crypto/bf/bf_ecb.c

   1 /*
   2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 <openssl/blowfish.h>
  11 #include "bf_locl.h"
  12 #include <openssl/opensslv.h>
  13
  14 /*
  15  * Blowfish as implemented from 'Blowfish: Springer-Verlag paper' (From
  16  * LECTURE NOTES IN COMPUTER SCIENCE 809, FAST SOFTWARE ENCRYPTION, CAMBRIDGE
  17  * SECURITY WORKSHOP, CAMBRIDGE, U.K., DECEMBER 9-11, 1993)
  18  */
  19
  20 const char *BF_options(void)
  21 {
  22     return "blowfish(ptr)";
  23 }
  24
  25 void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
  26                     const BF_KEY *key, int encrypt)
  27 {
  28     BF_LONG l, d[2];
  29
  30     n2l(in, l);
  31     d[0] = l;
  32     n2l(in, l);
  33     d[1] = l;
  34     if (encrypt)
  35         BF_encrypt(d, key);
  36     else
  37         BF_decrypt(d, key);
  38     l = d[0];
  39     l2n(l, out);
  40     l = d[1];
  41     l2n(l, out);
  42     l = d[0] = d[1] = 0;
  43 }