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authorSteve French <stfrench@microsoft.com>2023-05-21 20:46:30 -0500
committerSteve French <stfrench@microsoft.com>2023-05-24 16:29:21 -0500
commit38c8a9a52082579090e34c033d439ed2cd1a462d (patch)
treeca6c3bf5b2b912f32735c1aa0a045cd21a47a205 /fs/smbfs_common/cifs_arc4.c
parentcb8b02fd6343228966324528adf920bfb8b8e681 (diff)
smb: move client and server files to common directory fs/smb
Move CIFS/SMB3 related client and server files (cifs.ko and ksmbd.ko and helper modules) to new fs/smb subdirectory: fs/cifs --> fs/smb/client fs/ksmbd --> fs/smb/server fs/smbfs_common --> fs/smb/common Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smbfs_common/cifs_arc4.c')
-rw-r--r--fs/smbfs_common/cifs_arc4.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/fs/smbfs_common/cifs_arc4.c b/fs/smbfs_common/cifs_arc4.c
deleted file mode 100644
index 043e4cb839fa..000000000000
--- a/fs/smbfs_common/cifs_arc4.c
+++ /dev/null
@@ -1,74 +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);