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55c7dc79 | 1 | /* |
33388b44 | 2 | * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved. |
55c7dc79 SL |
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 | ||
03047e7b MC |
12 | /* |
13 | * BF low level APIs are deprecated for public use, but still ok for internal | |
14 | * use. | |
15 | */ | |
16 | #include "internal/deprecated.h" | |
17 | ||
55c7dc79 | 18 | #include "cipher_blowfish.h" |
af3e7e1b | 19 | #include "prov/implementations.h" |
55c7dc79 | 20 | |
6ef81d38 RL |
21 | #define BF_FLAGS (EVP_CIPH_VARIABLE_LENGTH) |
22 | ||
363b1e5d DMSP |
23 | static OSSL_FUNC_cipher_freectx_fn blowfish_freectx; |
24 | static OSSL_FUNC_cipher_dupctx_fn blowfish_dupctx; | |
55c7dc79 SL |
25 | |
26 | static void blowfish_freectx(void *vctx) | |
27 | { | |
28 | PROV_BLOWFISH_CTX *ctx = (PROV_BLOWFISH_CTX *)vctx; | |
29 | ||
30 | OPENSSL_clear_free(ctx, sizeof(*ctx)); | |
31 | } | |
32 | ||
33 | static void *blowfish_dupctx(void *ctx) | |
34 | { | |
35 | PROV_BLOWFISH_CTX *in = (PROV_BLOWFISH_CTX *)ctx; | |
36 | PROV_BLOWFISH_CTX *ret = OPENSSL_malloc(sizeof(*ret)); | |
37 | ||
38 | if (ret == NULL) { | |
39 | ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); | |
40 | return NULL; | |
41 | } | |
42 | *ret = *in; | |
43 | ||
44 | return ret; | |
45 | } | |
46 | ||
47 | /* bf_ecb_functions */ | |
d23adad1 | 48 | IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ecb, ECB, BF_FLAGS, 128, 64, 0, block) |
55c7dc79 | 49 | /* bf_cbc_functions */ |
d23adad1 | 50 | IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cbc, CBC, BF_FLAGS, 128, 64, 64, block) |
55c7dc79 | 51 | /* bf_ofb_functions */ |
d23adad1 | 52 | IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ofb64, OFB, BF_FLAGS, 64, 8, 64, stream) |
55c7dc79 | 53 | /* bf_cfb_functions */ |
d23adad1 | 54 | IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cfb64, CFB, BF_FLAGS, 64, 8, 64, stream) |