1 /*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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
19 static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
20 const unsigned char *iv, int enc);
21
22 typedef struct {
23 CAST_KEY ks;
24 } EVP_CAST_KEY;
25
26 # define data(ctx) EVP_C_DATA(EVP_CAST_KEY,ctx)
27
28 IMPLEMENT_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
cast_init_key(EVP_CIPHER_CTX * ctx,const unsigned char * key,const unsigned char * iv,int enc)33 static 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