Rework LuCI build system

[project/luci.git] / libs / nixio / axTLS / crypto / rc4.c

diff --git a/libs/nixio/axTLS/crypto/rc4.c b/libs/nixio/axTLS/crypto/rc4.c
deleted file mode 100644 (file)
index 57136b8..0000000
--- a/libs/nixio/axTLS/crypto/rc4.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (c) 2007, Cameron Rich
- * 
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice, 
- *   this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice, 
- *   this list of conditions and the following disclaimer in the documentation 
- *   and/or other materials provided with the distribution.
- * * Neither the name of the axTLS project nor the names of its contributors 
- *   may be used to endorse or promote products derived from this software 
- *   without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT OWNER 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.
- */
-
-/**
- * An implementation of the RC4/ARC4 algorithm.
- * Originally written by Christophe Devine.
- */
-
-#include <string.h>
-#include "crypto.h"
-
-/**
- * Get ready for an encrypt/decrypt operation
- */
-void RC4_setup(RC4_CTX *ctx, const uint8_t *key, int length)
-{
-    int i, j = 0, k = 0, a;
-    uint8_t *m;
-
-    ctx->x = 0;
-    ctx->y = 0;
-    m = ctx->m;
-
-    for (i = 0; i < 256; i++)
-        m[i] = i;
-
-    for (i = 0; i < 256; i++)
-    {
-        a = m[i];
-        j = (uint8_t)(j + a + key[k]);
-        m[i] = m[j]; 
-        m[j] = a;
-
-        if (++k >= length) 
-            k = 0;
-    }
-}
-
-/**
- * Perform the encrypt/decrypt operation (can use it for either since
- * this is a stream cipher).
- */
-void RC4_crypt(RC4_CTX *ctx, const uint8_t *msg, uint8_t *out, int length)
-{ 
-    int i;
-    uint8_t *m, x, y, a, b;
-    out = (uint8_t *)msg; 
-
-    x = ctx->x;
-    y = ctx->y;
-    m = ctx->m;
-
-    for (i = 0; i < length; i++)
-    {
-        a = m[++x];
-        y += a;
-        m[x] = b = m[y];
-        m[y] = a;
-        out[i] ^= m[(uint8_t)(a + b)];
-    }
-
-    ctx->x = x;
-    ctx->y = y;
-}