#pragma once

 #ifdef __cplusplus

 extern "C" {

 #endif

 #include "message.h"

 // encrypt_message() - encrypt message in memory

 //

 //  parameters:

 //      session (in)        session handle

 //      src (in)            message to encrypt

 //      extra (in)          extra keys for encryption

 //      dst (out)           pointer to new encrypted message or NULL on failure

 //      enc_format (in)     encrypted format

 //

 //  return value:

 //      PEP_STATUS_OK                   on success

 //		PEP_KEY_NOT_FOUND	            at least one of the receipient keys

 //		                                could not be found

 //		PEP_KEY_HAS_AMBIG_NAME          at least one of the receipient keys has

 //		                                an ambiguous name

 //		PEP_GET_KEY_FAILED		        cannot retrieve key

 //

 //	caveat:

 //	    the ownership of the new message goes to the caller

 DYNAMIC_API PEP_STATUS encrypt_message(

         PEP_SESSION session,

         const message *src,

         stringlist_t *extra,

         message **dst,

         PEP_enc_format enc_format

     );

 // decrypt_message() - decrypt message in memory

 //

 //  parameters:

 //      session (in)        session handle

 //      src (in)            message to decrypt

 //      dst (out)           pointer to new decrypted message or NULL on failure

 //      enc_format (in)     unencrypted format

 //

 //  return value:

 //      error status or PEP_STATUS_OK on success

 //

 //	caveat:

 //	    the ownership of the new message goes to the caller

 DYNAMIC_API PEP_STATUS decrypt_message(

         PEP_SESSION session,

         const message *src,

         message **dst,

         PEP_enc_format enc_format

     );

 #ifdef __cplusplus

 }

 #endif