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43ecb9c35c
Don't cast malloc-family return values. Also found some places where (a) blank line was missing; and (b) the *wrong* return value was checked. Reviewed-by: Richard Levitte <levitte@openssl.org>
201 lines
6.9 KiB
C
201 lines
6.9 KiB
C
/*
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* Written by Richard Levitte (levitte@openssl.org) for the OpenSSL project
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* 2015.
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*/
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/* ====================================================================
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* Copyright (c) 2015 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <string.h>
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#include <openssl/evp.h>
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#include "internal/evp_int.h"
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#include "evp_locl.h"
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EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len)
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{
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EVP_CIPHER *cipher = OPENSSL_zalloc(sizeof(EVP_CIPHER));
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if (cipher != NULL) {
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cipher->nid = cipher_type;
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cipher->block_size = block_size;
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cipher->key_len = key_len;
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}
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return cipher;
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}
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EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher)
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{
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EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size,
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cipher->key_len);
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if (to != NULL)
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memcpy(to, cipher, sizeof(*to));
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return to;
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}
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void EVP_CIPHER_meth_free(EVP_CIPHER *cipher)
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{
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OPENSSL_free(cipher);
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}
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int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len)
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{
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cipher->iv_len = iv_len;
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return 1;
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}
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int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags)
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{
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cipher->flags = flags;
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return 1;
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}
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int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size)
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{
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cipher->ctx_size = ctx_size;
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return 1;
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}
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int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
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int (*init) (EVP_CIPHER_CTX *ctx,
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const unsigned char *key,
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const unsigned char *iv,
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int enc))
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{
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cipher->init = init;
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return 1;
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}
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int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
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int (*do_cipher) (EVP_CIPHER_CTX *ctx,
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unsigned char *out,
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const unsigned char *in,
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size_t inl))
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{
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cipher->do_cipher = do_cipher;
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return 1;
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}
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int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
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int (*cleanup) (EVP_CIPHER_CTX *))
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{
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cipher->cleanup = cleanup;
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return 1;
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}
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int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
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int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
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ASN1_TYPE *))
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{
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cipher->set_asn1_parameters = set_asn1_parameters;
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return 1;
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}
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int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
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int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
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ASN1_TYPE *))
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{
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cipher->get_asn1_parameters = get_asn1_parameters;
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return 1;
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}
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int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
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int (*ctrl) (EVP_CIPHER_CTX *, int type,
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int arg, void *ptr))
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{
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cipher->ctrl = ctrl;
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return 1;
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}
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int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
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const unsigned char *key,
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const unsigned char *iv,
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int enc)
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{
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return cipher->init;
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}
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int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
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unsigned char *out,
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const unsigned char *in,
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size_t inl)
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{
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return cipher->do_cipher;
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}
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int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *)
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{
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return cipher->cleanup;
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}
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int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
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ASN1_TYPE *)
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{
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return cipher->set_asn1_parameters;
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}
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int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
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ASN1_TYPE *)
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{
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return cipher->get_asn1_parameters;
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}
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int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
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int type, int arg,
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void *ptr)
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{
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return cipher->ctrl;
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}
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