateKeyPkcs1EncodedBytes = pkcs1Key.GetEncoded();
var sb = new StringBuilder();
sb.AppendLine("-----BEGIN RSA PRIVATE KEY-----");
sb.AppendLine(Convert.ToBase64String(privateKeyPkcs1EncodedBytes, Base64FormattingOptions.InsertLineBreaks));
sb.AppendLine("-----END RSA PRIVATE KEY-----");
var serializedPrivate = sb.ToString();
var caName = new X509Name($"CN={companyName}");
var caCert = GenerateCertificate(caName, caName, pair.Private, pair.Public);
var certEncoded = caCert.GetEncoded();
sb = new StringBuilder();
sb.AppendLine("-----BEGIN CERTIFICATE-----");
sb.AppendLine(Convert.ToBase64String(certEncoded, Base64FormattingOptions.InsertLineBreaks));
sb.AppendLine("-----END CERTIFICATE-----");
var serializedPublic = sb.ToString();
return(serializedPrivate, serializedPublic);
}
public static PrivateKeyInfo CreatePrivateKeyInfo(
char[] passPhrase,
bool wrongPkcs12Zero,
EncryptedPrivateKeyInfo encInfo)
{
AlgorithmIdentifier algID = encInfo.EncryptionAlgorithm;
IBufferedCipher cipher = PbeUtilities.CreateEngine(algID) as IBufferedCipher;
if (cipher == null)
{
// TODO Throw exception?
}
ICipherParameters keyParameters = PbeUtilities.GenerateCipherParameters(
algID, passPhrase, wrongPkcs12Zero);
cipher.Init(false, keyParameters);
byte[] keyBytes = encInfo.GetEncryptedData();
byte[] encoding = cipher.DoFinal(keyBytes);
Asn1Object asn1Data = Asn1Object.FromByteArray(encoding);
return(PrivateKeyInfo.GetInstance(asn1Data));
}
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);
IAsymmetricKeyParameter 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
{
#if !NETFX_CORE
Console.WriteLine("extra " + b.BagID);
Console.WriteLine("extra " + Asn1Dump.DumpAsString(b));
#endif
}
}
}
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);
IAsymmetricKeyParameter 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);
IAsymmetricKeyParameter 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)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 !NETFX_CORE
Console.WriteLine("extra " + b.BagID);
Console.WriteLine("extra " + Asn1Dump.DumpAsString(b));
#endif
}
}
}
else
{
#if !NETFX_CORE
Console.WriteLine("extra " + oid);
Console.WriteLine("extra " + Asn1Dump.DumpAsString(ci.Content));
#endif
}
}
}
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)sq[0];
Asn1Set attrSet = (Asn1Set)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;
}
}
}
}
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;
}
}
}
}