1 /*
2 * Copyright 1995-2021 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 /*
11 * BF low level APIs are deprecated for public use, but still ok for internal
12 * use.
13 */
14 #include "internal/deprecated.h"
15
16 #include <stdio.h>
17 #include "internal/cryptlib.h"
18 #ifndef OPENSSL_NO_BF
19 # include <openssl/evp.h>
20 # include "crypto/evp.h"
21 # include <openssl/objects.h>
22 # include <openssl/blowfish.h>
23 # include "evp_local.h"
24
25 static int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
26 const unsigned char *iv, int enc);
27
28 typedef struct {
29 BF_KEY ks;
30 } EVP_BF_KEY;
31
32 # define data(ctx) EVP_C_DATA(EVP_BF_KEY,ctx)
33
34 IMPLEMENT_BLOCK_CIPHER(bf, ks, BF, EVP_BF_KEY, NID_bf, 8, 16, 8, 64,
35 EVP_CIPH_VARIABLE_LENGTH, bf_init_key, NULL,
36 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
37
bf_init_key(EVP_CIPHER_CTX * ctx,const unsigned char * key,const unsigned char * iv,int enc)38 static int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
39 const unsigned char *iv, int enc)
40 {
41 int len = EVP_CIPHER_CTX_get_key_length(ctx);
42
43 if (len < 0)
44 return 0;
45 BF_set_key(&data(ctx)->ks, len, key);
46 return 1;
47 }
48
49 #endif
50
