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1 /* |
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2 * Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: EAP and WLAN authentication protocols. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #if !defined( _EAP_AM_CRYPTO_SHA1_H_ ) |
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21 #define _EAP_AM_CRYPTO_SHA1_H_ |
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22 |
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23 #include "eap_am_types.h" |
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24 #include "eap_variable_data.h" |
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25 #include "eap_am_export.h" |
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26 #include "eap_am_tools.h" |
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27 |
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28 |
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29 //-------------------------------------------------- |
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30 |
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31 /// The eap_am_crypto_sha1_c class includes the state of |
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32 /// one instance of SHA1 algorithm. |
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33 class EAP_EXPORT eap_am_crypto_sha1_c |
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34 { |
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35 |
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36 private: |
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37 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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38 |
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39 enum eap_sha1_H_init |
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40 { |
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41 EAP_SHA1_INIT_H0 = 0x67452301ul, |
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42 EAP_SHA1_INIT_H1 = 0xefcdab89ul, |
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43 EAP_SHA1_INIT_H2 = 0x98badcfeul, |
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44 EAP_SHA1_INIT_H3 = 0x10325476ul, |
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45 EAP_SHA1_INIT_H4 = 0xc3d2e1f0ul, |
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46 }; |
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47 |
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48 enum eap_sha1_K |
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49 { |
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50 EAP_SHA1_K__0_19 = 0x5a827999ul, |
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51 EAP_SHA1_K_20_39 = 0x6ed9eba1ul, |
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52 EAP_SHA1_K_40_59 = 0x8f1bbcdcul, |
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53 EAP_SHA1_K_60_79 = 0xca62c1d6ul, |
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54 }; |
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55 |
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56 enum eap_sha1_sizes |
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57 { |
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58 EAP_AM_CRYPTO_SHA1_BLOCK_u32_COUNT = 16ul, ///< 16 u32_t integers. |
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59 EAP_AM_CRYPTO_SHA1_BLOCK_BYTE_SIZE |
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60 = EAP_AM_CRYPTO_SHA1_BLOCK_u32_COUNT |
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61 * sizeof(u32_t), ///< in bytes. |
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62 EAP_AM_CRYPTO_SHA1_DIGEST_BUFFER_u32_COUNT |
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63 = 5ul, ///< 5 u32_t integers. |
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64 EAP_AM_CRYPTO_SHA1_DIGEST_BUFFER_BYTE_SIZE |
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65 = EAP_AM_CRYPTO_SHA1_DIGEST_BUFFER_u32_COUNT |
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66 * sizeof(u32_t), ///< in bytes. |
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67 }; |
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68 |
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69 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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70 |
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71 /// This is pointer to the tools class. |
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72 abs_eap_am_tools_c * const m_am_tools; |
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73 |
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74 /// This buffer saves remaining data between subsequent calls |
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75 /// of hash_update(). |
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76 eap_variable_data_c m_saved_data; |
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77 |
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78 /// This attribute saves the length of hashed data. |
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79 u64_t m_full_hashed_data_length; |
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80 |
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81 /// Array of 16 temporary 32-bit unsigned integers. |
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82 u32_t m_T[EAP_AM_CRYPTO_SHA1_BLOCK_u32_COUNT]; |
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83 |
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84 |
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85 u32_t m_W_in_host_order[EAP_AM_CRYPTO_SHA1_BLOCK_u32_COUNT]; |
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86 |
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87 /// This buffer saves the digest value between subsequent call |
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88 /// of hash_update(). |
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89 u32_t m_H[EAP_AM_CRYPTO_SHA1_DIGEST_BUFFER_u32_COUNT]; |
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90 |
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91 /// This indicates whether this object was generated successfully. |
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92 bool m_is_valid; |
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93 |
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94 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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95 |
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96 inline u32_t eap_sha1_rotate( |
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97 const u32_t value, |
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98 const u32_t shift |
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99 ); |
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100 |
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101 inline u32_t eap_sha1_b_substitution( |
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102 const u32_t Wt_3, |
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103 const u32_t Wt_8, |
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104 const u32_t Wt_14, |
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105 const u32_t Wt_16 |
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106 ); |
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107 |
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108 inline u32_t eap_sha1_ft_0_19( |
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109 const u32_t B, |
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110 const u32_t C, |
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111 const u32_t D |
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112 ); |
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113 |
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114 inline u32_t eap_sha1_ft_20_39( |
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115 const u32_t B, |
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116 const u32_t C, |
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117 const u32_t D |
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118 ); |
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119 |
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120 inline u32_t eap_sha1_ft_40_59( |
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121 const u32_t B, |
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122 const u32_t C, |
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123 const u32_t D |
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124 ); |
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125 |
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126 inline u32_t eap_sha1_ft_60_79( |
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127 const u32_t B, |
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128 const u32_t C, |
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129 const u32_t D |
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130 ); |
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131 |
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132 inline void d_substitution( |
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133 u32_t * const A, |
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134 u32_t * const B, |
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135 u32_t * const C, |
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136 u32_t * const D, |
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137 u32_t * const E, |
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138 const u32_t temp |
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139 ); |
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140 |
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141 inline void d_substitution_0_15( |
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142 const u32_t t, |
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143 u32_t * const A, |
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144 u32_t * const B, |
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145 u32_t * const C, |
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146 u32_t * const D, |
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147 u32_t * const E, |
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148 const u32_t Wt |
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149 ); |
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150 |
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151 inline void d_substitution_16_19( |
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152 const u32_t t, |
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153 u32_t * const A, |
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154 u32_t * const B, |
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155 u32_t * const C, |
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156 u32_t * const D, |
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157 u32_t * const E, |
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158 u32_t * const Wt, |
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159 const u32_t Wt_3, |
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160 const u32_t Wt_8, |
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161 const u32_t Wt_14, |
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162 const u32_t Wt_16 |
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163 ); |
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164 |
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165 inline void d_substitution_20_39( |
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166 const u32_t t, |
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167 u32_t * const A, |
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168 u32_t * const B, |
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169 u32_t * const C, |
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170 u32_t * const D, |
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171 u32_t * const E, |
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172 u32_t * const Wt, |
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173 const u32_t Wt_3, |
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174 const u32_t Wt_8, |
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175 const u32_t Wt_14, |
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176 const u32_t Wt_16 |
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177 ); |
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178 |
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179 inline void d_substitution_40_59( |
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180 const u32_t t, |
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181 u32_t * const A, |
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182 u32_t * const B, |
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183 u32_t * const C, |
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184 u32_t * const D, |
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185 u32_t * const E, |
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186 u32_t * const Wt, |
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187 const u32_t Wt_3, |
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188 const u32_t Wt_8, |
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189 const u32_t Wt_14, |
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190 const u32_t Wt_16 |
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191 ); |
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192 |
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193 inline void d_substitution_60_79( |
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194 const u32_t t, |
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195 u32_t * const A, |
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196 u32_t * const B, |
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197 u32_t * const C, |
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198 u32_t * const D, |
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199 u32_t * const E, |
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200 u32_t * const Wt, |
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201 const u32_t Wt_3, |
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202 const u32_t Wt_8, |
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203 const u32_t Wt_14, |
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204 const u32_t Wt_16 |
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205 ); |
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206 |
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207 /// @param W is an array of modulo 16 input 32-bit unsigned integers |
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208 /// in host order. |
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209 /// @param W_count is count of integers in W array. |
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210 EAP_FUNC_IMPORT eap_status_e eap_sha1_process_data_host_order( |
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211 const u32_t * W, |
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212 u32_t W_count |
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213 ); |
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214 |
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215 /// @param W is an array of modulo 16 input 32-bit unsigned integers |
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216 /// in host order. |
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217 /// @param W_count is count of integers in W array. |
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218 EAP_FUNC_IMPORT eap_status_e eap_sha1_process_data_network_order( |
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219 const u32_t * W, |
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220 u32_t W_count |
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221 ); |
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222 |
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223 /** |
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224 * This function cleans up the SHA1 context. |
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225 */ |
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226 EAP_FUNC_IMPORT eap_status_e hash_cleanup(); |
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227 |
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228 /** |
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229 * This function copies the message digest to output buffer. |
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230 */ |
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231 EAP_FUNC_IMPORT eap_status_e copy_message_digest( |
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232 void * const output, |
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233 u32_t * const max_output_size); |
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234 |
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235 |
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236 /** |
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237 * The set_is_invalid() function sets the state of the eap_am_crypto_md4_c |
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238 * object invalid. |
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239 * The eap_am_crypto_md4_c object calls this function after it is |
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240 * initialized. |
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241 */ |
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242 EAP_FUNC_IMPORT void set_is_invalid(); |
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243 |
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244 /** |
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245 * The set_is_valid() function sets the state of the eap_am_crypto_md4_c |
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246 * object valid. |
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247 * The eap_am_crypto_md4_c object calls this function after it is |
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248 * initialized. |
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249 */ |
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250 EAP_FUNC_IMPORT void set_is_valid(); |
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251 |
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252 /** |
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253 * This function copies the context of SHA1. |
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254 */ |
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255 EAP_FUNC_IMPORT eap_status_e copy_context( |
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256 const eap_variable_data_c * const saved_data, |
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257 const u64_t full_hashed_data_length, |
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258 const u32_t * const H, |
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259 const u32_t * const T, |
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260 const u32_t * const W_in_host_order); |
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261 |
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262 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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263 public: |
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264 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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265 |
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266 /** |
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267 * Destructor does nothing special. |
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268 */ |
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269 EAP_FUNC_IMPORT virtual ~eap_am_crypto_sha1_c(); |
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270 |
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271 /** |
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272 * Constructor initializes the member attributes. |
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273 */ |
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274 EAP_FUNC_IMPORT eap_am_crypto_sha1_c(abs_eap_am_tools_c * const tools); |
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275 |
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276 /** |
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277 * The get_is_valid() function returns the status of the |
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278 * eap_am_crypto_md4_c object. |
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279 * True indicates the object is allocated successfully. |
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280 */ |
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281 EAP_FUNC_IMPORT bool get_is_valid(); |
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282 |
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283 /** |
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284 * This function returns the size of message digest of HASH-algorithm. |
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285 */ |
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286 EAP_FUNC_IMPORT u32_t get_digest_length(); |
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287 |
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288 /** |
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289 * This function returns the size of block of HASH-algorithm. |
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290 */ |
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291 EAP_FUNC_IMPORT u32_t get_block_size(); |
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292 |
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293 /** |
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294 * This function initializes the context of SHA1-algorithm. |
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295 */ |
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296 EAP_FUNC_IMPORT eap_status_e hash_init(); |
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297 |
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298 /** |
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299 * This function updates the context of SHA1-algorithm with data. |
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300 */ |
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301 EAP_FUNC_IMPORT eap_status_e hash_update( |
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302 const void * const data, |
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303 const u32_t data_length); |
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304 |
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305 /** |
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306 * This function writes the message digest to buffer. |
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307 * @param Length is set if md_length_or_null is non-NULL. |
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308 */ |
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309 EAP_FUNC_IMPORT eap_status_e hash_final( |
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310 void * const message_digest, |
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311 u32_t *md_length_or_null); |
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312 |
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313 /** |
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314 * |
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315 * eap_sha1_dss_G_function() implements the G() function using |
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316 * modified SHA-1 using the routine in Appendix 3.3 Constructing |
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317 * The Function G From SHA-1 in the SECURE HASH STANDARD, FIPS PUB 180-1. |
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318 */ |
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319 EAP_FUNC_IMPORT eap_status_e eap_sha1_dss_G_function( |
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320 const void * const data, |
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321 const u32_t data_length, |
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322 void * const output, |
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323 u32_t * const output_length |
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324 ); |
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325 |
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326 /** |
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327 * This function copies the context of SHA1. |
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328 */ |
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329 EAP_FUNC_IMPORT eap_am_crypto_sha1_c * copy(); |
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330 |
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331 }; |
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332 |
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333 //-------------------------------------------------- |
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334 |
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335 #endif //#if !defined( _EAP_AM_CRYPTO_OPENSSL_H_ ) |
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336 |
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337 |
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338 |
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339 // End. |