X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fseed%2Fseed_cfb.c;h=b6a5648b35fd7420645323f30b6ecac99b793d14;hp=07d878a788891190f309991b7a9b1e15b58fadf5;hb=4a0dcd849c5b5d92aff1bcffdc9e4b5a8f7482a7;hpb=96afc1cfd53a0ffcca8544fa751eb9bf17749133

diff --git a/crypto/seed/seed_cfb.c b/crypto/seed/seed_cfb.c
index 07d878a788..b6a5648b35 100644
--- a/crypto/seed/seed_cfb.c
+++ b/crypto/seed/seed_cfb.c
@@ -1,4 +1,4 @@
-/* crypto/seed/seed_cfb.c -*- mode:C; c-file-style: "eay" -*- */
+/* crypto/seed/seed_cfb.c */
 /* ====================================================================
  * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
  *
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -54,21 +54,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -83,10 +83,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -98,47 +98,21 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
 
-#include "seed_locl.h"
-#include <string.h>
+#include <openssl/seed.h>
+#include <openssl/modes.h>
 
 void SEED_cfb128_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 enc)
-	{
-	int n;
-	unsigned char c;
-
-	n = *num;
-
-	if (enc)
-		{
-		while (len--)
-			{
-			if (n == 0)
-				SEED_encrypt(ivec, ivec, ks);
-			ivec[n] = *(out++) = *(in++) ^ ivec[n];
-			n = (n+1) % SEED_BLOCK_SIZE;
-			}
-		}
-	else
-		{
-		while (len--)
-			{
-			if (n == 0)
-				SEED_encrypt(ivec, ivec, ks);
-			c = *(in);
-			*(out++) = *(in++) ^ ivec[n];
-			ivec[n] = c;
-			n = (n+1) % SEED_BLOCK_SIZE;
-			}
-		}
-
-	*num = n;
-	}
+                         unsigned char ivec[SEED_BLOCK_SIZE], int *num,
+                         int enc)
+{
+    CRYPTO_cfb128_encrypt(in, out, len, ks, ivec, num, enc,
+                          (block128_f) SEED_encrypt);
+}