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

package com.google.crypto.tink.aead;

import com.google.errorprone.annotations.Immutable;
import java.util.Objects;
import java.security.GeneralSecurityException;

public final class XAesGcmParameters extends AeadParameters
{
    private final Variant variant;
    private final int saltSizeBytes;
    
    public static XAesGcmParameters create(final Variant variant, final int saltSizeBytes) throws GeneralSecurityException {
        if (saltSizeBytes < 8 || saltSizeBytes > 12) {
            throw new GeneralSecurityException("Salt size must be between 8 and 12 bytes");
        }
        return new XAesGcmParameters(variant, saltSizeBytes);
    }
    
    private XAesGcmParameters(final Variant variant, final int saltSizeBytes) {
        this.variant = variant;
        this.saltSizeBytes = saltSizeBytes;
    }
    
    public Variant getVariant() {
        return this.variant;
    }
    
    public int getSaltSizeBytes() {
        return this.saltSizeBytes;
    }
    
    @Override
    public boolean equals(final Object o) {
        if (!(o instanceof XAesGcmParameters)) {
            return false;
        }
        final XAesGcmParameters that = (XAesGcmParameters)o;
        return that.getVariant() == this.getVariant() && that.getSaltSizeBytes() == this.getSaltSizeBytes();
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(XAesGcmParameters.class, this.variant, this.saltSizeBytes);
    }
    
    @Override
    public boolean hasIdRequirement() {
        return this.variant != Variant.NO_PREFIX;
    }
    
    @Override
    public String toString() {
        return "X-AES-GCM Parameters (variant: " + this.variant + "salt_size_bytes: " + this.saltSizeBytes + ")";
    }
    
    @Immutable
    public static final class Variant
    {
        public static final Variant TINK;
        public static final Variant NO_PREFIX;
        private final String name;
        
        private Variant(final String name) {
            this.name = name;
        }
        
        @Override
        public String toString() {
            return this.name;
        }
        
        static {
            TINK = new Variant("TINK");
            NO_PREFIX = new Variant("NO_PREFIX");
        }
    }
}