Merge tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6

[linux-2.6-microblaze.git] / fs / cifs_common / cifs_arc4.c

diff --git a/fs/cifs_common/cifs_arc4.c b/fs/cifs_common/cifs_arc4.c
deleted file mode 100644 (file)
index b964cc6..0000000
--- a/fs/cifs_common/cifs_arc4.c
+++ /dev/null
@@ -1,87 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Cryptographic API
- *
- * ARC4 Cipher Algorithm
- *
- * Jon Oberheide <jon@oberheide.org>
- */
-
-#include <linux/module.h>
-#include "arc4.h"
-
-MODULE_LICENSE("GPL");
-
-int cifs_arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len)
-{
-       int i, j = 0, k = 0;
-
-       ctx->x = 1;
-       ctx->y = 0;
-
-       for (i = 0; i < 256; i++)
-               ctx->S[i] = i;
-
-       for (i = 0; i < 256; i++) {
-               u32 a = ctx->S[i];
-
-               j = (j + in_key[k] + a) & 0xff;
-               ctx->S[i] = ctx->S[j];
-               ctx->S[j] = a;
-               if (++k >= key_len)
-                       k = 0;
-       }
-
-       return 0;
-}
-EXPORT_SYMBOL_GPL(cifs_arc4_setkey);
-
-void cifs_arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len)
-{
-       u32 *const S = ctx->S;
-       u32 x, y, a, b;
-       u32 ty, ta, tb;
-
-       if (len == 0)
-               return;
-
-       x = ctx->x;
-       y = ctx->y;
-
-       a = S[x];
-       y = (y + a) & 0xff;
-       b = S[y];
-
-       do {
-               S[y] = a;
-               a = (a + b) & 0xff;
-               S[x] = b;
-               x = (x + 1) & 0xff;
-               ta = S[x];
-               ty = (y + ta) & 0xff;
-               tb = S[ty];
-               *out++ = *in++ ^ S[a];
-               if (--len == 0)
-                       break;
-               y = ty;
-               a = ta;
-               b = tb;
-       } while (true);
-
-       ctx->x = x;
-       ctx->y = y;
-}
-EXPORT_SYMBOL_GPL(cifs_arc4_crypt);
-
-static int __init
-init_cifs_common(void)
-{
-       return 0;
-}
-static void __init
-exit_cifs_common(void)
-{
-}
-
-module_init(init_cifs_common)
-module_exit(exit_cifs_common)