1/*
2 * Copyright 2019 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/* Dispatch functions for Blowfish cipher modes ecb, cbc, ofb, cfb */
11
12#include "cipher_blowfish.h"
13#include "prov/implementations.h"
14
15#define BF_FLAGS (EVP_CIPH_VARIABLE_LENGTH)
16
17static OSSL_OP_cipher_freectx_fn blowfish_freectx;
18static OSSL_OP_cipher_dupctx_fn blowfish_dupctx;
19
20static void blowfish_freectx(void *vctx)
21{
22 PROV_BLOWFISH_CTX *ctx = (PROV_BLOWFISH_CTX *)vctx;
23
24 OPENSSL_clear_free(ctx, sizeof(*ctx));
25}
26
27static void *blowfish_dupctx(void *ctx)
28{
29 PROV_BLOWFISH_CTX *in = (PROV_BLOWFISH_CTX *)ctx;
30 PROV_BLOWFISH_CTX *ret = OPENSSL_malloc(sizeof(*ret));
31
32 if (ret == NULL) {
33 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
34 return NULL;
35 }
36 *ret = *in;
37
38 return ret;
39}
40
41/* bf_ecb_functions */
42IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ecb, ECB, BF_FLAGS, 128, 64, 0, block)
43/* bf_cbc_functions */
44IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cbc, CBC, BF_FLAGS, 128, 64, 64, block)
45/* bf_ofb_functions */
46IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ofb64, OFB, BF_FLAGS, 64, 8, 64, stream)
47/* bf_cfb_functions */
48IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cfb64, CFB, BF_FLAGS, 64, 8, 64, stream)
49