1 files changed, 3 insertions, 15 deletions

diff --git a/src/lib/libcrypto/seed/seed_ofb.c b/src/lib/libcrypto/seed/seed_ofb.c
index e2f3f57a38..3c8ba33bb9 100644
--- a/src/lib/libcrypto/seed/seed_ofb.c
+++ b/src/lib/libcrypto/seed/seed_ofb.c
@@ -105,24 +105,12 @@
  * [including the GNU Public Licence.]
  */
 
-#include "seed_locl.h"
-#include <string.h>
+#include <openssl/seed.h>
+#include <openssl/modes.h>
 
 void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out,
                          size_t len, const SEED_KEY_SCHEDULE *ks,
                          unsigned char ivec[SEED_BLOCK_SIZE], int *num)
         {
-        int n;
-
-        n = *num;
-        
-        while (len--)
-                {
-                if (n == 0)
-                        SEED_encrypt(ivec, ivec, ks);
-                *(out++) = *(in++) ^ ivec[n];
-                n = (n+1) % SEED_BLOCK_SIZE;
-                }
-
-        *num = n;
+        CRYPTO_ofb128_encrypt(in,out,len,ks,ivec,num,(block128_f)SEED_encrypt);
         }