release/src/router/openssl/crypto/modes/modes_lcl.h

   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
  11 #if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
  12 typedef __int64 i64;
  13 typedef unsigned __int64 u64;
  14 #define U64(C) C##UI64
  15 #elif defined(__arch64__)
  16 typedef long i64;
  17 typedef unsigned long u64;
  18 #define U64(C) C##UL
  19 #else
  20 typedef long long i64;
  21 typedef unsigned long long u64;
  22 #define U64(C) C##ULL
  23 #endif
  24
  25 typedef unsigned int u32;
  26 typedef unsigned char u8;
  27
  28 #define STRICT_ALIGNMENT 1
  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(__s390__)   || defined(__s390x__)   || \
  33     ( (defined(__arm__) || defined(__arm)) && \
  34       (defined(__ARM_ARCH_7__)  || defined(__ARM_ARCH_7A__) || \
  35        defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__)) )
  36 # undef STRICT_ALIGNMENT
  37 #endif
  38
  39 #if !defined(PEDANTIC) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
  40 #if defined(__GNUC__) && __GNUC__>=2
  41 # if defined(__x86_64) || defined(__x86_64__)
  42 #  define BSWAP8(x) ({  u64 ret=(x);                    \
  43                         asm ("bswapq %0"                \
  44                         : "+r"(ret));   ret;            })
  45 #  define BSWAP4(x) ({  u32 ret=(x);                    \
  46                         asm ("bswapl %0"                \
  47                         : "+r"(ret));   ret;            })
  48 # elif (defined(__i386) || defined(__i386__)) && !defined(I386_ONLY)
  49 #  define BSWAP8(x) ({  u32 lo=(u64)(x)>>32,hi=(x);     \
  50                         asm ("bswapl %0; bswapl %1"     \
  51                         : "+r"(hi),"+r"(lo));           \
  52                         (u64)hi<<32|lo;                 })
  53 #  define BSWAP4(x) ({  u32 ret=(x);                    \
  54                         asm ("bswapl %0"                \
  55                         : "+r"(ret));   ret;            })
  56 # elif (defined(__arm__) || defined(__arm)) && !defined(STRICT_ALIGNMENT)
  57 #  define BSWAP8(x) ({  u32 lo=(u64)(x)>>32,hi=(x);     \
  58                         asm ("rev %0,%0; rev %1,%1"     \
  59                         : "+r"(hi),"+r"(lo));           \
  60                         (u64)hi<<32|lo;                 })
  61 #  define BSWAP4(x) ({  u32 ret;                        \
  62                         asm ("rev %0,%1"                \
  63                         : "=r"(ret) : "r"((u32)(x)));   \
  64                         ret;                            })
  65 # endif
  66 #elif defined(_MSC_VER)
  67 # if _MSC_VER>=1300
  68 #  pragma intrinsic(_byteswap_uint64,_byteswap_ulong)
  69 #  define BSWAP8(x)     _byteswap_uint64((u64)(x))
  70 #  define BSWAP4(x)     _byteswap_ulong((u32)(x))
  71 # elif defined(_M_IX86)
  72    __inline u32 _bswap4(u32 val) {
  73         _asm mov eax,val
  74         _asm bswap eax
  75    }
  76 #  define BSWAP4(x)     _bswap4(x)
  77 # endif
  78 #endif
  79 #endif
  80
  81 #if defined(BSWAP4) && !defined(STRICT_ALIGNMENT)
  82 #define GETU32(p)       BSWAP4(*(const u32 *)(p))
  83 #define PUTU32(p,v)     *(u32 *)(p) = BSWAP4(v)
  84 #else
  85 #define GETU32(p)       ((u32)(p)[0]<<24|(u32)(p)[1]<<16|(u32)(p)[2]<<8|(u32)(p)[3])
  86 #define PUTU32(p,v)     ((p)[0]=(u8)((v)>>24),(p)[1]=(u8)((v)>>16),(p)[2]=(u8)((v)>>8),(p)[3]=(u8)(v))
  87 #endif
  88
  89 /* GCM definitions */
  90
  91 typedef struct { u64 hi,lo; } u128;
  92
  93 #ifdef  TABLE_BITS
  94 #undef  TABLE_BITS
  95 #endif
  96 /*
  97  * Even though permitted values for TABLE_BITS are 8, 4 and 1, it should
  98  * never be set to 8 [or 1]. For further information see gcm128.c.
  99  */
 100 #define TABLE_BITS 4
 101
 102 struct gcm128_context {
 103         /* Following 6 names follow names in GCM specification */
 104         union { u64 u[2]; u32 d[4]; u8 c[16]; } Yi,EKi,EK0,len,
 105                                                 Xi,H;
 106         /* Relative position of Xi, H and pre-computed Htable is used
 107          * in some assembler modules, i.e. don't change the order! */
 108 #if TABLE_BITS==8
 109         u128 Htable[256];
 110 #else
 111         u128 Htable[16];
 112         void (*gmult)(u64 Xi[2],const u128 Htable[16]);
 113         void (*ghash)(u64 Xi[2],const u128 Htable[16],const u8 *inp,size_t len);
 114 #endif
 115         unsigned int mres, ares;
 116         block128_f block;
 117         void *key;
 118 };
 119
 120 struct xts128_context {
 121         void      *key1, *key2;
 122         block128_f block1,block2;
 123 };
 124
 125 struct ccm128_context {
 126         union { u64 u[2]; u8 c[16]; } nonce, cmac;
 127         u64 blocks;
 128         block128_f block;
 129         void *key;
 130 };
 131