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

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

import com.google.crypto.tink.internal.Util;
import com.google.crypto.tink.util.SecretBytes;
import com.google.protobuf.InvalidProtocolBufferException;
import com.google.protobuf.ExtensionRegistryLite;
import com.google.crypto.tink.proto.KeyData;
import javax.annotation.Nullable;
import com.google.crypto.tink.SecretKeyAccess;
import com.google.crypto.tink.proto.MlDsaKeyFormat;
import com.google.crypto.tink.proto.KeyTemplate;
import com.google.protobuf.ByteString;
import com.google.crypto.tink.proto.MlDsaParams;
import java.security.GeneralSecurityException;
import com.google.crypto.tink.internal.MutableSerializationRegistry;
import com.google.crypto.tink.proto.MlDsaInstance;
import com.google.crypto.tink.proto.OutputPrefixType;
import com.google.crypto.tink.internal.EnumTypeProtoConverter;
import com.google.crypto.tink.signature.MlDsaPrivateKey;
import com.google.crypto.tink.internal.KeyParser;
import com.google.crypto.tink.internal.ProtoKeySerialization;
import com.google.crypto.tink.signature.MlDsaPublicKey;
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.signature.MlDsaParameters;
import com.google.crypto.tink.internal.ParametersSerializer;
import com.google.crypto.tink.util.Bytes;
import com.google.crypto.tink.AccessesPartialKey;

@AccessesPartialKey
public final class MlDsaProtoSerialization
{
    private static final String PRIVATE_TYPE_URL = "type.googleapis.com/google.crypto.tink.MlDsaPrivateKey";
    private static final Bytes PRIVATE_TYPE_URL_BYTES;
    private static final String PUBLIC_TYPE_URL = "type.googleapis.com/google.crypto.tink.MlDsaPublicKey";
    private static final Bytes PUBLIC_TYPE_URL_BYTES;
    private static final ParametersSerializer<MlDsaParameters, ProtoParametersSerialization> PARAMETERS_SERIALIZER;
    private static final ParametersParser<ProtoParametersSerialization> PARAMETERS_PARSER;
    private static final KeySerializer<MlDsaPublicKey, ProtoKeySerialization> PUBLIC_KEY_SERIALIZER;
    private static final KeyParser<ProtoKeySerialization> PUBLIC_KEY_PARSER;
    private static final KeySerializer<MlDsaPrivateKey, ProtoKeySerialization> PRIVATE_KEY_SERIALIZER;
    private static final KeyParser<ProtoKeySerialization> PRIVATE_KEY_PARSER;
    private static final EnumTypeProtoConverter<OutputPrefixType, MlDsaParameters.Variant> VARIANT_CONVERTER;
    private static final EnumTypeProtoConverter<MlDsaInstance, MlDsaParameters.MlDsaInstance> INSTANCE_CONVERTER;
    
    public static void register() throws GeneralSecurityException {
        register(MutableSerializationRegistry.globalInstance());
    }
    
    public static void register(final MutableSerializationRegistry registry) throws GeneralSecurityException {
        registry.registerParametersSerializer(MlDsaProtoSerialization.PARAMETERS_SERIALIZER);
        registry.registerParametersParser(MlDsaProtoSerialization.PARAMETERS_PARSER);
        registry.registerKeySerializer(MlDsaProtoSerialization.PUBLIC_KEY_SERIALIZER);
        registry.registerKeyParser(MlDsaProtoSerialization.PUBLIC_KEY_PARSER);
        registry.registerKeySerializer(MlDsaProtoSerialization.PRIVATE_KEY_SERIALIZER);
        registry.registerKeyParser(MlDsaProtoSerialization.PRIVATE_KEY_PARSER);
    }
    
    private static MlDsaParams getProtoParams(final MlDsaParameters parameters) throws GeneralSecurityException {
        return MlDsaParams.newBuilder().setMlDsaInstance(MlDsaProtoSerialization.INSTANCE_CONVERTER.toProtoEnum(parameters.getMlDsaInstance())).build();
    }
    
    private static com.google.crypto.tink.proto.MlDsaPublicKey getProtoPublicKey(final MlDsaPublicKey key) throws GeneralSecurityException {
        return com.google.crypto.tink.proto.MlDsaPublicKey.newBuilder().setVersion(0).setParams(getProtoParams(key.getParameters())).setKeyValue(ByteString.copyFrom(key.getSerializedPublicKey().toByteArray())).build();
    }
    
    private static ProtoParametersSerialization serializeParameters(final MlDsaParameters parameters) throws GeneralSecurityException {
        return ProtoParametersSerialization.create(KeyTemplate.newBuilder().setTypeUrl("type.googleapis.com/google.crypto.tink.MlDsaPrivateKey").setValue(MlDsaKeyFormat.newBuilder().setParams(getProtoParams(parameters)).setVersion(0).build().toByteString()).setOutputPrefixType(MlDsaProtoSerialization.VARIANT_CONVERTER.toProtoEnum(parameters.getVariant())).build());
    }
    
    private static ProtoKeySerialization serializePublicKey(final MlDsaPublicKey key, @Nullable final SecretKeyAccess access) throws GeneralSecurityException {
        return ProtoKeySerialization.create("type.googleapis.com/google.crypto.tink.MlDsaPublicKey", getProtoPublicKey(key).toByteString(), KeyData.KeyMaterialType.ASYMMETRIC_PUBLIC, MlDsaProtoSerialization.VARIANT_CONVERTER.toProtoEnum(key.getParameters().getVariant()), key.getIdRequirementOrNull());
    }
    
    private static ProtoKeySerialization serializePrivateKey(final MlDsaPrivateKey key, @Nullable final SecretKeyAccess access) throws GeneralSecurityException {
        return ProtoKeySerialization.create("type.googleapis.com/google.crypto.tink.MlDsaPrivateKey", com.google.crypto.tink.proto.MlDsaPrivateKey.newBuilder().setVersion(0).setPublicKey(getProtoPublicKey(key.getPublicKey())).setKeyValue(ByteString.copyFrom(key.getPrivateSeed().toByteArray(SecretKeyAccess.requireAccess(access)))).build().toByteString(), KeyData.KeyMaterialType.ASYMMETRIC_PRIVATE, MlDsaProtoSerialization.VARIANT_CONVERTER.toProtoEnum(key.getParameters().getVariant()), key.getIdRequirementOrNull());
    }
    
    private static MlDsaParameters parseParameters(final ProtoParametersSerialization serialization) throws GeneralSecurityException {
        if (!serialization.getKeyTemplate().getTypeUrl().equals("type.googleapis.com/google.crypto.tink.MlDsaPrivateKey")) {
            throw new IllegalArgumentException("Wrong type URL in call to MlDsaProtoSerialization.parseParameters: " + serialization.getKeyTemplate().getTypeUrl());
        }
        MlDsaKeyFormat format;
        try {
            format = MlDsaKeyFormat.parseFrom(serialization.getKeyTemplate().getValue(), ExtensionRegistryLite.getEmptyRegistry());
        }
        catch (final InvalidProtocolBufferException e) {
            throw new GeneralSecurityException("Parsing MlDsaParameters failed: ", e);
        }
        if (format.getVersion() != 0) {
            throw new GeneralSecurityException("Only version 0 keys are accepted for ML-DSA.");
        }
        return MlDsaParameters.create(MlDsaProtoSerialization.INSTANCE_CONVERTER.fromProtoEnum(format.getParams().getMlDsaInstance()), MlDsaProtoSerialization.VARIANT_CONVERTER.fromProtoEnum(serialization.getKeyTemplate().getOutputPrefixType()));
    }
    
    private static MlDsaPublicKey parsePublicKey(final ProtoKeySerialization serialization, @Nullable final SecretKeyAccess access) throws GeneralSecurityException {
        if (!serialization.getTypeUrl().equals("type.googleapis.com/google.crypto.tink.MlDsaPublicKey")) {
            throw new IllegalArgumentException("Wrong type URL in call to MlDsaProtoSerialization.parsePublicKey: " + serialization.getTypeUrl());
        }
        if (serialization.getKeyMaterialType() != KeyData.KeyMaterialType.ASYMMETRIC_PUBLIC) {
            throw new GeneralSecurityException("Wrong KeyMaterialType for MlDsaPublicKey: " + serialization.getKeyMaterialType());
        }
        try {
            final com.google.crypto.tink.proto.MlDsaPublicKey protoKey = com.google.crypto.tink.proto.MlDsaPublicKey.parseFrom(serialization.getValue(), ExtensionRegistryLite.getEmptyRegistry());
            if (protoKey.getVersion() != 0) {
                throw new GeneralSecurityException("Only version 0 keys are accepted");
            }
            final MlDsaParameters parameters = MlDsaParameters.create(MlDsaProtoSerialization.INSTANCE_CONVERTER.fromProtoEnum(protoKey.getParams().getMlDsaInstance()), MlDsaProtoSerialization.VARIANT_CONVERTER.fromProtoEnum(serialization.getOutputPrefixType()));
            final MlDsaPublicKey.Builder builder = MlDsaPublicKey.builder().setParameters(parameters).setSerializedPublicKey(Bytes.copyFrom(protoKey.getKeyValue().toByteArray()));
            if (serialization.getIdRequirementOrNull() != null) {
                builder.setIdRequirement(serialization.getIdRequirementOrNull());
            }
            return builder.build();
        }
        catch (final InvalidProtocolBufferException e) {
            throw new GeneralSecurityException("Parsing MlDsaPublicKey failed");
        }
    }
    
    private static MlDsaPrivateKey parsePrivateKey(final ProtoKeySerialization serialization, @Nullable final SecretKeyAccess access) throws GeneralSecurityException {
        if (!serialization.getTypeUrl().equals("type.googleapis.com/google.crypto.tink.MlDsaPrivateKey")) {
            throw new IllegalArgumentException("Wrong type URL in call to MlDsaProtoSerialization.parsePrivateKey: " + serialization.getTypeUrl());
        }
        if (serialization.getKeyMaterialType() != KeyData.KeyMaterialType.ASYMMETRIC_PRIVATE) {
            throw new GeneralSecurityException("Wrong KeyMaterialType for MlDsaPrivateKey: " + serialization.getKeyMaterialType());
        }
        try {
            final com.google.crypto.tink.proto.MlDsaPrivateKey protoKey = com.google.crypto.tink.proto.MlDsaPrivateKey.parseFrom(serialization.getValue(), ExtensionRegistryLite.getEmptyRegistry());
            if (protoKey.getVersion() != 0) {
                throw new GeneralSecurityException("Only version 0 keys are accepted");
            }
            final com.google.crypto.tink.proto.MlDsaPublicKey protoPublicKey = protoKey.getPublicKey();
            if (protoPublicKey.getVersion() != 0) {
                throw new GeneralSecurityException("Only version 0 keys are accepted");
            }
            final MlDsaParameters parameters = MlDsaParameters.create(MlDsaProtoSerialization.INSTANCE_CONVERTER.fromProtoEnum(protoPublicKey.getParams().getMlDsaInstance()), MlDsaProtoSerialization.VARIANT_CONVERTER.fromProtoEnum(serialization.getOutputPrefixType()));
            final MlDsaPublicKey.Builder builder = MlDsaPublicKey.builder().setParameters(parameters).setSerializedPublicKey(Bytes.copyFrom(protoPublicKey.getKeyValue().toByteArray()));
            if (serialization.getIdRequirementOrNull() != null) {
                builder.setIdRequirement(serialization.getIdRequirementOrNull());
            }
            final MlDsaPublicKey publicKey = builder.build();
            return MlDsaPrivateKey.createWithoutVerification(publicKey, SecretBytes.copyFrom(protoKey.getKeyValue().toByteArray(), SecretKeyAccess.requireAccess(access)));
        }
        catch (final InvalidProtocolBufferException e) {
            throw new GeneralSecurityException("Parsing MlDsaPrivateKey failed");
        }
    }
    
    private MlDsaProtoSerialization() {
    }
    
    static {
        PRIVATE_TYPE_URL_BYTES = Util.toBytesFromPrintableAscii("type.googleapis.com/google.crypto.tink.MlDsaPrivateKey");
        PUBLIC_TYPE_URL_BYTES = Util.toBytesFromPrintableAscii("type.googleapis.com/google.crypto.tink.MlDsaPublicKey");
        PARAMETERS_SERIALIZER = ParametersSerializer.create(MlDsaProtoSerialization::serializeParameters, MlDsaParameters.class, ProtoParametersSerialization.class);
        PARAMETERS_PARSER = ParametersParser.create(MlDsaProtoSerialization::parseParameters, MlDsaProtoSerialization.PRIVATE_TYPE_URL_BYTES, ProtoParametersSerialization.class);
        PUBLIC_KEY_SERIALIZER = KeySerializer.create(MlDsaProtoSerialization::serializePublicKey, MlDsaPublicKey.class, ProtoKeySerialization.class);
        PUBLIC_KEY_PARSER = KeyParser.create(MlDsaProtoSerialization::parsePublicKey, MlDsaProtoSerialization.PUBLIC_TYPE_URL_BYTES, ProtoKeySerialization.class);
        PRIVATE_KEY_SERIALIZER = KeySerializer.create(MlDsaProtoSerialization::serializePrivateKey, MlDsaPrivateKey.class, ProtoKeySerialization.class);
        PRIVATE_KEY_PARSER = KeyParser.create(MlDsaProtoSerialization::parsePrivateKey, MlDsaProtoSerialization.PRIVATE_TYPE_URL_BYTES, ProtoKeySerialization.class);
        VARIANT_CONVERTER = EnumTypeProtoConverter.builder().add(OutputPrefixType.RAW, MlDsaParameters.Variant.NO_PREFIX).add(OutputPrefixType.TINK, MlDsaParameters.Variant.TINK).build();
        INSTANCE_CONVERTER = EnumTypeProtoConverter.builder().add(MlDsaInstance.ML_DSA_65, MlDsaParameters.MlDsaInstance.ML_DSA_65).build();
    }
}