xref: /freebsd/crypto/openssl/crypto/rc5/rc5_ecb.c (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
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  * RC5 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/rc5.h>
17 #include "rc5_local.h"
18 #include <openssl/opensslv.h>
19 
RC5_32_ecb_encrypt(const unsigned char * in,unsigned char * out,RC5_32_KEY * ks,int encrypt)20 void RC5_32_ecb_encrypt(const unsigned char *in, unsigned char *out,
21                         RC5_32_KEY *ks, int encrypt)
22 {
23     unsigned long l, d[2];
24 
25     c2l(in, l);
26     d[0] = l;
27     c2l(in, l);
28     d[1] = l;
29     if (encrypt)
30         RC5_32_encrypt(d, ks);
31     else
32         RC5_32_decrypt(d, ks);
33     l = d[0];
34     l2c(l, out);
35     l = d[1];
36     l2c(l, out);
37     l = d[0] = d[1] = 0;
38 }
39