// 
// Decompiled by Procyon v0.6.0
// 

package org.bouncycastle.pqc.jcajce.provider.mayo;

import java.util.HashMap;
import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
import java.security.PrivateKey;
import java.security.PublicKey;
import org.bouncycastle.pqc.crypto.mayo.MayoPrivateKeyParameters;
import org.bouncycastle.pqc.crypto.mayo.MayoPublicKeyParameters;
import java.security.KeyPair;
import org.bouncycastle.util.Strings;
import org.bouncycastle.jcajce.util.SpecUtil;
import org.bouncycastle.pqc.jcajce.spec.MayoParameterSpec;
import java.security.InvalidAlgorithmParameterException;
import org.bouncycastle.crypto.KeyGenerationParameters;
import java.security.spec.AlgorithmParameterSpec;
import org.bouncycastle.crypto.CryptoServicesRegistrar;
import java.security.SecureRandom;
import org.bouncycastle.pqc.crypto.mayo.MayoKeyPairGenerator;
import org.bouncycastle.pqc.crypto.mayo.MayoParameters;
import org.bouncycastle.pqc.crypto.mayo.MayoKeyGenerationParameters;
import java.util.Map;
import java.security.KeyPairGenerator;

public class MayoKeyPairGeneratorSpi extends KeyPairGenerator
{
    private static Map parameters;
    MayoKeyGenerationParameters param;
    private MayoParameters mayoParameters;
    MayoKeyPairGenerator engine;
    SecureRandom random;
    boolean initialised;
    
    public MayoKeyPairGeneratorSpi() {
        super("Mayo");
        this.engine = new MayoKeyPairGenerator();
        this.random = CryptoServicesRegistrar.getSecureRandom();
        this.initialised = false;
    }
    
    protected MayoKeyPairGeneratorSpi(final MayoParameters mayoParameters) {
        super(mayoParameters.getName());
        this.engine = new MayoKeyPairGenerator();
        this.random = CryptoServicesRegistrar.getSecureRandom();
        this.initialised = false;
        this.mayoParameters = mayoParameters;
    }
    
    @Override
    public void initialize(final int n, final SecureRandom secureRandom) {
        throw new IllegalArgumentException("use AlgorithmParameterSpec");
    }
    
    @Override
    public void initialize(final AlgorithmParameterSpec obj, final SecureRandom secureRandom) throws InvalidAlgorithmParameterException {
        final String nameFromParams = getNameFromParams(obj);
        if (nameFromParams != null) {
            this.param = new MayoKeyGenerationParameters(secureRandom, (MayoParameters)MayoKeyPairGeneratorSpi.parameters.get(nameFromParams));
            this.engine.init(this.param);
            this.initialised = true;
            return;
        }
        throw new InvalidAlgorithmParameterException("invalid ParameterSpec: " + obj);
    }
    
    private static String getNameFromParams(final AlgorithmParameterSpec algorithmParameterSpec) {
        if (algorithmParameterSpec instanceof MayoParameterSpec) {
            return ((MayoParameterSpec)algorithmParameterSpec).getName();
        }
        return Strings.toLowerCase(SpecUtil.getNameFrom(algorithmParameterSpec));
    }
    
    @Override
    public KeyPair generateKeyPair() {
        if (!this.initialised) {
            this.param = new MayoKeyGenerationParameters(this.random, MayoParameters.mayo1);
            this.engine.init(this.param);
            this.initialised = true;
        }
        final AsymmetricCipherKeyPair generateKeyPair = this.engine.generateKeyPair();
        return new KeyPair(new BCMayoPublicKey((MayoPublicKeyParameters)generateKeyPair.getPublic()), new BCMayoPrivateKey((MayoPrivateKeyParameters)generateKeyPair.getPrivate()));
    }
    
    static {
        (MayoKeyPairGeneratorSpi.parameters = new HashMap()).put("MAYO_1", MayoParameters.mayo1);
        MayoKeyPairGeneratorSpi.parameters.put("MAYO_2", MayoParameters.mayo2);
        MayoKeyPairGeneratorSpi.parameters.put("MAYO_3", MayoParameters.mayo3);
        MayoKeyPairGeneratorSpi.parameters.put("MAYO_5", MayoParameters.mayo5);
        MayoKeyPairGeneratorSpi.parameters.put(MayoParameterSpec.mayo1.getName(), MayoParameters.mayo1);
        MayoKeyPairGeneratorSpi.parameters.put(MayoParameterSpec.mayo2.getName(), MayoParameters.mayo2);
        MayoKeyPairGeneratorSpi.parameters.put(MayoParameterSpec.mayo3.getName(), MayoParameters.mayo3);
        MayoKeyPairGeneratorSpi.parameters.put(MayoParameterSpec.mayo5.getName(), MayoParameters.mayo5);
    }
    
    public static class Mayo1 extends MayoKeyPairGeneratorSpi
    {
        public Mayo1() {
            super(MayoParameters.mayo1);
        }
    }
    
    public static class Mayo2 extends MayoKeyPairGeneratorSpi
    {
        public Mayo2() {
            super(MayoParameters.mayo2);
        }
    }
    
    public static class Mayo3 extends MayoKeyPairGeneratorSpi
    {
        public Mayo3() {
            super(MayoParameters.mayo3);
        }
    }
    
    public static class Mayo5 extends MayoKeyPairGeneratorSpi
    {
        public Mayo5() {
            super(MayoParameters.mayo5);
        }
    }
}