Diff: wolfcrypt/src/arc4.c

Revision:

17:ff9d1e86ad5f

Parent:

16:048e5e270a58

--- a/wolfcrypt/src/arc4.c	Tue Nov 19 14:32:16 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,150 +0,0 @@
-/* arc4.c
- *
- * Copyright (C) 2006-2017 wolfSSL Inc.
- *
- * This file is part of wolfSSL.
- *
- * wolfSSL is free software; 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.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
- */
-
-
-#ifdef HAVE_CONFIG_H
-    #include <config.h>
-#endif
-
-#include <wolfssl/wolfcrypt/settings.h>
-
-#ifndef NO_RC4
-
-#include <wolfssl/wolfcrypt/error-crypt.h>
-#include <wolfssl/wolfcrypt/arc4.h>
-
-
-int wc_Arc4SetKey(Arc4* arc4, const byte* key, word32 length)
-{
-    int ret = 0;
-    word32 i;
-    word32 keyIndex = 0, stateIndex = 0;
-
-    if (arc4 == NULL || key == NULL) {
-        return BAD_FUNC_ARG;
-    }
-
-#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4) && \
-        defined(HAVE_CAVIUM) && !defined(HAVE_CAVIUM_V)
-    if (arc4->asyncDev.marker == WOLFSSL_ASYNC_MARKER_ARC4) {
-        return NitroxArc4SetKey(arc4, key, length);
-    }
-#endif
-
-    arc4->x = 1;
-    arc4->y = 0;
-
-    for (i = 0; i < ARC4_STATE_SIZE; i++)
-        arc4->state[i] = (byte)i;
-
-    for (i = 0; i < ARC4_STATE_SIZE; i++) {
-        word32 a = arc4->state[i];
-        stateIndex += key[keyIndex] + a;
-        stateIndex &= 0xFF;
-        arc4->state[i] = arc4->state[stateIndex];
-        arc4->state[stateIndex] = (byte)a;
-
-        if (++keyIndex >= length)
-            keyIndex = 0;
-    }
-
-    return ret;
-}
-
-
-static WC_INLINE byte MakeByte(word32* x, word32* y, byte* s)
-{
-    word32 a = s[*x], b;
-    *y = (*y+a) & 0xff;
-
-    b = s[*y];
-    s[*x] = (byte)b;
-    s[*y] = (byte)a;
-    *x = (*x+1) & 0xff;
-
-    return s[(a+b) & 0xff];
-}
-
-
-int wc_Arc4Process(Arc4* arc4, byte* out, const byte* in, word32 length)
-{
-    int ret = 0;
-    word32 x;
-    word32 y;
-
-    if (arc4 == NULL || out == NULL || in == NULL) {
-        return BAD_FUNC_ARG;
-    }
-
-#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4) && \
-        defined(HAVE_CAVIUM) && !defined(HAVE_CAVIUM_V)
-    if (arc4->asyncDev.marker == WOLFSSL_ASYNC_MARKER_ARC4) {
-        return NitroxArc4Process(arc4, out, in, length);
-    }
-#endif
-
-    x = arc4->x;
-    y = arc4->y;
-
-    while(length--)
-        *out++ = *in++ ^ MakeByte(&x, &y, arc4->state);
-
-    arc4->x = (byte)x;
-    arc4->y = (byte)y;
-
-    return ret;
-}
-
-/* Initialize Arc4 for use with async device */
-int wc_Arc4Init(Arc4* arc4, void* heap, int devId)
-{
-    int ret = 0;
-
-    if (arc4 == NULL)
-        return BAD_FUNC_ARG;
-
-    arc4->heap = heap;
-
-#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4)
-    ret = wolfAsync_DevCtxInit(&arc4->asyncDev, WOLFSSL_ASYNC_MARKER_ARC4,
-        arc4->heap, devId);
-#else
-    (void)devId;
-#endif /* WOLFSSL_ASYNC_CRYPT */
-
-    return ret;
-}
-
-
-/* Free Arc4 from use with async device */
-void wc_Arc4Free(Arc4* arc4)
-{
-    if (arc4 == NULL)
-        return;
-
-#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4)
-    wolfAsync_DevCtxFree(&arc4->asyncDev, WOLFSSL_ASYNC_MARKER_ARC4);
-#endif /* WOLFSSL_ASYNC_CRYPT */
-}
-
-#endif /* NO_RC4 */
-
-