Removed files from the HEAD revision, because they are now in another

repository

1 files changed, 0 insertions, 165 deletions

diff --git a/cipher/arcfour.c b/cipher/arcfour.c
deleted file mode 100644
index 61d0d2988..000000000
--- a/cipher/arcfour.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/* arcfour.c  -  The arcfour stream cipher
- *	Copyright (C) 2000 Free Software Foundation, Inc.
- *
- * For a description of the algorithm, see:
- *   Bruce Schneier: Applied Cryptography. John Wiley & Sons, 1996.
- *   ISBN 0-471-11709-9. Pages 397 ff.
- *
- * This file is part of GnuPG.
- *
- * GnuPG 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.
- *
- * GnuPG 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "types.h"
-#include "g10lib.h"
-#include "arcfour.h"
-
-static const char *selftest(void);
-
-
-typedef struct {
-    int idx_i, idx_j;
-    byte sbox[256];
-} ARCFOUR_context;
-
-
-static void
-encrypt_stream( ARCFOUR_context *ctx,
-                byte *outbuf, const byte *inbuf, unsigned int length )
-{
-    int t;  
-    int i = ctx->idx_i;
-    int j = ctx->idx_j;
-    byte *sbox = ctx->sbox;
-
-    while ( length-- ) {
-        i = (i+1) % 256;
-        j = (j + sbox[i]) % 256;
-        t = sbox[i]; sbox[i] = sbox[j]; sbox[j] = t;
-        *outbuf++ = *inbuf++ ^ sbox[(sbox[i] + sbox[j]) % 256];
-    }
-
-    ctx->idx_i = i;
-    ctx->idx_j = j;
-}
-
-
-static int
-arcfour_setkey( ARCFOUR_context *ctx, const byte *key, unsigned int keylen )
-{
-    static int initialized;
-    static const char* selftest_failed;
-    int i, j;
-    byte karr[256];
-
-    if( !initialized ) {
-	initialized = 1;
-	selftest_failed = selftest();
-	if( selftest_failed )
-	    fprintf(stderr,"ARCFOUR selftest failed (%s)\n", selftest_failed );
-    }
-    if( selftest_failed )
-	return GCRYERR_SELFTEST;
-
-    if( keylen < 40 )
-	return GCRYERR_INV_KEYLEN;
-
-    ctx->idx_i = ctx->idx_j = 0;
-    for (i=0; i < 256; i++ )
-        ctx->sbox[i] = i;
-    for (i=0; i < 256; i++ )
-        karr[i] = key[i%keylen];
-    for (i=j=0; i < 256; i++ ) {
-        int t;
-        j = (j + ctx->sbox[i] + karr[i]) % 256;
-        t = ctx->sbox[i];
-        ctx->sbox[i] = ctx->sbox[j];
-        ctx->sbox[j] = t;
-    } 
-    memset( karr, 0, 256 );
-
-    return 0;
-}
-
-
-static const char*
-selftest(void)
-{
-    ARCFOUR_context ctx;
-    byte scratch[16];	   
-    
-    /* Test vector from Cryptlib labeled there:
-     * "from the State/Commerce Department" */
-    static const byte key_1[] =
-        { 0x61, 0x8A, 0x63, 0xD2, 0xFB };
-    static const byte plaintext_1[] =
-        { 0xDC, 0xEE, 0x4C, 0xF9, 0x2C };
-    static const byte ciphertext_1[] =
-        { 0xF1, 0x38, 0x29, 0xC9, 0xDE };
-
-    arcfour_setkey( &ctx, key_1, sizeof(key_1));
-    encrypt_stream( &ctx, scratch, plaintext_1, sizeof(plaintext_1));
-    if (memcmp (scratch, ciphertext_1, sizeof (ciphertext_1)))
-        return "Arcfour encryption test 1 failed.";
-    encrypt_stream(&ctx, scratch, scratch, sizeof(plaintext_1)); /* decrypt */
-    if ( memcmp (scratch, plaintext_1, sizeof (plaintext_1)))
-        return "Arcfour decryption test 1 failed.";
-    return NULL;
-}
-
-
-/****************
- * Return some information about the algorithm.  We need algo here to
- * distinguish different flavors of the algorithm.
- * Returns: A pointer to string describing the algorithm or NULL if
- *	    the ALGO is invalid.
- * NOTE: This is a special get_info function which is different from all
- * others because arcfour is a stream cipher.  We use this hack until
- * we have redesign the interface.
- */
-const char *
-arcfour_get_info( int algo, size_t *keylen, size_t *blocksize,
-		   size_t *contextsize,
-		   int	(**r_setkey)( void *c, byte *key, unsigned keylen ),
-		   void (**r_stencrypt)( void *c, byte *outbuf,
-                                       byte *inbuf, unsigned int nbytes ),
-		   void (**r_stdecrypt)( void *c, byte *outbuf,
-                                       byte *inbuf, unsigned int nbytes )
-		 )
-{
-    *keylen = 128; /* arbitrary value */
-    *blocksize = 1;
-    *contextsize = sizeof(ARCFOUR_context);
-    *(int  (**)(ARCFOUR_context*, byte*, unsigned))r_setkey
-							= arcfour_setkey;
-    *(void (**)(ARCFOUR_context*, byte*, const byte*, unsigned))r_stencrypt
-							= encrypt_stream;
-    *(void (**)(ARCFOUR_context*, byte*, const byte*, unsigned))r_stdecrypt
-							= encrypt_stream;
-
-
-    if( algo == 301 )
-	return "ARCFOUR";
-    return NULL;
-}
-
-
-
-