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
10 /* Dispatch functions for Blowfish cipher modes ecb, cbc, ofb, cfb */
13 * BF low level APIs are deprecated for public use, but still ok for internal
16 #include "internal/deprecated.h"
18 #include "cipher_blowfish.h"
19 #include "prov/implementations.h"
21 #define BF_FLAGS (EVP_CIPH_VARIABLE_LENGTH)
23 static OSSL_FUNC_cipher_freectx_fn blowfish_freectx;
24 static OSSL_FUNC_cipher_dupctx_fn blowfish_dupctx;
26 static void blowfish_freectx(void *vctx)
28 PROV_BLOWFISH_CTX *ctx = (PROV_BLOWFISH_CTX *)vctx;
30 cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
31 OPENSSL_clear_free(ctx, sizeof(*ctx));
34 static void *blowfish_dupctx(void *ctx)
36 PROV_BLOWFISH_CTX *in = (PROV_BLOWFISH_CTX *)ctx;
37 PROV_BLOWFISH_CTX *ret = OPENSSL_malloc(sizeof(*ret));
40 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
48 /* bf_ecb_functions */
49 IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ecb, ECB, BF_FLAGS, 128, 64, 0, block)
50 /* bf_cbc_functions */
51 IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cbc, CBC, BF_FLAGS, 128, 64, 64, block)
52 /* bf_ofb_functions */
53 IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ofb64, OFB, BF_FLAGS, 64, 8, 64, stream)
54 /* bf_cfb_functions */
55 IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cfb64, CFB, BF_FLAGS, 64, 8, 64, stream)