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

package com.google.crypto.tink.mac;

import com.google.crypto.tink.mac.internal.ChunkedAesCmacImpl;
import com.google.crypto.tink.config.internal.TinkFipsUtil;
import com.google.crypto.tink.Configuration;
import java.security.GeneralSecurityException;
import com.google.crypto.tink.mac.internal.ChunkedHmacImpl;
import com.google.crypto.tink.subtle.PrfMac;
import com.google.crypto.tink.Key;
import com.google.crypto.tink.internal.PrimitiveConstructor;
import com.google.crypto.tink.Mac;
import com.google.crypto.tink.internal.PrimitiveRegistry;
import com.google.crypto.tink.internal.InternalConfiguration;

class MacConfigurationV1
{
    private static final InternalConfiguration INTERNAL_CONFIGURATION;
    private static final int AES_CMAC_KEY_SIZE_BYTES = 32;
    
    private MacConfigurationV1() {
    }
    
    private static InternalConfiguration create() {
        try {
            final PrimitiveRegistry.Builder builder = PrimitiveRegistry.builder();
            MacWrapper.registerToInternalPrimitiveRegistry(builder);
            ChunkedMacWrapper.registerToInternalPrimitiveRegistry(builder);
            builder.registerPrimitiveConstructor((PrimitiveConstructor<Key, Object>)PrimitiveConstructor.create((PrimitiveConstructor.PrimitiveConstructionFunction<KeyT, PrimitiveT>)MacConfigurationV1::createAesCmac, (Class<KeyT>)AesCmacKey.class, (Class<PrimitiveT>)Mac.class));
            builder.registerPrimitiveConstructor((PrimitiveConstructor<Key, Object>)PrimitiveConstructor.create((PrimitiveConstructor.PrimitiveConstructionFunction<KeyT, PrimitiveT>)PrfMac::create, (Class<KeyT>)HmacKey.class, (Class<PrimitiveT>)Mac.class));
            builder.registerPrimitiveConstructor((PrimitiveConstructor<Key, Object>)PrimitiveConstructor.create((PrimitiveConstructor.PrimitiveConstructionFunction<KeyT, PrimitiveT>)MacConfigurationV1::createChunkedAesCmac, (Class<KeyT>)AesCmacKey.class, (Class<PrimitiveT>)ChunkedMac.class));
            builder.registerPrimitiveConstructor((PrimitiveConstructor<Key, Object>)PrimitiveConstructor.create((PrimitiveConstructor.PrimitiveConstructionFunction<KeyT, PrimitiveT>)ChunkedHmacImpl::new, (Class<KeyT>)HmacKey.class, (Class<PrimitiveT>)ChunkedMac.class));
            return InternalConfiguration.createFromPrimitiveRegistry(builder.build());
        }
        catch (final GeneralSecurityException e) {
            throw new IllegalStateException(e);
        }
    }
    
    public static Configuration get() throws GeneralSecurityException {
        if (TinkFipsUtil.useOnlyFips()) {
            throw new GeneralSecurityException("Cannot use non-FIPS-compliant MacConfigurationV1 in FIPS mode");
        }
        return MacConfigurationV1.INTERNAL_CONFIGURATION;
    }
    
    private static ChunkedMac createChunkedAesCmac(final AesCmacKey key) throws GeneralSecurityException {
        if (key.getParameters().getKeySizeBytes() != 32) {
            throw new GeneralSecurityException("AesCmac key size is not 32 bytes");
        }
        return ChunkedAesCmacImpl.create(key);
    }
    
    private static Mac createAesCmac(final AesCmacKey key) throws GeneralSecurityException {
        if (key.getParameters().getKeySizeBytes() != 32) {
            throw new GeneralSecurityException("AesCmac key size is not 32 bytes");
        }
        return PrfMac.create(key);
    }
    
    static {
        INTERNAL_CONFIGURATION = create();
    }
}