Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/freebl/sha_fast.h @ 1:247cffdc9b89

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Add a pesodo config file for inlcude directories and library names
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 13:00:06 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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4
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5 #ifndef _SHA_FAST_H_
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6 #define _SHA_FAST_H_
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7
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8 #include "prlong.h"
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9
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10 #define SHA1_INPUT_LEN 64
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11
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12 #if defined(IS_64) && !defined(__sparc)
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13 typedef PRUint64 SHA_HW_t;
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14 #define SHA1_USING_64_BIT 1
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15 #else
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16 typedef PRUint32 SHA_HW_t;
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17 #endif
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18
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19 struct SHA1ContextStr {
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20 union {
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21 PRUint32 w[16]; /* input buffer */
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22 PRUint8 b[64];
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23 } u;
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24 PRUint64 size; /* count of hashed bytes. */
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25 SHA_HW_t H[22]; /* 5 state variables, 16 tmp values, 1 extra */
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26 };
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27
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28 #if defined(_MSC_VER)
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29 #include <stdlib.h>
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30 #if defined(IS_LITTLE_ENDIAN)
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31 #if (_MSC_VER >= 1300)
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32 #pragma intrinsic(_byteswap_ulong)
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33 #define SHA_HTONL(x) _byteswap_ulong(x)
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34 #elif defined(NSS_X86_OR_X64)
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35 #ifndef FORCEINLINE
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36 #if (_MSC_VER >= 1200)
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37 #define FORCEINLINE __forceinline
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38 #else
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39 #define FORCEINLINE __inline
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40 #endif /* _MSC_VER */
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41 #endif /* !defined FORCEINLINE */
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42 #define FASTCALL __fastcall
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43
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44 static FORCEINLINE PRUint32 FASTCALL
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45 swap4b(PRUint32 dwd)
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46 {
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47 __asm {
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48 mov eax,dwd
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49 bswap eax
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50 }
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51 }
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52
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53 #define SHA_HTONL(x) swap4b(x)
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54 #endif /* NSS_X86_OR_X64 */
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55 #endif /* IS_LITTLE_ENDIAN */
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56
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57 #pragma intrinsic (_lrotr, _lrotl)
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58 #define SHA_ROTL(x,n) _lrotl(x,n)
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59 #define SHA_ROTL_IS_DEFINED 1
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60 #endif /* _MSC_VER */
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61
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62 #if defined(__GNUC__)
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63 /* __x86_64__ and __x86_64 are defined by GCC on x86_64 CPUs */
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64 #if defined( SHA1_USING_64_BIT )
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65 static __inline__ PRUint64 SHA_ROTL(PRUint64 x, PRUint32 n)
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66 {
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67 PRUint32 t = (PRUint32)x;
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68 return ((t << n) | (t >> (32 - n)));
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69 }
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70 #else
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71 static __inline__ PRUint32 SHA_ROTL(PRUint32 t, PRUint32 n)
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72 {
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73 return ((t << n) | (t >> (32 - n)));
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74 }
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75 #endif
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76 #define SHA_ROTL_IS_DEFINED 1
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77
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78 #if defined(NSS_X86_OR_X64)
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79 static __inline__ PRUint32 swap4b(PRUint32 value)
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80 {
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81 __asm__("bswap %0" : "+r" (value));
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82 return (value);
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83 }
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84 #define SHA_HTONL(x) swap4b(x)
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85
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86 #elif defined(__thumb2__) || \
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87 (!defined(__thumb__) && \
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88 (defined(__ARM_ARCH_6__) || \
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89 defined(__ARM_ARCH_6J__) || \
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90 defined(__ARM_ARCH_6K__) || \
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91 defined(__ARM_ARCH_6Z__) || \
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92 defined(__ARM_ARCH_6ZK__) || \
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93 defined(__ARM_ARCH_6T2__) || \
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94 defined(__ARM_ARCH_7__) || \
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95 defined(__ARM_ARCH_7A__) || \
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96 defined(__ARM_ARCH_7R__)))
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97 static __inline__ PRUint32 swap4b(PRUint32 value)
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98 {
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99 PRUint32 ret;
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100 __asm__("rev %0, %1" : "=r" (ret) : "r"(value));
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101 return ret;
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102 }
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103 #define SHA_HTONL(x) swap4b(x)
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104
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105 #endif /* x86 family */
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106
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107 #endif /* __GNUC__ */
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108
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109 #if !defined(SHA_ROTL_IS_DEFINED)
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110 #define SHA_NEED_TMP_VARIABLE 1
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111 #define SHA_ROTL(X,n) (tmp = (X), ((tmp) << (n)) | ((tmp) >> (32-(n))))
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112 #endif
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113
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114 #if defined(NSS_X86_OR_X64)
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115 #define SHA_ALLOW_UNALIGNED_ACCESS 1
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116 #endif
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117
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118 #if !defined(SHA_HTONL)
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119 #define SHA_MASK 0x00FF00FF
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120 #if defined(IS_LITTLE_ENDIAN)
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121 #undef SHA_NEED_TMP_VARIABLE
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122 #define SHA_NEED_TMP_VARIABLE 1
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123 #define SHA_HTONL(x) (tmp = (x), tmp = (tmp << 16) | (tmp >> 16), \
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124 ((tmp & SHA_MASK) << 8) | ((tmp >> 8) & SHA_MASK))
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125 #else
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126 #define SHA_HTONL(x) (x)
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127 #endif
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128 #endif
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129
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130 #define SHA_BYTESWAP(x) x = SHA_HTONL(x)
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131
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132 #define SHA_STORE(n) ((PRUint32*)hashout)[n] = SHA_HTONL(ctx->H[n])
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133 #if defined(SHA_ALLOW_UNALIGNED_ACCESS)
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134 #define SHA_STORE_RESULT \
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135 SHA_STORE(0); \
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136 SHA_STORE(1); \
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137 SHA_STORE(2); \
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138 SHA_STORE(3); \
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139 SHA_STORE(4);
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140
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141 #elif defined(IS_LITTLE_ENDIAN) || defined( SHA1_USING_64_BIT )
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142 #define SHA_STORE_RESULT \
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143 if (!((ptrdiff_t)hashout % sizeof(PRUint32))) { \
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144 SHA_STORE(0); \
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145 SHA_STORE(1); \
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146 SHA_STORE(2); \
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147 SHA_STORE(3); \
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148 SHA_STORE(4); \
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149 } else { \
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150 tmpbuf[0] = SHA_HTONL(ctx->H[0]); \
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151 tmpbuf[1] = SHA_HTONL(ctx->H[1]); \
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152 tmpbuf[2] = SHA_HTONL(ctx->H[2]); \
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153 tmpbuf[3] = SHA_HTONL(ctx->H[3]); \
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154 tmpbuf[4] = SHA_HTONL(ctx->H[4]); \
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155 memcpy(hashout, tmpbuf, SHA1_LENGTH); \
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156 }
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157
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158 #else
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159 #define SHA_STORE_RESULT \
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160 if (!((ptrdiff_t)hashout % sizeof(PRUint32))) { \
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161 SHA_STORE(0); \
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162 SHA_STORE(1); \
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163 SHA_STORE(2); \
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164 SHA_STORE(3); \
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165 SHA_STORE(4); \
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166 } else { \
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167 memcpy(hashout, ctx->H, SHA1_LENGTH); \
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168 }
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169 #endif
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170
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171 #endif /* _SHA_FAST_H_ */
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