crypto/des: remove unreferenced rcp_enc.c module.

Reviewed-by: NRichard Levitte <levitte@openssl.org>
Reviewed-by: NStephen Henson <steve@openssl.org>

crypto/des/build.info

@@ -5,7 +5,7 @@ SOURCE[../../libcrypto]=\
         ofb64ede.c ofb64enc.c ofb_enc.c \
         str2key.c  pcbc_enc.c qud_cksm.c rand_key.c \
         {- $target{des_asm_src} -} \
-        fcrypt.c xcbc_enc.c rpc_enc.c  cbc_cksm.c
+        fcrypt.c xcbc_enc.c cbc_cksm.c
 
 GENERATE[des_enc-sparc.S]=asm/des_enc.m4
 GENERATE[dest4-sparcv9.S]=asm/dest4-sparcv9.pl $(PERLASM_SCHEME)

crypto/des/rpc_des.h

-/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the OpenSSL license (the "License").  You may not use
- * this file except in compliance with the License.  You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-/*  @(#)des.h   2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
-/*-
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part.  Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California  94043
- */
-/*
- * Generic DES driver interface
- * Keep this file hardware independent!
- * Copyright (c) 1986 by Sun Microsystems, Inc.
- */
-
-#define DES_MAXLEN      65536   /* maximum # of bytes to encrypt */
-#define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
-
-enum desdir { ENCRYPT, DECRYPT };
-enum desmode { CBC, ECB };
-
-/*
- * parameters to ioctl call
- */
-struct desparams {
-    unsigned char des_key[8];   /* key (with low bit parity) */
-    enum desdir des_dir;        /* direction */
-    enum desmode des_mode;      /* mode */
-    unsigned char des_ivec[8];  /* input vector */
-    unsigned des_len;           /* number of bytes to crypt */
-    union {
-        unsigned char UDES_data[DES_QUICKLEN];
-        unsigned char *UDES_buf;
-    } UDES;
-#define des_data UDES.UDES_data /* direct data here if quick */
-#define des_buf  UDES.UDES_buf  /* otherwise, pointer to data */
-};
-
-/*
- * Encrypt an arbitrary sized buffer
- */
-#define DESIOCBLOCK     _IOWR('d', 6, struct desparams)
-
-/*
- * Encrypt of small amount of data, quickly
- */
-#define DESIOCQUICK     _IOWR('d', 7, struct desparams)

crypto/des/rpc_enc.c

-/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the OpenSSL license (the "License").  You may not use
- * this file except in compliance with the License.  You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#include "rpc_des.h"
-#include "des_locl.h"
-
-int _des_crypt(char *buf, int len, struct desparams *desp);
-int _des_crypt(char *buf, int len, struct desparams *desp)
-{
-    DES_key_schedule ks;
-    int enc;
-
-    DES_set_key_unchecked(&desp->des_key, &ks);
-    enc = (desp->des_dir == ENCRYPT) ? DES_ENCRYPT : DES_DECRYPT;
-
-    if (desp->des_mode == CBC)
-        DES_ecb_encrypt((const_DES_cblock *)desp->UDES.UDES_buf,
-                        (DES_cblock *)desp->UDES.UDES_buf, &ks, enc);
-    else {
-        DES_ncbc_encrypt(desp->UDES.UDES_buf, desp->UDES.UDES_buf,
-                         len, &ks, &desp->des_ivec, enc);
-    }
-    return (1);
-}