diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PrivateKey.java')
| -rw-r--r-- | bcprov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PrivateKey.java | 545 |
1 files changed, 0 insertions, 545 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PrivateKey.java b/bcprov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PrivateKey.java deleted file mode 100644 index 4c046fe..0000000 --- a/bcprov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PrivateKey.java +++ /dev/null @@ -1,545 +0,0 @@ -package org.bouncycastle.jcajce.provider.asymmetric.ecgost; - -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.ASN1OctetString; -import org.bouncycastle.asn1.ASN1Primitive; -import org.bouncycastle.asn1.ASN1Sequence; -import org.bouncycastle.asn1.DERBitString; -import org.bouncycastle.asn1.DERNull; -import org.bouncycastle.asn1.DEROctetString; -import org.bouncycastle.asn1.cryptopro.CryptoProObjectIdentifiers; -import org.bouncycastle.asn1.cryptopro.ECGOST3410NamedCurves; -import org.bouncycastle.asn1.cryptopro.GOST3410PublicKeyAlgParameters; -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.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.jce.ECGOST3410NamedCurveTable; -import org.bouncycastle.jce.interfaces.ECPointEncoder; -import org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier; -import org.bouncycastle.jce.provider.BouncyCastleProvider; -import org.bouncycastle.jce.spec.ECNamedCurveParameterSpec; -import org.bouncycastle.jce.spec.ECNamedCurveSpec; -import org.bouncycastle.math.ec.ECCurve; - -public class BCECGOST3410PrivateKey - implements ECPrivateKey, org.bouncycastle.jce.interfaces.ECPrivateKey, PKCS12BagAttributeCarrier, ECPointEncoder -{ - static final long serialVersionUID = 7245981689601667138L; - - private String algorithm = "ECGOST3410"; - private boolean withCompression; - - private transient GOST3410PublicKeyAlgParameters gostParams; - private transient BigInteger d; - private transient ECParameterSpec ecSpec; - private transient DERBitString publicKey; - private transient PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl(); - - protected BCECGOST3410PrivateKey() - { - } - - public BCECGOST3410PrivateKey( - ECPrivateKey key) - { - this.d = key.getS(); - this.algorithm = key.getAlgorithm(); - this.ecSpec = key.getParams(); - } - - public BCECGOST3410PrivateKey( - org.bouncycastle.jce.spec.ECPrivateKeySpec spec) - { - 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 BCECGOST3410PrivateKey( - ECPrivateKeySpec spec) - { - this.d = spec.getS(); - this.ecSpec = spec.getParams(); - } - - public BCECGOST3410PrivateKey( - BCECGOST3410PrivateKey key) - { - this.d = key.d; - this.ecSpec = key.ecSpec; - this.withCompression = key.withCompression; - this.attrCarrier = key.attrCarrier; - this.publicKey = key.publicKey; - this.gostParams = key.gostParams; - } - - public BCECGOST3410PrivateKey( - String algorithm, - ECPrivateKeyParameters params, - BCECGOST3410PublicKey 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; - } - - this.gostParams = pubKey.getGostParams(); - - publicKey = getPublicKeyDetails(pubKey); - } - - public BCECGOST3410PrivateKey( - String algorithm, - ECPrivateKeyParameters params, - BCECGOST3410PublicKey pubKey, - org.bouncycastle.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()); - } - - this.gostParams = pubKey.getGostParams(); - - publicKey = getPublicKeyDetails(pubKey); - } - - public BCECGOST3410PrivateKey( - String algorithm, - ECPrivateKeyParameters params) - { - this.algorithm = algorithm; - this.d = params.getD(); - this.ecSpec = null; - } - - BCECGOST3410PrivateKey( - PrivateKeyInfo info) - throws IOException - { - populateFromPrivKeyInfo(info); - } - - private void populateFromPrivKeyInfo(PrivateKeyInfo info) - throws IOException - { - ASN1Primitive p = info.getPrivateKeyAlgorithm().getParameters().toASN1Primitive(); - - if (p instanceof ASN1Sequence && (ASN1Sequence.getInstance(p).size() == 2 || ASN1Sequence.getInstance(p).size() == 3)) - { - gostParams = GOST3410PublicKeyAlgParameters.getInstance(info.getPrivateKeyAlgorithm().getParameters()); - - ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet())); - - ECCurve curve = spec.getCurve(); - EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed()); - - ecSpec = new ECNamedCurveSpec( - ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()), - ellipticCurve, - new ECPoint( - spec.getG().getAffineXCoord().toBigInteger(), - spec.getG().getAffineYCoord().toBigInteger()), - spec.getN(), spec.getH()); - - ASN1Encodable privKey = info.parsePrivateKey(); - - byte[] encVal = ASN1OctetString.getInstance(privKey).getOctets(); - byte[] dVal = new byte[encVal.length]; - - for (int i = 0; i != encVal.length; i++) - { - dVal[i] = encVal[encVal.length - 1 - i]; - } - - this.d = new BigInteger(1, dVal); - } - else - { - // for backwards compatibility - X962Parameters params = X962Parameters.getInstance(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 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() - { - if (gostParams != null) - { - byte[] encKey = new byte[32]; - - extractBytes(encKey, 0, this.getS()); - - try - { - PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, gostParams), new DEROctetString(encKey)); - - return info.getEncoded(ASN1Encoding.DER); - } - catch (IOException e) - { - return null; - } - } - else - { - X962Parameters params; - int orderBitLength; - - 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); - orderBitLength = ECUtil.getOrderBitLength(ecSpec.getOrder(), this.getS()); - } - else if (ecSpec == null) - { - params = new X962Parameters(DERNull.INSTANCE); - orderBitLength = ECUtil.getOrderBitLength(null, this.getS()); - } - 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); - orderBitLength = ECUtil.getOrderBitLength(ecSpec.getOrder(), this.getS()); - } - - PrivateKeyInfo info; - org.bouncycastle.asn1.sec.ECPrivateKey keyStructure; - - if (publicKey != null) - { - keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), publicKey, params); - } - else - { - keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), params); - } - - try - { - info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive()); - - return info.getEncoded(ASN1Encoding.DER); - } - catch (IOException e) - { - return null; - } - } - } - - private void extractBytes(byte[] encKey, int offSet, BigInteger bI) - { - byte[] val = bI.toByteArray(); - if (val.length < 32) - { - byte[] tmp = new byte[32]; - System.arraycopy(val, 0, tmp, tmp.length - val.length, val.length); - val = tmp; - } - - for (int i = 0; i != 32; i++) - { - encKey[offSet + i] = val[val.length - 1 - i]; - } - } - - 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 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 BCECGOST3410PrivateKey)) - { - return false; - } - - BCECGOST3410PrivateKey other = (BCECGOST3410PrivateKey)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(BCECGOST3410PublicKey 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.attrCarrier = new PKCS12BagAttributeCarrierImpl(); - } - - private void writeObject( - ObjectOutputStream out) - throws IOException - { - out.defaultWriteObject(); - - out.writeObject(this.getEncoded()); - } -} |