diff options
Diffstat (limited to 'prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PublicKey.java')
| -rw-r--r-- | prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PublicKey.java | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PublicKey.java b/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PublicKey.java deleted file mode 100644 index 8d33fd90..00000000 --- a/prov/src/main/jdk1.4/org/bouncycastle/jcajce/provider/asymmetric/ecgost/BCECGOST3410PublicKey.java +++ /dev/null @@ -1,454 +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 org.bouncycastle.asn1.ASN1Encodable; -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.ASN1ObjectIdentifier; -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.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.X9ECPoint; -import org.bouncycastle.asn1.x9.X9IntegerConverter; -import org.bouncycastle.asn1.x9.X9ObjectIdentifiers; -import org.bouncycastle.crypto.params.ECDomainParameters; -import org.bouncycastle.crypto.params.ECPublicKeyParameters; -import org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil; -import org.bouncycastle.jcajce.provider.asymmetric.util.KeyUtil; -import org.bouncycastle.jce.ECGOST3410NamedCurveTable; -import org.bouncycastle.jce.interfaces.ECPointEncoder; -import org.bouncycastle.jce.interfaces.ECPublicKey; -import org.bouncycastle.jce.provider.BouncyCastleProvider; -import org.bouncycastle.jce.spec.ECNamedCurveParameterSpec; -import org.bouncycastle.jce.spec.ECParameterSpec; -import org.bouncycastle.jce.spec.ECPublicKeySpec; -import org.bouncycastle.math.ec.ECCurve; -import org.bouncycastle.math.ec.ECPoint; - -public class BCECGOST3410PublicKey - implements ECPublicKey, ECPointEncoder -{ - private String algorithm = "ECGOST3410"; - private boolean withCompression; - - private transient org.bouncycastle.math.ec.ECPoint q; - private transient ECParameterSpec ecSpec; - private transient GOST3410PublicKeyAlgParameters gostParams; - - public BCECGOST3410PublicKey( - String algorithm, - BCECGOST3410PublicKey key) - { - this.algorithm = algorithm; - this.q = key.q; - this.ecSpec = key.ecSpec; - this.withCompression = key.withCompression; - this.gostParams = key.gostParams; - } - - public BCECGOST3410PublicKey( - ECPublicKeySpec spec) - { - this.q = spec.getQ(); - - if (spec.getParams() != null) - { - this.ecSpec = spec.getParams(); - } - else - { - if (q.getCurve() == null) - { - org.bouncycastle.jce.spec.ECParameterSpec s = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa(); - - q = s.getCurve().createPoint(q.getX().toBigInteger(), q.getY().toBigInteger(), false); - } - this.ecSpec = null; - } - } - - public BCECGOST3410PublicKey( - String algorithm, - ECPublicKeyParameters params, - ECParameterSpec spec) - { - ECDomainParameters dp = params.getParameters(); - - this.algorithm = algorithm; - this.q = params.getQ(); - - if (spec == null) - { - this.ecSpec = new ECParameterSpec( - dp.getCurve(), - dp.getG(), - dp.getN(), - dp.getH(), - dp.getSeed()); - } - else - { - this.ecSpec = spec; - } - } - - public BCECGOST3410PublicKey( - String algorithm, - ECPublicKeyParameters params) - { - this.algorithm = algorithm; - this.q = params.getQ(); - this.ecSpec = null; - } - - BCECGOST3410PublicKey( - ECPublicKey key) - { - this.q = key.getQ(); - this.algorithm = key.getAlgorithm(); - this.ecSpec = key.getParameters(); - } - - BCECGOST3410PublicKey( - String algorithm, - ECPoint q, - ECParameterSpec ecSpec) - { - this.algorithm = algorithm; - this.q = q; - this.ecSpec = ecSpec; - } - - BCECGOST3410PublicKey( - SubjectPublicKeyInfo info) - { - populateFromPubKeyInfo(info); - } - - private void populateFromPubKeyInfo(SubjectPublicKeyInfo info) - { - if (info.getAlgorithmId().getObjectId().equals(CryptoProObjectIdentifiers.gostR3410_2001)) - { - DERBitString bits = info.getPublicKeyData(); - ASN1OctetString key; - this.algorithm = "ECGOST3410"; - - try - { - key = (ASN1OctetString)ASN1Primitive.fromByteArray(bits.getBytes()); - } - catch (IOException ex) - { - throw new IllegalArgumentException("error recovering public key"); - } - - byte[] keyEnc = key.getOctets(); - byte[] x = new byte[32]; - byte[] y = new byte[32]; - - for (int i = 0; i != x.length; i++) - { - x[i] = keyEnc[32 - 1 - i]; - } - - for (int i = 0; i != y.length; i++) - { - y[i] = keyEnc[64 - 1 - i]; - } - - gostParams = new GOST3410PublicKeyAlgParameters((ASN1Sequence)info.getAlgorithmId().getParameters()); - - ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet())); - - ecSpec = spec; - - this.q = spec.getCurve().createPoint(new BigInteger(1, x), new BigInteger(1, y), false); - } - else - { - X962Parameters params = X962Parameters.getInstance(info.getAlgorithmId().getParameters()); - ECCurve curve; - - if (params.isNamedCurve()) - { - ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters()); - X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid); - - ecSpec = new ECNamedCurveParameterSpec( - ECUtil.getCurveName(oid), - ecP.getCurve(), - ecP.getG(), - ecP.getN(), - ecP.getH(), - ecP.getSeed()); - curve = ((ECParameterSpec)ecSpec).getCurve(); - } - else if (params.isImplicitlyCA()) - { - ecSpec = null; - curve = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getCurve(); - } - else - { - X9ECParameters ecP = X9ECParameters.getInstance(params.getParameters()); - ecSpec = new ECParameterSpec( - ecP.getCurve(), - ecP.getG(), - ecP.getN(), - ecP.getH(), - ecP.getSeed()); - curve = ((ECParameterSpec)ecSpec).getCurve(); - } - - DERBitString bits = info.getPublicKeyData(); - byte[] data = bits.getBytes(); - ASN1OctetString key = new DEROctetString(data); - - // - // extra octet string - one of our old certs... - // - if (data[0] == 0x04 && data[1] == data.length - 2 - && (data[2] == 0x02 || data[2] == 0x03)) - { - int qLength = new X9IntegerConverter().getByteLength(curve); - - if (qLength >= data.length - 3) - { - try - { - key = (ASN1OctetString)ASN1Primitive.fromByteArray(data); - } - catch (IOException ex) - { - throw new IllegalArgumentException("error recovering public key"); - } - } - } - - X9ECPoint derQ = new X9ECPoint(curve, key); - - this.q = derQ.getPoint(); - } - } - - public String getAlgorithm() - { - return algorithm; - } - - public String getFormat() - { - return "X.509"; - } - - public byte[] getEncoded() - { - SubjectPublicKeyInfo info; - - if (algorithm.equals("ECGOST3410")) - { - ASN1Encodable params = null; - if (gostParams != null) - { - params = gostParams; - } - else if (ecSpec instanceof ECNamedCurveParameterSpec) - { - params = new GOST3410PublicKeyAlgParameters( - ECGOST3410NamedCurves.getOID(((ECNamedCurveParameterSpec)ecSpec).getName()), - CryptoProObjectIdentifiers.gostR3411_94_CryptoProParamSet); - } - else - { - ECParameterSpec p = (ECParameterSpec)ecSpec; - - ECCurve curve = p.getG().getCurve(); - ECPoint generator = curve.createPoint(p.getG().getX().toBigInteger(), p.getG().getY().toBigInteger(), withCompression); - - X9ECParameters ecP = new X9ECParameters( - p.getCurve(), generator, p.getN(), p.getH(), p.getSeed()); - - params = new X962Parameters(ecP); - } - - ECPoint qq = this.getQ(); - ECPoint point = qq.getCurve().createPoint(qq.getX().toBigInteger(), qq.getY().toBigInteger(), false); - ASN1OctetString p = ASN1OctetString.getInstance(new X9ECPoint(point)); - - BigInteger bX = this.q.getX().toBigInteger(); - BigInteger bY = this.q.getY().toBigInteger(); - byte[] encKey = new byte[64]; - - byte[] val = bX.toByteArray(); - - for (int i = 0; i != 32; i++) - { - encKey[i] = val[val.length - 1 - i]; - } - - val = bY.toByteArray(); - - for (int i = 0; i != 32; i++) - { - encKey[32 + i] = val[val.length - 1 - i]; - } - - try - { - info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params), new DEROctetString(encKey)); - } - catch (IOException e) - { - return null; - } - } - else - { - X962Parameters params = null; - if (ecSpec instanceof ECNamedCurveParameterSpec) - { - ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveParameterSpec)ecSpec).getName()); - - if (curveOid == null) - { - curveOid = new ASN1ObjectIdentifier(((ECNamedCurveParameterSpec)ecSpec).getName()); - } - params = new X962Parameters(curveOid); - } - else if (ecSpec == null) - { - params = new X962Parameters(DERNull.INSTANCE); - } - else - { - ECParameterSpec p = (ECParameterSpec)ecSpec; - - ECCurve curve = p.getG().getCurve(); - ECPoint generator = curve.createPoint(p.getG().getX().toBigInteger(), p.getG().getY().toBigInteger(), withCompression); - - X9ECParameters ecP = new X9ECParameters( - p.getCurve(), generator, p.getN(), p.getH(), p.getSeed()); - - params = new X962Parameters(ecP); - } - - ECCurve curve = this.engineGetQ().getCurve(); - ECPoint point = curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression); - ASN1OctetString p = ASN1OctetString.getInstance(new X9ECPoint(point)); - - info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets()); - } - - return KeyUtil.getEncodedSubjectPublicKeyInfo(info); - } - - public ECParameterSpec getParams() - { - return (ECParameterSpec)ecSpec; - } - - public ECParameterSpec getParameters() - { - return (ECParameterSpec)ecSpec; - } - - public org.bouncycastle.math.ec.ECPoint getQ() - { - if (ecSpec == null) - { - if (q instanceof org.bouncycastle.math.ec.ECPoint.Fp) - { - return new org.bouncycastle.math.ec.ECPoint.Fp(null, q.getX(), q.getY()); - } - else - { - return new org.bouncycastle.math.ec.ECPoint.F2m(null, q.getX(), q.getY()); - } - } - - return q; - } - - public org.bouncycastle.math.ec.ECPoint engineGetQ() - { - return q; - } - - 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.getQ().getX().toBigInteger().toString(16)).append(nl); - buf.append(" Y: ").append(this.getQ().getY().toBigInteger().toString(16)).append(nl); - - return buf.toString(); - - } - - public void setPointFormat(String style) - { - withCompression = !("UNCOMPRESSED".equalsIgnoreCase(style)); - } - - ECParameterSpec engineGetSpec() - { - if (ecSpec != null) - { - return (ECParameterSpec)ecSpec; - } - - return BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa(); - } - - public boolean equals(Object o) - { - if (!(o instanceof BCECGOST3410PublicKey)) - { - return false; - } - - BCECGOST3410PublicKey other = (BCECGOST3410PublicKey)o; - - return getQ().equals(other.getQ()) && (engineGetSpec().equals(other.engineGetSpec())); - } - - public int hashCode() - { - return getQ().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()); - } -} |