367 lines
17 KiB
Java
367 lines
17 KiB
Java
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package org.bouncycastle.jcajce.provider.asymmetric.ec;
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import java.math.BigInteger;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidKeyException;
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import java.security.Key;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.security.SecureRandom;
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import java.security.spec.AlgorithmParameterSpec;
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import org.bouncycastle.asn1.x9.X9IntegerConverter;
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import org.bouncycastle.crypto.BasicAgreement;
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import org.bouncycastle.crypto.CipherParameters;
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import org.bouncycastle.crypto.DerivationFunction;
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import org.bouncycastle.crypto.agreement.ECDHBasicAgreement;
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import org.bouncycastle.crypto.agreement.ECDHCBasicAgreement;
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import org.bouncycastle.crypto.agreement.ECMQVBasicAgreement;
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import org.bouncycastle.crypto.agreement.kdf.ConcatenationKDFGenerator;
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import org.bouncycastle.crypto.digests.SHA1Digest;
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import org.bouncycastle.crypto.digests.SHA224Digest;
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import org.bouncycastle.crypto.digests.SHA256Digest;
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import org.bouncycastle.crypto.digests.SHA384Digest;
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import org.bouncycastle.crypto.digests.SHA512Digest;
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import org.bouncycastle.crypto.generators.KDF2BytesGenerator;
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import org.bouncycastle.crypto.params.ECDomainParameters;
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import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
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import org.bouncycastle.crypto.params.ECPublicKeyParameters;
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import org.bouncycastle.crypto.params.MQVPrivateParameters;
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import org.bouncycastle.crypto.params.MQVPublicParameters;
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import org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi;
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import org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil;
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import org.bouncycastle.jcajce.spec.MQVParameterSpec;
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import org.bouncycastle.jcajce.spec.UserKeyingMaterialSpec;
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import org.bouncycastle.jce.interfaces.ECPrivateKey;
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import org.bouncycastle.jce.interfaces.ECPublicKey;
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import org.bouncycastle.jce.interfaces.MQVPrivateKey;
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import org.bouncycastle.jce.interfaces.MQVPublicKey;
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/* loaded from: classes6.dex */
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public class KeyAgreementSpi extends BaseAgreementSpi {
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private static final X9IntegerConverter converter = new X9IntegerConverter();
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private BasicAgreement agreement;
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private String kaAlgorithm;
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private MQVParameterSpec mqvParameters;
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private ECDomainParameters parameters;
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private BigInteger result;
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@Override // javax.crypto.KeyAgreementSpi
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protected void engineInit(Key key, AlgorithmParameterSpec algorithmParameterSpec, SecureRandom secureRandom) throws InvalidKeyException, InvalidAlgorithmParameterException {
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if (algorithmParameterSpec != null && !(algorithmParameterSpec instanceof MQVParameterSpec) && !(algorithmParameterSpec instanceof UserKeyingMaterialSpec)) {
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throw new InvalidAlgorithmParameterException("No algorithm parameters supported");
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}
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initFromKey(key, algorithmParameterSpec);
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}
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@Override // javax.crypto.KeyAgreementSpi
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protected void engineInit(Key key, SecureRandom secureRandom) throws InvalidKeyException {
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initFromKey(key, null);
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}
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@Override // javax.crypto.KeyAgreementSpi
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protected Key engineDoPhase(Key key, boolean z) throws InvalidKeyException, IllegalStateException {
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CipherParameters generatePublicKeyParameter;
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if (this.parameters == null) {
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StringBuilder sb = new StringBuilder();
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sb.append(this.kaAlgorithm);
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sb.append(" not initialised.");
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throw new IllegalStateException(sb.toString());
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}
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if (!z) {
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StringBuilder sb2 = new StringBuilder();
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sb2.append(this.kaAlgorithm);
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sb2.append(" can only be between two parties.");
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throw new IllegalStateException(sb2.toString());
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}
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if (this.agreement instanceof ECMQVBasicAgreement) {
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if (key instanceof MQVPublicKey) {
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MQVPublicKey mQVPublicKey = (MQVPublicKey) key;
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generatePublicKeyParameter = new MQVPublicParameters((ECPublicKeyParameters) ECUtil.generatePublicKeyParameter(mQVPublicKey.getStaticKey()), (ECPublicKeyParameters) ECUtil.generatePublicKeyParameter(mQVPublicKey.getEphemeralKey()));
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} else {
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generatePublicKeyParameter = new MQVPublicParameters((ECPublicKeyParameters) ECUtil.generatePublicKeyParameter((PublicKey) key), (ECPublicKeyParameters) ECUtil.generatePublicKeyParameter(this.mqvParameters.getOtherPartyEphemeralKey()));
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}
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} else {
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if (!(key instanceof PublicKey)) {
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StringBuilder sb3 = new StringBuilder();
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sb3.append(this.kaAlgorithm);
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sb3.append(" key agreement requires ");
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sb3.append(getSimpleName(ECPublicKey.class));
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sb3.append(" for doPhase");
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throw new InvalidKeyException(sb3.toString());
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}
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generatePublicKeyParameter = ECUtil.generatePublicKeyParameter((PublicKey) key);
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}
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this.result = this.agreement.calculateAgreement(generatePublicKeyParameter);
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return null;
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}
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@Override // org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi
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public byte[] calcSecret() {
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return bigIntToBytes(this.result);
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}
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protected byte[] bigIntToBytes(BigInteger bigInteger) {
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X9IntegerConverter x9IntegerConverter = converter;
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return x9IntegerConverter.integerToBytes(bigInteger, x9IntegerConverter.getByteLength(this.parameters.getCurve()));
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}
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private void initFromKey(Key key, AlgorithmParameterSpec algorithmParameterSpec) throws InvalidKeyException {
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CipherParameters cipherParameters;
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ECPrivateKeyParameters eCPrivateKeyParameters;
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ECPrivateKeyParameters eCPrivateKeyParameters2;
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ECPublicKeyParameters eCPublicKeyParameters = null;
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if (this.agreement instanceof ECMQVBasicAgreement) {
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this.mqvParameters = null;
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boolean z = key instanceof MQVPrivateKey;
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if (!z && !(algorithmParameterSpec instanceof MQVParameterSpec)) {
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StringBuilder sb = new StringBuilder();
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sb.append(this.kaAlgorithm);
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sb.append(" key agreement requires ");
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sb.append(getSimpleName(MQVParameterSpec.class));
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sb.append(" for initialisation");
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throw new InvalidKeyException(sb.toString());
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}
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if (z) {
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MQVPrivateKey mQVPrivateKey = (MQVPrivateKey) key;
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eCPrivateKeyParameters2 = (ECPrivateKeyParameters) ECUtil.generatePrivateKeyParameter(mQVPrivateKey.getStaticPrivateKey());
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eCPrivateKeyParameters = (ECPrivateKeyParameters) ECUtil.generatePrivateKeyParameter(mQVPrivateKey.getEphemeralPrivateKey());
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if (mQVPrivateKey.getEphemeralPublicKey() != null) {
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eCPublicKeyParameters = (ECPublicKeyParameters) ECUtil.generatePublicKeyParameter(mQVPrivateKey.getEphemeralPublicKey());
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}
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} else {
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MQVParameterSpec mQVParameterSpec = (MQVParameterSpec) algorithmParameterSpec;
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ECPrivateKeyParameters eCPrivateKeyParameters3 = (ECPrivateKeyParameters) ECUtil.generatePrivateKeyParameter((PrivateKey) key);
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eCPrivateKeyParameters = (ECPrivateKeyParameters) ECUtil.generatePrivateKeyParameter(mQVParameterSpec.getEphemeralPrivateKey());
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eCPublicKeyParameters = mQVParameterSpec.getEphemeralPublicKey() != null ? (ECPublicKeyParameters) ECUtil.generatePublicKeyParameter(mQVParameterSpec.getEphemeralPublicKey()) : null;
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this.mqvParameters = mQVParameterSpec;
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this.ukmParameters = mQVParameterSpec.getUserKeyingMaterial();
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eCPrivateKeyParameters2 = eCPrivateKeyParameters3;
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}
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CipherParameters mQVPrivateParameters = new MQVPrivateParameters(eCPrivateKeyParameters2, eCPrivateKeyParameters, eCPublicKeyParameters);
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this.parameters = eCPrivateKeyParameters2.getParameters();
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cipherParameters = mQVPrivateParameters;
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} else {
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if (!(key instanceof PrivateKey)) {
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StringBuilder sb2 = new StringBuilder();
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sb2.append(this.kaAlgorithm);
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sb2.append(" key agreement requires ");
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sb2.append(getSimpleName(ECPrivateKey.class));
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sb2.append(" for initialisation");
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throw new InvalidKeyException(sb2.toString());
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}
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ECPrivateKeyParameters eCPrivateKeyParameters4 = (ECPrivateKeyParameters) ECUtil.generatePrivateKeyParameter((PrivateKey) key);
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this.parameters = eCPrivateKeyParameters4.getParameters();
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this.ukmParameters = algorithmParameterSpec instanceof UserKeyingMaterialSpec ? ((UserKeyingMaterialSpec) algorithmParameterSpec).getUserKeyingMaterial() : null;
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cipherParameters = eCPrivateKeyParameters4;
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}
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this.agreement.init(cipherParameters);
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}
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private static String getSimpleName(Class cls) {
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String name = cls.getName();
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return name.substring(name.lastIndexOf(46) + 1);
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}
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/* loaded from: classes6.dex */
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public static class CDHwithSHA1KDFAndSharedInfo extends KeyAgreementSpi {
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public CDHwithSHA1KDFAndSharedInfo() {
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super("ECCDHwithSHA1KDF", new ECDHCBasicAgreement(), new KDF2BytesGenerator(new SHA1Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class CDHwithSHA224KDFAndSharedInfo extends KeyAgreementSpi {
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public CDHwithSHA224KDFAndSharedInfo() {
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super("ECCDHwithSHA224KDF", new ECDHCBasicAgreement(), new KDF2BytesGenerator(new SHA224Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class CDHwithSHA256KDFAndSharedInfo extends KeyAgreementSpi {
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public CDHwithSHA256KDFAndSharedInfo() {
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super("ECCDHwithSHA256KDF", new ECDHCBasicAgreement(), new KDF2BytesGenerator(new SHA256Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class CDHwithSHA384KDFAndSharedInfo extends KeyAgreementSpi {
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public CDHwithSHA384KDFAndSharedInfo() {
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super("ECCDHwithSHA384KDF", new ECDHCBasicAgreement(), new KDF2BytesGenerator(new SHA384Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class CDHwithSHA512KDFAndSharedInfo extends KeyAgreementSpi {
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public CDHwithSHA512KDFAndSharedInfo() {
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super("ECCDHwithSHA512KDF", new ECDHCBasicAgreement(), new KDF2BytesGenerator(new SHA512Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DH extends KeyAgreementSpi {
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public DH() {
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super("ECDH", new ECDHBasicAgreement(), null);
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}
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}
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/* loaded from: classes6.dex */
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public static class DHC extends KeyAgreementSpi {
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public DHC() {
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super("ECDHC", new ECDHCBasicAgreement(), null);
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA1CKDF extends KeyAgreementSpi {
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public DHwithSHA1CKDF() {
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super("ECDHwithSHA1CKDF", new ECDHCBasicAgreement(), new ConcatenationKDFGenerator(new SHA1Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA1KDF extends KeyAgreementSpi {
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public DHwithSHA1KDF() {
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super("ECDHwithSHA1KDF", new ECDHBasicAgreement(), new KDF2BytesGenerator(new SHA1Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA1KDFAndSharedInfo extends KeyAgreementSpi {
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public DHwithSHA1KDFAndSharedInfo() {
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super("ECDHwithSHA1KDF", new ECDHBasicAgreement(), new KDF2BytesGenerator(new SHA1Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA224KDFAndSharedInfo extends KeyAgreementSpi {
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public DHwithSHA224KDFAndSharedInfo() {
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super("ECDHwithSHA224KDF", new ECDHBasicAgreement(), new KDF2BytesGenerator(new SHA224Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA256CKDF extends KeyAgreementSpi {
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public DHwithSHA256CKDF() {
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super("ECDHwithSHA256CKDF", new ECDHCBasicAgreement(), new ConcatenationKDFGenerator(new SHA256Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA256KDFAndSharedInfo extends KeyAgreementSpi {
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public DHwithSHA256KDFAndSharedInfo() {
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super("ECDHwithSHA256KDF", new ECDHBasicAgreement(), new KDF2BytesGenerator(new SHA256Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA384CKDF extends KeyAgreementSpi {
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public DHwithSHA384CKDF() {
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super("ECDHwithSHA384CKDF", new ECDHCBasicAgreement(), new ConcatenationKDFGenerator(new SHA384Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA384KDFAndSharedInfo extends KeyAgreementSpi {
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public DHwithSHA384KDFAndSharedInfo() {
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super("ECDHwithSHA384KDF", new ECDHBasicAgreement(), new KDF2BytesGenerator(new SHA384Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA512CKDF extends KeyAgreementSpi {
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public DHwithSHA512CKDF() {
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super("ECDHwithSHA512CKDF", new ECDHCBasicAgreement(), new ConcatenationKDFGenerator(new SHA512Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class DHwithSHA512KDFAndSharedInfo extends KeyAgreementSpi {
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public DHwithSHA512KDFAndSharedInfo() {
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super("ECDHwithSHA512KDF", new ECDHBasicAgreement(), new KDF2BytesGenerator(new SHA512Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class MQV extends KeyAgreementSpi {
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public MQV() {
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super("ECMQV", new ECMQVBasicAgreement(), null);
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}
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}
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/* loaded from: classes6.dex */
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public static class MQVwithSHA1CKDF extends KeyAgreementSpi {
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public MQVwithSHA1CKDF() {
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super("ECMQVwithSHA1CKDF", new ECMQVBasicAgreement(), new ConcatenationKDFGenerator(new SHA1Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class MQVwithSHA1KDFAndSharedInfo extends KeyAgreementSpi {
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public MQVwithSHA1KDFAndSharedInfo() {
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super("ECMQVwithSHA1KDF", new ECMQVBasicAgreement(), new KDF2BytesGenerator(new SHA1Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class MQVwithSHA224CKDF extends KeyAgreementSpi {
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public MQVwithSHA224CKDF() {
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super("ECMQVwithSHA224CKDF", new ECMQVBasicAgreement(), new ConcatenationKDFGenerator(new SHA224Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class MQVwithSHA224KDFAndSharedInfo extends KeyAgreementSpi {
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public MQVwithSHA224KDFAndSharedInfo() {
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super("ECMQVwithSHA224KDF", new ECMQVBasicAgreement(), new KDF2BytesGenerator(new SHA224Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class MQVwithSHA256CKDF extends KeyAgreementSpi {
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public MQVwithSHA256CKDF() {
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super("ECMQVwithSHA256CKDF", new ECMQVBasicAgreement(), new ConcatenationKDFGenerator(new SHA256Digest()));
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}
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}
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/* loaded from: classes6.dex */
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public static class MQVwithSHA256KDFAndSharedInfo extends KeyAgreementSpi {
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public MQVwithSHA256KDFAndSharedInfo() {
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super("ECMQVwithSHA256KDF", new ECMQVBasicAgreement(), new KDF2BytesGenerator(new SHA256Digest()));
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}
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}
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||
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/* loaded from: classes6.dex */
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public static class MQVwithSHA384CKDF extends KeyAgreementSpi {
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public MQVwithSHA384CKDF() {
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super("ECMQVwithSHA384CKDF", new ECMQVBasicAgreement(), new ConcatenationKDFGenerator(new SHA384Digest()));
|
||
|
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}
|
||
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|
}
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public static class MQVwithSHA384KDFAndSharedInfo extends KeyAgreementSpi {
|
||
|
|
public MQVwithSHA384KDFAndSharedInfo() {
|
||
|
|
super("ECMQVwithSHA384KDF", new ECMQVBasicAgreement(), new KDF2BytesGenerator(new SHA384Digest()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public static class MQVwithSHA512CKDF extends KeyAgreementSpi {
|
||
|
|
public MQVwithSHA512CKDF() {
|
||
|
|
super("ECMQVwithSHA512CKDF", new ECMQVBasicAgreement(), new ConcatenationKDFGenerator(new SHA512Digest()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public static class MQVwithSHA512KDFAndSharedInfo extends KeyAgreementSpi {
|
||
|
|
public MQVwithSHA512KDFAndSharedInfo() {
|
||
|
|
super("ECMQVwithSHA512KDF", new ECMQVBasicAgreement(), new KDF2BytesGenerator(new SHA512Digest()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
protected KeyAgreementSpi(String str, BasicAgreement basicAgreement, DerivationFunction derivationFunction) {
|
||
|
|
super(str, derivationFunction);
|
||
|
|
this.kaAlgorithm = str;
|
||
|
|
this.agreement = basicAgreement;
|
||
|
|
}
|
||
|
|
}
|