1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* Dispatch functions for Blowfish cipher modes ecb, cbc, ofb, cfb */
/*
* BF low level APIs are deprecated for public use, but still ok for internal
* use.
*/
#include "internal/deprecated.h"
#include "cipher_blowfish.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"
#define BF_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
static OSSL_FUNC_cipher_freectx_fn blowfish_freectx;
static OSSL_FUNC_cipher_dupctx_fn blowfish_dupctx;
static void blowfish_freectx(void *vctx)
{
PROV_BLOWFISH_CTX *ctx = (PROV_BLOWFISH_CTX *)vctx;
ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
static void *blowfish_dupctx(void *ctx)
{
PROV_BLOWFISH_CTX *in = (PROV_BLOWFISH_CTX *)ctx;
PROV_BLOWFISH_CTX *ret;
if (!ossl_prov_is_running())
return NULL;
ret = OPENSSL_malloc(sizeof(*ret));
if (ret == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
return NULL;
}
*ret = *in;
return ret;
}
/* bf_ecb_functions */
IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ecb, ECB, BF_FLAGS, 128, 64, 0, block)
/* bf_cbc_functions */
IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cbc, CBC, BF_FLAGS, 128, 64, 64, block)
/* bf_ofb_functions */
IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ofb64, OFB, BF_FLAGS, 64, 8, 64, stream)
/* bf_cfb_functions */
IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cfb64, CFB, BF_FLAGS, 64, 8, 64, stream)
|