xref: /openssl/crypto/bf/bf_ecb.c (revision 33388b44)
1 /*
2  * Copyright 1995-2020 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 /*
11  * BF low level APIs are deprecated for public use, but still ok for internal
12  * use.
13  */
14 #include "internal/deprecated.h"
15 
16 #include <openssl/blowfish.h>
17 #include "bf_local.h"
18 #include <openssl/opensslv.h>
19 
20 /*
21  * Blowfish as implemented from 'Blowfish: Springer-Verlag paper' (From
22  * LECTURE NOTES IN COMPUTER SCIENCE 809, FAST SOFTWARE ENCRYPTION, CAMBRIDGE
23  * SECURITY WORKSHOP, CAMBRIDGE, U.K., DECEMBER 9-11, 1993)
24  */
25 
BF_options(void)26 const char *BF_options(void)
27 {
28     return "blowfish(ptr)";
29 }
30 
BF_ecb_encrypt(const unsigned char * in,unsigned char * out,const BF_KEY * key,int encrypt)31 void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
32                     const BF_KEY *key, int encrypt)
33 {
34     BF_LONG l, d[2];
35 
36     n2l(in, l);
37     d[0] = l;
38     n2l(in, l);
39     d[1] = l;
40     if (encrypt)
41         BF_encrypt(d, key);
42     else
43         BF_decrypt(d, key);
44     l = d[0];
45     l2n(l, out);
46     l = d[1];
47     l2n(l, out);
48     l = d[0] = d[1] = 0;
49 }
50