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.ECPublicKey; import java.security.spec.ECParameterSpec; import java.security.spec.EllipticCurve; import org.bouncycastle.asn1.ASN1Encodable; import org.bouncycastle.asn1.ASN1OctetString; import org.bouncycastle.asn1.ASN1Primitive; import org.bouncycastle.asn1.DERBitString; 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.crypto.params.ECDomainParameters; import org.bouncycastle.crypto.params.ECPublicKeyParameters; import org.bouncycastle.jcajce.provider.asymmetric.util.EC5Util; import org.bouncycastle.jcajce.provider.asymmetric.util.KeyUtil; import org.bouncycastle.jce.ECGOST3410NamedCurveTable; import org.bouncycastle.jce.interfaces.ECPointEncoder; import org.bouncycastle.jce.provider.BouncyCastleProvider; import org.bouncycastle.jce.spec.ECNamedCurveParameterSpec; import org.bouncycastle.jce.spec.ECNamedCurveSpec; import org.bouncycastle.jce.spec.ECPublicKeySpec; import org.bouncycastle.math.ec.ECCurve; import org.bouncycastle.math.ec.ECPoint; import org.bouncycastle.util.Strings; /* loaded from: classes6.dex */ public class BCECGOST3410PublicKey implements ECPublicKey, org.bouncycastle.jce.interfaces.ECPublicKey, ECPointEncoder { static final long serialVersionUID = 7026240464295649314L; private String algorithm; private transient ECParameterSpec ecSpec; private transient GOST3410PublicKeyAlgParameters gostParams; private transient ECPoint q; private boolean withCompression; public String toString() { StringBuffer stringBuffer = new StringBuffer("EC Public Key"); String lineSeparator = Strings.lineSeparator(); stringBuffer.append(lineSeparator); stringBuffer.append(" X: ").append(this.q.getAffineXCoord().toBigInteger().toString(16)).append(lineSeparator); stringBuffer.append(" Y: ").append(this.q.getAffineYCoord().toBigInteger().toString(16)).append(lineSeparator); return stringBuffer.toString(); } @Override // org.bouncycastle.jce.interfaces.ECPointEncoder public void setPointFormat(String str) { this.withCompression = !"UNCOMPRESSED".equalsIgnoreCase(str); } public int hashCode() { return engineGetQ().hashCode() ^ engineGetSpec().hashCode(); } @Override // java.security.interfaces.ECPublicKey public java.security.spec.ECPoint getW() { return new java.security.spec.ECPoint(this.q.getAffineXCoord().toBigInteger(), this.q.getAffineYCoord().toBigInteger()); } @Override // org.bouncycastle.jce.interfaces.ECPublicKey public ECPoint getQ() { return this.ecSpec == null ? this.q.getDetachedPoint() : this.q; } @Override // java.security.interfaces.ECKey public ECParameterSpec getParams() { return this.ecSpec; } @Override // org.bouncycastle.jce.interfaces.ECKey public org.bouncycastle.jce.spec.ECParameterSpec getParameters() { ECParameterSpec eCParameterSpec = this.ecSpec; if (eCParameterSpec == null) { return null; } return EC5Util.convertSpec(eCParameterSpec, this.withCompression); } public GOST3410PublicKeyAlgParameters getGostParams() { return this.gostParams; } @Override // java.security.Key public String getFormat() { return "X.509"; } @Override // java.security.Key public byte[] getEncoded() { ASN1Encodable aSN1Encodable = this.gostParams; if (aSN1Encodable == null) { ECParameterSpec eCParameterSpec = this.ecSpec; if (eCParameterSpec instanceof ECNamedCurveSpec) { aSN1Encodable = new GOST3410PublicKeyAlgParameters(ECGOST3410NamedCurves.getOID(((ECNamedCurveSpec) eCParameterSpec).getName()), CryptoProObjectIdentifiers.gostR3411_94_CryptoProParamSet); } else { ECCurve convertCurve = EC5Util.convertCurve(eCParameterSpec.getCurve()); aSN1Encodable = new X962Parameters(new X9ECParameters(convertCurve, EC5Util.convertPoint(convertCurve, this.ecSpec.getGenerator(), this.withCompression), this.ecSpec.getOrder(), BigInteger.valueOf(this.ecSpec.getCofactor()), this.ecSpec.getCurve().getSeed())); } } BigInteger bigInteger = this.q.getAffineXCoord().toBigInteger(); BigInteger bigInteger2 = this.q.getAffineYCoord().toBigInteger(); byte[] bArr = new byte[64]; extractBytes(bArr, 0, bigInteger); extractBytes(bArr, 32, bigInteger2); try { return KeyUtil.getEncodedSubjectPublicKeyInfo(new SubjectPublicKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, aSN1Encodable), new DEROctetString(bArr))); } catch (IOException unused) { return null; } } @Override // java.security.Key public String getAlgorithm() { return this.algorithm; } public boolean equals(Object obj) { if (!(obj instanceof BCECGOST3410PublicKey)) { return false; } BCECGOST3410PublicKey bCECGOST3410PublicKey = (BCECGOST3410PublicKey) obj; return engineGetQ().equals(bCECGOST3410PublicKey.engineGetQ()) && engineGetSpec().equals(bCECGOST3410PublicKey.engineGetSpec()); } org.bouncycastle.jce.spec.ECParameterSpec engineGetSpec() { ECParameterSpec eCParameterSpec = this.ecSpec; return eCParameterSpec != null ? EC5Util.convertSpec(eCParameterSpec, this.withCompression) : BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa(); } public ECPoint engineGetQ() { return this.q; } private void writeObject(ObjectOutputStream objectOutputStream) throws IOException { objectOutputStream.defaultWriteObject(); objectOutputStream.writeObject(getEncoded()); } private void readObject(ObjectInputStream objectInputStream) throws IOException, ClassNotFoundException { objectInputStream.defaultReadObject(); populateFromPubKeyInfo(SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray((byte[]) objectInputStream.readObject()))); } private void populateFromPubKeyInfo(SubjectPublicKeyInfo subjectPublicKeyInfo) { DERBitString publicKeyData = subjectPublicKeyInfo.getPublicKeyData(); this.algorithm = "ECGOST3410"; try { byte[] octets = ((ASN1OctetString) ASN1Primitive.fromByteArray(publicKeyData.getBytes())).getOctets(); byte[] bArr = new byte[32]; byte[] bArr2 = new byte[32]; for (int i = 0; i != 32; i++) { bArr[i] = octets[31 - i]; } for (int i2 = 0; i2 != 32; i2++) { bArr2[i2] = octets[63 - i2]; } GOST3410PublicKeyAlgParameters gOST3410PublicKeyAlgParameters = GOST3410PublicKeyAlgParameters.getInstance(subjectPublicKeyInfo.getAlgorithm().getParameters()); this.gostParams = gOST3410PublicKeyAlgParameters; ECNamedCurveParameterSpec parameterSpec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gOST3410PublicKeyAlgParameters.getPublicKeyParamSet())); ECCurve curve = parameterSpec.getCurve(); EllipticCurve convertCurve = EC5Util.convertCurve(curve, parameterSpec.getSeed()); this.q = curve.createPoint(new BigInteger(1, bArr), new BigInteger(1, bArr2)); this.ecSpec = new ECNamedCurveSpec(ECGOST3410NamedCurves.getName(this.gostParams.getPublicKeyParamSet()), convertCurve, new java.security.spec.ECPoint(parameterSpec.getG().getAffineXCoord().toBigInteger(), parameterSpec.getG().getAffineYCoord().toBigInteger()), parameterSpec.getN(), parameterSpec.getH()); } catch (IOException unused) { throw new IllegalArgumentException("error recovering public key"); } } private void extractBytes(byte[] bArr, int i, BigInteger bigInteger) { byte[] byteArray = bigInteger.toByteArray(); if (byteArray.length < 32) { byte[] bArr2 = new byte[32]; System.arraycopy(byteArray, 0, bArr2, 32 - byteArray.length, byteArray.length); byteArray = bArr2; } for (int i2 = 0; i2 != 32; i2++) { bArr[i + i2] = byteArray[(byteArray.length - 1) - i2]; } } private ECParameterSpec createSpec(EllipticCurve ellipticCurve, ECDomainParameters eCDomainParameters) { return new ECParameterSpec(ellipticCurve, new java.security.spec.ECPoint(eCDomainParameters.getG().getAffineXCoord().toBigInteger(), eCDomainParameters.getG().getAffineYCoord().toBigInteger()), eCDomainParameters.getN(), eCDomainParameters.getH().intValue()); } public BCECGOST3410PublicKey(ECPublicKeySpec eCPublicKeySpec) { ECParameterSpec eCParameterSpec; this.algorithm = "ECGOST3410"; this.q = eCPublicKeySpec.getQ(); if (eCPublicKeySpec.getParams() != null) { eCParameterSpec = EC5Util.convertSpec(EC5Util.convertCurve(eCPublicKeySpec.getParams().getCurve(), eCPublicKeySpec.getParams().getSeed()), eCPublicKeySpec.getParams()); } else { if (this.q.getCurve() == null) { this.q = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getCurve().createPoint(this.q.getAffineXCoord().toBigInteger(), this.q.getAffineYCoord().toBigInteger()); } eCParameterSpec = null; } this.ecSpec = eCParameterSpec; } public BCECGOST3410PublicKey(BCECGOST3410PublicKey bCECGOST3410PublicKey) { this.algorithm = "ECGOST3410"; this.q = bCECGOST3410PublicKey.q; this.ecSpec = bCECGOST3410PublicKey.ecSpec; this.withCompression = bCECGOST3410PublicKey.withCompression; this.gostParams = bCECGOST3410PublicKey.gostParams; } /* JADX INFO: Access modifiers changed from: package-private */ public BCECGOST3410PublicKey(SubjectPublicKeyInfo subjectPublicKeyInfo) { this.algorithm = "ECGOST3410"; populateFromPubKeyInfo(subjectPublicKeyInfo); } public BCECGOST3410PublicKey(java.security.spec.ECPublicKeySpec eCPublicKeySpec) { this.algorithm = "ECGOST3410"; ECParameterSpec params = eCPublicKeySpec.getParams(); this.ecSpec = params; this.q = EC5Util.convertPoint(params, eCPublicKeySpec.getW(), false); } public BCECGOST3410PublicKey(ECPublicKey eCPublicKey) { this.algorithm = "ECGOST3410"; this.algorithm = eCPublicKey.getAlgorithm(); ECParameterSpec params = eCPublicKey.getParams(); this.ecSpec = params; this.q = EC5Util.convertPoint(params, eCPublicKey.getW(), false); } public BCECGOST3410PublicKey(String str, ECPublicKeyParameters eCPublicKeyParameters, org.bouncycastle.jce.spec.ECParameterSpec eCParameterSpec) { this.algorithm = "ECGOST3410"; ECDomainParameters parameters = eCPublicKeyParameters.getParameters(); this.algorithm = str; this.q = eCPublicKeyParameters.getQ(); this.ecSpec = eCParameterSpec == null ? createSpec(EC5Util.convertCurve(parameters.getCurve(), parameters.getSeed()), parameters) : EC5Util.convertSpec(EC5Util.convertCurve(eCParameterSpec.getCurve(), eCParameterSpec.getSeed()), eCParameterSpec); } public BCECGOST3410PublicKey(String str, ECPublicKeyParameters eCPublicKeyParameters, ECParameterSpec eCParameterSpec) { this.algorithm = "ECGOST3410"; ECDomainParameters parameters = eCPublicKeyParameters.getParameters(); this.algorithm = str; this.q = eCPublicKeyParameters.getQ(); if (eCParameterSpec == null) { this.ecSpec = createSpec(EC5Util.convertCurve(parameters.getCurve(), parameters.getSeed()), parameters); } else { this.ecSpec = eCParameterSpec; } } public BCECGOST3410PublicKey(String str, ECPublicKeyParameters eCPublicKeyParameters) { this.algorithm = str; this.q = eCPublicKeyParameters.getQ(); this.ecSpec = null; } }