Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/des/fcrypt_b.c

-/* crypto/des/fcrypt_b.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-
-/* This version of crypt has been developed from my MIT compatible
- * DES library.
- * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au
- * Eric Young (eay@cryptsoft.com)
- */
-
-#define DES_FCRYPT
-#include "des_locl.h"
-#undef DES_FCRYPT
-
-#undef PERM_OP
-#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\
-        (b)^=(t),\
-        (a)^=((t)<<(n)))
-
-#undef HPERM_OP
-#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\
-        (a)=(a)^(t)^(t>>(16-(n))))\
-
-void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
-                 DES_LONG Eswap1)
-        {
-        register DES_LONG l,r,t,u;
-#ifdef DES_PTR
-        register const unsigned char *des_SP=(const unsigned char *)DES_SPtrans;
-#endif
-        register DES_LONG *s;
-        register int j;
-        register DES_LONG E0,E1;
-
-        l=0;
-        r=0;
-
-        s=(DES_LONG *)ks;
-        E0=Eswap0;
-        E1=Eswap1;
-
-        for (j=0; j<25; j++)
-                {
-#ifndef DES_UNROLL
-                register int i;
-
-                for (i=0; i<32; i+=4)
-                        {
-                        D_ENCRYPT(l,r,i+0); /*  1 */
-                        D_ENCRYPT(r,l,i+2); /*  2 */
-                        }
-#else
-                D_ENCRYPT(l,r, 0); /*  1 */
-                D_ENCRYPT(r,l, 2); /*  2 */
-                D_ENCRYPT(l,r, 4); /*  3 */
-                D_ENCRYPT(r,l, 6); /*  4 */
-                D_ENCRYPT(l,r, 8); /*  5 */
-                D_ENCRYPT(r,l,10); /*  6 */
-                D_ENCRYPT(l,r,12); /*  7 */
-                D_ENCRYPT(r,l,14); /*  8 */
-                D_ENCRYPT(l,r,16); /*  9 */
-                D_ENCRYPT(r,l,18); /*  10 */
-                D_ENCRYPT(l,r,20); /*  11 */
-                D_ENCRYPT(r,l,22); /*  12 */
-                D_ENCRYPT(l,r,24); /*  13 */
-                D_ENCRYPT(r,l,26); /*  14 */
-                D_ENCRYPT(l,r,28); /*  15 */
-                D_ENCRYPT(r,l,30); /*  16 */
-#endif
-
-                t=l;
-                l=r;
-                r=t;
-                }
-        l=ROTATE(l,3)&0xffffffffL;
-        r=ROTATE(r,3)&0xffffffffL;
-
-        PERM_OP(l,r,t, 1,0x55555555L);
-        PERM_OP(r,l,t, 8,0x00ff00ffL);
-        PERM_OP(l,r,t, 2,0x33333333L);
-        PERM_OP(r,l,t,16,0x0000ffffL);
-        PERM_OP(l,r,t, 4,0x0f0f0f0fL);
-
-        out[0]=r;
-        out[1]=l;
-        }
-