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Diffstat (limited to 'libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/BCDSTU4145PublicKey.java')
-rw-r--r--libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/BCDSTU4145PublicKey.java436
1 files changed, 0 insertions, 436 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/BCDSTU4145PublicKey.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/BCDSTU4145PublicKey.java
deleted file mode 100644
index e2c1aed8d..000000000
--- a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/dstu/BCDSTU4145PublicKey.java
+++ /dev/null
@@ -1,436 +0,0 @@
-package org.spongycastle.jcajce.provider.asymmetric.dstu;
-
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.math.BigInteger;
-import java.security.interfaces.ECPublicKey;
-import java.security.spec.ECParameterSpec;
-import java.security.spec.ECPoint;
-import java.security.spec.ECPublicKeySpec;
-import java.security.spec.EllipticCurve;
-
-import org.spongycastle.asn1.ASN1Encodable;
-import org.spongycastle.asn1.ASN1ObjectIdentifier;
-import org.spongycastle.asn1.ASN1OctetString;
-import org.spongycastle.asn1.ASN1Primitive;
-import org.spongycastle.asn1.ASN1Sequence;
-import org.spongycastle.asn1.DERBitString;
-import org.spongycastle.asn1.DEROctetString;
-import org.spongycastle.asn1.ua.DSTU4145BinaryField;
-import org.spongycastle.asn1.ua.DSTU4145ECBinary;
-import org.spongycastle.asn1.ua.DSTU4145NamedCurves;
-import org.spongycastle.asn1.ua.DSTU4145Params;
-import org.spongycastle.asn1.ua.DSTU4145PointEncoder;
-import org.spongycastle.asn1.ua.UAObjectIdentifiers;
-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.crypto.params.ECDomainParameters;
-import org.spongycastle.crypto.params.ECPublicKeyParameters;
-import org.spongycastle.jcajce.provider.asymmetric.util.EC5Util;
-import org.spongycastle.jcajce.provider.asymmetric.util.KeyUtil;
-import org.spongycastle.jce.interfaces.ECPointEncoder;
-import org.spongycastle.jce.provider.BouncyCastleProvider;
-import org.spongycastle.jce.spec.ECNamedCurveParameterSpec;
-import org.spongycastle.jce.spec.ECNamedCurveSpec;
-import org.spongycastle.math.ec.ECCurve;
-
-public class BCDSTU4145PublicKey
- implements ECPublicKey, org.spongycastle.jce.interfaces.ECPublicKey, ECPointEncoder
-{
- static final long serialVersionUID = 7026240464295649314L;
-
- private String algorithm = "DSTU4145";
- private boolean withCompression;
-
- private transient org.spongycastle.math.ec.ECPoint q;
- private transient ECParameterSpec ecSpec;
- private transient DSTU4145Params dstuParams;
-
- public BCDSTU4145PublicKey(
- BCDSTU4145PublicKey key)
- {
- this.q = key.q;
- this.ecSpec = key.ecSpec;
- this.withCompression = key.withCompression;
- this.dstuParams = key.dstuParams;
- }
-
- public BCDSTU4145PublicKey(
- ECPublicKeySpec spec)
- {
- this.ecSpec = spec.getParams();
- this.q = EC5Util.convertPoint(ecSpec, spec.getW(), false);
- }
-
- public BCDSTU4145PublicKey(
- org.spongycastle.jce.spec.ECPublicKeySpec spec)
- {
- this.q = spec.getQ();
-
- if (spec.getParams() != null) // can be null if implictlyCa
- {
- ECCurve curve = spec.getParams().getCurve();
- EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getParams().getSeed());
-
- this.ecSpec = EC5Util.convertSpec(ellipticCurve, spec.getParams());
- }
- else
- {
- if (q.getCurve() == null)
- {
- org.spongycastle.jce.spec.ECParameterSpec s = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();
-
- q = s.getCurve().createPoint(q.getAffineXCoord().toBigInteger(), q.getAffineYCoord().toBigInteger());
- }
- this.ecSpec = null;
- }
- }
-
- public BCDSTU4145PublicKey(
- String algorithm,
- ECPublicKeyParameters params,
- ECParameterSpec spec)
- {
- ECDomainParameters dp = params.getParameters();
-
- this.algorithm = algorithm;
- this.q = params.getQ();
-
- if (spec == null)
- {
- EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());
-
- this.ecSpec = createSpec(ellipticCurve, dp);
- }
- else
- {
- this.ecSpec = spec;
- }
- }
-
- public BCDSTU4145PublicKey(
- String algorithm,
- ECPublicKeyParameters params,
- org.spongycastle.jce.spec.ECParameterSpec spec)
- {
- ECDomainParameters dp = params.getParameters();
-
- this.algorithm = algorithm;
- this.q = params.getQ();
-
- if (spec == null)
- {
- EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());
-
- this.ecSpec = createSpec(ellipticCurve, dp);
- }
- else
- {
- EllipticCurve ellipticCurve = EC5Util.convertCurve(spec.getCurve(), spec.getSeed());
-
- this.ecSpec = EC5Util.convertSpec(ellipticCurve, spec);
- }
- }
-
- /*
- * called for implicitCA
- */
- public BCDSTU4145PublicKey(
- String algorithm,
- ECPublicKeyParameters params)
- {
- this.algorithm = algorithm;
- this.q = params.getQ();
- this.ecSpec = null;
- }
-
- private ECParameterSpec createSpec(EllipticCurve ellipticCurve, ECDomainParameters dp)
- {
- return new ECParameterSpec(
- ellipticCurve,
- new ECPoint(
- dp.getG().getAffineXCoord().toBigInteger(),
- dp.getG().getAffineYCoord().toBigInteger()),
- dp.getN(),
- dp.getH().intValue());
- }
-
- public BCDSTU4145PublicKey(
- ECPublicKey key)
- {
- this.algorithm = key.getAlgorithm();
- this.ecSpec = key.getParams();
- this.q = EC5Util.convertPoint(this.ecSpec, key.getW(), false);
- }
-
- BCDSTU4145PublicKey(
- SubjectPublicKeyInfo info)
- {
- populateFromPubKeyInfo(info);
- }
-
- private void reverseBytes(byte[] bytes)
- {
- byte tmp;
-
- for (int i = 0; i < bytes.length / 2; i++)
- {
- tmp = bytes[i];
- bytes[i] = bytes[bytes.length - 1 - i];
- bytes[bytes.length - 1 - i] = tmp;
- }
- }
-
- private void populateFromPubKeyInfo(SubjectPublicKeyInfo info)
- {
- DERBitString bits = info.getPublicKeyData();
- ASN1OctetString key;
- this.algorithm = "DSTU4145";
-
- try
- {
- key = (ASN1OctetString)ASN1Primitive.fromByteArray(bits.getBytes());
- }
- catch (IOException ex)
- {
- throw new IllegalArgumentException("error recovering public key");
- }
-
- byte[] keyEnc = key.getOctets();
-
- if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le))
- {
- reverseBytes(keyEnc);
- }
-
- dstuParams = DSTU4145Params.getInstance((ASN1Sequence)info.getAlgorithm().getParameters());
-
- //ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));
- org.spongycastle.jce.spec.ECParameterSpec spec = null;
- if (dstuParams.isNamedCurve())
- {
- ASN1ObjectIdentifier curveOid = dstuParams.getNamedCurve();
- ECDomainParameters ecP = DSTU4145NamedCurves.getByOID(curveOid);
-
- spec = new ECNamedCurveParameterSpec(curveOid.getId(), ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
- }
- else
- {
- DSTU4145ECBinary binary = dstuParams.getECBinary();
- byte[] b_bytes = binary.getB();
- if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le))
- {
- reverseBytes(b_bytes);
- }
- DSTU4145BinaryField field = binary.getField();
- ECCurve curve = new ECCurve.F2m(field.getM(), field.getK1(), field.getK2(), field.getK3(), binary.getA(), new BigInteger(1, b_bytes));
- byte[] g_bytes = binary.getG();
- if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le))
- {
- reverseBytes(g_bytes);
- }
- spec = new org.spongycastle.jce.spec.ECParameterSpec(curve, DSTU4145PointEncoder.decodePoint(curve, g_bytes), binary.getN());
- }
-
- ECCurve curve = spec.getCurve();
- EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());
-
- //this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);
- this.q = DSTU4145PointEncoder.decodePoint(curve, keyEnc);
-
- if (dstuParams.isNamedCurve())
- {
- ecSpec = new ECNamedCurveSpec(
- dstuParams.getNamedCurve().getId(),
- ellipticCurve,
- new ECPoint(
- spec.getG().getAffineXCoord().toBigInteger(),
- spec.getG().getAffineYCoord().toBigInteger()),
- spec.getN(), spec.getH());
- }
- else
- {
- ecSpec = new ECParameterSpec(
- ellipticCurve,
- new ECPoint(
- spec.getG().getAffineXCoord().toBigInteger(),
- spec.getG().getAffineYCoord().toBigInteger()),
- spec.getN(), spec.getH().intValue());
- }
- }
-
- public byte[] getSbox()
- {
- if (null != dstuParams)
- {
- return dstuParams.getDKE();
- }
- else
- {
- return DSTU4145Params.getDefaultDKE();
- }
- }
-
- public String getAlgorithm()
- {
- return algorithm;
- }
-
- public String getFormat()
- {
- return "X.509";
- }
-
- public byte[] getEncoded()
- {
- ASN1Encodable params;
- SubjectPublicKeyInfo info;
-
- if (dstuParams != null)
- {
- params = dstuParams;
- }
- else
- {
- if (ecSpec instanceof ECNamedCurveSpec)
- {
- params = new DSTU4145Params(new ASN1ObjectIdentifier(((ECNamedCurveSpec)ecSpec).getName()));
- }
- else
- { // strictly speaking this may not be applicable...
- 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);
- }
- }
-
- byte[] encKey = DSTU4145PointEncoder.encodePoint(this.q);
-
- try
- {
- info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(UAObjectIdentifiers.dstu4145be, params), new DEROctetString(encKey));
- }
- catch (IOException e)
- {
- return null;
- }
-
- return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
- }
-
- public ECParameterSpec getParams()
- {
- return ecSpec;
- }
-
- public org.spongycastle.jce.spec.ECParameterSpec getParameters()
- {
- if (ecSpec == null) // implictlyCA
- {
- return null;
- }
-
- return EC5Util.convertSpec(ecSpec, withCompression);
- }
-
- public ECPoint getW()
- {
- return new ECPoint(q.getAffineXCoord().toBigInteger(), q.getAffineYCoord().toBigInteger());
- }
-
- public org.spongycastle.math.ec.ECPoint getQ()
- {
- if (ecSpec == null)
- {
- if (q instanceof org.spongycastle.math.ec.ECPoint.Fp)
- {
- return new org.spongycastle.math.ec.ECPoint.Fp(null, q.getAffineXCoord(), q.getAffineYCoord());
- }
- else
- {
- return new org.spongycastle.math.ec.ECPoint.F2m(null, q.getAffineXCoord(), q.getAffineYCoord());
- }
- }
-
- return q;
- }
-
- public org.spongycastle.math.ec.ECPoint engineGetQ()
- {
- return q;
- }
-
- org.spongycastle.jce.spec.ECParameterSpec engineGetSpec()
- {
- if (ecSpec != null)
- {
- return EC5Util.convertSpec(ecSpec, withCompression);
- }
-
- return BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();
- }
-
- public String toString()
- {
- StringBuffer buf = new StringBuffer();
- String nl = System.getProperty("line.separator");
-
- buf.append("EC Public Key").append(nl);
- buf.append(" X: ").append(this.q.getAffineXCoord().toBigInteger().toString(16)).append(nl);
- buf.append(" Y: ").append(this.q.getAffineYCoord().toBigInteger().toString(16)).append(nl);
-
- return buf.toString();
- }
-
- public void setPointFormat(String style)
- {
- withCompression = !("UNCOMPRESSED".equalsIgnoreCase(style));
- }
-
- public boolean equals(Object o)
- {
- if (!(o instanceof BCDSTU4145PublicKey))
- {
- return false;
- }
-
- BCDSTU4145PublicKey other = (BCDSTU4145PublicKey)o;
-
- return engineGetQ().equals(other.engineGetQ()) && (engineGetSpec().equals(other.engineGetSpec()));
- }
-
- public int hashCode()
- {
- return engineGetQ().hashCode() ^ engineGetSpec().hashCode();
- }
-
- private void readObject(
- ObjectInputStream in)
- throws IOException, ClassNotFoundException
- {
- in.defaultReadObject();
-
- byte[] enc = (byte[])in.readObject();
-
- populateFromPubKeyInfo(SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray(enc)));
- }
-
- private void writeObject(
- ObjectOutputStream out)
- throws IOException
- {
- out.defaultWriteObject();
-
- out.writeObject(this.getEncoded());
- }
-}