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/*
* Copyright 1995-2021 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
*/
/*
* CAST low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <stdio.h>
#include "internal/cryptlib.h"
#ifndef OPENSSL_NO_CAST
# include <openssl/evp.h>
# include <openssl/objects.h>
# include "crypto/evp.h"
# include <openssl/cast.h>
# include "evp_local.h"
static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
typedef struct {
CAST_KEY ks;
} EVP_CAST_KEY;
# define data(ctx) EVP_C_DATA(EVP_CAST_KEY,ctx)
IMPLEMENT_BLOCK_CIPHER(cast5, ks, CAST, EVP_CAST_KEY,
NID_cast5, 8, CAST_KEY_LENGTH, 8, 64,
EVP_CIPH_VARIABLE_LENGTH, cast_init_key, NULL,
EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
int keylen = EVP_CIPHER_CTX_get_key_length(ctx);
if (keylen <= 0)
return 0;
CAST_set_key(&data(ctx)->ks, keylen, key);
return 1;
}
#endif
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