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

package com.google.crypto.tink.keyderivation;

import com.google.crypto.tink.Parameters;
import java.util.Objects;
import com.google.crypto.tink.Key;
import com.google.crypto.tink.AccessesPartialKey;
import com.google.errorprone.annotations.RestrictedApi;
import java.security.GeneralSecurityException;
import javax.annotation.Nullable;
import com.google.crypto.tink.prf.PrfKey;

public final class PrfBasedKeyDerivationKey extends KeyDerivationKey
{
    private final PrfBasedKeyDerivationParameters parameters;
    private final PrfKey prfKey;
    private final Integer idRequirementOrNull;
    
    @RestrictedApi(explanation = "Accessing parts of keys can produce unexpected incompatibilities, annotate the function with @AccessesPartialKey", link = "https://developers.google.com/tink/design/access_control#accessing_partial_keys", allowedOnPath = ".*Test\\.java", allowlistAnnotations = { AccessesPartialKey.class })
    public static PrfBasedKeyDerivationKey create(final PrfBasedKeyDerivationParameters parameters, final PrfKey prfKey, @Nullable final Integer idRequirement) throws GeneralSecurityException {
        if (!parameters.getPrfParameters().equals(prfKey.getParameters())) {
            throw new GeneralSecurityException("PrfParameters of passed in PrfBasedKeyDerivationParameters and passed in prfKey parameters object must match. DerivationParameters gave: " + parameters.getPrfParameters() + ", key gives: " + prfKey.getParameters());
        }
        if (parameters.getDerivedKeyParameters().hasIdRequirement() && idRequirement == null) {
            throw new GeneralSecurityException("Derived key has an ID requirement, but no idRequirement was passed in on creation of this key");
        }
        if (!parameters.getDerivedKeyParameters().hasIdRequirement() && idRequirement != null) {
            throw new GeneralSecurityException("Derived key has no ID requirement, but idRequirement was passed in on creation of this key");
        }
        return new PrfBasedKeyDerivationKey(parameters, prfKey, idRequirement);
    }
    
    private PrfBasedKeyDerivationKey(final PrfBasedKeyDerivationParameters parameters, final PrfKey prfKey, @Nullable final Integer idRequirement) {
        this.parameters = parameters;
        this.prfKey = prfKey;
        this.idRequirementOrNull = idRequirement;
    }
    
    @RestrictedApi(explanation = "Accessing parts of keys can produce unexpected incompatibilities, annotate the function with @AccessesPartialKey", link = "https://developers.google.com/tink/design/access_control#accessing_partial_keys", allowedOnPath = ".*Test\\.java", allowlistAnnotations = { AccessesPartialKey.class })
    public PrfKey getPrfKey() {
        return this.prfKey;
    }
    
    @Override
    public PrfBasedKeyDerivationParameters getParameters() {
        return this.parameters;
    }
    
    @Nullable
    @Override
    public Integer getIdRequirementOrNull() {
        return this.idRequirementOrNull;
    }
    
    @Override
    public boolean equalsKey(final Key other) {
        if (!(other instanceof PrfBasedKeyDerivationKey)) {
            return false;
        }
        final PrfBasedKeyDerivationKey otherKey = (PrfBasedKeyDerivationKey)other;
        return otherKey.getParameters().equals(this.getParameters()) && otherKey.prfKey.equalsKey(this.prfKey) && Objects.equals(otherKey.idRequirementOrNull, this.idRequirementOrNull);
    }
}