Coverage Report

Created: 2022-08-24 06:30

/src/libressl/crypto/evp/e_camellia.c
Line
Count
Source (jump to first uncovered line)
1
/* $OpenBSD: e_camellia.c,v 1.9 2021/12/12 21:30:13 tb Exp $ */
2
/* ====================================================================
3
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * 1. Redistributions of source code must retain the above copyright
10
 *    notice, this list of conditions and the following disclaimer.
11
 *
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
 * 3. All advertising materials mentioning features or use of this
18
 *    software must display the following acknowledgment:
19
 *    "This product includes software developed by the OpenSSL Project
20
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21
 *
22
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23
 *    endorse or promote products derived from this software without
24
 *    prior written permission. For written permission, please contact
25
 *    openssl-core@openssl.org.
26
 *
27
 * 5. Products derived from this software may not be called "OpenSSL"
28
 *    nor may "OpenSSL" appear in their names without prior written
29
 *    permission of the OpenSSL Project.
30
 *
31
 * 6. Redistributions of any form whatsoever must retain the following
32
 *    acknowledgment:
33
 *    "This product includes software developed by the OpenSSL Project
34
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35
 *
36
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47
 * OF THE POSSIBILITY OF SUCH DAMAGE.
48
 * ====================================================================
49
 *
50
 * This product includes cryptographic software written by Eric Young
51
 * (eay@cryptsoft.com).  This product includes software written by Tim
52
 * Hudson (tjh@cryptsoft.com).
53
 *
54
 */
55
56
#include <string.h>
57
58
#include <openssl/opensslconf.h>
59
60
#ifndef OPENSSL_NO_CAMELLIA
61
#include <openssl/evp.h>
62
#include <openssl/err.h>
63
#include <openssl/camellia.h>
64
65
#include "evp_locl.h"
66
67
static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
68
    const unsigned char *iv, int enc);
69
70
/* Camellia subkey Structure */
71
typedef struct {
72
  CAMELLIA_KEY ks;
73
} EVP_CAMELLIA_KEY;
74
75
/* Attribute operation for Camellia */
76
#define data(ctx) EVP_C_DATA(EVP_CAMELLIA_KEY,ctx)
77
78
IMPLEMENT_BLOCK_CIPHER(camellia_128, ks, Camellia, EVP_CAMELLIA_KEY,
79
    NID_camellia_128, 16, 16, 16, 128,
80
    0, camellia_init_key, NULL,
81
    EVP_CIPHER_set_asn1_iv,
82
    EVP_CIPHER_get_asn1_iv,
83
    NULL)
84
IMPLEMENT_BLOCK_CIPHER(camellia_192, ks, Camellia, EVP_CAMELLIA_KEY,
85
    NID_camellia_192, 16, 24, 16, 128,
86
    0, camellia_init_key, NULL,
87
    EVP_CIPHER_set_asn1_iv,
88
    EVP_CIPHER_get_asn1_iv,
89
    NULL)
90
IMPLEMENT_BLOCK_CIPHER(camellia_256, ks, Camellia, EVP_CAMELLIA_KEY,
91
    NID_camellia_256, 16, 32, 16, 128,
92
    0, camellia_init_key, NULL,
93
    EVP_CIPHER_set_asn1_iv,
94
    EVP_CIPHER_get_asn1_iv,
95
    NULL)
96
97
#define IMPLEMENT_CAMELLIA_CFBR(ksize,cbits)  IMPLEMENT_CFBR(camellia,Camellia,EVP_CAMELLIA_KEY,ks,ksize,cbits,16)
98
99
IMPLEMENT_CAMELLIA_CFBR(128, 1)
100
IMPLEMENT_CAMELLIA_CFBR(192, 1)
101
IMPLEMENT_CAMELLIA_CFBR(256, 1)
102
103
IMPLEMENT_CAMELLIA_CFBR(128, 8)
104
IMPLEMENT_CAMELLIA_CFBR(192, 8)
105
IMPLEMENT_CAMELLIA_CFBR(256, 8)
106
107
108
/* The subkey for Camellia is generated. */
109
static int
110
camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
111
    const unsigned char *iv, int enc)
112
0
{
113
0
  int ret;
114
115
0
  ret = Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data);
116
117
0
  if (ret < 0) {
118
0
    EVPerror(EVP_R_CAMELLIA_KEY_SETUP_FAILED);
119
0
    return 0;
120
0
  }
121
122
0
  return 1;
123
0
}
124
#endif