crypto/des/rpc_enc.c

   1 /*
   2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "rpc_des.h"
  11 #include "des_locl.h"
  12
  13 int _des_crypt(char *buf, int len, struct desparams *desp);
  14 int _des_crypt(char *buf, int len, struct desparams *desp)
  15 {
  16     DES_key_schedule ks;
  17     int enc;
  18
  19     DES_set_key_unchecked(&desp->des_key, &ks);
  20     enc = (desp->des_dir == ENCRYPT) ? DES_ENCRYPT : DES_DECRYPT;
  21
  22     if (desp->des_mode == CBC)
  23         DES_ecb_encrypt((const_DES_cblock *)desp->UDES.UDES_buf,
  24                         (DES_cblock *)desp->UDES.UDES_buf, &ks, enc);
  25     else {
  26         DES_ncbc_encrypt(desp->UDES.UDES_buf, desp->UDES.UDES_buf,
  27                          len, &ks, &desp->des_ivec, enc);
  28     }
  29     return (1);
  30 }