1 /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
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.
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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
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39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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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 
52 module deimos.openssl.aes;
53 
54 import deimos.openssl._d_util;
55 
56 public import deimos.openssl.opensslconf;
57 
58 version (OPENSSL_NO_AES) {
59   static assert(false, "AES is disabled.");
60 }
61 
62 import core.stdc.config;
63 
64 enum AES_ENCRYPT = 1;
65 enum AES_DECRYPT = 0;
66 
67 /* Because array size can't be a const in C, the following two are macros.
68    Both sizes are in bytes. */
69 enum AES_MAXNR = 14;
70 enum AES_BLOCK_SIZE = 16;
71 
72 extern (C):
73 nothrow:
74 
75 /* This should be a hidden type, but EVP requires that the size be known */
76 struct aes_key_st {
77 version (AES_LONG) {
78     c_ulong[4* (AES_MAXNR + 1)] rd_key;
79 } else {
80     uint[4* (AES_MAXNR + 1)] rd_key;
81 }
82     int rounds;
83 };
84 alias aes_key_st AES_KEY;
85 
86 const(char)* AES_options();
87 
88 int AES_set_encrypt_key(const(ubyte)* userKey, const int bits,
89 	AES_KEY* key);
90 int AES_set_decrypt_key(const(ubyte)* userKey, const int bits,
91 	AES_KEY* key);
92 
93 int private_AES_set_encrypt_key(const(ubyte)* userKey, const int bits,
94 	AES_KEY *key);
95 int private_AES_set_decrypt_key(const(ubyte)* userKey, const int bits,
96 	AES_KEY *key);
97 
98 void AES_encrypt(const(ubyte)* in_, ubyte* out_,
99 	const(AES_KEY)* key);
100 void AES_decrypt(const(ubyte)* in_, ubyte* out_,
101 	const(AES_KEY)* key);
102 
103 void AES_ecb_encrypt(const(ubyte)* in_, ubyte* out_,
104 	const(AES_KEY)* key, const int enc);
105 void AES_cbc_encrypt(const(ubyte)* in_, ubyte* out_,
106 	size_t length, const(AES_KEY)* key,
107 	ubyte* ivec, const int enc);
108 void AES_cfb128_encrypt(const(ubyte)* in_, ubyte* out_,
109 	size_t length, const(AES_KEY)* key,
110 	ubyte* ivec, int* num, const int enc);
111 void AES_cfb1_encrypt(const(ubyte)* in_, ubyte* out_,
112 	size_t length, const(AES_KEY)* key,
113 	ubyte* ivec, int* num, const int enc);
114 void AES_cfb8_encrypt(const(ubyte)* in_, ubyte* out_,
115 	size_t length, const(AES_KEY)* key,
116 	ubyte* ivec, int* num, const int enc);
117 void AES_ofb128_encrypt(const(ubyte)* in_, ubyte* out_,
118 	size_t length, const(AES_KEY)* key,
119 	ubyte* ivec, int* num);
120 void AES_ctr128_encrypt(const(ubyte)* in_, ubyte* out_,
121 	size_t length, const(AES_KEY)* key,
122 	ubyte[AES_BLOCK_SIZE] ivec,
123 	ubyte[AES_BLOCK_SIZE] ecount_buf,
124 	uint* num);
125 /* NB: the IV is _two_ blocks long */
126 void AES_ige_encrypt(const(ubyte)* in_, ubyte* out_,
127 		     size_t length, const(AES_KEY)* key,
128 		     ubyte* ivec, const int enc);
129 /* NB: the IV is _four_ blocks long */
130 void AES_bi_ige_encrypt(const(ubyte)* in_, ubyte* out_,
131 			size_t length, const(AES_KEY)* key,
132 			const(AES_KEY)* key2, const(ubyte)* ivec,
133 			const int enc);
134 
135 int AES_wrap_key(AES_KEY* key, const(ubyte)* iv,
136 		ubyte* out_,
137 		const(ubyte)* in_, uint inlen);
138 int AES_unwrap_key(AES_KEY* key, const(ubyte)* iv,
139 		ubyte* out_,
140 		const(ubyte)* in_, uint inlen);