1 /* ===================================================================
2 *
3 * Copyright (c) 2014, Legrandin <helderijs@gmail.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 * ===================================================================
30 */
31
32 #include "common.h"
33
34 FAKE_INIT(raw_ecb)
35
36 #include "block_base.h"
37
38 typedef BlockBase EcbModeState;
39
ECB_start_operation(BlockBase * cipher,EcbModeState ** pResult)40 EXPORT_SYM int ECB_start_operation(BlockBase *cipher,
41 EcbModeState **pResult)
42 {
43 if ((NULL == cipher) || (NULL == pResult)) {
44 return ERR_NULL;
45 }
46
47 *pResult = (EcbModeState*)cipher;
48 return 0;
49 }
50
ECB_encrypt(EcbModeState * ecbState,const uint8_t * in,uint8_t * out,size_t data_len)51 EXPORT_SYM int ECB_encrypt(EcbModeState *ecbState,
52 const uint8_t *in,
53 uint8_t *out,
54 size_t data_len)
55 {
56 if ((NULL == ecbState) || (NULL == in) || (NULL == out))
57 return ERR_NULL;
58
59 return ecbState->encrypt((BlockBase*)ecbState, in, out, data_len);
60 }
61
ECB_decrypt(EcbModeState * ecbState,const uint8_t * in,uint8_t * out,size_t data_len)62 EXPORT_SYM int ECB_decrypt(EcbModeState *ecbState,
63 const uint8_t *in,
64 uint8_t *out,
65 size_t data_len)
66 {
67 if ((NULL == ecbState) || (NULL == in) || (NULL == out))
68 return ERR_NULL;
69
70 return ecbState->decrypt((BlockBase*)ecbState, in, out, data_len);
71 }
72
73
ECB_stop_operation(EcbModeState * state)74 EXPORT_SYM int ECB_stop_operation(EcbModeState *state)
75 {
76 if (NULL == state)
77 return ERR_NULL;
78 state->destructor((BlockBase*)state);
79 return 0;
80 }
81