1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12
13#ifndef OPENSSL_NO_CAST
14# include <openssl/evp.h>
15# include <openssl/objects.h>
16# include "crypto/evp.h"
17# include <openssl/cast.h>
18
19static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
20 const unsigned char *iv, int enc);
21
22typedef struct {
23 CAST_KEY ks;
24} EVP_CAST_KEY;
25
26# define data(ctx) EVP_C_DATA(EVP_CAST_KEY,ctx)
27
28IMPLEMENT_BLOCK_CIPHER(cast5, ks, CAST, EVP_CAST_KEY,
29 NID_cast5, 8, CAST_KEY_LENGTH, 8, 64,
30 EVP_CIPH_VARIABLE_LENGTH, cast_init_key, NULL,
31 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
32
33static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
34 const unsigned char *iv, int enc)
35{
36 CAST_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), key);
37 return 1;
38}
39
40#endif
41