1 | /* $FreeBSD: src/sys/crypto/sha2/sha2.h,v 1.1.2.1 2001/07/03 11:01:36 ume Exp $ */
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2 | /* $KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $ */
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3 |
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4 | /*
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5 | * sha2.h
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6 | *
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7 | * Version 1.0.0beta1
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8 | *
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9 | * Written by Aaron D. Gifford <me@aarongifford.com>
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10 | *
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11 | * Copyright 2000 Aaron D. Gifford. All rights reserved.
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12 | *
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13 | * Redistribution and use in source and binary forms, with or without
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14 | * modification, are permitted provided that the following conditions
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15 | * are met:
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16 | * 1. Redistributions of source code must retain the above copyright
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17 | * notice, this list of conditions and the following disclaimer.
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18 | * 2. Redistributions in binary form must reproduce the above copyright
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19 | * notice, this list of conditions and the following disclaimer in the
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20 | * documentation and/or other materials provided with the distribution.
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21 | * 3. Neither the name of the copyright holder nor the names of contributors
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22 | * may be used to endorse or promote products derived from this software
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23 | * without specific prior written permission.
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24 | *
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25 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND
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26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE
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29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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35 | * SUCH DAMAGE.
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36 | *
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37 | */
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38 |
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39 | #ifndef __SHA2_H__
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40 | #define __SHA2_H__
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41 |
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42 | #ifdef __cplusplus
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43 | extern "C" {
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44 | #endif
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45 |
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46 |
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47 | /*** SHA-256/384/512 Various Length Definitions ***********************/
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48 | #define SHA256_BLOCK_LENGTH 64
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49 | #define SHA256_DIGEST_LENGTH 32
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50 | #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
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51 | #define SHA384_BLOCK_LENGTH 128
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52 | #define SHA384_DIGEST_LENGTH 48
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53 | #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
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54 | #define SHA512_BLOCK_LENGTH 128
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55 | #define SHA512_DIGEST_LENGTH 64
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56 | #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
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57 |
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58 | #ifdef __minix
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59 | #include <assert.h>
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60 | #include <string.h>
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61 | #include <sys/types.h>
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62 | #include <minix/u64.h>
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63 |
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64 | typedef u8_t u_int8_t; /* 1-byte (8-bits) */
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65 | typedef u32_t u_int32_t; /* 4-bytes (32-bits) */
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66 | typedef u64_t u_int64_t; /* 8-bytes (64-bits) */
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67 |
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68 | #ifndef __P
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69 | #define __P(x) x
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70 | #endif
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71 |
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72 | #define NO_64BIT 1
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73 | #define MINIX_64BIT 1
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74 |
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75 | #define SHA2_BYTE_ORDER 0x04030201
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76 | #define SHA2_LITTLE_ENDIAN 0x04030201
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77 | #define SHA2_BIG_ENDIAN 0x01020204
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78 | #define bcopy(s,d,l) (memmove((d),(s),(l)))
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79 | #define bzero(d,l) (memset((d),'\0',(l)))
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80 | #endif
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81 |
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82 | /*** SHA-256/384/512 Context Structures *******************************/
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83 | /* NOTE: If your architecture does not define either u_intXX_t types or
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84 | * uintXX_t (from inttypes.h), you may need to define things by hand
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85 | * for your system:
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86 | */
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87 | #if 0
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88 | typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
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89 | typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
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90 | typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
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91 | #endif
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92 | /*
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93 | * Most BSD systems already define u_intXX_t types, as does Linux.
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94 | * Some systems, however, like Compaq's Tru64 Unix instead can use
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95 | * uintXX_t types defined by very recent ANSI C standards and included
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96 | * in the file:
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97 | *
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98 | * #include <inttypes.h>
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99 | *
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100 | * If you choose to use <inttypes.h> then please define:
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101 | *
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102 | * #define SHA2_USE_INTTYPES_H
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103 | *
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104 | * Or on the command line during compile:
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105 | *
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106 | * cc -DSHA2_USE_INTTYPES_H ...
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107 | */
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108 | #if 0 /*def SHA2_USE_INTTYPES_H*/
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109 |
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110 | typedef struct _SHA256_CTX {
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111 | uint32_t state[8];
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112 | uint64_t bitcount;
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113 | uint8_t buffer[SHA256_BLOCK_LENGTH];
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114 | } SHA256_CTX;
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115 | typedef struct _SHA512_CTX {
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116 | uint64_t state[8];
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117 | uint64_t bitcount[2];
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118 | uint8_t buffer[SHA512_BLOCK_LENGTH];
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119 | } SHA512_CTX;
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120 |
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121 | #else /* SHA2_USE_INTTYPES_H */
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122 |
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123 | typedef struct _SHA256_CTX {
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124 | u_int32_t state[8];
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125 | u_int64_t bitcount;
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126 | u_int8_t buffer[SHA256_BLOCK_LENGTH];
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127 | } SHA256_CTX;
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128 | typedef struct _SHA512_CTX {
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129 | u_int64_t state[8];
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130 | u_int64_t bitcount[2];
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131 | u_int8_t buffer[SHA512_BLOCK_LENGTH];
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132 | } SHA512_CTX;
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133 |
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134 | #endif /* SHA2_USE_INTTYPES_H */
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135 |
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136 | typedef SHA512_CTX SHA384_CTX;
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137 |
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138 |
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139 | /*** SHA-256/384/512 Function Prototypes ******************************/
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140 |
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141 | void SHA256_Init __P((SHA256_CTX *));
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142 | void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t));
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143 | void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*));
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144 | char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]));
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145 | char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));
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146 |
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147 | void SHA384_Init __P((SHA384_CTX*));
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148 | void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t));
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149 | void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));
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150 | char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));
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151 | char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));
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152 |
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153 | void SHA512_Init __P((SHA512_CTX*));
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154 | void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));
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155 | void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
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156 | char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
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157 | char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
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158 |
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159 | #ifdef __cplusplus
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160 | }
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161 | #endif /* __cplusplus */
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162 |
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163 | #endif /* __SHA2_H__ */
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164 |
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165 |
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166 | /*
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167 | * $PchId: sha2.h,v 1.1 2005/06/28 14:29:33 philip Exp $
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168 | */
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