modes_lcl.h revision 290207
1/* ==================================================================== 2 * Copyright (c) 2010 The OpenSSL Project. All rights reserved. 3 * 4 * Redistribution and use is governed by OpenSSL license. 5 * ==================================================================== 6 */ 7 8#include <openssl/modes.h> 9 10#if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 11typedef __int64 i64; 12typedef unsigned __int64 u64; 13# define U64(C) C##UI64 14#elif defined(__arch64__) 15typedef long i64; 16typedef unsigned long u64; 17# define U64(C) C##UL 18#else 19typedef long long i64; 20typedef unsigned long long u64; 21# define U64(C) C##ULL 22#endif 23 24typedef unsigned int u32; 25typedef unsigned char u8; 26 27#define STRICT_ALIGNMENT 1 28#ifndef PEDANTIC 29# if defined(__i386) || defined(__i386__) || \ 30 defined(__x86_64) || defined(__x86_64__) || \ 31 defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64) || \ 32 defined(__aarch64__) || \ 33 defined(__s390__) || defined(__s390x__) 34# undef STRICT_ALIGNMENT 35# endif 36#endif 37 38#if !defined(PEDANTIC) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) 39# if defined(__GNUC__) && __GNUC__>=2 40# if defined(__x86_64) || defined(__x86_64__) 41# define BSWAP8(x) ({ u64 ret_=(x); \ 42 asm ("bswapq %0" \ 43 : "+r"(ret_)); ret_; }) 44# define BSWAP4(x) ({ u32 ret_=(x); \ 45 asm ("bswapl %0" \ 46 : "+r"(ret_)); ret_; }) 47# elif (defined(__i386) || defined(__i386__)) && !defined(I386_ONLY) 48# define BSWAP8(x) ({ u32 lo_=(u64)(x)>>32,hi_=(x); \ 49 asm ("bswapl %0; bswapl %1" \ 50 : "+r"(hi_),"+r"(lo_)); \ 51 (u64)hi_<<32|lo_; }) 52# define BSWAP4(x) ({ u32 ret_=(x); \ 53 asm ("bswapl %0" \ 54 : "+r"(ret_)); ret_; }) 55# elif defined(__aarch64__) 56# define BSWAP8(x) ({ u64 ret_; \ 57 asm ("rev %0,%1" \ 58 : "=r"(ret_) : "r"(x)); ret_; }) 59# define BSWAP4(x) ({ u32 ret_; \ 60 asm ("rev %w0,%w1" \ 61 : "=r"(ret_) : "r"(x)); ret_; }) 62# elif (defined(__arm__) || defined(__arm)) && !defined(STRICT_ALIGNMENT) 63# define BSWAP8(x) ({ u32 lo_=(u64)(x)>>32,hi_=(x); \ 64 asm ("rev %0,%0; rev %1,%1" \ 65 : "+r"(hi_),"+r"(lo_)); \ 66 (u64)hi_<<32|lo_; }) 67# define BSWAP4(x) ({ u32 ret_; \ 68 asm ("rev %0,%1" \ 69 : "=r"(ret_) : "r"((u32)(x))); \ 70 ret_; }) 71# endif 72# elif defined(_MSC_VER) 73# if _MSC_VER>=1300 74# pragma intrinsic(_byteswap_uint64,_byteswap_ulong) 75# define BSWAP8(x) _byteswap_uint64((u64)(x)) 76# define BSWAP4(x) _byteswap_ulong((u32)(x)) 77# elif defined(_M_IX86) 78__inline u32 _bswap4(u32 val) 79{ 80_asm mov eax, val _asm bswap eax} 81# define BSWAP4(x) _bswap4(x) 82# endif 83# endif 84#endif 85#if defined(BSWAP4) && !defined(STRICT_ALIGNMENT) 86# define GETU32(p) BSWAP4(*(const u32 *)(p)) 87# define PUTU32(p,v) *(u32 *)(p) = BSWAP4(v) 88#else 89# define GETU32(p) ((u32)(p)[0]<<24|(u32)(p)[1]<<16|(u32)(p)[2]<<8|(u32)(p)[3]) 90# define PUTU32(p,v) ((p)[0]=(u8)((v)>>24),(p)[1]=(u8)((v)>>16),(p)[2]=(u8)((v)>>8),(p)[3]=(u8)(v)) 91#endif 92/*- GCM definitions */ typedef struct { 93 u64 hi, lo; 94} u128; 95 96#ifdef TABLE_BITS 97# undef TABLE_BITS 98#endif 99/* 100 * Even though permitted values for TABLE_BITS are 8, 4 and 1, it should 101 * never be set to 8 [or 1]. For further information see gcm128.c. 102 */ 103#define TABLE_BITS 4 104 105struct gcm128_context { 106 /* Following 6 names follow names in GCM specification */ 107 union { 108 u64 u[2]; 109 u32 d[4]; 110 u8 c[16]; 111 size_t t[16 / sizeof(size_t)]; 112 } Yi, EKi, EK0, len, Xi, H; 113 /* 114 * Relative position of Xi, H and pre-computed Htable is used in some 115 * assembler modules, i.e. don't change the order! 116 */ 117#if TABLE_BITS==8 118 u128 Htable[256]; 119#else 120 u128 Htable[16]; 121 void (*gmult) (u64 Xi[2], const u128 Htable[16]); 122 void (*ghash) (u64 Xi[2], const u128 Htable[16], const u8 *inp, 123 size_t len); 124#endif 125 unsigned int mres, ares; 126 block128_f block; 127 void *key; 128}; 129 130struct xts128_context { 131 void *key1, *key2; 132 block128_f block1, block2; 133}; 134 135struct ccm128_context { 136 union { 137 u64 u[2]; 138 u8 c[16]; 139 } nonce, cmac; 140 u64 blocks; 141 block128_f block; 142 void *key; 143}; 144