Commit ad0a8a5c authored by Matt Caswell's avatar Matt Caswell
Browse files

Add the X448() and X448_public_from_private() functions 



Reviewed-by: default avatarBernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/5105)
parent b6e388ba

crypto/ec/curve448/curve448_lcl.h

0 → 100644
+7 −0
Original line number Diff line number Diff line 
#include "curve448utils.h"



int X448(uint8_t out_shared_key[56], const uint8_t private_key[56],

         const uint8_t peer_public_value[56]) DECAF_API_VIS;



void X448_public_from_private(uint8_t out_public_value[56],

                              const uint8_t private_key[56]) DECAF_API_VIS;

crypto/ec/curve448/decaf.c

+14 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 


#include "point_448.h"

#include "ed448.h"

#include "curve448_lcl.h"



/* Template stuff */

#define API_NS(_id) decaf_448_##_id
@@ -1590,3 +1591,16 @@ void API_NS(precomputed_destroy) ( 
) {

    OPENSSL_cleanse(pre, API_NS(sizeof_precomputed_s));

}



int X448(uint8_t out_shared_key[56], const uint8_t private_key[56],

         const uint8_t peer_public_value[56])

{

  return decaf_x448(out_shared_key, peer_public_value, private_key)

         == DECAF_SUCCESS;

}



void X448_public_from_private(uint8_t out_public_value[56],

                              const uint8_t private_key[56])

{

    decaf_x448_derive_public_key(out_public_value, private_key);

}