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 | |
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 | |
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 | |