summaryrefslogtreecommitdiffstats
path: root/rbutil/ipodpatcher/arc4.c
diff options
context:
space:
mode:
authorDominik Riebeling <Dominik.Riebeling@gmail.com>2021-12-15 21:04:28 +0100
committerDominik Riebeling <Dominik.Riebeling@gmail.com>2021-12-24 18:05:53 +0100
commitc876d3bbefe0dc00c27ca0c12d29da5874946962 (patch)
tree69f468a185a369b01998314bc3ecc19b70f4fcaa /rbutil/ipodpatcher/arc4.c
parent6c6f0757d7a902feb293be165d1490c42bc8e7ad (diff)
downloadrockbox-c876d3bbefe0dc00c27ca0c12d29da5874946962.tar.gz
rockbox-c876d3bbefe0dc00c27ca0c12d29da5874946962.zip
rbutil: Merge rbutil with utils folder.
rbutil uses several components from the utils folder, and can be considered part of utils too. Having it in a separate folder is an arbitrary split that doesn't help anymore these days, so merge them. This also allows other utils to easily use libtools.make without the need to navigate to a different folder. Change-Id: I3fc2f4de19e3e776553efb5dea5f779dfec0dc21
Diffstat (limited to 'rbutil/ipodpatcher/arc4.c')
-rw-r--r--rbutil/ipodpatcher/arc4.c108
1 files changed, 0 insertions, 108 deletions
diff --git a/rbutil/ipodpatcher/arc4.c b/rbutil/ipodpatcher/arc4.c
deleted file mode 100644
index 75b1862b89..0000000000
--- a/rbutil/ipodpatcher/arc4.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * arc4.c
- * Release $Name: MATRIXSSL_1_8_3_OPEN $
- *
- * ARC4 stream cipher implementation
- */
-/*
- * Copyright (c) PeerSec Networks, 2002-2007. All Rights Reserved.
- * The latest version of this code is available at http://www.matrixssl.org
- *
- * This software is open source; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This General Public License does NOT permit incorporating this software
- * into proprietary programs. If you are unable to comply with the GPL, a
- * commercial license for this software may be purchased from PeerSec Networks
- * at http://www.peersec.com
- *
- * This program is distributed in WITHOUT ANY WARRANTY; without even the
- * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- * http://www.gnu.org/copyleft/gpl.html
- */
-/******************************************************************************/
-
-#include "arc4.h"
-
-/*
- Some accounts, such as O'Reilly's Secure Programming Cookbook say that no
- more than 2^30 bytes should be processed without rekeying, so we
- enforce that limit here. FYI, this is equal to 1GB of data transferred.
-*/
-#define ARC4_MAX_BYTES 0x40000000
-
-/******************************************************************************/
-/*
- SSL_RSA_WITH_RC4_* cipher callbacks
- */
-void matrixArc4Init(struct rc4_key_t *ctx, unsigned char *key, int32_t keylen)
-{
- unsigned char index1, index2, tmp, *state;
- int16_t counter;
-
- ctx->byteCount = 0;
- state = &ctx->state[0];
-
- for (counter = 0; counter < 256; counter++) {
- state[counter] = (unsigned char)counter;
- }
- ctx->x = 0;
- ctx->y = 0;
- index1 = 0;
- index2 = 0;
-
- for (counter = 0; counter < 256; counter++) {
- index2 = (key[index1] + state[counter] + index2) & 0xff;
-
- tmp = state[counter];
- state[counter] = state[index2];
- state[index2] = tmp;
-
- index1 = (index1 + 1) % keylen;
- }
-}
-
-int32_t matrixArc4(struct rc4_key_t *ctx, unsigned char *in,
- unsigned char *out, int32_t len)
-{
- unsigned char x, y, *state, xorIndex, tmp;
- int counter; /* NOTE BY DAVE CHAPMAN: This was a short in
- the original code, which caused a segfault
- when attempting to process data > 32767
- bytes. */
-
- ctx->byteCount += len;
- if (ctx->byteCount > ARC4_MAX_BYTES) {
- return -1;
- }
-
- x = ctx->x;
- y = ctx->y;
- state = &ctx->state[0];
- for (counter = 0; counter < len; counter++) {
- x = (x + 1) & 0xff;
- y = (state[x] + y) & 0xff;
-
- tmp = state[x];
- state[x] = state[y];
- state[y] = tmp;
-
- xorIndex = (state[x] + state[y]) & 0xff;
-
- tmp = in[counter];
- tmp ^= state[xorIndex];
- out[counter] = tmp;
- }
- ctx->x = x;
- ctx->y = y;
- return len;
-}
-
-/*****************************************************************************/