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path: root/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ec/BCECPrivateKey.java
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Diffstat (limited to 'prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ec/BCECPrivateKey.java')
-rw-r--r--prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ec/BCECPrivateKey.java462
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diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ec/BCECPrivateKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ec/BCECPrivateKey.java
deleted file mode 100644
index 45d5b081..00000000
--- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ec/BCECPrivateKey.java
+++ /dev/null
@@ -1,462 +0,0 @@
-package org.bouncycastle.jcajce.provider.asymmetric.ec;
-
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.math.BigInteger;
-import java.security.interfaces.ECPrivateKey;
-import java.security.spec.ECParameterSpec;
-import java.security.spec.ECPoint;
-import java.security.spec.ECPrivateKeySpec;
-import java.security.spec.EllipticCurve;
-import java.util.Enumeration;
-
-import org.bouncycastle.asn1.ASN1Encodable;
-import org.bouncycastle.asn1.ASN1Encoding;
-import org.bouncycastle.asn1.ASN1Integer;
-import org.bouncycastle.asn1.ASN1ObjectIdentifier;
-import org.bouncycastle.asn1.ASN1Primitive;
-import org.bouncycastle.asn1.DERBitString;
-import org.bouncycastle.asn1.DERNull;
-import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
-import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
-import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
-import org.bouncycastle.asn1.x9.X962Parameters;
-import org.bouncycastle.asn1.x9.X9ECParameters;
-import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;
-import org.bouncycastle.crypto.params.ECDomainParameters;
-import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
-import org.bouncycastle.jcajce.provider.asymmetric.util.EC5Util;
-import org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil;
-import org.bouncycastle.jcajce.provider.asymmetric.util.PKCS12BagAttributeCarrierImpl;
-import org.bouncycastle.jcajce.provider.config.ProviderConfiguration;
-import org.bouncycastle.jce.interfaces.ECPointEncoder;
-import org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier;
-import org.bouncycastle.jce.provider.BouncyCastleProvider;
-import org.bouncycastle.jce.spec.ECNamedCurveSpec;
-import org.bouncycastle.math.ec.ECCurve;
-
-public class BCECPrivateKey
- implements ECPrivateKey, org.bouncycastle.jce.interfaces.ECPrivateKey, PKCS12BagAttributeCarrier, ECPointEncoder
-{
- static final long serialVersionUID = 994553197664784084L;
-
- private String algorithm = "EC";
- private boolean withCompression;
-
- private transient BigInteger d;
- private transient ECParameterSpec ecSpec;
- private transient ProviderConfiguration configuration;
- private transient DERBitString publicKey;
-
- private transient PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl();
-
- protected BCECPrivateKey()
- {
- }
-
- public BCECPrivateKey(
- ECPrivateKey key,
- ProviderConfiguration configuration)
- {
- this.d = key.getS();
- this.algorithm = key.getAlgorithm();
- this.ecSpec = key.getParams();
- this.configuration = configuration;
- }
-
- public BCECPrivateKey(
- String algorithm,
- org.bouncycastle.jce.spec.ECPrivateKeySpec spec,
- ProviderConfiguration configuration)
- {
- this.algorithm = algorithm;
- this.d = spec.getD();
-
- if (spec.getParams() != null) // can be null if implicitlyCA
- {
- ECCurve curve = spec.getParams().getCurve();
- EllipticCurve ellipticCurve;
-
- ellipticCurve = EC5Util.convertCurve(curve, spec.getParams().getSeed());
-
- this.ecSpec = EC5Util.convertSpec(ellipticCurve, spec.getParams());
- }
- else
- {
- this.ecSpec = null;
- }
-
- this.configuration = configuration;
- }
-
-
- public BCECPrivateKey(
- String algorithm,
- ECPrivateKeySpec spec,
- ProviderConfiguration configuration)
- {
- this.algorithm = algorithm;
- this.d = spec.getS();
- this.ecSpec = spec.getParams();
- this.configuration = configuration;
- }
-
- public BCECPrivateKey(
- String algorithm,
- BCECPrivateKey key)
- {
- this.algorithm = algorithm;
- this.d = key.d;
- this.ecSpec = key.ecSpec;
- this.withCompression = key.withCompression;
- this.attrCarrier = key.attrCarrier;
- this.publicKey = key.publicKey;
- this.configuration = key.configuration;
- }
-
- public BCECPrivateKey(
- String algorithm,
- ECPrivateKeyParameters params,
- BCECPublicKey pubKey,
- ECParameterSpec spec,
- ProviderConfiguration configuration)
- {
- ECDomainParameters dp = params.getParameters();
-
- this.algorithm = algorithm;
- this.d = params.getD();
- this.configuration = configuration;
-
- if (spec == null)
- {
- EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());
-
- this.ecSpec = new ECParameterSpec(
- ellipticCurve,
- new ECPoint(
- dp.getG().getAffineXCoord().toBigInteger(),
- dp.getG().getAffineYCoord().toBigInteger()),
- dp.getN(),
- dp.getH().intValue());
- }
- else
- {
- this.ecSpec = spec;
- }
-
- publicKey = getPublicKeyDetails(pubKey);
- }
-
- public BCECPrivateKey(
- String algorithm,
- ECPrivateKeyParameters params,
- BCECPublicKey pubKey,
- org.bouncycastle.jce.spec.ECParameterSpec spec,
- ProviderConfiguration configuration)
- {
- ECDomainParameters dp = params.getParameters();
-
- this.algorithm = algorithm;
- this.d = params.getD();
- this.configuration = configuration;
-
- if (spec == null)
- {
- EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());
-
- this.ecSpec = new ECParameterSpec(
- ellipticCurve,
- new ECPoint(
- dp.getG().getAffineXCoord().toBigInteger(),
- dp.getG().getAffineYCoord().toBigInteger()),
- dp.getN(),
- dp.getH().intValue());
- }
- else
- {
- EllipticCurve ellipticCurve = EC5Util.convertCurve(spec.getCurve(), spec.getSeed());
-
- this.ecSpec = EC5Util.convertSpec(ellipticCurve, spec);
- }
-
- publicKey = getPublicKeyDetails(pubKey);
- }
-
- public BCECPrivateKey(
- String algorithm,
- ECPrivateKeyParameters params,
- ProviderConfiguration configuration)
- {
- this.algorithm = algorithm;
- this.d = params.getD();
- this.ecSpec = null;
- this.configuration = configuration;
- }
-
- BCECPrivateKey(
- String algorithm,
- PrivateKeyInfo info,
- ProviderConfiguration configuration)
- throws IOException
- {
- this.algorithm = algorithm;
- this.configuration = configuration;
- populateFromPrivKeyInfo(info);
- }
-
- private void populateFromPrivKeyInfo(PrivateKeyInfo info)
- throws IOException
- {
- X962Parameters params = X962Parameters.getInstance(info.getPrivateKeyAlgorithm().getParameters());
-
- if (params.isNamedCurve())
- {
- ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters());
- X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid);
- EllipticCurve ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());
-
- ecSpec = new ECNamedCurveSpec(
- ECUtil.getCurveName(oid),
- ellipticCurve,
- new ECPoint(
- ecP.getG().getAffineXCoord().toBigInteger(),
- ecP.getG().getAffineYCoord().toBigInteger()),
- ecP.getN(),
- ecP.getH());
- }
- else if (params.isImplicitlyCA())
- {
- ecSpec = null;
- }
- else
- {
- X9ECParameters ecP = X9ECParameters.getInstance(params.getParameters());
- EllipticCurve ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());
-
- this.ecSpec = new ECParameterSpec(
- ellipticCurve,
- new ECPoint(
- ecP.getG().getAffineXCoord().toBigInteger(),
- ecP.getG().getAffineYCoord().toBigInteger()),
- ecP.getN(),
- ecP.getH().intValue());
- }
-
- ASN1Encodable privKey = info.parsePrivateKey();
- if (privKey instanceof ASN1Integer)
- {
- ASN1Integer derD = ASN1Integer.getInstance(privKey);
-
- this.d = derD.getValue();
- }
- else
- {
- org.bouncycastle.asn1.sec.ECPrivateKey ec = org.bouncycastle.asn1.sec.ECPrivateKey.getInstance(privKey);
-
- this.d = ec.getKey();
- this.publicKey = ec.getPublicKey();
- }
- }
-
- public String getAlgorithm()
- {
- return algorithm;
- }
-
- /**
- * return the encoding format we produce in getEncoded().
- *
- * @return the string "PKCS#8"
- */
- public String getFormat()
- {
- return "PKCS#8";
- }
-
- /**
- * Return a PKCS8 representation of the key. The sequence returned
- * represents a full PrivateKeyInfo object.
- *
- * @return a PKCS8 representation of the key.
- */
- public byte[] getEncoded()
- {
- X962Parameters params;
-
- if (ecSpec instanceof ECNamedCurveSpec)
- {
- ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec)ecSpec).getName());
- if (curveOid == null) // guess it's the OID
- {
- curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec)ecSpec).getName());
- }
-
- params = new X962Parameters(curveOid);
- }
- else if (ecSpec == null)
- {
- params = new X962Parameters(DERNull.INSTANCE);
- }
- else
- {
- ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
-
- X9ECParameters ecP = new X9ECParameters(
- curve,
- EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
- ecSpec.getOrder(),
- BigInteger.valueOf(ecSpec.getCofactor()),
- ecSpec.getCurve().getSeed());
-
- params = new X962Parameters(ecP);
- }
-
- PrivateKeyInfo info;
- org.bouncycastle.asn1.sec.ECPrivateKey keyStructure;
-
- if (publicKey != null)
- {
- keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), publicKey, params);
- }
- else
- {
- keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), params);
- }
-
- try
- {
- info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), keyStructure);
-
- return info.getEncoded(ASN1Encoding.DER);
- }
- catch (IOException e)
- {
- return null;
- }
- }
-
- public ECParameterSpec getParams()
- {
- return ecSpec;
- }
-
- public org.bouncycastle.jce.spec.ECParameterSpec getParameters()
- {
- if (ecSpec == null)
- {
- return null;
- }
-
- return EC5Util.convertSpec(ecSpec, withCompression);
- }
-
- org.bouncycastle.jce.spec.ECParameterSpec engineGetSpec()
- {
- if (ecSpec != null)
- {
- return EC5Util.convertSpec(ecSpec, withCompression);
- }
-
- return configuration.getEcImplicitlyCa();
- }
-
- public BigInteger getS()
- {
- return d;
- }
-
- public BigInteger getD()
- {
- return d;
- }
-
- public void setBagAttribute(
- ASN1ObjectIdentifier oid,
- ASN1Encodable attribute)
- {
- attrCarrier.setBagAttribute(oid, attribute);
- }
-
- public ASN1Encodable getBagAttribute(
- ASN1ObjectIdentifier oid)
- {
- return attrCarrier.getBagAttribute(oid);
- }
-
- public Enumeration getBagAttributeKeys()
- {
- return attrCarrier.getBagAttributeKeys();
- }
-
- public void setPointFormat(String style)
- {
- withCompression = !("UNCOMPRESSED".equalsIgnoreCase(style));
- }
-
- public boolean equals(Object o)
- {
- if (!(o instanceof BCECPrivateKey))
- {
- return false;
- }
-
- BCECPrivateKey other = (BCECPrivateKey)o;
-
- return getD().equals(other.getD()) && (engineGetSpec().equals(other.engineGetSpec()));
- }
-
- public int hashCode()
- {
- return getD().hashCode() ^ engineGetSpec().hashCode();
- }
-
- public String toString()
- {
- StringBuffer buf = new StringBuffer();
- String nl = System.getProperty("line.separator");
-
- buf.append("EC Private Key").append(nl);
- buf.append(" S: ").append(this.d.toString(16)).append(nl);
-
- return buf.toString();
-
- }
-
- private DERBitString getPublicKeyDetails(BCECPublicKey pub)
- {
- try
- {
- SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray(pub.getEncoded()));
-
- return info.getPublicKeyData();
- }
- catch (IOException e)
- { // should never happen
- return null;
- }
- }
-
- private void readObject(
- ObjectInputStream in)
- throws IOException, ClassNotFoundException
- {
- in.defaultReadObject();
-
- byte[] enc = (byte[])in.readObject();
-
- populateFromPrivKeyInfo(PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(enc)));
-
- this.configuration = BouncyCastleProvider.CONFIGURATION;
- this.attrCarrier = new PKCS12BagAttributeCarrierImpl();
- }
-
- private void writeObject(
- ObjectOutputStream out)
- throws IOException
- {
- out.defaultWriteObject();
-
- out.writeObject(this.getEncoded());
- }
-}
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