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

package com.google.crypto.tink.prf.internal;

import com.google.crypto.tink.internal.Util;
import com.google.crypto.tink.internal.MutableSerializationRegistry;
import com.google.crypto.tink.util.SecretBytes;
import com.google.protobuf.InvalidProtocolBufferException;
import com.google.protobuf.ExtensionRegistryLite;
import java.security.GeneralSecurityException;
import com.google.crypto.tink.proto.KeyData;
import com.google.protobuf.ByteString;
import javax.annotation.Nullable;
import com.google.crypto.tink.SecretKeyAccess;
import com.google.crypto.tink.proto.OutputPrefixType;
import com.google.crypto.tink.proto.AesCmacPrfKeyFormat;
import com.google.crypto.tink.proto.KeyTemplate;
import com.google.crypto.tink.internal.KeyParser;
import com.google.crypto.tink.internal.ProtoKeySerialization;
import com.google.crypto.tink.prf.AesCmacPrfKey;
import com.google.crypto.tink.internal.KeySerializer;
import com.google.crypto.tink.internal.ParametersParser;
import com.google.crypto.tink.internal.ProtoParametersSerialization;
import com.google.crypto.tink.prf.AesCmacPrfParameters;
import com.google.crypto.tink.internal.ParametersSerializer;
import com.google.crypto.tink.util.Bytes;
import com.google.crypto.tink.AccessesPartialKey;

@AccessesPartialKey
public final class AesCmacPrfProtoSerialization
{
    private static final String TYPE_URL = "type.googleapis.com/google.crypto.tink.AesCmacPrfKey";
    private static final Bytes TYPE_URL_BYTES;
    private static final ParametersSerializer<AesCmacPrfParameters, ProtoParametersSerialization> PARAMETERS_SERIALIZER;
    private static final ParametersParser<ProtoParametersSerialization> PARAMETERS_PARSER;
    private static final KeySerializer<AesCmacPrfKey, ProtoKeySerialization> KEY_SERIALIZER;
    private static final KeyParser<ProtoKeySerialization> KEY_PARSER;
    
    private static ProtoParametersSerialization serializeParameters(final AesCmacPrfParameters parameters) {
        return ProtoParametersSerialization.create(KeyTemplate.newBuilder().setTypeUrl("type.googleapis.com/google.crypto.tink.AesCmacPrfKey").setValue(AesCmacPrfKeyFormat.newBuilder().setKeySize(parameters.getKeySizeBytes()).build().toByteString()).setOutputPrefixType(OutputPrefixType.RAW).build());
    }
    
    private static ProtoKeySerialization serializeKey(final AesCmacPrfKey key, @Nullable final SecretKeyAccess access) throws GeneralSecurityException {
        return ProtoKeySerialization.create("type.googleapis.com/google.crypto.tink.AesCmacPrfKey", com.google.crypto.tink.proto.AesCmacPrfKey.newBuilder().setKeyValue(ByteString.copyFrom(key.getKeyBytes().toByteArray(SecretKeyAccess.requireAccess(access)))).build().toByteString(), KeyData.KeyMaterialType.SYMMETRIC, OutputPrefixType.RAW, key.getIdRequirementOrNull());
    }
    
    private static AesCmacPrfParameters parseParameters(final ProtoParametersSerialization serialization) throws GeneralSecurityException {
        if (!serialization.getKeyTemplate().getTypeUrl().equals("type.googleapis.com/google.crypto.tink.AesCmacPrfKey")) {
            throw new IllegalArgumentException("Wrong type URL in call to AesCmacPrfProtoSerialization.parseParameters: " + serialization.getKeyTemplate().getTypeUrl());
        }
        AesCmacPrfKeyFormat format;
        try {
            format = AesCmacPrfKeyFormat.parseFrom(serialization.getKeyTemplate().getValue(), ExtensionRegistryLite.getEmptyRegistry());
        }
        catch (final InvalidProtocolBufferException e) {
            throw new GeneralSecurityException("Parsing AesCmacPrfParameters failed: ", e);
        }
        if (format.getVersion() != 0) {
            throw new GeneralSecurityException("Parsing AesCmacPrfParameters failed: unknown Version " + format.getVersion());
        }
        if (serialization.getKeyTemplate().getOutputPrefixType() != OutputPrefixType.RAW) {
            throw new GeneralSecurityException("Parsing AesCmacPrfParameters failed: only RAW output prefix type is accepted");
        }
        return AesCmacPrfParameters.create(format.getKeySize());
    }
    
    private static AesCmacPrfKey parseKey(final ProtoKeySerialization serialization, @Nullable final SecretKeyAccess access) throws GeneralSecurityException {
        if (!serialization.getTypeUrl().equals("type.googleapis.com/google.crypto.tink.AesCmacPrfKey")) {
            throw new IllegalArgumentException("Wrong type URL in call to AesCmacPrfProtoSerialization.parseKey");
        }
        try {
            final com.google.crypto.tink.proto.AesCmacPrfKey protoKey = com.google.crypto.tink.proto.AesCmacPrfKey.parseFrom(serialization.getValue(), ExtensionRegistryLite.getEmptyRegistry());
            if (protoKey.getVersion() != 0) {
                throw new GeneralSecurityException("Only version 0 keys are accepted");
            }
            if (serialization.getIdRequirementOrNull() != null) {
                throw new GeneralSecurityException("ID requirement must be null.");
            }
            final AesCmacPrfParameters parameters = AesCmacPrfParameters.create(protoKey.getKeyValue().size());
            return AesCmacPrfKey.create(parameters, SecretBytes.copyFrom(protoKey.getKeyValue().toByteArray(), SecretKeyAccess.requireAccess(access)));
        }
        catch (final InvalidProtocolBufferException e) {
            throw new GeneralSecurityException("Parsing AesCmacPrfKey failed");
        }
    }
    
    public static void register() throws GeneralSecurityException {
        register(MutableSerializationRegistry.globalInstance());
    }
    
    public static void register(final MutableSerializationRegistry registry) throws GeneralSecurityException {
        registry.registerParametersSerializer(AesCmacPrfProtoSerialization.PARAMETERS_SERIALIZER);
        registry.registerParametersParser(AesCmacPrfProtoSerialization.PARAMETERS_PARSER);
        registry.registerKeySerializer(AesCmacPrfProtoSerialization.KEY_SERIALIZER);
        registry.registerKeyParser(AesCmacPrfProtoSerialization.KEY_PARSER);
    }
    
    private AesCmacPrfProtoSerialization() {
    }
    
    static {
        TYPE_URL_BYTES = Util.toBytesFromPrintableAscii("type.googleapis.com/google.crypto.tink.AesCmacPrfKey");
        PARAMETERS_SERIALIZER = ParametersSerializer.create(AesCmacPrfProtoSerialization::serializeParameters, AesCmacPrfParameters.class, ProtoParametersSerialization.class);
        PARAMETERS_PARSER = ParametersParser.create(AesCmacPrfProtoSerialization::parseParameters, AesCmacPrfProtoSerialization.TYPE_URL_BYTES, ProtoParametersSerialization.class);
        KEY_SERIALIZER = KeySerializer.create(AesCmacPrfProtoSerialization::serializeKey, AesCmacPrfKey.class, ProtoKeySerialization.class);
        KEY_PARSER = KeyParser.create(AesCmacPrfProtoSerialization::parseKey, AesCmacPrfProtoSerialization.TYPE_URL_BYTES, ProtoKeySerialization.class);
    }
}