diff options
Diffstat (limited to 'libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/provider/JCEECPrivateKey.java')
-rw-r--r-- | libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/provider/JCEECPrivateKey.java | 478 |
1 files changed, 0 insertions, 478 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/provider/JCEECPrivateKey.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/provider/JCEECPrivateKey.java deleted file mode 100644 index f4acffcde..000000000 --- a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/provider/JCEECPrivateKey.java +++ /dev/null @@ -1,478 +0,0 @@ -package org.spongycastle.jce.provider; - -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.spongycastle.asn1.ASN1Encodable; -import org.spongycastle.asn1.ASN1Encoding; -import org.spongycastle.asn1.ASN1ObjectIdentifier; -import org.spongycastle.asn1.ASN1Primitive; -import org.spongycastle.asn1.ASN1Sequence; -import org.spongycastle.asn1.DERBitString; -import org.spongycastle.asn1.DERInteger; -import org.spongycastle.asn1.DERNull; -import org.spongycastle.asn1.DERObjectIdentifier; -import org.spongycastle.asn1.cryptopro.CryptoProObjectIdentifiers; -import org.spongycastle.asn1.cryptopro.ECGOST3410NamedCurves; -import org.spongycastle.asn1.pkcs.PrivateKeyInfo; -import org.spongycastle.asn1.sec.ECPrivateKeyStructure; -import org.spongycastle.asn1.x509.AlgorithmIdentifier; -import org.spongycastle.asn1.x509.SubjectPublicKeyInfo; -import org.spongycastle.asn1.x9.X962Parameters; -import org.spongycastle.asn1.x9.X9ECParameters; -import org.spongycastle.asn1.x9.X9ObjectIdentifiers; -import org.spongycastle.crypto.params.ECDomainParameters; -import org.spongycastle.crypto.params.ECPrivateKeyParameters; -import org.spongycastle.jcajce.provider.asymmetric.util.EC5Util; -import org.spongycastle.jcajce.provider.asymmetric.util.ECUtil; -import org.spongycastle.jcajce.provider.asymmetric.util.PKCS12BagAttributeCarrierImpl; -import org.spongycastle.jce.interfaces.ECPointEncoder; -import org.spongycastle.jce.interfaces.PKCS12BagAttributeCarrier; -import org.spongycastle.jce.spec.ECNamedCurveSpec; -import org.spongycastle.math.ec.ECCurve; - -public class JCEECPrivateKey - implements ECPrivateKey, org.spongycastle.jce.interfaces.ECPrivateKey, PKCS12BagAttributeCarrier, ECPointEncoder -{ - private String algorithm = "EC"; - private BigInteger d; - private ECParameterSpec ecSpec; - private boolean withCompression; - - private DERBitString publicKey; - - private PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl(); - - protected JCEECPrivateKey() - { - } - - public JCEECPrivateKey( - ECPrivateKey key) - { - this.d = key.getS(); - this.algorithm = key.getAlgorithm(); - this.ecSpec = key.getParams(); - } - - public JCEECPrivateKey( - String algorithm, - org.spongycastle.jce.spec.ECPrivateKeySpec spec) - { - 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; - } - } - - - public JCEECPrivateKey( - String algorithm, - ECPrivateKeySpec spec) - { - this.algorithm = algorithm; - this.d = spec.getS(); - this.ecSpec = spec.getParams(); - } - - public JCEECPrivateKey( - String algorithm, - JCEECPrivateKey key) - { - this.algorithm = algorithm; - this.d = key.d; - this.ecSpec = key.ecSpec; - this.withCompression = key.withCompression; - this.attrCarrier = key.attrCarrier; - this.publicKey = key.publicKey; - } - - public JCEECPrivateKey( - String algorithm, - ECPrivateKeyParameters params, - JCEECPublicKey pubKey, - ECParameterSpec spec) - { - ECDomainParameters dp = params.getParameters(); - - this.algorithm = algorithm; - this.d = params.getD(); - - 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 JCEECPrivateKey( - String algorithm, - ECPrivateKeyParameters params, - JCEECPublicKey pubKey, - org.spongycastle.jce.spec.ECParameterSpec spec) - { - ECDomainParameters dp = params.getParameters(); - - this.algorithm = algorithm; - this.d = params.getD(); - - 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 = new ECParameterSpec( - ellipticCurve, - new ECPoint( - spec.getG().getAffineXCoord().toBigInteger(), - spec.getG().getAffineYCoord().toBigInteger()), - spec.getN(), - spec.getH().intValue()); - } - - publicKey = getPublicKeyDetails(pubKey); - } - - public JCEECPrivateKey( - String algorithm, - ECPrivateKeyParameters params) - { - this.algorithm = algorithm; - this.d = params.getD(); - this.ecSpec = null; - } - - JCEECPrivateKey( - PrivateKeyInfo info) - throws IOException - { - populateFromPrivKeyInfo(info); - } - - private void populateFromPrivKeyInfo(PrivateKeyInfo info) - throws IOException - { - X962Parameters params = new X962Parameters((ASN1Primitive)info.getPrivateKeyAlgorithm().getParameters()); - - if (params.isNamedCurve()) - { - ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters()); - X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid); - - if (ecP == null) // GOST Curve - { - ECDomainParameters gParam = ECGOST3410NamedCurves.getByOID(oid); - EllipticCurve ellipticCurve = EC5Util.convertCurve(gParam.getCurve(), gParam.getSeed()); - - ecSpec = new ECNamedCurveSpec( - ECGOST3410NamedCurves.getName(oid), - ellipticCurve, - new ECPoint( - gParam.getG().getAffineXCoord().toBigInteger(), - gParam.getG().getAffineYCoord().toBigInteger()), - gParam.getN(), - gParam.getH()); - } - else - { - 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 DERInteger) - { - DERInteger derD = DERInteger.getInstance(privKey); - - this.d = derD.getValue(); - } - else - { - ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence)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) - { - DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec)ecSpec).getName()); - if (curveOid == null) // guess it's the OID - { - curveOid = new DERObjectIdentifier(((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; - ECPrivateKeyStructure keyStructure; - - if (publicKey != null) - { - keyStructure = new ECPrivateKeyStructure(this.getS(), publicKey, params); - } - else - { - keyStructure = new ECPrivateKeyStructure(this.getS(), params); - } - - try - { - if (algorithm.equals("ECGOST3410")) - { - info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive()); - } - else - { - - info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive()); - } - - return info.getEncoded(ASN1Encoding.DER); - } - catch (IOException e) - { - return null; - } - } - - public ECParameterSpec getParams() - { - return ecSpec; - } - - public org.spongycastle.jce.spec.ECParameterSpec getParameters() - { - if (ecSpec == null) - { - return null; - } - - return EC5Util.convertSpec(ecSpec, withCompression); - } - - org.spongycastle.jce.spec.ECParameterSpec engineGetSpec() - { - if (ecSpec != null) - { - return EC5Util.convertSpec(ecSpec, withCompression); - } - - return BouncyCastleProvider.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 JCEECPrivateKey)) - { - return false; - } - - JCEECPrivateKey other = (JCEECPrivateKey)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(JCEECPublicKey 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 - { - byte[] enc = (byte[])in.readObject(); - - populateFromPrivKeyInfo(PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(enc))); - - this.algorithm = (String)in.readObject(); - this.withCompression = in.readBoolean(); - this.attrCarrier = new PKCS12BagAttributeCarrierImpl(); - - attrCarrier.readObject(in); - } - - private void writeObject( - ObjectOutputStream out) - throws IOException - { - out.writeObject(this.getEncoded()); - out.writeObject(algorithm); - out.writeBoolean(withCompression); - - attrCarrier.writeObject(out); - } -} |