1*b0d17251Schristos /*
2*b0d17251Schristos * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3*b0d17251Schristos *
4*b0d17251Schristos * Licensed under the Apache License 2.0 (the "License"). You may not use
5*b0d17251Schristos * this file except in compliance with the License. You can obtain a copy
6*b0d17251Schristos * in the file LICENSE in the source distribution or at
7*b0d17251Schristos * https://www.openssl.org/source/license.html
8*b0d17251Schristos */
9*b0d17251Schristos
10*b0d17251Schristos /*
11*b0d17251Schristos * CAST low level APIs are deprecated for public use, but still ok for
12*b0d17251Schristos * internal use.
13*b0d17251Schristos */
14*b0d17251Schristos #include "internal/deprecated.h"
15*b0d17251Schristos
16*b0d17251Schristos /* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
17*b0d17251Schristos
18*b0d17251Schristos #include <openssl/proverr.h>
19*b0d17251Schristos #include "cipher_cast.h"
20*b0d17251Schristos #include "prov/implementations.h"
21*b0d17251Schristos #include "prov/providercommon.h"
22*b0d17251Schristos
23*b0d17251Schristos #define CAST5_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
24*b0d17251Schristos
25*b0d17251Schristos static OSSL_FUNC_cipher_freectx_fn cast5_freectx;
26*b0d17251Schristos static OSSL_FUNC_cipher_dupctx_fn cast5_dupctx;
27*b0d17251Schristos
cast5_freectx(void * vctx)28*b0d17251Schristos static void cast5_freectx(void *vctx)
29*b0d17251Schristos {
30*b0d17251Schristos PROV_CAST_CTX *ctx = (PROV_CAST_CTX *)vctx;
31*b0d17251Schristos
32*b0d17251Schristos ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
33*b0d17251Schristos OPENSSL_clear_free(ctx, sizeof(*ctx));
34*b0d17251Schristos }
35*b0d17251Schristos
cast5_dupctx(void * ctx)36*b0d17251Schristos static void *cast5_dupctx(void *ctx)
37*b0d17251Schristos {
38*b0d17251Schristos PROV_CAST_CTX *in = (PROV_CAST_CTX *)ctx;
39*b0d17251Schristos PROV_CAST_CTX *ret;
40*b0d17251Schristos
41*b0d17251Schristos if (!ossl_prov_is_running())
42*b0d17251Schristos return NULL;
43*b0d17251Schristos
44*b0d17251Schristos ret = OPENSSL_malloc(sizeof(*ret));
45*b0d17251Schristos if (ret == NULL) {
46*b0d17251Schristos ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
47*b0d17251Schristos return NULL;
48*b0d17251Schristos }
49*b0d17251Schristos *ret = *in;
50*b0d17251Schristos
51*b0d17251Schristos return ret;
52*b0d17251Schristos }
53*b0d17251Schristos
54*b0d17251Schristos /* ossl_cast5128ecb_functions */
55*b0d17251Schristos IMPLEMENT_var_keylen_cipher(cast5, CAST, ecb, ECB, CAST5_FLAGS, 128, 64, 0, block)
56*b0d17251Schristos /* ossl_cast5128cbc_functions */
57*b0d17251Schristos IMPLEMENT_var_keylen_cipher(cast5, CAST, cbc, CBC, CAST5_FLAGS, 128, 64, 64, block)
58*b0d17251Schristos /* ossl_cast5128ofb64_functions */
59*b0d17251Schristos IMPLEMENT_var_keylen_cipher(cast5, CAST, ofb64, OFB, CAST5_FLAGS, 128, 8, 64, stream)
60*b0d17251Schristos /* ossl_cast5128cfb64_functions */
61*b0d17251Schristos IMPLEMENT_var_keylen_cipher(cast5, CAST, cfb64, CFB, CAST5_FLAGS, 128, 8, 64, stream)
62