dolphin/Source/Core/Common/Src/Crypto/aes.h

/* 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.
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
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 *    distribution.
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 * 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/)"
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 *    openssl-core@openssl.org.
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 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
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 */

#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);

/* For IGE, see also http://www.links.org/files/openssl-ige.pdf
   NB: the IV is _two_ blocks long */
void AES_ige_encrypt(const unsigned char* in, unsigned char* out,
		const unsigned long length, const AES_KEY* key,
		unsigned char* ivec, const int enc);


/* NB: the IV is _four_ blocks long */
void AES_bi_ige_encrypt(const unsigned char* in, unsigned char* out,
		const unsigned long length, const AES_KEY* key,
		const AES_KEY* key2, const unsigned char* ivec,
		const int enc);


#ifdef  __cplusplus
}
#endif

#endif /* !HEADER_AES_H */