org.bouncycastle.mail.smime.SMIMEEnveloped Maven / Gradle / Ivy

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The Bouncy Castle Java APIs for doing S/MIME with the Jakarta Mail APIs. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.mail.smime;

import java.io.IOException;
import java.io.InputStream;

import jakarta.mail.MessagingException;
import jakarta.mail.Part;
import jakarta.mail.internet.MimeBodyPart;
import jakarta.mail.internet.MimeMessage;
import jakarta.mail.internet.MimePart;

import org.bouncycastle.cms.CMSEnvelopedData;
import org.bouncycastle.cms.CMSException;

/**
 * containing class for an S/MIME pkcs7-mime encrypted MimePart.
 */
public class SMIMEEnveloped
    extends CMSEnvelopedData
{
    MimePart                message;

    private static InputStream getInputStream(
        Part    bodyPart)
        throws MessagingException
    {
        try
        {
            return bodyPart.getInputStream();
        }
        catch (IOException e)
        {
            throw new MessagingException("can't extract input stream: " + e);
        }
    }

    public SMIMEEnveloped(
        MimeBodyPart    message) 
        throws MessagingException, CMSException
    {
        super(getInputStream(message));

        this.message = message;
    }

    public SMIMEEnveloped(
        MimeMessage    message) 
        throws MessagingException, CMSException
    {
        super(getInputStream(message));

        this.message = message;
    }

    public MimePart getEncryptedContent()
    {
        return message;
    }
}