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- /*
- * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- /* Dispatch functions for Blowfish cipher modes ecb, cbc, ofb, cfb */
- /*
- * BF low level APIs are deprecated for public use, but still ok for internal
- * use.
- */
- #include "internal/deprecated.h"
- #include "cipher_blowfish.h"
- #include "prov/implementations.h"
- #include "prov/providercommon.h"
- #define BF_FLAGS PROV_CIPHER_FLAG_VARIABLE_LENGTH
- static OSSL_FUNC_cipher_freectx_fn blowfish_freectx;
- static OSSL_FUNC_cipher_dupctx_fn blowfish_dupctx;
- static void blowfish_freectx(void *vctx)
- {
- PROV_BLOWFISH_CTX *ctx = (PROV_BLOWFISH_CTX *)vctx;
- ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
- OPENSSL_clear_free(ctx, sizeof(*ctx));
- }
- static void *blowfish_dupctx(void *ctx)
- {
- PROV_BLOWFISH_CTX *in = (PROV_BLOWFISH_CTX *)ctx;
- PROV_BLOWFISH_CTX *ret;
- if (!ossl_prov_is_running())
- return NULL;
- ret = OPENSSL_malloc(sizeof(*ret));
- if (ret == NULL)
- return NULL;
- *ret = *in;
- return ret;
- }
- /* bf_ecb_functions */
- IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ecb, ECB, BF_FLAGS, 128, 64, 0, block)
- /* bf_cbc_functions */
- IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cbc, CBC, BF_FLAGS, 128, 64, 64, block)
- /* bf_ofb_functions */
- IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, ofb64, OFB, BF_FLAGS, 128, 8, 64, stream)
- /* bf_cfb_functions */
- IMPLEMENT_var_keylen_cipher(blowfish, BLOWFISH, cfb64, CFB, BF_FLAGS, 128, 8, 64, stream)
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