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18b00427 SL |
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 cast cipher modes ecb, cbc, ofb, cfb */ | |
11 | ||
12 | #include "cipher_cast.h" | |
13 | #include "internal/provider_algs.h" | |
14 | ||
15 | static OSSL_OP_cipher_freectx_fn cast5_freectx; | |
16 | static OSSL_OP_cipher_dupctx_fn cast5_dupctx; | |
17 | ||
18 | static void cast5_freectx(void *vctx) | |
19 | { | |
20 | PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx; | |
21 | ||
22 | OPENSSL_clear_free(ctx, sizeof(*ctx)); | |
23 | } | |
24 | ||
25 | static void *cast5_dupctx(void *ctx) | |
26 | { | |
27 | PROV_CAST_CTX *in = (PROV_CAST_CTX *)ctx; | |
28 | PROV_CAST_CTX *ret = OPENSSL_malloc(sizeof(*ret)); | |
29 | ||
30 | if (ret == NULL) { | |
31 | ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); | |
32 | return NULL; | |
33 | } | |
34 | *ret = *in; | |
35 | ||
36 | return ret; | |
37 | } | |
38 | ||
39 | /* cast5128ecb_functions */ | |
40 | IMPLEMENT_generic_cipher(cast5, CAST, ecb, ECB, EVP_CIPH_VARIABLE_LENGTH, 128, 64, 0, block) | |
41 | /* cast5128cbc_functions */ | |
42 | IMPLEMENT_generic_cipher(cast5, CAST, cbc, CBC, EVP_CIPH_VARIABLE_LENGTH, 128, 64, 64, block) | |
43 | /* cast564ofb64_functions */ | |
44 | IMPLEMENT_generic_cipher(cast5, CAST, ofb64, OFB, EVP_CIPH_VARIABLE_LENGTH, 64, 8, 64, stream) | |
45 | /* cast564cfb64_functions */ | |
46 | IMPLEMENT_generic_cipher(cast5, CAST, cfb64, CFB, EVP_CIPH_VARIABLE_LENGTH, 64, 8, 64, stream) |