1 /* $OpenBSD: aes.h,v 1.14 2014/07/09 09:10:07 miod Exp $ */
2 /* ====================================================================
3  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in
14  *    the documentation and/or other materials provided with the
15  *    distribution.
16  *
17  * 3. All advertising materials mentioning features or use of this
18  *    software must display the following acknowledgment:
19  *    "This product includes software developed by the OpenSSL Project
20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21  *
22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23  *    endorse or promote products derived from this software without
24  *    prior written permission. For written permission, please contact
25  *    openssl-core@openssl.org.
26  *
27  * 5. Products derived from this software may not be called "OpenSSL"
28  *    nor may "OpenSSL" appear in their names without prior written
29  *    permission of the OpenSSL Project.
30  *
31  * 6. Redistributions of any form whatsoever must retain the following
32  *    acknowledgment:
33  *    "This product includes software developed by the OpenSSL Project
34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35  *
36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47  * OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  */
51 module libressl_d.openssl.aes;
52 
53 
54 private static import core.stdc.config;
55 public import core.stdc.stddef;
56 public import libressl_d.openssl.opensslconf;
57 
58 version (OPENSSL_NO_AES) {
59 	static assert(false, "AES is disabled.");
60 }
61 
62 enum AES_ENCRYPT = 1;
63 enum AES_DECRYPT = 0;
64 
65 /*
66  * Because array size can't be a const in C, the following two are macros.
67  * Both sizes are in bytes.
68  */
69 enum AES_MAXNR = 14;
70 enum AES_BLOCK_SIZE = 16;
71 
72 extern (C):
73 nothrow @nogc:
74 
75 /**
76  * This should be a hidden type, but EVP requires that the size be known
77  */
78 struct aes_key_st
79 {
80 	uint[4 * (.AES_MAXNR + 1)] rd_key;
81 	int rounds;
82 }
83 
84 alias AES_KEY = .aes_key_st;
85 
86 const (char)* AES_options();
87 
88 int AES_set_encrypt_key(const (ubyte)* userKey, const int bits, .AES_KEY* key);
89 int AES_set_decrypt_key(const (ubyte)* userKey, const int bits, .AES_KEY* key);
90 
91 void AES_encrypt(const (ubyte)* in_, ubyte* out_, const (.AES_KEY)* key);
92 void AES_decrypt(const (ubyte)* in_, ubyte* out_, const (.AES_KEY)* key);
93 
94 void AES_ecb_encrypt(const (ubyte)* in_, ubyte* out_, const (.AES_KEY)* key, const int enc);
95 void AES_cbc_encrypt(const (ubyte)* in_, ubyte* out_, size_t length_, const (.AES_KEY)* key, ubyte* ivec, const int enc);
96 void AES_cfb128_encrypt(const (ubyte)* in_, ubyte* out_, size_t length_, const (.AES_KEY)* key, ubyte* ivec, int* num, const int enc);
97 void AES_cfb1_encrypt(const (ubyte)* in_, ubyte* out_, size_t length_, const (.AES_KEY)* key, ubyte* ivec, int* num, const int enc);
98 void AES_cfb8_encrypt(const (ubyte)* in_, ubyte* out_, size_t length_, const (.AES_KEY)* key, ubyte* ivec, int* num, const int enc);
99 void AES_ofb128_encrypt(const (ubyte)* in_, ubyte* out_, size_t length_, const (.AES_KEY)* key, ubyte* ivec, int* num);
100 void AES_ctr128_encrypt(const (ubyte)* in_, ubyte* out_, size_t length_, const (.AES_KEY)* key, ubyte* ivec, ubyte* ecount_buf, uint* num);
101 /* NB: the IV is _two_ blocks core.stdc.config.c_long */
102 void AES_ige_encrypt(const (ubyte)* in_, ubyte* out_, size_t length_, const (.AES_KEY)* key, ubyte* ivec, const int enc);
103 
104 int AES_wrap_key(.AES_KEY* key, const (ubyte)* iv, ubyte* out_, const (ubyte)* in_, uint inlen);
105 int AES_unwrap_key(.AES_KEY* key, const (ubyte)* iv, ubyte* out_, const (ubyte)* in_, uint inlen);