http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.cms;

public class PasswordRecipientId
    extends RecipientId
{
    
Construct a recipient ID of the password type.

/**
     * Construct a recipient ID of the password type.
     */
    public PasswordRecipientId()
    {
        super(password);
    }

    public int hashCode()
    {
        return password;
    }

    public boolean equals(
        Object o)
    {
        if (!(o instanceof PasswordRecipientId))
        {
            return false;
        }

        return true;
    }

    public Object clone()
    {
        return new PasswordRecipientId();
    }

    public boolean match(Object obj)
    {
        if (obj instanceof PasswordRecipientInformation)
        {
            return true;
        }
        
        return false;
    }
}