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

package org.bouncycastle.jcajce.provider.digest;

import org.bouncycastle.jcajce.provider.symmetric.util.PBESecretKeyFactory;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
import org.bouncycastle.crypto.CipherKeyGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseSecretKeyFactory;
import org.bouncycastle.crypto.Mac;
import org.bouncycastle.crypto.macs.HMac;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.SHA256Digest;

public class SHA256
{
    private SHA256() {
    }
    
    public static class Digest extends BCMessageDigest implements Cloneable
    {
        public Digest() {
            super(SHA256Digest.newInstance());
        }
        
        @Override
        public Object clone() throws CloneNotSupportedException {
            final Digest digest = (Digest)super.clone();
            digest.digest = SHA256Digest.newInstance(this.digest);
            return digest;
        }
    }
    
    public static class HashMac extends BaseMac
    {
        public HashMac() {
            super(new HMac(SHA256Digest.newInstance()));
        }
    }
    
    public static class KeyFactory extends BaseSecretKeyFactory
    {
        public KeyFactory() {
            super("HmacSHA256", null);
        }
    }
    
    public static class KeyGenerator extends BaseKeyGenerator
    {
        public KeyGenerator() {
            super("HMACSHA256", 256, new CipherKeyGenerator());
        }
    }
    
    public static class Mappings extends DigestAlgorithmProvider
    {
        private static final String PREFIX;
        
        @Override
        public void configure(final ConfigurableProvider configurableProvider) {
            configurableProvider.addAlgorithm("MessageDigest.SHA-256", Mappings.PREFIX + "$Digest");
            configurableProvider.addAlgorithm("Alg.Alias.MessageDigest.SHA256", "SHA-256");
            configurableProvider.addAlgorithm("Alg.Alias.MessageDigest." + NISTObjectIdentifiers.id_sha256, "SHA-256");
            configurableProvider.addAlgorithm("SecretKeyFactory.PBEWITHHMACSHA256", Mappings.PREFIX + "$PBEWithMacKeyFactory");
            configurableProvider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHHMACSHA-256", "PBEWITHHMACSHA256");
            configurableProvider.addAlgorithm("Alg.Alias.SecretKeyFactory." + NISTObjectIdentifiers.id_sha256, "PBEWITHHMACSHA256");
            configurableProvider.addAlgorithm("Mac.PBEWITHHMACSHA256", Mappings.PREFIX + "$HashMac");
            this.addHMACAlgorithm(configurableProvider, "SHA256", Mappings.PREFIX + "$HashMac", Mappings.PREFIX + "$KeyGenerator");
            this.addHMACAlias(configurableProvider, "SHA256", PKCSObjectIdentifiers.id_hmacWithSHA256);
            this.addHMACAlias(configurableProvider, "SHA256", NISTObjectIdentifiers.id_sha256);
            configurableProvider.addAlgorithm("SecretKeyFactory.HMACSHA256", Mappings.PREFIX + "$KeyFactory");
            configurableProvider.addAlgorithm("Alg.Alias.SecretKeyFactory." + PKCSObjectIdentifiers.id_hmacWithSHA256, "HMACSHA256");
        }
        
        static {
            PREFIX = SHA256.class.getName();
        }
    }
    
    public static class PBEWithMacKeyFactory extends PBESecretKeyFactory
    {
        public PBEWithMacKeyFactory() {
            super("PBEwithHmacSHA256", null, false, 2, 4, 256, 0);
        }
    }
}