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[src/trunk]: src/sys Nuke crypto/arc4. Has not been used since 2003. Will n...
details: https://anonhg.NetBSD.org/src/rev/159f4dfb99bc
branches: trunk
changeset: 465826:159f4dfb99bc
user: riastradh <riastradh%NetBSD.org@localhost>
date: Thu Dec 05 03:22:02 2019 +0000
description:
Nuke crypto/arc4. Has not been used since 2003. Will not be missed.
diffstat:
sys/conf/files | 3 +-
sys/crypto/arc4/arc4.c | 120 ---------------------------------------------
sys/crypto/arc4/arc4.h | 49 ------------------
sys/crypto/arc4/files.arc4 | 5 -
4 files changed, 1 insertions(+), 176 deletions(-)
diffs (203 lines):
diff -r 88a3eddf716b -r 159f4dfb99bc sys/conf/files
--- a/sys/conf/files Thu Dec 05 03:21:42 2019 +0000
+++ b/sys/conf/files Thu Dec 05 03:22:02 2019 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files,v 1.1244 2019/11/14 16:23:52 maxv Exp $
+# $NetBSD: files,v 1.1245 2019/12/05 03:22:02 riastradh Exp $
# @(#)files.newconf 7.5 (Berkeley) 5/10/93
version 20171118
@@ -191,7 +191,6 @@
# use it.
# Individual crypto transforms
-include "crypto/arc4/files.arc4"
include "crypto/des/files.des"
include "crypto/blowfish/files.blowfish"
include "crypto/cast128/files.cast128"
diff -r 88a3eddf716b -r 159f4dfb99bc sys/crypto/arc4/arc4.c
--- a/sys/crypto/arc4/arc4.c Thu Dec 05 03:21:42 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,120 +0,0 @@
-/* $NetBSD: arc4.c,v 1.7 2014/08/10 16:44:35 tls Exp $ */
-
-/*
- * ARC4 implementation
- * A Stream Cipher Encryption Algorithm "Arcfour"
- * <draft-kaukonen-cipher-arcfour-03.txt>
- */
-
-/* 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 <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: arc4.c,v 1.7 2014/08/10 16:44:35 tls Exp $");
-
-#include <sys/types.h>
-
-#include <crypto/arc4/arc4.h>
-
-int
-arc4_ctxlen(void)
-{
- return sizeof(struct arc4_ctx);
-}
-
-void
-arc4_setkey(void *ctxp, const u_char *key, u_int keylen)
-{
- struct arc4_ctx *ctx = ctxp;
- unsigned int i, t, u, ki, si;
- unsigned int *state;
-
- state = ctx->state;
- ctx->x = 0;
- ctx->y = 0;
- for (i = 0; i < 256; i++)
- state[i] = i;
- ki = si = 0;
- for (i = 0; i < 256; i++) {
- t = state[i];
- si = (si + key[ki] + t) & 0xff;
- u = state[si];
- state[si] = t;
- state[i] = u;
- if (++ki >= keylen)
- ki = 0;
- }
-}
-
-void
-arc4_encrypt(void *ctxp, u_char *dst, const u_char *src, int len)
-{
- struct arc4_ctx *ctx = ctxp;
- unsigned int x, y, sx, sy;
- unsigned int *state;
- const unsigned char *endsrc;
-
- state = ctx->state;
- x = ctx->x;
- y = ctx->y;
- for (endsrc = src + len; src != endsrc; src++, dst++) {
- x = (x + 1) & 0xff;
- sx = state[x];
- y = (sx + y) & 0xff;
- state[x] = sy = state[y];
- state[y] = sx;
- *dst = *src ^ state[(sx + sy) & 0xff];
- }
- ctx->x = x;
- ctx->y = y;
-}
-
-void
-arc4_stream(void *ctxp, u_char *dst, int len)
-{
- struct arc4_ctx *ctx = ctxp;
- unsigned int x, y, sx, sy;
- unsigned int *state;
- const unsigned char *enddst;
-
- state = ctx->state;
- x = ctx->x;
- y = ctx->y;
-
- for (enddst = dst + len; dst != enddst; dst++) {
- x = (x + 1) & 0xff;
- sx = state[x];
- y = (sx + y) & 0xff;
- state[x] = sy = state[y];
- state[y]= sx;
- *dst = state[(sx + sy) & 0xff];
- }
- ctx->x = x;
- ctx->y = y;
-}
-
-void
-arc4_decrypt(void *ctxp, u_char *dst, const u_char *src, int len)
-{
- arc4_encrypt(ctxp, dst, src, len);
-}
diff -r 88a3eddf716b -r 159f4dfb99bc sys/crypto/arc4/arc4.h
--- a/sys/crypto/arc4/arc4.h Thu Dec 05 03:21:42 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-/* $NetBSD: arc4.h,v 1.5 2014/08/10 16:44:35 tls Exp $ */
-
-/*
- * ARC4 implementation
- * A Stream Cipher Encryption Algorithm "Arcfour"
- * <draft-kaukonen-cipher-arcfour-03.txt>
- */
-
-/* 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.
- */
-
-#ifndef _CRYPTO_ARC4_H_
-#define _CRYPTO_ARC4_H_
-
-typedef struct arc4_ctx {
- unsigned int x;
- unsigned int y;
- unsigned int state[256];
- /* was unsigned char, changed to int for performance -- onoe */
-} arc4_ctx_t;
-
-int arc4_ctxlen(void);
-void arc4_setkey(void *, const u_char *, unsigned int);
-void arc4_encrypt(void *, u_char *, const u_char *, int);
-void arc4_decrypt(void *, u_char *, const u_char *, int);
-
-void arc4_stream(void *, u_char *, int);
-
-#endif /* _CRYPTO_ARC4_H_ */
diff -r 88a3eddf716b -r 159f4dfb99bc sys/crypto/arc4/files.arc4
--- a/sys/crypto/arc4/files.arc4 Thu Dec 05 03:21:42 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,5 +0,0 @@
-# $NetBSD: files.arc4,v 1.2 2014/08/10 16:44:35 tls Exp $
-
-define arc4
-
-file crypto/arc4/arc4.c
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