113 lines
3 KiB
C
Executable file
113 lines
3 KiB
C
Executable file
/* $OpenBSD: modes_lcl.h,v 1.10 2016/12/21 15:49:29 jsing Exp $ */
|
|
/* ====================================================================
|
|
* Copyright (c) 2010 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use is governed by OpenSSL license.
|
|
* ====================================================================
|
|
*/
|
|
|
|
#include <machine/endian.h>
|
|
|
|
#include <openssl/opensslconf.h>
|
|
|
|
#include <openssl/modes.h>
|
|
|
|
__BEGIN_HIDDEN_DECLS
|
|
|
|
#if defined(_LP64)
|
|
typedef long i64;
|
|
typedef unsigned long u64;
|
|
#define U64(C) C##UL
|
|
#else
|
|
typedef long long i64;
|
|
typedef unsigned long long u64;
|
|
#define U64(C) C##ULL
|
|
#endif
|
|
|
|
typedef unsigned int u32;
|
|
typedef unsigned char u8;
|
|
|
|
#if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
|
|
#if defined(__GNUC__) && __GNUC__>=2
|
|
# if defined(__x86_64) || defined(__x86_64__)
|
|
# define BSWAP8(x) ({ u64 ret=(x); \
|
|
asm ("bswapq %0" \
|
|
: "+r"(ret)); ret; })
|
|
# define BSWAP4(x) ({ u32 ret=(x); \
|
|
asm ("bswapl %0" \
|
|
: "+r"(ret)); ret; })
|
|
# elif (defined(__i386) || defined(__i386__))
|
|
# define BSWAP8(x) ({ u32 lo=(u64)(x)>>32,hi=(x); \
|
|
asm ("bswapl %0; bswapl %1" \
|
|
: "+r"(hi),"+r"(lo)); \
|
|
(u64)hi<<32|lo; })
|
|
# define BSWAP4(x) ({ u32 ret=(x); \
|
|
asm ("bswapl %0" \
|
|
: "+r"(ret)); ret; })
|
|
# elif (defined(__arm__) || defined(__arm)) && !defined(__STRICT_ALIGNMENT)
|
|
# if (__ARM_ARCH >= 6)
|
|
# define BSWAP8(x) ({ u32 lo=(u64)(x)>>32,hi=(x); \
|
|
asm ("rev %0,%0; rev %1,%1" \
|
|
: "+r"(hi),"+r"(lo)); \
|
|
(u64)hi<<32|lo; })
|
|
# define BSWAP4(x) ({ u32 ret; \
|
|
asm ("rev %0,%1" \
|
|
: "=r"(ret) : "r"((u32)(x))); \
|
|
ret; })
|
|
# endif
|
|
# endif
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(BSWAP4) && !defined(__STRICT_ALIGNMENT)
|
|
#define GETU32(p) BSWAP4(*(const u32 *)(p))
|
|
#define PUTU32(p,v) *(u32 *)(p) = BSWAP4(v)
|
|
#else
|
|
#define GETU32(p) ((u32)(p)[0]<<24|(u32)(p)[1]<<16|(u32)(p)[2]<<8|(u32)(p)[3])
|
|
#define PUTU32(p,v) ((p)[0]=(u8)((v)>>24),(p)[1]=(u8)((v)>>16),(p)[2]=(u8)((v)>>8),(p)[3]=(u8)(v))
|
|
#endif
|
|
|
|
/* GCM definitions */
|
|
|
|
typedef struct { u64 hi,lo; } u128;
|
|
|
|
#ifdef TABLE_BITS
|
|
#undef TABLE_BITS
|
|
#endif
|
|
/*
|
|
* Even though permitted values for TABLE_BITS are 8, 4 and 1, it should
|
|
* never be set to 8 [or 1]. For further information see gcm128.c.
|
|
*/
|
|
#define TABLE_BITS 4
|
|
|
|
struct gcm128_context {
|
|
/* Following 6 names follow names in GCM specification */
|
|
union { u64 u[2]; u32 d[4]; u8 c[16]; size_t t[16/sizeof(size_t)]; }
|
|
Yi,EKi,EK0,len,Xi,H;
|
|
/* Relative position of Xi, H and pre-computed Htable is used
|
|
* in some assembler modules, i.e. don't change the order! */
|
|
#if TABLE_BITS==8
|
|
u128 Htable[256];
|
|
#else
|
|
u128 Htable[16];
|
|
void (*gmult)(u64 Xi[2],const u128 Htable[16]);
|
|
void (*ghash)(u64 Xi[2],const u128 Htable[16],const u8 *inp,size_t len);
|
|
#endif
|
|
unsigned int mres, ares;
|
|
block128_f block;
|
|
void *key;
|
|
};
|
|
|
|
struct xts128_context {
|
|
void *key1, *key2;
|
|
block128_f block1,block2;
|
|
};
|
|
|
|
struct ccm128_context {
|
|
union { u64 u[2]; u8 c[16]; } nonce, cmac;
|
|
u64 blocks;
|
|
block128_f block;
|
|
void *key;
|
|
};
|
|
|
|
__END_HIDDEN_DECLS
|