1 /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
2 /* ====================================================================
3 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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
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/)"
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
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25 * openssl-core@openssl.org.
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.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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)
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46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
55 #include <openssl/opensslconf.h>
58 #error AES is disabled.
66 /* Because array size can't be a const in C, the following two are macros.
67 Both sizes are in bytes. */
69 #define AES_BLOCK_SIZE 16
75 /* This should be a hidden type, but EVP requires that the size be known */
78 unsigned long rd_key[4 *(AES_MAXNR + 1)];
80 unsigned int rd_key[4 *(AES_MAXNR + 1)];
84 typedef struct aes_key_st AES_KEY;
86 const char *AES_options(void);
88 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
90 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
93 void AES_encrypt(const unsigned char *in, unsigned char *out,
95 void AES_decrypt(const unsigned char *in, unsigned char *out,
98 void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
99 const AES_KEY *key, const int enc);
100 void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
101 size_t length, const AES_KEY *key,
102 unsigned char *ivec, const int enc);
103 void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
104 size_t length, const AES_KEY *key,
105 unsigned char *ivec, int *num, const int enc);
106 void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
107 size_t length, const AES_KEY *key,
108 unsigned char *ivec, int *num, const int enc);
109 void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
110 size_t length, const AES_KEY *key,
111 unsigned char *ivec, int *num, const int enc);
112 void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
113 size_t length, const AES_KEY *key,
114 unsigned char *ivec, int *num);
116 void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
117 size_t length, const AES_KEY *key,
118 unsigned char ivec[AES_BLOCK_SIZE],
119 unsigned char ecount_buf[AES_BLOCK_SIZE],
122 /* NB: the IV is _two_ blocks long */
123 void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
124 size_t length, const AES_KEY *key,
125 unsigned char *ivec, const int enc);
126 /* NB: the IV is _four_ blocks long */
127 void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
128 size_t length, const AES_KEY *key,
129 const AES_KEY *key2, const unsigned char *ivec,
132 int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
134 const unsigned char *in, unsigned int inlen);
135 int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
137 const unsigned char *in, unsigned int inlen);
144 #endif /* !HEADER_AES_H */