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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2021 09:52:15 -0500
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children 796f54d4ddbf
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2016-2021 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
21889
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <algorithm>
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31 #include <iomanip>
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32 #include <sstream>
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33 #include <string>
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34
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35 #include "hash-wrappers.h"
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36 #include "lo-error.h"
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37 #include "lo-hash.h"
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38 #include "oct-locbuf.h"
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39
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40 namespace octave
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41 {
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42 namespace crypto
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43 {
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44 std::string
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45 hash (hash_fptr hash_fcn, const std::string& str, int result_buf_len)
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46 {
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47 OCTAVE_LOCAL_BUFFER (unsigned char, result_buf, result_buf_len);
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48
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49 hash_fcn (str.data (), str.length (), result_buf);
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50
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51 std::ostringstream buf;
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52
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53 for (int i = 0; i < result_buf_len; i++)
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54 buf << std::hex << std::setw (2) << std::setfill ('0')
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55 << (result_buf[i] & 0xFF);
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56
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57 return buf.str ();
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58 }
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59
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60 int md2_digest_size (void) { return octave_md2_digest_size (); }
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61 int md4_digest_size (void) { return octave_md4_digest_size (); }
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62 int md5_digest_size (void) { return octave_md5_digest_size (); }
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63 int sha1_digest_size (void) { return octave_sha1_digest_size (); }
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64 int sha224_digest_size (void) { return octave_sha224_digest_size (); }
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65 int sha256_digest_size (void) { return octave_sha256_digest_size (); }
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66 int sha384_digest_size (void) { return octave_sha384_digest_size (); }
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67 int sha512_digest_size (void) { return octave_sha512_digest_size (); }
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68
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69 std::string
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70 md2_hash (const std::string& str)
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71 {
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72 return hash (octave_md2_buffer_wrapper, str, md2_digest_size ());
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73 }
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74
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75 std::string
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76 md4_hash (const std::string& str)
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77 {
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78 return hash (octave_md4_buffer_wrapper, str, md4_digest_size ());
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79 }
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80
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81 std::string
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82 md5_hash (const std::string& str)
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83 {
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84 return hash (octave_md5_buffer_wrapper, str, md5_digest_size ());
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85 }
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86
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87 std::string
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88 sha1_hash (const std::string& str)
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89 {
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90 return hash (octave_sha1_buffer_wrapper, str, sha1_digest_size ());
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91 }
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92
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93 std::string
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94 sha224_hash (const std::string& str)
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95 {
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96 return hash (octave_sha224_buffer_wrapper, str, sha224_digest_size ());
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97 }
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98
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99 std::string
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100 sha256_hash (const std::string& str)
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101 {
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102 return hash (octave_sha256_buffer_wrapper, str, sha256_digest_size ());
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103 }
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104
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105 std::string
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106 sha384_hash (const std::string& str)
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107 {
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108 return hash (octave_sha384_buffer_wrapper, str, sha384_digest_size ());
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109 }
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110
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111 std::string
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112 sha512_hash (const std::string& str)
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113 {
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114 return hash (octave_sha512_buffer_wrapper, str, sha512_digest_size ());
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115 }
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116
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117 std::string
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118 hash (const std::string& hash_type, const std::string& str)
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119 {
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120 std::string ht = hash_type;
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121
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122 std::transform (ht.begin (), ht.end (), ht.begin (), ::toupper);
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123
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124 if (ht == "MD2")
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125 return md2_hash (str);
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126 else if (ht == "MD4")
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127 return md4_hash (str);
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128 else if (ht == "MD5")
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129 return md5_hash (str);
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130 else if (ht == "SHA1")
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131 return sha1_hash (str);
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132 else if (ht == "SHA224")
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133 return sha224_hash (str);
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134 else if (ht == "SHA256")
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135 return sha256_hash (str);
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136 else if (ht == "SHA384")
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137 return sha384_hash (str);
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138 else if (ht == "SHA512")
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139 return sha512_hash (str);
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140 else
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141 (*current_liboctave_error_handler)
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142 ("hash function '%s' not supported", hash_type.c_str ());
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143 }
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144 }
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145 }