aes.h

00001 /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
00002 /* ====================================================================
00003  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * 1. Redistributions of source code must retain the above copyright
00010  *    notice, this list of conditions and the following disclaimer. 
00011  *
00012  * 2. Redistributions in binary form must reproduce the above copyright
00013  *    notice, this list of conditions and the following disclaimer in
00014  *    the documentation and/or other materials provided with the
00015  *    distribution.
00016  *
00017  * 3. All advertising materials mentioning features or use of this
00018  *    software must display the following acknowledgment:
00019  *    "This product includes software developed by the OpenSSL Project
00020  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
00021  *
00022  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
00023  *    endorse or promote products derived from this software without
00024  *    prior written permission. For written permission, please contact
00025  *    [email protected]
00026  *
00027  * 5. Products derived from this software may not be called "OpenSSL"
00028  *    nor may "OpenSSL" appear in their names without prior written
00029  *    permission of the OpenSSL Project.
00030  *
00031  * 6. Redistributions of any form whatsoever must retain the following
00032  *    acknowledgment:
00033  *    "This product includes software developed by the OpenSSL Project
00034  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
00035  *
00036  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
00037  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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00042  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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00048  * ====================================================================
00049  *
00050  */
00051  /*
00052  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
00053  */
00054 
00055 
00056 #ifndef HEADER_AES_H
00057 #define HEADER_AES_H
00058 
00059 #if (defined(__SYMBIAN32__) && !defined(SYMBIAN))
00060 #define SYMBIAN
00061 #endif
00062 
00063 #include <openssl/opensslconf.h>
00064 #ifdef SYMBIAN
00065 #include <e32def.h>
00066 #endif
00067 #ifdef OPENSSL_NO_AES
00068 #error AES is disabled.
00069 #endif
00070 
00071 #define AES_ENCRYPT     1
00072 #define AES_DECRYPT     0
00073 
00074 /* Because array size can't be a const in C, the following two are macros.
00075    Both sizes are in bytes. */
00076 #define AES_MAXNR 14
00077 #define AES_BLOCK_SIZE 16
00078 
00079 #ifdef  __cplusplus
00080 extern "C" {
00081 #endif
00082 
00083 /* This should be a hidden type, but EVP requires that the size be known */
00084 struct aes_key_st {
00085 #ifdef AES_LONG
00086     unsigned long rd_key[4 *(AES_MAXNR + 1)];
00087 #else
00088     unsigned int rd_key[4 *(AES_MAXNR + 1)];
00089 #endif
00090     int rounds;
00091 };
00092 typedef struct aes_key_st AES_KEY;
00093 
00094 
00095 IMPORT_C const char *AES_options(void);
00096 
00097 IMPORT_C int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
00098         AES_KEY *key);
00099 IMPORT_C int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
00100         AES_KEY *key);
00101 
00102 IMPORT_C void AES_encrypt(const unsigned char *in, unsigned char *out,
00103         const AES_KEY *key);
00104 IMPORT_C void AES_decrypt(const unsigned char *in, unsigned char *out,
00105         const AES_KEY *key);
00106 
00107 IMPORT_C void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
00108         const AES_KEY *key, const int enc);
00109 IMPORT_C void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
00110         const unsigned long length, const AES_KEY *key,
00111         unsigned char *ivec, const int enc);
00112 IMPORT_C void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
00113         const unsigned long length, const AES_KEY *key,
00114         unsigned char *ivec, int *num, const int enc);
00115 IMPORT_C void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
00116         const unsigned long length, const AES_KEY *key,
00117         unsigned char *ivec, int *num, const int enc);
00118 IMPORT_C void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
00119         const unsigned long length, const AES_KEY *key,
00120         unsigned char *ivec, int *num, const int enc);
00121 IMPORT_C void AES_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,
00122                             const int nbits,const AES_KEY *key,
00123                             unsigned char *ivec,const int enc);
00124 IMPORT_C void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
00125         const unsigned long length, const AES_KEY *key,
00126         unsigned char *ivec, int *num);
00127 IMPORT_C void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
00128         const unsigned long length, const AES_KEY *key,
00129         unsigned char ivec[AES_BLOCK_SIZE],
00130         unsigned char ecount_buf[AES_BLOCK_SIZE],
00131         unsigned int *num);
00132 
00133 #ifdef  __cplusplus
00134 }
00135 #endif
00136 
00137 #endif /* !HEADER_AES_H */