Easily add S/MIME capability to your programs. Create signed and encrypted.
BS Editor: Chilkat S/MIME allows you to easily Create and manipulate MIME and S/MIME messages from within your applications.

Features:

* Royalty free licensing. (All Chilkat components are royalty free)
* Verify signed messages.
* Decrypt messages.
* Encrypt a message.
* Add one or more detached digital signatures to a message.
* Convert to a signed (non-detached signature) message.
* Unwrap a message to get the message as it was before encryption and signatures were applied.
* Access to certificates used for signing and encryption.
* Drill down into arbitrarily complex MultiPart messages.
* Create multipart/signed messages.
* Create multipart/related messages.
* Create multipart/mixed messages.
* Full control over content type.
* Full control over content disposition and encoding.
* Ability to add custom header fields.
* Conversion to and from XML.
* Support for HTML, and XML.
* Support for image files (JPG, GIF, etc.)
* Automatic Base64 encoding/decoding.
* Automatic B and Q encoding/decoding based on charsets and content.
* File attachments. you can free download Chilkat S/MIME 3.5.5 now.