aes.h
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- /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
- /* ====================================================================
- * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- */
- #ifndef HEADER_AES_H
- #define HEADER_AES_H
- #include <openssl/opensslconf.h>
- #ifdef OPENSSL_NO_AES
- #error AES is disabled.
- #endif
- #define AES_ENCRYPT 1
- #define AES_DECRYPT 0
- /* Because array size can't be a const in C, the following two are macros.
- Both sizes are in bytes. */
- #define AES_MAXNR 14
- #define AES_BLOCK_SIZE 16
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* This should be a hidden type, but EVP requires that the size be known */
- struct aes_key_st {
- #ifdef AES_LONG
- unsigned long rd_key[4 *(AES_MAXNR + 1)];
- #else
- unsigned int rd_key[4 *(AES_MAXNR + 1)];
- #endif
- int rounds;
- };
- typedef struct aes_key_st AES_KEY;
- const char *AES_options(void);
- int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
- AES_KEY *key);
- int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
- AES_KEY *key);
- void AES_encrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key);
- void AES_decrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key);
- void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key, const int enc);
- void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- unsigned char *ivec, const int enc);
- void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- unsigned char *ivec, int *num, const int enc);
- void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- unsigned char *ivec, int *num, const int enc);
- void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- unsigned char *ivec, int *num, const int enc);
- void AES_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,
- const int nbits,const AES_KEY *key,
- unsigned char *ivec,const int enc);
- void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- unsigned char *ivec, int *num);
- void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- unsigned char ivec[AES_BLOCK_SIZE],
- unsigned char ecount_buf[AES_BLOCK_SIZE],
- unsigned int *num);
- #ifdef __cplusplus
- }
- #endif
- #endif /* !HEADER_AES_H */