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List:       bouncycastle-crypto-dev
Subject:    Re: [dev-crypto] Get recipients of s/mime encrypted message
From:       David Hook <dgh () cryptoworkshop ! com>
Date:       2017-11-11 5:33:15
Message-ID: 4819caf9-0df9-92dc-5338-a864716502ae () cryptoworkshop ! com
[Download RAW message or body]

RecipientInformation.getRID() should provide the necessary information
to match up the private key used.

Regards,

David

On 10/11/17 21:19, Simon Hain wrote:
> Hi,
>  
> i have an s/mime encrypted message (envelopeddata) which i can
> successfully decrypt using CMSEnvelopedDataParser if i use the correct
> private key.
> This message is encrypted for a different recipient so my code loads
> the wrong key when it looks it up using the mail address.
> Is it possible to extract the recipient from the encrypted content
> (from RecipientInformation or the like) before actually decrypting it?
>  
> Cheers,
> Simon



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    <div class="moz-cite-prefix"><br>
      RecipientInformation.getRID() should provide the necessary
      information to match up the private key used.<br>
      <br>
      Regards,<br>
      <br>
      David<br>
      <br>
      On 10/11/17 21:19, Simon Hain wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:trinity-da72bab4-d5a8-47af-9ae8-955ee1924197-1510309180323@3c-app-gmx-bs39">
      <div style="font-family: Verdana;font-size: 12.0px;">
        <div>Hi,</div>
        <div> </div>
        <div>i have an s/mime encrypted message (envelopeddata) which i
          can successfully decrypt using CMSEnvelopedDataParser if i use
          the correct private key.</div>
        <div>This message is encrypted for a different recipient so my
          code loads the wrong key when it looks it up using the mail
          address.</div>
        <div>Is it possible to extract the recipient from the encrypted
          content (from RecipientInformation or the like) before
          actually decrypting it?</div>
        <div> </div>
        <div>Cheers,</div>
        <div>Simon</div>
      </div>
    </blockquote>
    <p><br>
    </p>
  </body>
</html>


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