Import OpenSSL-1.0.1a.
[dragonfly.git] / crypto / openssl / crypto / modes / modes_lcl.h
CommitLineData
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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__)
12typedef __int64 i64;
13typedef unsigned __int64 u64;
14#define U64(C) C##UI64
15#elif defined(__arch64__)
16typedef long i64;
17typedef unsigned long u64;
18#define U64(C) C##UL
19#else
20typedef long long i64;
21typedef unsigned long long u64;
22#define U64(C) C##ULL
23#endif
24
25typedef unsigned int u32;
26typedef 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; })
503f6d4b 48# elif (defined(__i386) || defined(__i386__)) && !defined(I386_ONLY)
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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
91typedef 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
102struct 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
120struct xts128_context {
121 void *key1, *key2;
122 block128_f block1,block2;
123};
124
125struct ccm128_context {
126 union { u64 u[2]; u8 c[16]; } nonce, cmac;
127 u64 blocks;
128 block128_f block;
129 void *key;
130};
131