openssl/crypto/aes/aes_locl.h
Richard Levitte 58133d22a8 Add the modes OFB128, CFB128 and CTR128 to AES.
Submitted by Stephen Sprunk <stephen@sprunk.org>
2002-02-16 12:21:43 +00:00

88 lines
3.4 KiB
C

/* 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
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* software must display the following acknowledgment:
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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* 5. Products derived from this software may not be called "OpenSSL"
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*/
#ifndef HEADER_AES_LOCL_H
#define HEADER_AES_LOCL_H
#include <openssl/e_os2.h>
#ifdef OPENSSL_NO_AES
#error AES is disabled.
#endif
#include <stdio.h>
#include <stdlib.h>
#if defined(__STDC__) || defined(OPENSSL_SYS_VMS) || defined(M_XENIX) || defined(OPENSSL_SYS_MSDOS)
#include <string.h>
#endif
#ifdef _MSC_VER
# define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
# define GETU32(p) SWAP(*((u32 *)(p)))
# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
#else
# define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3]))
# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); }
#endif
typedef unsigned long u32;
typedef unsigned short u16;
typedef unsigned char u8;
#define MAXKC (256/32)
#define MAXKB (256/8)
#define MAXNR 14
/* This controls loop-unrolling in aes_core.c */
#undef FULL_UNROLL
#endif /* !HEADER_AES_LOCL_H */