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Utility classes developed at Adrian Smith Software (A.S.S.)

There is a newer version: 21.0.1

package com.databasesandlife.util;

import com.databasesandlife.util.gwtsafe.CleartextPassword;
import org.mindrot.jbcrypt.BCrypt;

import javax.annotation.Nonnull;
import java.io.Serializable;

/**
 * Wraps a string containing a BCrypt encrypted password.
 * The purpose of this class is to increase type-safety over using a plain string.
 *
 * @author This source is copyright Adrian Smith and licensed under the LGPL 3.
 * @see Project on GitHub
 */
public class BCryptPassword implements Serializable {

    public final @Nonnull String bcrypt;

    public BCryptPassword(@Nonnull String b) {
        bcrypt = b;
    }

    public BCryptPassword(@Nonnull CleartextPassword b) {
        bcrypt = BCrypt.hashpw(b.getCleartext(), BCrypt.gensalt());
    }

    public boolean is(@Nonnull CleartextPassword b) {
        return BCrypt.checkpw(b.getCleartext(), bcrypt);
    }

    @Override
    public boolean equals(Object o) {
        if (o == null || !getClass().equals(o.getClass())) return false;

        var that = (BCryptPassword) o;
        return bcrypt.equals(that.bcrypt);
    }

    @Override
    public int hashCode() {
        return 3452356 + bcrypt.hashCode();
    }
}