1 files changed, 0 insertions, 98 deletions
diff --git a/fitz/crypt_arc4.c b/fitz/crypt_arc4.c
deleted file mode 100644
index 9c54fbae..00000000
--- a/fitz/crypt_arc4.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* This code illustrates a sample implementation
- * of the Arcfour algorithm
- * Copyright (c) April 29, 1997 Kalle Kaukonen.
- * All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that this copyright
- * notice and disclaimer are retained.
- *
- * THIS SOFTWARE IS PROVIDED BY KALLE KAUKONEN AND CONTRIBUTORS ``AS
- * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KALLE
- * KAUKONEN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT 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.
- */
-
-#include "mupdf/fitz.h"
-
-void
-fz_arc4_init(fz_arc4 *arc4, const unsigned char *key, unsigned keylen)
-{
-	unsigned int t, u;
-	unsigned int keyindex;
-	unsigned int stateindex;
-	unsigned char *state;
-	unsigned int counter;
-
-	state = arc4->state;
-
-	arc4->x = 0;
-	arc4->y = 0;
-
-	for (counter = 0; counter < 256; counter++)
-	{
-		state[counter] = counter;
-	}
-
-	keyindex = 0;
-	stateindex = 0;
-
-	for (counter = 0; counter < 256; counter++)
-	{
-		t = state[counter];
-		stateindex = (stateindex + key[keyindex] + t) & 0xff;
-		u = state[stateindex];
-
-		state[stateindex] = t;
-		state[counter] = u;
-
-		if (++keyindex >= keylen)
-		{
-			keyindex = 0;
-		}
-	}
-}
-
-static unsigned char
-fz_arc4_next(fz_arc4 *arc4)
-{
-	unsigned int x;
-	unsigned int y;
-	unsigned int sx, sy;
-	unsigned char *state;
-
-	state = arc4->state;
-
-	x = (arc4->x + 1) & 0xff;
-	sx = state[x];
-	y = (sx + arc4->y) & 0xff;
-	sy = state[y];
-
-	arc4->x = x;
-	arc4->y = y;
-
-	state[y] = sx;
-	state[x] = sy;
-
-	return state[(sx + sy) & 0xff];
-}
-
-void
-fz_arc4_encrypt(fz_arc4 *arc4, unsigned char *dest, const unsigned char *src, unsigned len)
-{
-	unsigned int i;
-	for (i = 0; i < len; i++)
-	{
-		unsigned char x;
-		x = fz_arc4_next(arc4);
-		dest[i] = src[i] ^ x;
-	}
-}