2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
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
11 * CAST low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 /* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
18 #include "cipher_cast.h"
19 #include "prov/implementations.h"
20 #include "prov/providercommon.h"
21 #include "prov/providercommonerr.h"
23 #define CAST5_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
25 static OSSL_FUNC_cipher_freectx_fn cast5_freectx
;
26 static OSSL_FUNC_cipher_dupctx_fn cast5_dupctx
;
28 static void cast5_freectx(void *vctx
)
30 PROV_CAST_CTX
*ctx
= (PROV_CAST_CTX
*)vctx
;
32 ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX
*)vctx
);
33 OPENSSL_clear_free(ctx
, sizeof(*ctx
));
36 static void *cast5_dupctx(void *ctx
)
38 PROV_CAST_CTX
*in
= (PROV_CAST_CTX
*)ctx
;
41 if (!ossl_prov_is_running())
44 ret
= OPENSSL_malloc(sizeof(*ret
));
46 ERR_raise(ERR_LIB_PROV
, ERR_R_MALLOC_FAILURE
);
54 /* ossl_cast5128ecb_functions */
55 IMPLEMENT_var_keylen_cipher(cast5
, CAST
, ecb
, ECB
, CAST5_FLAGS
, 128, 64, 0, block
)
56 /* ossl_cast5128cbc_functions */
57 IMPLEMENT_var_keylen_cipher(cast5
, CAST
, cbc
, CBC
, CAST5_FLAGS
, 128, 64, 64, block
)
58 /* ossl_cast5128ofb64_functions */
59 IMPLEMENT_var_keylen_cipher(cast5
, CAST
, ofb64
, OFB
, CAST5_FLAGS
, 128, 8, 64, stream
)
60 /* ossl_cast5128cfb64_functions */
61 IMPLEMENT_var_keylen_cipher(cast5
, CAST
, cfb64
, CFB
, CAST5_FLAGS
, 128, 8, 64, stream
)