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2 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * UUID utils for PHP |
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15 | daniel-mar | 5 | * Copyright 2011 - 2023 Daniel Marschall, ViaThinkSoft |
75 | daniel-mar | 6 | * Version 2023-10-06 |
2 | daniel-mar | 7 | * |
8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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9 | * you may not use this file except in compliance with the License. |
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10 | * You may obtain a copy of the License at |
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11 | * |
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12 | * http://www.apache.org/licenses/LICENSE-2.0 |
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13 | * |
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14 | * Unless required by applicable law or agreed to in writing, software |
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15 | * distributed under the License is distributed on an "AS IS" BASIS, |
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16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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17 | * See the License for the specific language governing permissions and |
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18 | * limitations under the License. |
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19 | */ |
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20 | |||
21 | # This library requires either the GMP extension (or BCMath if gmp_supplement.inc.php is present) |
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38 | daniel-mar | 22 | // TODO: If we are on 64 bit PHP (PHP_INT_SIZE > 4), then replace GMP with normal PHP operations |
2 | daniel-mar | 23 | |
45 | daniel-mar | 24 | if (file_exists($f = __DIR__ . '/mac_utils.inc.php')) include_once $f; |
25 | else if (file_exists($f = __DIR__ . '/mac_utils.inc.phps')) include_once $f; |
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42 | daniel-mar | 26 | |
45 | daniel-mar | 27 | if (file_exists($f = __DIR__ . '/gmp_supplement.inc.php')) include_once $f; |
28 | else if (file_exists($f = __DIR__ . '/gmp_supplement.inc.phps')) include_once $f; |
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2 | daniel-mar | 29 | |
47 | daniel-mar | 30 | if (file_exists($f = __DIR__ . '/OidDerConverter.class.php')) include_once $f; |
31 | else if (file_exists($f = __DIR__ . '/OidDerConverter.class.phps')) include_once $f; |
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45 | daniel-mar | 32 | |
64 | daniel-mar | 33 | // Note: The RFC allows various notations as payload, not a strict notation constraint |
34 | const UUID_NAMEBASED_NS_DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; |
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31 | daniel-mar | 35 | const UUID_NAMEBASED_NS_URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; |
36 | const UUID_NAMEBASED_NS_OID = '6ba7b812-9dad-11d1-80b4-00c04fd430c8'; |
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64 | daniel-mar | 37 | const UUID_NAMEBASED_NS_X500_DN = '6ba7b814-9dad-11d1-80b4-00c04fd430c8'; |
2 | daniel-mar | 38 | |
41 | daniel-mar | 39 | if (!function_exists('_random_int')) { |
40 | function _random_int($min, $max) { |
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41 | // This function tries a CSRNG and falls back to a RNG if no CSRNG is available |
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42 | try { |
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43 | return random_int($min, $max); |
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44 | } catch (Exception $e) { |
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45 | return mt_rand($min, $max); |
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46 | } |
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24 | daniel-mar | 47 | } |
48 | } |
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49 | |||
2 | daniel-mar | 50 | function uuid_valid($uuid) { |
51 | $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
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52 | $uuid = strtoupper($uuid); |
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53 | #$uuid = trim($uuid); |
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54 | |||
55 | if (strlen($uuid) != 32) return false; |
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56 | |||
29 | daniel-mar | 57 | $uuid = preg_replace('@[0-9A-F]@i', '', $uuid); |
2 | daniel-mar | 58 | |
59 | return ($uuid == ''); |
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60 | } |
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61 | |||
59 | daniel-mar | 62 | function uuid_equal($uuid1, $uuid2) { |
63 | $uuid1 = uuid_canonize($uuid1); |
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64 | if (!$uuid1) return false; |
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65 | $uuid2 = uuid_canonize($uuid2); |
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66 | if (!$uuid2) return false; |
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67 | return $uuid1 === $uuid2; |
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68 | } |
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69 | |||
46 | daniel-mar | 70 | function uuid_version($uuid) { |
71 | $uuid = uuid_canonize($uuid); |
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72 | if (!$uuid) return false; |
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73 | return substr($uuid, 19, 1); |
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74 | } |
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75 | |||
28 | daniel-mar | 76 | function uuid_info($uuid, $echo=true) { |
2 | daniel-mar | 77 | if (!uuid_valid($uuid)) return false; |
78 | |||
45 | daniel-mar | 79 | $oid = uuid_to_oid($uuid); |
80 | |||
81 | echo sprintf("%-32s %s\n", "Your input:", $uuid); |
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82 | echo "\n"; |
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83 | echo "<u>Various notations:</u>\n"; |
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84 | echo "\n"; |
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85 | echo sprintf("%-32s %s\n", "URN:", 'urn:uuid:' . strtolower(oid_to_uuid(uuid_to_oid($uuid)))); |
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86 | echo sprintf("%-32s %s\n", "URI:", 'uuid:' . strtolower(oid_to_uuid(uuid_to_oid($uuid)))); |
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87 | echo sprintf("%-32s %s\n", "Microsoft GUID syntax:", '{' . strtoupper(oid_to_uuid(uuid_to_oid($uuid))) . '}'); |
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88 | echo sprintf("%-32s %s\n", "C++ struct syntax:", uuid_c_syntax($uuid)); |
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89 | echo "\n"; |
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90 | echo sprintf("%-32s %s\n", "As OID:", $oid); |
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91 | if (class_exists('OidDerConverter')) { |
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92 | echo sprintf("%-32s %s\n", "DER encoding of OID:", OidDerConverter::hexarrayToStr(OidDerConverter::oidToDER($oid))); |
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93 | } |
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94 | echo "\n"; |
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48 | daniel-mar | 95 | echo "<u>Interpretation of the UUID:</u>\n\n"; |
45 | daniel-mar | 96 | |
28 | daniel-mar | 97 | if (!$echo) ob_start(); |
98 | |||
2 | daniel-mar | 99 | #$uuid = trim($uuid); |
100 | # $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
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29 | daniel-mar | 101 | $uuid = strtolower($uuid); |
102 | $uuid = preg_replace('@[^0-9A-F]@i', '', $uuid); |
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2 | daniel-mar | 103 | |
104 | $x = hexdec(substr($uuid, 16, 1)); |
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28 | daniel-mar | 105 | if ($x >= 14 /* 0b1110 */) $variant = 3; |
106 | else if ($x >= 12 /* 0b110_ */) $variant = 2; |
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107 | else if ($x >= 8 /* 0b10__ */) $variant = 1; |
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108 | else if ($x >= 0 /* 0b0___ */) $variant = 0; |
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2 | daniel-mar | 109 | else $variant = -1; // should not happen |
110 | |||
35 | daniel-mar | 111 | if ($uuid == '00000000000000000000000000000000') { |
112 | echo sprintf("%-32s %s\n", "Special Use:", "Nil UUID"); |
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113 | echo "\n"; |
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114 | } |
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115 | else if ($uuid == 'ffffffffffffffffffffffffffffffff') { |
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116 | echo sprintf("%-32s %s\n", "Special Use:", "Max UUID"); |
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117 | echo "\n"; |
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118 | } |
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119 | |||
2 | daniel-mar | 120 | switch ($variant) { |
121 | case 0: |
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33 | daniel-mar | 122 | echo sprintf("%-32s %s\n", "Variant:", "[0b0__] Network Computing System (NCS)"); |
2 | daniel-mar | 123 | |
124 | /* |
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125 | * Internal structure of variant #0 UUIDs |
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126 | * |
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127 | * The first 6 octets are the number of 4 usec units of time that have |
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128 | * passed since 1/1/80 0000 GMT. The next 2 octets are reserved for |
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129 | * future use. The next octet is an address family. The next 7 octets |
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130 | * are a host ID in the form allowed by the specified address family. |
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131 | * |
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132 | * Note that while the family field (octet 8) was originally conceived |
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133 | * of as being able to hold values in the range [0..255], only [0..13] |
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134 | * were ever used. Thus, the 2 MSB of this field are always 0 and are |
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135 | * used to distinguish old and current UUID forms. |
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136 | */ |
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137 | |||
28 | daniel-mar | 138 | /* |
139 | Variant 0 UUID |
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140 | - 32 bit High Time |
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141 | - 16 bit Low Time |
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142 | - 16 bit Reserved |
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29 | daniel-mar | 143 | - 1 bit Variant (fix 0b0) |
28 | daniel-mar | 144 | - 7 bit Family |
145 | - 56 bit Node |
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146 | */ |
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147 | |||
2 | daniel-mar | 148 | // Example of an UUID: 333a2276-0000-0000-0d00-00809c000000 |
149 | |||
35 | daniel-mar | 150 | // TODO: also show legacy format, e.g. 458487b55160.02.c0.64.02.03.00.00.00 |
151 | |||
28 | daniel-mar | 152 | # see also some notes at See https://github.com/cjsv/uuid/blob/master/Doc |
2 | daniel-mar | 153 | |
29 | daniel-mar | 154 | /* |
155 | NOTE: A generator is not possible, because there are no timestamps left! |
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156 | The last possible timestamp was: |
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30 | daniel-mar | 157 | [0xFFFFFFFFFFFF] 2015-09-05 05:58:26'210655 GMT |
29 | daniel-mar | 158 | That is in the following UUID: |
159 | ffffffff-ffff-0000-027f-000001000000 |
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160 | Current timestamp generator: |
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161 | echo dechex(round((microtime(true)+315532800)*250000)); |
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162 | */ |
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27 | daniel-mar | 163 | |
2 | daniel-mar | 164 | # Timestamp: Count of 4us intervals since 01 Jan 1980 00:00:00 GMT |
165 | # 1/0,000004 = 250000 |
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166 | # Seconds between 1970 and 1980 : 315532800 |
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167 | # 250000*315532800=78883200000000 |
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168 | $timestamp = substr($uuid, 0, 12); |
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169 | $ts = gmp_init($timestamp, 16); |
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30 | daniel-mar | 170 | $ts = gmp_add($ts, gmp_init("78883200000000", 10)); |
171 | $ms = gmp_mod($ts, gmp_init("250000", 10)); |
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172 | $ts = gmp_div($ts, gmp_init("250000", 10)); |
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173 | $ts = gmp_strval($ts, 10); |
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174 | $ms = gmp_strval($ms, 10); |
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175 | $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 6/*us*/, '0', STR_PAD_LEFT).' GMT'; |
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25 | daniel-mar | 176 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
2 | daniel-mar | 177 | |
178 | $reserved = substr($uuid, 12, 4); |
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27 | daniel-mar | 179 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$reserved]"); |
2 | daniel-mar | 180 | |
181 | $family_hex = substr($uuid, 16, 2); |
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182 | $family_dec = hexdec($family_hex); |
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28 | daniel-mar | 183 | $nodeid_hex = substr($uuid, 18, 14); |
184 | $nodeid_dec = hexdec($nodeid_hex); |
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37 | daniel-mar | 185 | |
186 | // Sources: |
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187 | // - https://bitsavers.org/pdf/ibm/rs6000/aix_3.0/SC23-2206-0_AIX_Version_3_for_RS6000_Communications_Programming_Concepts_199003.pdf |
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188 | // - (For comparison) https://github.com/uuid6/uuid6-ietf-draft/issues/26#issuecomment-1062164457 |
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189 | // - (For comparison) https://learn.microsoft.com/en-us/dotnet/api/system.net.sockets.addressfamily?view=net-7.0 [numbers 0..13 are mostly identical] |
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190 | |||
36 | daniel-mar | 191 | if ($family_dec == 0) { |
37 | daniel-mar | 192 | # Microsoft's AdressFamily: Unspecified 0 Unspecified address family. |
193 | # AIX 3.0 Manual: 0 unspec = Unspecified |
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194 | $family_name = 'socket_$unspec (Unspecified)'; |
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36 | daniel-mar | 195 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
196 | } |
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197 | else if ($family_dec == 1) { |
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37 | daniel-mar | 198 | # Microsoft's AdressFamily: Unix 1 Unix local to host address. |
199 | # AIX 3.0 Manual: 1 unix = Local to host (pipes, portals) |
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200 | $family_name = 'socket_$unix (Local to host, e.g. pipes, portals)'; |
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36 | daniel-mar | 201 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
202 | } |
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203 | else if ($family_dec == 2) { |
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37 | daniel-mar | 204 | # Microsoft's AdressFamily: InterNetwork 2 Address for IP version 4. |
205 | # AIX 3.0 Manual: 2 ip = Internet Protocols |
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40 | daniel-mar | 206 | $family_name = 'socket_$internet (Internet Protocols, e.g. IPv4)'; |
28 | daniel-mar | 207 | // https://www.ibm.com/docs/en/aix/7.1?topic=u-uuid-gen-command-ncs (AIX 7.1) shows the following example output for /etc/ncs/uuid_gen -P |
208 | // := [ |
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209 | // time_high := 16#458487df, |
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210 | // time_low := 16#9fb2, |
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211 | // reserved := 16#000, |
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212 | // family := chr(16#02), |
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213 | // host := [chr(16#c0), chr(16#64), chr(16#02), chr(16#03), |
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214 | // chr(16#00), chr(16#00), chr(16#00)] |
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215 | // ] |
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216 | // This means that the IP address is 32 bits hex, and 32 bits are unused |
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217 | $nodeid_desc = hexdec(substr($nodeid_hex,0,2)).'.'. |
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218 | hexdec(substr($nodeid_hex,2,2)).'.'. |
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219 | hexdec(substr($nodeid_hex,4,2)).'.'. |
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220 | hexdec(substr($nodeid_hex,6,2)); |
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221 | $rest = substr($nodeid_hex,8,6); |
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222 | if ($rest != '000000') $nodeid_desc .= " + unexpected rest 0x$rest"; |
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36 | daniel-mar | 223 | } |
224 | else if ($family_dec == 3) { |
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37 | daniel-mar | 225 | # Microsoft's AdressFamily: ImpLink 3 ARPANET IMP address. |
226 | # AIX 3.0 Manual: 3 implink = ARPANET imp addresses |
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227 | $family_name = 'socket_$implink (ARPANET imp addresses)'; |
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36 | daniel-mar | 228 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
229 | } |
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230 | else if ($family_dec == 4) { |
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37 | daniel-mar | 231 | # Microsoft's AdressFamily: Pup 4 Address for PUP protocols. |
232 | # AIX 3.0 Manual: 4 pup = Pup protocols (for example, BSP) |
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233 | $family_name = 'socket_$pup (Pup protocols, e.g. BSP)'; |
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36 | daniel-mar | 234 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
235 | } |
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236 | else if ($family_dec == 5) { |
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37 | daniel-mar | 237 | # Microsoft's AdressFamily: Chaos 5 Address for MIT CHAOS protocols. |
238 | # AIX 3.0 Manual: 5 chaos = MIT CHAOS protocols |
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239 | $family_name = 'socket_$chaos (MIT CHAOS protocols)'; |
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36 | daniel-mar | 240 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
241 | } |
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242 | else if ($family_dec == 6) { |
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37 | daniel-mar | 243 | # Microsoft's AdressFamily: NS 6 Address for Xerox NS protocols. |
244 | # Microsoft's AdressFamily: Ipx 6 IPX or SPX address. |
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245 | # AIX 3.0 Manual: 6 ns = XEROX NS protocols |
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246 | $family_name = 'socket_$ns (XEROX NS protocols)'; |
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36 | daniel-mar | 247 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
248 | } |
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249 | else if ($family_dec == 7) { |
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37 | daniel-mar | 250 | # Microsoft's AdressFamily: Osi 7 Address for OSI protocols. |
251 | # Microsoft's AdressFamily: Iso 7 Address for ISO protocols. |
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252 | # AIX 3.0 Manual: 7 nbs = NBS protocols |
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253 | $family_name = 'socket_$nbs (NBS protocols)'; |
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36 | daniel-mar | 254 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
255 | } |
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256 | else if ($family_dec == 8) { |
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37 | daniel-mar | 257 | # Microsoft's AdressFamily: Ecma 8 European Computer Manufacturers Association (ECMA) address. |
258 | # AIX 3.0 Manual: 8 ecma = European computer manufacturers |
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259 | $family_name = 'socket_$ecma (European computer manufacturers protocols)'; |
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36 | daniel-mar | 260 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
261 | } |
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262 | else if ($family_dec == 9) { |
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37 | daniel-mar | 263 | # Microsoft's AdressFamily: DataKit 9 Address for Datakit protocols. |
264 | # AIX 3.0 Manual: 9 datakit = Datakit protocols |
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265 | $family_name = 'socket_$datakit (Datakit protocols)'; |
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36 | daniel-mar | 266 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
267 | } |
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268 | else if ($family_dec == 10) { |
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37 | daniel-mar | 269 | # Microsoft's AdressFamily: Ccitt 10 Addresses for CCITT protocols, such as X.25. |
270 | # AIX 3.0 Manual: A ccitt = CCITT protocols (for example, X.25) |
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271 | $family_name = 'socket_$ccitt (CCITT protocols, e.g. X.25)'; |
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36 | daniel-mar | 272 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
273 | } |
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274 | else if ($family_dec == 11) { |
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37 | daniel-mar | 275 | # Microsoft's AdressFamily: Sna 11 IBM SNA address. |
276 | # AIX 3.0 Manual: B sna = IBM SNA |
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277 | $family_name = 'socket_$sna (IBM SNA)'; |
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36 | daniel-mar | 278 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
279 | } |
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280 | else if ($family_dec == 12) { |
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37 | daniel-mar | 281 | # Microsoft's AdressFamily: DecNet 12 DECnet address. |
282 | # AIX 3.0 Manual: C unspec2 = Unspecified |
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283 | $family_name = 'socket_$unspec2 (Unspecified)'; |
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36 | daniel-mar | 284 | $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
285 | } |
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286 | else if ($family_dec == 13) { |
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37 | daniel-mar | 287 | # Microsoft's AdressFamily: DataLink 13 Direct data-link interface address. |
288 | # AIX 3.0 Manual: D dds = Domain DDS protocol |
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289 | # Some also call this "Data Link" ... Is that correct? |
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290 | $family_name = 'socket_$dds (Domain DDS protocol)'; |
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28 | daniel-mar | 291 | // https://www.ibm.com/docs/en/aix/7.1?topic=u-uuid-gen-command-ncs (AIX 7.1) shows the following example output for /etc/ncs/uuid_gen -C |
292 | // = { 0x34dc23af, |
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293 | // 0xf000, |
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294 | // 0x0000, |
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295 | // 0x0d, |
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296 | // {0x00, 0x00, 0x7c, 0x5f, 0x00, 0x00, 0x00} }; |
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297 | // https://github.com/cjsv/uuid/blob/master/Doc writes: |
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298 | // "Family 13 (dds) looks like node is 00 | nnnnnn 000000." |
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299 | |||
300 | $nodeid_desc = ''; |
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301 | |||
302 | $start = substr($nodeid_hex,0,2); |
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303 | if ($start != '00') $nodeid_desc .= "unexpected start 0x$start + "; |
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304 | |||
305 | $nodeid_desc .= ($nodeid_dec >> 24) & 0xFFFFFF; |
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306 | |||
307 | $rest = substr($nodeid_hex,8,6); |
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308 | if ($rest != '000000') $nodeid_desc .= " + unexpected rest 0x$rest"; |
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2 | daniel-mar | 309 | } else { |
29 | daniel-mar | 310 | $family_name = "Unknown (Family $family_dec)"; # There are probably no more families |
311 | $nodeid_desc = "Unknown"; |
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2 | daniel-mar | 312 | } |
29 | daniel-mar | 313 | echo sprintf("%-32s %s\n", "Family:", "[0x$family_hex] $family_name"); |
2 | daniel-mar | 314 | |
28 | daniel-mar | 315 | echo sprintf("%-32s %s\n", "Node ID:", "[0x$nodeid_hex] $nodeid_desc"); |
2 | daniel-mar | 316 | |
317 | break; |
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318 | case 1: |
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35 | daniel-mar | 319 | // TODO: Show byte order: 00112233-4455-6677-8899-aabbccddeeff => 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff |
320 | |||
30 | daniel-mar | 321 | $version = hexdec(substr($uuid, 12, 1)); |
2 | daniel-mar | 322 | |
30 | daniel-mar | 323 | if ($version <= 2) { |
324 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1"); |
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325 | } else if (($version >= 3) && ($version <= 5)) { |
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326 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz)"); |
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327 | } else if (($version >= 6) && ($version <= 8)) { |
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66 | daniel-mar | 328 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC draft-ietf-uuidrev-rfc4122bis (Davis-Peabody-Leach)"); // TODO: When new RFC is published, replace the RFC number |
30 | daniel-mar | 329 | } else { |
66 | daniel-mar | 330 | echo sprintf("%-32s %s\n", "Variant:", "[0b10_] Unknown RFC"); |
30 | daniel-mar | 331 | } |
332 | |||
2 | daniel-mar | 333 | switch ($version) { |
29 | daniel-mar | 334 | case 6: |
335 | /* |
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336 | Variant 1, Version 6 UUID |
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337 | - 48 bit High Time |
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338 | - 4 bit Version (fix 0x6) |
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339 | - 12 bit Low Time |
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340 | - 2 bit Variant (fix 0b10) |
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35 | daniel-mar | 341 | - 6 bit Clock Sequence High |
342 | - 8 bit Clock Sequence Low |
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29 | daniel-mar | 343 | - 48 bit MAC Address |
344 | */ |
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47 | daniel-mar | 345 | echo sprintf("%-32s %s\n", "Version:", "[0x6] Reordered Time-Based"); |
29 | daniel-mar | 346 | $uuid = substr($uuid, 0, 8).'-'. |
347 | substr($uuid, 8, 4).'-'. |
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348 | substr($uuid, 12, 4).'-'. |
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349 | substr($uuid, 16, 4).'-'. |
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350 | substr($uuid, 20, 12); |
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351 | $uuid = uuid6_to_uuid1($uuid); |
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352 | $uuid = str_replace('-', '', $uuid); |
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353 | |||
354 | /* fallthrough */ |
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2 | daniel-mar | 355 | case 1: |
27 | daniel-mar | 356 | /* |
357 | Variant 1, Version 1 UUID |
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358 | - 32 bit Low Time |
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359 | - 16 bit Mid Time |
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360 | - 4 bit Version (fix 0x1) |
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361 | - 12 bit High Time |
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28 | daniel-mar | 362 | - 2 bit Variant (fix 0b10) |
35 | daniel-mar | 363 | - 6 bit Clock Sequence High |
364 | - 8 bit Clock Sequence Low |
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27 | daniel-mar | 365 | - 48 bit MAC Address |
366 | */ |
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367 | |||
47 | daniel-mar | 368 | if ($version == 1) echo sprintf("%-32s %s\n", "Version:", "[0x1] Time-based with unique host identifier"); |
2 | daniel-mar | 369 | |
370 | # Timestamp: Count of 100ns intervals since 15 Oct 1582 00:00:00 |
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371 | # 1/0,0000001 = 10000000 |
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372 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).substr($uuid, 0, 8); |
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373 | $ts = gmp_init($timestamp, 16); |
||
30 | daniel-mar | 374 | $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
375 | $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
||
376 | $ts = gmp_div($ts, gmp_init("10000000", 10)); |
||
377 | $ts = gmp_strval($ts, 10); |
||
378 | $ms = gmp_strval($ms, 10); |
||
379 | $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
||
25 | daniel-mar | 380 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
2 | daniel-mar | 381 | |
382 | $x = hexdec(substr($uuid, 16, 4)); |
||
383 | $dec = $x & 0x3FFF; // The highest 2 bits are used by "variant" (10x) |
||
384 | $hex = substr($uuid, 16, 4); |
||
44 | daniel-mar | 385 | $hex = '<abbr title="The highest 2 bits are used by the UUID variant (10xx)">'.$hex[0].'</abbr>'.substr($hex,1); |
25 | daniel-mar | 386 | echo sprintf("%-32s %s\n", "Clock ID:", "[0x$hex] $dec"); |
2 | daniel-mar | 387 | |
388 | $x = substr($uuid, 20, 12); |
||
389 | $nodeid = ''; |
||
390 | for ($i=0; $i<6; $i++) { |
||
391 | $nodeid .= substr($x, $i*2, 2); |
||
25 | daniel-mar | 392 | if ($i != 5) $nodeid .= '-'; |
2 | daniel-mar | 393 | } |
30 | daniel-mar | 394 | $nodeid = strtoupper($nodeid); |
27 | daniel-mar | 395 | echo sprintf("%-32s %s\n", "Node ID:", "[0x$x] $nodeid"); |
2 | daniel-mar | 396 | |
43 | daniel-mar | 397 | echo "\n<u>In case that this Node ID is a MAC address, here is the interpretation of that MAC address:</u>\n\n"; |
42 | daniel-mar | 398 | decode_mac(strtoupper($nodeid)); |
2 | daniel-mar | 399 | |
400 | break; |
||
401 | case 2: |
||
27 | daniel-mar | 402 | /* |
403 | Variant 1, Version 2 UUID |
||
404 | - 32 bit Local Domain Number |
||
405 | - 16 bit Mid Time |
||
406 | - 4 bit Version (fix 0x2) |
||
407 | - 12 bit High Time |
||
28 | daniel-mar | 408 | - 2 bit Variant (fix 0b10) |
35 | daniel-mar | 409 | - 6 bit Clock Sequence |
28 | daniel-mar | 410 | - 8 bit Local Domain |
27 | daniel-mar | 411 | - 48 bit MAC Address |
412 | */ |
||
413 | |||
28 | daniel-mar | 414 | // see also https://unicorn-utterances.com/posts/what-happened-to-uuid-v2 |
415 | |||
47 | daniel-mar | 416 | echo sprintf("%-32s %s\n", "Version:", "[0x2] DCE Security version"); |
2 | daniel-mar | 417 | |
27 | daniel-mar | 418 | # The clock_seq_low field (which represents an integer in the range [0, 28-1]) is interpreted as a local domain (as represented by sec_rgy_domain_t; see sec_rgy_domain_t ); that is, an identifier domain meaningful to the local host. (Note that the data type sec_rgy_domain_t can potentially hold values outside the range [0, 28-1]; however, the only values currently registered are in the range [0, 2], so this type mismatch is not significant.) In the particular case of a POSIX host, the value sec_rgy_domain_person is to be interpreted as the "POSIX UID domain", and the value sec_rgy_domain_group is to be interpreted as the "POSIX GID domain". |
419 | $x = substr($uuid, 18, 2); |
||
43 | daniel-mar | 420 | if ($x == '00') $domain_info = 'Person (e.g. POSIX UID)'; |
421 | else if ($x == '01') $domain_info = 'Group (e.g. POSIX GID)'; |
||
27 | daniel-mar | 422 | else if ($x == '02') $domain_info = 'Organization'; |
423 | else $domain_info = 'site-defined (Domain '.hexdec($x).')'; |
||
424 | echo sprintf("%-32s %s\n", "Local Domain:", "[0x$x] $domain_info"); |
||
425 | |||
2 | daniel-mar | 426 | # The time_low field (which represents an integer in the range [0, 232-1]) is interpreted as a local-ID; that is, an identifier (within the domain specified by clock_seq_low) meaningful to the local host. In the particular case of a POSIX host, when combined with a POSIX UID or POSIX GID domain in the clock_seq_low field (above), the time_low field represents a POSIX UID or POSIX GID, respectively. |
427 | $x = substr($uuid, 0, 8); |
||
29 | daniel-mar | 428 | $dec = hexdec($x); |
429 | echo sprintf("%-32s %s\n", "Local Domain Number:", "[0x$x] $dec"); |
||
2 | daniel-mar | 430 | |
431 | # Timestamp: Count of 100ns intervals since 15 Oct 1582 00:00:00 |
||
432 | # 1/0,0000001 = 10000000 |
||
433 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).'00000000'; |
||
434 | $ts = gmp_init($timestamp, 16); |
||
30 | daniel-mar | 435 | $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
436 | $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
||
437 | $ts = gmp_div($ts, gmp_init("10000000", 10)); |
||
438 | $ts = gmp_strval($ts, 10); |
||
439 | $ms = gmp_strval($ms, 10); |
||
440 | $ts_min = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
||
2 | daniel-mar | 441 | |
442 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).'FFFFFFFF'; |
||
443 | $ts = gmp_init($timestamp, 16); |
||
30 | daniel-mar | 444 | $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
445 | $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
||
446 | $ts = gmp_div($ts, gmp_init("10000000", 10)); |
||
447 | $ts = gmp_strval($ts, 10); |
||
448 | $ms = gmp_strval($ms, 10); |
||
449 | $ts_max = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
||
2 | daniel-mar | 450 | |
29 | daniel-mar | 451 | $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4)/*.'xxxxxxxx'*/; |
25 | daniel-mar | 452 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts_min - $ts_max"); |
2 | daniel-mar | 453 | |
28 | daniel-mar | 454 | $x = hexdec(substr($uuid, 16, 2)); |
455 | $dec = $x & 0x3F; // The highest 2 bits are used by "variant" (10xx) |
||
456 | $hex = substr($uuid, 16, 2); |
||
44 | daniel-mar | 457 | $hex = '<abbr title="The highest 2 bits are used by the UUID variant (10xx)">'.$hex[0].'</abbr>'.substr($hex,1); |
27 | daniel-mar | 458 | echo sprintf("%-32s %s\n", "Clock ID:", "[0x$hex] $dec"); |
2 | daniel-mar | 459 | |
460 | $x = substr($uuid, 20, 12); |
||
461 | $nodeid = ''; |
||
462 | for ($i=0; $i<6; $i++) { |
||
463 | $nodeid .= substr($x, $i*2, 2); |
||
25 | daniel-mar | 464 | if ($i != 5) $nodeid .= '-'; |
2 | daniel-mar | 465 | } |
30 | daniel-mar | 466 | $nodeid = strtoupper($nodeid); |
27 | daniel-mar | 467 | echo sprintf("%-32s %s\n", "Node ID:", "[0x$x] $nodeid"); |
2 | daniel-mar | 468 | |
43 | daniel-mar | 469 | echo "\n<u>In case that this Node ID is a MAC address, here is the interpretation of that MAC address:</u>\n\n"; |
42 | daniel-mar | 470 | decode_mac(strtoupper($nodeid)); |
2 | daniel-mar | 471 | |
472 | break; |
||
473 | case 3: |
||
28 | daniel-mar | 474 | /* |
475 | Variant 1, Version 3 UUID |
||
476 | - 48 bit Hash High |
||
29 | daniel-mar | 477 | - 4 bit Version (fix 0x3) |
28 | daniel-mar | 478 | - 12 bit Hash Mid |
479 | - 2 bit Variant (fix 0b10) |
||
480 | - 62 bit Hash Low |
||
481 | */ |
||
482 | |||
47 | daniel-mar | 483 | echo sprintf("%-32s %s\n", "Version:", "[0x3] Name-based (MD5 hash)"); |
2 | daniel-mar | 484 | |
485 | $hash = str_replace('-', '', strtolower($uuid)); |
||
27 | daniel-mar | 486 | |
2 | daniel-mar | 487 | $hash[12] = '?'; // was overwritten by version |
27 | daniel-mar | 488 | |
38 | daniel-mar | 489 | $var16a = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0000)); |
490 | $var16b = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0100)); |
||
491 | $var16c = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1000)); |
||
492 | $var16d = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1100)); |
||
2 | daniel-mar | 493 | $hash[16] = '?'; // was partially overwritten by variant |
494 | |||
43 | daniel-mar | 495 | $p = 16; |
496 | $hash = substr($hash,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($hash,$p,1).'</abbr>'.substr($hash,$p+1); |
||
27 | daniel-mar | 497 | echo sprintf("%-32s %s\n", "MD5(Namespace+Subject):", "[0x$hash]"); |
2 | daniel-mar | 498 | |
499 | break; |
||
500 | case 4: |
||
28 | daniel-mar | 501 | /* |
502 | Variant 1, Version 4 UUID |
||
503 | - 48 bit Random High |
||
29 | daniel-mar | 504 | - 4 bit Version (fix 0x4) |
28 | daniel-mar | 505 | - 12 bit Random Mid |
506 | - 2 bit Variant (fix 0b10) |
||
507 | - 62 bit Random Low |
||
508 | */ |
||
509 | |||
47 | daniel-mar | 510 | echo sprintf("%-32s %s\n", "Version:", "[0x4] Random"); |
2 | daniel-mar | 511 | |
25 | daniel-mar | 512 | $rand_line1 = ''; |
513 | $rand_line2 = ''; |
||
2 | daniel-mar | 514 | for ($i=0; $i<16; $i++) { |
515 | $bin = base_convert(substr($uuid, $i*2, 2), 16, 2); |
||
516 | $bin = str_pad($bin, 8, "0", STR_PAD_LEFT); |
||
517 | |||
518 | if ($i == 6) { |
||
25 | daniel-mar | 519 | // was overwritten by version |
520 | $bin[0] = '?'; |
||
521 | $bin[1] = '?'; |
||
522 | $bin[2] = '?'; |
||
523 | $bin[3] = '?'; |
||
2 | daniel-mar | 524 | } else if ($i == 8) { |
25 | daniel-mar | 525 | // was partially overwritten by variant |
526 | $bin[0] = '?'; |
||
527 | $bin[1] = '?'; |
||
2 | daniel-mar | 528 | } |
529 | |||
25 | daniel-mar | 530 | if ($i<8) $rand_line1 .= "$bin "; |
531 | if ($i>=8) $rand_line2 .= "$bin "; |
||
2 | daniel-mar | 532 | } |
25 | daniel-mar | 533 | echo sprintf("%-32s %s\n", "Random bits:", trim($rand_line1)); |
534 | echo sprintf("%-32s %s\n", "", trim($rand_line2)); |
||
2 | daniel-mar | 535 | |
27 | daniel-mar | 536 | $rand_bytes = str_replace('-', '', strtolower($uuid)); |
537 | $rand_bytes[12] = '?'; // was overwritten by version |
||
38 | daniel-mar | 538 | $var16a = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b0000)); |
539 | $var16b = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b0100)); |
||
540 | $var16c = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b1000)); |
||
541 | $var16d = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b1100)); |
||
27 | daniel-mar | 542 | $rand_bytes[16] = '?'; // was partially overwritten by variant |
43 | daniel-mar | 543 | |
544 | $p = 16; |
||
545 | $rand_bytes = substr($rand_bytes,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($rand_bytes,$p,1).'</abbr>'.substr($rand_bytes,$p+1); |
||
27 | daniel-mar | 546 | echo sprintf("%-32s %s\n", "Random bytes:", "[0x$rand_bytes]"); |
547 | |||
2 | daniel-mar | 548 | break; |
549 | case 5: |
||
28 | daniel-mar | 550 | /* |
551 | Variant 1, Version 5 UUID |
||
552 | - 48 bit Hash High |
||
29 | daniel-mar | 553 | - 4 bit Version (fix 0x5) |
28 | daniel-mar | 554 | - 12 bit Hash Mid |
555 | - 2 bit Variant (fix 0b10) |
||
556 | - 62 bit Hash Low |
||
557 | */ |
||
558 | |||
47 | daniel-mar | 559 | echo sprintf("%-32s %s\n", "Version:", "[0x5] Name-based (SHA-1 hash)"); |
2 | daniel-mar | 560 | |
561 | $hash = str_replace('-', '', strtolower($uuid)); |
||
27 | daniel-mar | 562 | |
2 | daniel-mar | 563 | $hash[12] = '?'; // was overwritten by version |
27 | daniel-mar | 564 | |
38 | daniel-mar | 565 | $var16a = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0000)); |
566 | $var16b = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0100)); |
||
567 | $var16c = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1000)); |
||
568 | $var16d = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1100)); |
||
2 | daniel-mar | 569 | $hash[16] = '?'; // was partially overwritten by variant |
27 | daniel-mar | 570 | |
2 | daniel-mar | 571 | $hash .= '????????'; // was cut off |
572 | |||
43 | daniel-mar | 573 | $p = 16; |
574 | $hash = substr($hash,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($hash,$p,1).'</abbr>'.substr($hash,$p+1); |
||
27 | daniel-mar | 575 | echo sprintf("%-32s %s\n", "SHA1(Namespace+Subject):", "[0x$hash]"); |
2 | daniel-mar | 576 | |
577 | break; |
||
27 | daniel-mar | 578 | case 7: |
29 | daniel-mar | 579 | /* |
580 | Variant 1, Version 7 UUID |
||
581 | - 48 bit Unix Time in milliseconds |
||
582 | - 4 bit Version (fix 0x7) |
||
70 | daniel-mar | 583 | - 12 bit Data |
29 | daniel-mar | 584 | - 2 bit Variant (fix 0b10) |
70 | daniel-mar | 585 | - 62 bit Data |
586 | |||
587 | Structure of data (74 bits): |
||
588 | - OPTIONAL : Sub-millisecond timestamp fraction (0-12 bits) |
||
589 | - OPTIONAL : Carefully seeded counter |
||
590 | - Random generated bits for any remaining space |
||
591 | |||
592 | Since we don't know if timestamp fraction or counters are implemented |
||
593 | (and if so, how many bits), we don't decode this information |
||
29 | daniel-mar | 594 | */ |
595 | |||
47 | daniel-mar | 596 | echo sprintf("%-32s %s\n", "Version:", "[0x7] Unix Epoch Time"); |
29 | daniel-mar | 597 | |
598 | $timestamp = substr($uuid, 0, 12); |
||
30 | daniel-mar | 599 | |
600 | // Timestamp: Split into seconds and milliseconds |
||
29 | daniel-mar | 601 | $ts = gmp_init($timestamp, 16); |
30 | daniel-mar | 602 | $ms = gmp_mod($ts, gmp_init("1000", 10)); |
603 | $ts = gmp_div($ts, gmp_init("1000", 10)); |
||
604 | $ts = gmp_strval($ts, 10); |
||
605 | $ms = gmp_strval($ms, 10); |
||
606 | $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 3/*ms*/, '0', STR_PAD_LEFT).' GMT'; |
||
29 | daniel-mar | 607 | echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
608 | |||
609 | $rand = ''; |
||
610 | for ($i=6; $i<16; $i++) { |
||
611 | $bin = base_convert(substr($uuid, $i*2, 2), 16, 2); |
||
612 | $bin = str_pad($bin, 8, "0", STR_PAD_LEFT); |
||
613 | |||
614 | if ($i == 6) { |
||
615 | // was overwritten by version |
||
616 | $bin[0] = '?'; |
||
617 | $bin[1] = '?'; |
||
618 | $bin[2] = '?'; |
||
619 | $bin[3] = '?'; |
||
620 | } else if ($i == 8) { |
||
621 | // was partially overwritten by variant |
||
622 | $bin[0] = '?'; |
||
623 | $bin[1] = '?'; |
||
624 | } |
||
625 | |||
626 | $rand .= "$bin "; |
||
627 | } |
||
628 | echo sprintf("%-32s %s\n", "Random bits:", trim($rand)); |
||
629 | |||
630 | $rand_bytes = substr(str_replace('-', '', strtolower($uuid)),13); |
||
38 | daniel-mar | 631 | $var16a = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b0000)); |
632 | $var16b = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b0100)); |
||
633 | $var16c = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b1000)); |
||
634 | $var16d = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b1100)); |
||
29 | daniel-mar | 635 | $rand_bytes[3] = '?'; // was partially overwritten by variant |
43 | daniel-mar | 636 | |
637 | $p = 3; |
||
638 | $rand_bytes = substr($rand_bytes,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($rand_bytes,$p,1).'</abbr>'.substr($rand_bytes,$p+1); |
||
29 | daniel-mar | 639 | echo sprintf("%-32s %s\n", "Random bytes:", "[0x$rand_bytes]"); |
640 | |||
641 | // TODO: convert to and from Base32 CROCKFORD ULID (make 2 methods in uuid_utils.inc.php) |
||
642 | // e.g. ULID: 01GCZ05N3JFRKBRWKNGCQZGP44 |
||
643 | // "Be aware that all version 7 UUIDs may be converted to ULIDs but not all ULIDs may be converted to UUIDs." |
||
644 | |||
27 | daniel-mar | 645 | break; |
646 | case 8: |
||
29 | daniel-mar | 647 | /* |
648 | Variant 1, Version 8 UUID |
||
63 | daniel-mar | 649 | - 48 bit Custom data [Block 1+2] |
29 | daniel-mar | 650 | - 4 bit Version (fix 0x8) |
63 | daniel-mar | 651 | - 12 bit Custom data [Block 3] |
29 | daniel-mar | 652 | - 2 bit Variant (fix 0b10) |
63 | daniel-mar | 653 | - 62 bit Custom data [Block 4+5] |
29 | daniel-mar | 654 | */ |
655 | |||
47 | daniel-mar | 656 | echo sprintf("%-32s %s\n", "Version:", "[0x8] Custom implementation"); |
29 | daniel-mar | 657 | |
658 | $custom_data = substr($uuid,0,12).substr($uuid,13); // exclude version nibble |
||
38 | daniel-mar | 659 | $custom_data[15] = dechex(hexdec($custom_data[15]) & 0b0011); // nibble was partially overwritten by variant |
29 | daniel-mar | 660 | $custom_data = strtolower($custom_data); |
661 | |||
34 | daniel-mar | 662 | $custom_block1 = substr($uuid, 0, 8); |
663 | $custom_block2 = substr($uuid, 8, 4); |
||
664 | $custom_block3 = substr($uuid, 12, 4); |
||
665 | $custom_block4 = substr($uuid, 16, 4); |
||
666 | $custom_block5 = substr($uuid, 20); |
||
667 | |||
668 | $custom_block3 = substr($custom_block3, 1); // remove version |
||
38 | daniel-mar | 669 | $custom_block4[0] = dechex(hexdec($custom_block4[0]) & 0b0011); // remove variant |
34 | daniel-mar | 670 | |
29 | daniel-mar | 671 | echo sprintf("%-32s %s\n", "Custom data:", "[0x$custom_data]"); |
50 | daniel-mar | 672 | echo sprintf("%-32s %s\n", "Custom data block1 (32 bit):", "[0x$custom_block1]"); |
673 | echo sprintf("%-32s %s\n", "Custom data block2 (16 bit):", "[0x$custom_block2]"); |
||
674 | echo sprintf("%-32s %s\n", "Custom data block3 (12 bit):", "[0x$custom_block3]"); |
||
675 | echo sprintf("%-32s %s\n", "Custom data block4 (14 bit):", "[0x$custom_block4]"); |
||
676 | echo sprintf("%-32s %s\n", "Custom data block5 (48 bit):", "[0x$custom_block5]"); |
||
29 | daniel-mar | 677 | |
55 | daniel-mar | 678 | // START: Check if Custom UUIDv8 is likely an OIDplus 2.0 Custom UUID |
50 | daniel-mar | 679 | |
55 | daniel-mar | 680 | $oidplus_systemid_hex = $custom_block1; |
681 | $oidplus_systemid_int = hexdec($oidplus_systemid_hex); // 31 bit hash of public key |
||
682 | $oidplus_systemid_valid = hexdec($custom_block1) < 0x80000000; |
||
50 | daniel-mar | 683 | |
55 | daniel-mar | 684 | $oidplus_creation_hex = $custom_block2; |
685 | $oidplus_creation_int = hexdec($oidplus_creation_hex); // days since 1 January 1970, or 0 if unknown |
||
686 | //$oidplus_creation_valid = ($oidplus_creation_int >= 14610/*1 Jan 2010*/) && ($oidplus_creation_int <= floor(time()/24/60/60)/*Today*/); |
||
687 | $oidplus_creation_unknown = $oidplus_creation_int == 0; |
||
688 | |||
689 | $oidplus_reserved_hex = $custom_block3; |
||
690 | $oidplus_reserved_int = hexdec($oidplus_reserved_hex); |
||
691 | |||
692 | $oidplus_namespace_hex = $custom_block4; |
||
693 | $oidplus_namespace_int = hexdec($oidplus_namespace_hex); |
||
694 | |||
695 | $oidplus_data_hex = $custom_block5; |
||
696 | $oidplus_data_int = (PHP_INT_SIZE == 4) ? gmp_strval(gmp_init($oidplus_data_hex,16),10) : hexdec($custom_block5); |
||
697 | |||
698 | if ($oidplus_systemid_valid && ($oidplus_reserved_int == 0)) { |
||
699 | if (($oidplus_namespace_int == 0) && $oidplus_creation_unknown && (strtolower($oidplus_data_hex) == '1890afd80709')) { |
||
700 | // System GUID, e.g. 6e932dd7-0000-8000-8000-1890afd80709 |
||
701 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
702 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
703 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); /**@phpstan-ignore-line*/ |
||
704 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
705 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=System"); |
||
706 | echo sprintf("%-32s %s\n", "Data (empty string hash):", "[0x$oidplus_data_hex] SHA1('') = ????????????????????????????$oidplus_data_hex"); |
||
707 | } |
||
708 | else if (($oidplus_namespace_int == 1) && $oidplus_creation_unknown) { |
||
709 | // User GUID, e.g. 6e932dd7-0000-8000-8001-2938f50e857e (User), 6e932dd7-0000-8000-8001-000000000000 (Admin) |
||
710 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
711 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
712 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); /**@phpstan-ignore-line*/ |
||
713 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
714 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=User"); |
||
715 | if ($oidplus_data_int == 0) { |
||
716 | echo sprintf("%-32s %s\n", "Data (Username):", "[0x$oidplus_data_hex] 0=Admin"); |
||
717 | } else { |
||
718 | echo sprintf("%-32s %s\n", "Data (Username):", "[0x$oidplus_data_hex] SHA1(UserName) = ????????????????????????????$oidplus_data_hex"); |
||
719 | } |
||
720 | } |
||
721 | else if (($oidplus_namespace_int == 2)/* && $oidplus_creation_valid*/) { |
||
722 | // Log entry GUID, e.g. 6e932dd7-458c-8000-8002-0000000004d2 |
||
723 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
724 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
725 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
726 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
727 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Log Entry"); |
||
728 | echo sprintf("%-32s %s\n", "Data (Sequence number):", "[0x$oidplus_data_hex] $oidplus_data_int"); |
||
729 | } |
||
730 | else if (($oidplus_namespace_int == 3) && $oidplus_creation_unknown) { |
||
731 | // Configuration entry GUID, e.g. 6e932dd7-0000-8000-8003-f14dda42862a |
||
732 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
733 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
734 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); /**@phpstan-ignore-line*/ |
||
735 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
736 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Configuration Entry"); |
||
737 | echo sprintf("%-32s %s\n", "Data (Setting name hash):", "[0x$oidplus_data_hex] SHA1(SettingName) = ????????????????????????????$oidplus_data_hex"); |
||
738 | } |
||
739 | else if ($oidplus_namespace_int == 4) { |
||
740 | // ASN.1 Alpahnumeric identifier GUID, e.g. 6e932dd7-0000-8000-8004-208ded8a3f8f |
||
741 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
742 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
743 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
744 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
745 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=ASN.1 Alphanumeric ID"); |
||
746 | $oidplus_data_24hi_hex = substr($oidplus_data_hex, 0, 6); |
||
747 | $oidplus_data_24lo_hex = substr($oidplus_data_hex, 6, 6); |
||
748 | echo sprintf("%-32s %s\n", "Data (OID hash):", "[0x$oidplus_data_24hi_hex] SHA1(OID) = ????????????????????????????$oidplus_data_24hi_hex"); |
||
749 | echo sprintf("%-32s %s\n", "Data (Name hash):", "[0x$oidplus_data_24lo_hex] SHA1(AlphaNumId) = ????????????????????????????$oidplus_data_24lo_hex"); |
||
750 | } |
||
751 | else if ($oidplus_namespace_int == 5) { |
||
752 | // Unicode Label entry GUID, e.g. 6e932dd7-0000-8000-8005-208dedaf9a96 |
||
753 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
754 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
755 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
756 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
757 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Unicode Label"); |
||
758 | $oidplus_data_24hi_hex = substr($oidplus_data_hex, 0, 6); |
||
759 | $oidplus_data_24lo_hex = substr($oidplus_data_hex, 6, 6); |
||
760 | echo sprintf("%-32s %s\n", "Data (OID hash):", "[0x$oidplus_data_24hi_hex] SHA1(OID) = ????????????????????????????$oidplus_data_24hi_hex"); |
||
761 | echo sprintf("%-32s %s\n", "Data (Name hash):", "[0x$oidplus_data_24lo_hex] SHA1(UnicodeLabel) = ????????????????????????????$oidplus_data_24lo_hex"); |
||
762 | } |
||
763 | else if (($oidplus_namespace_int >= 6) && ($oidplus_namespace_int <= 0xF)) { |
||
764 | // System reserved |
||
765 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
||
766 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
767 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
768 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
769 | echo sprintf("%-32s %s\n", "Namespace:", "[0x$oidplus_namespace_hex] $oidplus_namespace_int=Unknown (System Reserved)"); |
||
770 | echo sprintf("%-32s %s\n", "Data (Setting name hash):", "[0x$oidplus_data_hex] Unknown"); |
||
771 | } |
||
772 | else if ($oidplus_namespace_int > 0xF) { |
||
773 | // Information Object GUID, e.g. 6e932dd7-458c-8000-b9e9-c1e3894d1105 |
||
54 | daniel-mar | 774 | $known_objecttype_plugins = array( |
775 | // Latest list here: https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md |
||
776 | '1.3.6.1.4.1.37476.2.5.2.4.8.1' => 'doi (ViaThinkSoft plugin)', |
||
777 | '1.3.6.1.4.1.37476.2.5.2.4.8.2' => 'gs1 (ViaThinkSoft plugin)', |
||
778 | '1.3.6.1.4.1.37476.2.5.2.4.8.3' => 'guid (ViaThinkSoft plugin)', |
||
779 | '1.3.6.1.4.1.37476.2.5.2.4.8.4' => 'ipv4 (ViaThinkSoft plugin)', |
||
780 | '1.3.6.1.4.1.37476.2.5.2.4.8.5' => 'ipv6 (ViaThinkSoft plugin)', |
||
781 | '1.3.6.1.4.1.37476.2.5.2.4.8.6' => 'java (ViaThinkSoft plugin)', |
||
782 | '1.3.6.1.4.1.37476.2.5.2.4.8.7' => 'oid (ViaThinkSoft plugin)', |
||
783 | '1.3.6.1.4.1.37476.2.5.2.4.8.8' => 'other (ViaThinkSoft plugin)', |
||
784 | '1.3.6.1.4.1.37476.2.5.2.4.8.9' => 'domain (ViaThinkSoft plugin)', |
||
785 | '1.3.6.1.4.1.37476.2.5.2.4.8.10' => 'fourcc (ViaThinkSoft plugin)', |
||
786 | '1.3.6.1.4.1.37476.2.5.2.4.8.11' => 'aid (ViaThinkSoft plugin)', |
||
787 | '1.3.6.1.4.1.37476.2.5.2.4.8.12' => 'php (ViaThinkSoft plugin)', |
||
788 | '1.3.6.1.4.1.37476.2.5.2.4.8.13' => 'mac (ViaThinkSoft plugin)', |
||
789 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.27255728261' => 'circuit (Frdlweb plugin)', |
||
790 | '1.3.6.1.4.1.37476.9000.108.19361.856' => 'ns (Frdlweb plugin)', |
||
791 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.32927' => 'pen (Frdlweb plugin)', |
||
792 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.39870' => 'uri (Frdlweb plugin)', |
||
793 | '1.3.6.1.4.1.37553.8.1.8.8.53354196964.1958965295' => 'web+fan (Frdlweb plugin)' |
||
794 | ); |
||
795 | $namespace_desc = 'Unknown object type'; |
||
796 | foreach ($known_objecttype_plugins as $oid => $name) { |
||
55 | daniel-mar | 797 | if ((hexdec(substr(sha1($oid), -4)) & 0x3fff) == $oidplus_namespace_int) $namespace_desc = "$oid = $name"; |
54 | daniel-mar | 798 | } |
55 | daniel-mar | 799 | echo "\n<u>Interpretation of <a href=\"https://github.com/danielmarschall/oidplus/blob/master/doc/oidplus_custom_guid.md\">OIDplus 2.0 Custom UUID</a></u>\n\n"; |
800 | echo sprintf("%-32s %s\n", "System ID:", "[0x$oidplus_systemid_hex] ".$oidplus_systemid_int); |
||
801 | echo sprintf("%-32s %s\n", "Creation time:", "[0x$oidplus_creation_hex] ".($oidplus_creation_unknown ? 'Unknown' : date('Y-m-d', $oidplus_creation_int*24*60*60))); |
||
802 | echo sprintf("%-32s %s\n", "Reserved:", "[0x$oidplus_reserved_hex]"); |
||
803 | echo sprintf("%-32s %s\n", "Namespace (Obj.type OID hash):", "[0x$oidplus_namespace_hex] $namespace_desc"); |
||
804 | echo sprintf("%-32s %s\n", "Data (Object name hash):", "[0x$oidplus_data_hex] SHA1(ObjectName) = ????????????????????????????$oidplus_data_hex"); |
||
54 | daniel-mar | 805 | } |
50 | daniel-mar | 806 | } |
807 | |||
55 | daniel-mar | 808 | // END: OIDplus 2.0 Custom UUID Interpretation |
809 | |||
27 | daniel-mar | 810 | break; |
2 | daniel-mar | 811 | default: |
47 | daniel-mar | 812 | echo sprintf("%-32s %s\n", "Version:", "[0x".dechex($version)."] Unknown"); |
2 | daniel-mar | 813 | break; |
814 | } |
||
815 | |||
816 | break; |
||
817 | case 2: |
||
35 | daniel-mar | 818 | // TODO: Show byte order: 00112233-4455-6677-8899-aabbccddeeff => 33 22 11 00 55 44 77 66 88 99 aa bb cc dd ee ff |
819 | |||
31 | daniel-mar | 820 | // TODO: Is there any scheme in that legacy Microsoft GUIDs? |
27 | daniel-mar | 821 | echo sprintf("%-32s %s\n", "Variant:", "[0b110] Reserved for Microsoft Corporation"); |
2 | daniel-mar | 822 | break; |
823 | case 3: |
||
27 | daniel-mar | 824 | echo sprintf("%-32s %s\n", "Variant:", "[0b111] Reserved for future use"); |
2 | daniel-mar | 825 | break; |
826 | } |
||
28 | daniel-mar | 827 | |
828 | if (!$echo) { |
||
829 | $out = ob_get_contents(); |
||
830 | ob_end_clean(); |
||
831 | return $out; |
||
31 | daniel-mar | 832 | } else { |
833 | return true; |
||
28 | daniel-mar | 834 | } |
2 | daniel-mar | 835 | } |
836 | |||
837 | function uuid_canonize($uuid) { |
||
838 | if (!uuid_valid($uuid)) return false; |
||
839 | return oid_to_uuid(uuid_to_oid($uuid)); |
||
840 | } |
||
841 | |||
842 | function oid_to_uuid($oid) { |
||
49 | daniel-mar | 843 | if (!is_uuid_oid($oid,true)) return false; |
2 | daniel-mar | 844 | |
8 | daniel-mar | 845 | if (substr($oid,0,1) == '.') { |
2 | daniel-mar | 846 | $oid = substr($oid, 1); |
847 | } |
||
848 | $ary = explode('.', $oid); |
||
849 | |||
850 | if (!isset($ary[2])) return false; |
||
851 | |||
852 | $val = $ary[2]; |
||
853 | |||
854 | $x = gmp_init($val, 10); |
||
855 | $y = gmp_strval($x, 16); |
||
856 | $y = str_pad($y, 32, "0", STR_PAD_LEFT); |
||
857 | return substr($y, 0, 8).'-'. |
||
858 | substr($y, 8, 4).'-'. |
||
859 | substr($y, 12, 4).'-'. |
||
860 | substr($y, 16, 4).'-'. |
||
861 | substr($y, 20, 12); |
||
862 | } |
||
863 | |||
864 | function is_uuid_oid($oid, $only_allow_root=false) { |
||
9 | daniel-mar | 865 | if (substr($oid,0,1) == '.') $oid = substr($oid, 1); // remove leading dot |
2 | daniel-mar | 866 | |
867 | $ary = explode('.', $oid); |
||
868 | |||
869 | if ($only_allow_root) { |
||
870 | if (count($ary) != 3) return false; |
||
871 | } else { |
||
872 | if (count($ary) < 3) return false; |
||
873 | } |
||
874 | |||
875 | if ($ary[0] != '2') return false; |
||
876 | if ($ary[1] != '25') return false; |
||
877 | for ($i=2; $i<count($ary); $i++) { |
||
878 | $v = $ary[$i]; |
||
879 | if (!is_numeric($v)) return false; |
||
880 | if ($i == 2) { |
||
881 | // Must be in the range of 128 bit UUID |
||
882 | $test = gmp_init($v, 10); |
||
883 | if (strlen(gmp_strval($test, 16)) > 32) return false; |
||
884 | } |
||
885 | if ($v < 0) return false; |
||
886 | } |
||
887 | |||
888 | return true; |
||
889 | } |
||
890 | |||
891 | function uuid_to_oid($uuid) { |
||
892 | if (!uuid_valid($uuid)) return false; |
||
893 | |||
894 | $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
||
895 | $x = gmp_init($uuid, 16); |
||
29 | daniel-mar | 896 | return '2.25.'.gmp_strval($x, 10); |
2 | daniel-mar | 897 | } |
898 | |||
31 | daniel-mar | 899 | function uuid_numeric_value($uuid) { |
900 | $oid = uuid_to_oid($uuid); |
||
901 | if (!$oid) return false; |
||
902 | return substr($oid, strlen('2.25.')); |
||
903 | } |
||
904 | |||
905 | function uuid_c_syntax($uuid) { |
||
906 | $uuid = str_replace('{', '', $uuid); |
||
907 | return '{ 0x' . substr($uuid, 0, 8) . |
||
908 | ', 0x' . substr($uuid, 9, 4) . |
||
909 | ', 0x' . substr($uuid, 14, 4) . |
||
910 | ', { 0x' . substr($uuid, 19, 2). |
||
911 | ', 0x' . substr($uuid, 21, 2) . |
||
912 | ', 0x' . substr($uuid, 24, 2) . |
||
913 | ', 0x' . substr($uuid, 26, 2) . |
||
914 | ', 0x' . substr($uuid, 28, 2) . |
||
915 | ', 0x' . substr($uuid, 30, 2) . |
||
916 | ', 0x' . substr($uuid, 32, 2) . |
||
917 | ', 0x' . substr($uuid, 34, 2) . ' } }'; |
||
918 | } |
||
919 | |||
30 | daniel-mar | 920 | function gen_uuid($prefer_mac_address_based = true) { |
921 | $uuid = $prefer_mac_address_based ? gen_uuid_reordered()/*UUIDv6*/ : false; |
||
922 | if ($uuid === false) $uuid = gen_uuid_unix_epoch()/*UUIDv7*/; |
||
2 | daniel-mar | 923 | return $uuid; |
924 | } |
||
925 | |||
30 | daniel-mar | 926 | # -------------------------------------- |
927 | // Variant 1, Version 1 (Time based) UUID |
||
928 | # -------------------------------------- |
||
28 | daniel-mar | 929 | |
30 | daniel-mar | 930 | function gen_uuid_v1() { |
931 | return gen_uuid_timebased(); |
||
932 | } |
||
39 | daniel-mar | 933 | function gen_uuid_timebased($force_php_implementation=false) { |
2 | daniel-mar | 934 | # On Debian: apt-get install php-uuid |
935 | # extension_loaded('uuid') |
||
39 | daniel-mar | 936 | if (!$force_php_implementation && function_exists('uuid_create')) { |
2 | daniel-mar | 937 | # OSSP uuid extension like seen in php5-uuid at Debian 8 |
938 | /* |
||
939 | $x = uuid_create($context); |
||
940 | uuid_make($context, UUID_MAKE_V1); |
||
941 | uuid_export($context, UUID_FMT_STR, $uuid); |
||
942 | return trim($uuid); |
||
943 | */ |
||
944 | |||
945 | # PECL uuid extension like seen in php-uuid at Debian 9 |
||
946 | return trim(uuid_create(UUID_TYPE_TIME)); |
||
947 | } |
||
948 | |||
949 | # On Debian: apt-get install uuid-runtime |
||
39 | daniel-mar | 950 | if (!$force_php_implementation && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { |
2 | daniel-mar | 951 | $out = array(); |
952 | $ec = -1; |
||
953 | exec('uuidgen -t 2>/dev/null', $out, $ec); |
||
954 | if ($ec == 0) return trim($out[0]); |
||
955 | } |
||
956 | |||
957 | # If we hadn't any success yet, then implement the time based generation routine ourselves! |
||
958 | # Based on https://github.com/fredriklindberg/class.uuid.php/blob/master/class.uuid.php |
||
959 | |||
960 | $uuid = array( |
||
961 | 'time_low' => 0, /* 32-bit */ |
||
962 | 'time_mid' => 0, /* 16-bit */ |
||
963 | 'time_hi' => 0, /* 16-bit */ |
||
964 | 'clock_seq_hi' => 0, /* 8-bit */ |
||
965 | 'clock_seq_low' => 0, /* 8-bit */ |
||
966 | 'node' => array() /* 48-bit */ |
||
967 | ); |
||
968 | |||
969 | /* |
||
970 | * Get current time in 100 ns intervals. The magic value |
||
971 | * is the offset between UNIX epoch and the UUID UTC |
||
972 | * time base October 15, 1582. |
||
973 | */ |
||
38 | daniel-mar | 974 | if (time_nanosleep(0,100) !== true) usleep(1); // Wait 100ns, to make sure that the time part changes if multiple UUIDs are generated |
2 | daniel-mar | 975 | $tp = gettimeofday(); |
38 | daniel-mar | 976 | if (PHP_INT_SIZE == 4) { |
977 | $tp['sec'] = gmp_init($tp['sec'],10); |
||
978 | $tp['usec'] = gmp_init($tp['usec'],10); |
||
979 | $time = gmp_add(gmp_add(gmp_mul($tp['sec'], gmp_init('10000000',10)),gmp_mul($tp['usec'], gmp_init('10',10))),gmp_init('01B21DD213814000',16)); |
||
980 | $uuid['time_low'] = gmp_and($time, gmp_init('ffffffff',16)); |
||
981 | $high = gmp_shiftr($time,32); |
||
982 | $uuid['time_mid'] = gmp_and($high, gmp_init('ffff',16)); |
||
69 | daniel-mar | 983 | $uuid['time_hi'] = gmp_intval(gmp_and(gmp_shiftr($high,16),gmp_init('fff',16))) | (1/*TimeBased*/ << 12); |
38 | daniel-mar | 984 | } else { |
985 | $time = ($tp['sec'] * 10000000) + ($tp['usec'] * 10) + 0x01B21DD213814000; |
||
986 | $uuid['time_low'] = $time & 0xffffffff; |
||
987 | /* Work around PHP 32-bit bit-operation limits */ |
||
988 | $high = intval($time / 0xffffffff); |
||
989 | $uuid['time_mid'] = $high & 0xffff; |
||
990 | $uuid['time_hi'] = (($high >> 16) & 0xfff) | (1/*TimeBased*/ << 12); |
||
991 | } |
||
2 | daniel-mar | 992 | |
993 | /* |
||
994 | * We don't support saved state information and generate |
||
995 | * a random clock sequence each time. |
||
996 | */ |
||
40 | daniel-mar | 997 | $uuid['clock_seq_hi'] = _random_int(0, 255) & 0b00111111 | 0b10000000; // set variant to 0b10__ (RFC 4122) |
24 | daniel-mar | 998 | $uuid['clock_seq_low'] = _random_int(0, 255); |
2 | daniel-mar | 999 | |
1000 | /* |
||
1001 | * Node should be set to the 48-bit IEEE node identifier |
||
1002 | */ |
||
1003 | $mac = get_mac_address(); |
||
1004 | if ($mac) { |
||
25 | daniel-mar | 1005 | $node = str_replace('-','',str_replace(':','',$mac)); |
2 | daniel-mar | 1006 | for ($i = 0; $i < 6; $i++) { |
1007 | $uuid['node'][$i] = hexdec(substr($node, $i*2, 2)); |
||
1008 | } |
||
39 | daniel-mar | 1009 | } else { |
1010 | // If we cannot get a MAC address, then generate a random AAI |
||
52 | daniel-mar | 1011 | // RFC 4122 requires the multicast bit to be set, to make sure |
1012 | // that a UUID from a system with network card never conflicts |
||
1013 | // with a UUID from a system without network ard. |
||
1014 | // We are additionally defining the other 3 bits as AAI, |
||
1015 | // to avoid that we are misusing the CID or OUI from other vendors |
||
1016 | // if we would create multicast ELI (based on CID) or EUI (based on OUI). |
||
1017 | $uuid['node'] = explode('-', gen_aai(48, true/*Multicast*/)); |
||
41 | daniel-mar | 1018 | $uuid['node'] = array_map('hexdec', $uuid['node']); |
2 | daniel-mar | 1019 | } |
1020 | |||
39 | daniel-mar | 1021 | /* |
1022 | * Now output the UUID |
||
1023 | */ |
||
1024 | return sprintf( |
||
1025 | '%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x', |
||
1026 | ($uuid['time_low']), ($uuid['time_mid']), ($uuid['time_hi']), |
||
1027 | $uuid['clock_seq_hi'], $uuid['clock_seq_low'], |
||
1028 | $uuid['node'][0], $uuid['node'][1], $uuid['node'][2], |
||
1029 | $uuid['node'][3], $uuid['node'][4], $uuid['node'][5]); |
||
2 | daniel-mar | 1030 | } |
1031 | |||
30 | daniel-mar | 1032 | # -------------------------------------- |
28 | daniel-mar | 1033 | // Variant 1, Version 2 (DCE Security) UUID |
30 | daniel-mar | 1034 | # -------------------------------------- |
1035 | |||
27 | daniel-mar | 1036 | define('DCE_DOMAIN_PERSON', 0); |
1037 | define('DCE_DOMAIN_GROUP', 1); |
||
1038 | define('DCE_DOMAIN_ORG', 2); |
||
30 | daniel-mar | 1039 | function gen_uuid_v2($domain, $id) { |
1040 | return gen_uuid_dce($domain, $id); |
||
1041 | } |
||
2 | daniel-mar | 1042 | function gen_uuid_dce($domain, $id) { |
31 | daniel-mar | 1043 | if (($domain ?? '') === '') throw new Exception("Domain ID missing"); |
1044 | if (!is_numeric($domain)) throw new Exception("Invalid Domain ID"); |
||
63 | daniel-mar | 1045 | if (($domain < 0) || ($domain > 0xFF)) throw new Exception("Domain ID must be in range 0..255"); |
31 | daniel-mar | 1046 | |
1047 | if (($id ?? '') === '') throw new Exception("ID value missing"); |
||
1048 | if (!is_numeric($id)) throw new Exception("Invalid ID value"); |
||
63 | daniel-mar | 1049 | if (($id < 0) || ($id > 0xFFFFFFFF)) throw new Exception("ID value must be in range 0..4294967295"); |
31 | daniel-mar | 1050 | |
2 | daniel-mar | 1051 | # Start with a version 1 UUID |
1052 | $uuid = gen_uuid_timebased(); |
||
1053 | |||
27 | daniel-mar | 1054 | # Add Domain Number |
2 | daniel-mar | 1055 | $uuid = str_pad(dechex($id), 8, '0', STR_PAD_LEFT) . substr($uuid, 8); |
1056 | |||
27 | daniel-mar | 1057 | # Add Domain (this overwrites part of the clock sequence) |
2 | daniel-mar | 1058 | $uuid = substr($uuid,0,21) . str_pad(dechex($domain), 2, '0', STR_PAD_LEFT) . substr($uuid, 23); |
1059 | |||
1060 | # Change version to 2 |
||
1061 | $uuid[14] = '2'; |
||
1062 | |||
1063 | return $uuid; |
||
1064 | } |
||
1065 | |||
30 | daniel-mar | 1066 | # -------------------------------------- |
28 | daniel-mar | 1067 | // Variant 1, Version 3 (MD5 name based) UUID |
30 | daniel-mar | 1068 | # -------------------------------------- |
1069 | |||
1070 | function gen_uuid_v3($namespace_uuid, $name) { |
||
1071 | return gen_uuid_md5_namebased($namespace_uuid, $name); |
||
1072 | } |
||
2 | daniel-mar | 1073 | function gen_uuid_md5_namebased($namespace_uuid, $name) { |
31 | daniel-mar | 1074 | if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
1075 | if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
||
1076 | |||
2 | daniel-mar | 1077 | $namespace_uuid = uuid_canonize($namespace_uuid); |
1078 | $namespace_uuid = str_replace('-', '', $namespace_uuid); |
||
1079 | $namespace_uuid = hex2bin($namespace_uuid); |
||
1080 | |||
1081 | $hash = md5($namespace_uuid.$name); |
||
1082 | $hash[12] = '3'; // Set version: 3 = MD5 |
||
38 | daniel-mar | 1083 | $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "10xx" (RFC4122) |
2 | daniel-mar | 1084 | |
1085 | return substr($hash, 0, 8).'-'. |
||
1086 | substr($hash, 8, 4).'-'. |
||
1087 | substr($hash, 12, 4).'-'. |
||
1088 | substr($hash, 16, 4).'-'. |
||
1089 | substr($hash, 20, 12); |
||
1090 | } |
||
1091 | |||
30 | daniel-mar | 1092 | # -------------------------------------- |
28 | daniel-mar | 1093 | // Variant 1, Version 4 (Random) UUID |
30 | daniel-mar | 1094 | # -------------------------------------- |
1095 | |||
1096 | function gen_uuid_v4() { |
||
1097 | return gen_uuid_random(); |
||
1098 | } |
||
2 | daniel-mar | 1099 | function gen_uuid_random() { |
1100 | # On Windows: Requires |
||
1101 | # extension_dir = "C:\php-8.0.3-nts-Win32-vs16-x64\ext" |
||
1102 | # extension=com_dotnet |
||
1103 | if (function_exists('com_create_guid')) { |
||
46 | daniel-mar | 1104 | $uuid = trim(com_create_guid(), '{}'); |
1105 | if (uuid_version($uuid) === '4') { // <-- just to make 100% sure that Windows's CoCreateGuid() did output UUIDv4 |
||
1106 | return strtolower($uuid); |
||
1107 | } |
||
2 | daniel-mar | 1108 | } |
1109 | |||
1110 | # On Debian: apt-get install php-uuid |
||
1111 | # extension_loaded('uuid') |
||
1112 | if (function_exists('uuid_create')) { |
||
1113 | # OSSP uuid extension like seen in php5-uuid at Debian 8 |
||
1114 | /* |
||
1115 | $x = uuid_create($context); |
||
1116 | uuid_make($context, UUID_MAKE_V4); |
||
1117 | uuid_export($context, UUID_FMT_STR, $uuid); |
||
1118 | return trim($uuid); |
||
1119 | */ |
||
1120 | |||
1121 | # PECL uuid extension like seen in php-uuid at Debian 9 |
||
1122 | return trim(uuid_create(UUID_TYPE_RANDOM)); |
||
1123 | } |
||
1124 | |||
1125 | if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { |
||
72 | daniel-mar | 1126 | # On Debian Jessie: UUID V4 (Random) |
1127 | if (file_exists($uuidv4_file = '/proc/sys/kernel/random/uuid')) { |
||
1128 | $uuid = file_get_contents($uuidv4_file); |
||
1129 | if (uuid_version($uuid) === '4') { // <-- just to make 100% sure that it did output UUIDv4 |
||
1130 | return $uuid; |
||
1131 | } |
||
1132 | } |
||
1133 | |||
2 | daniel-mar | 1134 | # On Debian: apt-get install uuid-runtime |
1135 | $out = array(); |
||
1136 | $ec = -1; |
||
1137 | exec('uuidgen -r 2>/dev/null', $out, $ec); |
||
1138 | if ($ec == 0) return trim($out[0]); |
||
1139 | } |
||
1140 | |||
1141 | # Make the UUID by ourselves |
||
46 | daniel-mar | 1142 | |
1143 | if (function_exists('openssl_random_pseudo_bytes')) { |
||
1144 | // Source: https://www.php.net/manual/en/function.com-create-guid.php#119168 |
||
1145 | $data = openssl_random_pseudo_bytes(16); |
||
1146 | $data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100 |
||
1147 | $data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10 |
||
1148 | return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4)); |
||
1149 | } else { |
||
1150 | // Source: http://rogerstringer.com/2013/11/15/generate-uuids-php |
||
1151 | return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x', |
||
1152 | _random_int( 0, 0xffff ), _random_int( 0, 0xffff ), |
||
1153 | _random_int( 0, 0xffff ), |
||
1154 | _random_int( 0, 0x0fff ) | 0x4000, |
||
1155 | _random_int( 0, 0x3fff ) | 0x8000, |
||
1156 | _random_int( 0, 0xffff ), _random_int( 0, 0xffff ), _random_int( 0, 0xffff ) |
||
1157 | ); |
||
1158 | } |
||
2 | daniel-mar | 1159 | } |
1160 | |||
30 | daniel-mar | 1161 | # -------------------------------------- |
28 | daniel-mar | 1162 | // Variant 1, Version 5 (SHA1 name based) UUID |
30 | daniel-mar | 1163 | # -------------------------------------- |
1164 | |||
1165 | function gen_uuid_v5($namespace_uuid, $name) { |
||
1166 | return gen_uuid_sha1_namebased($namespace_uuid, $name); |
||
1167 | } |
||
2 | daniel-mar | 1168 | function gen_uuid_sha1_namebased($namespace_uuid, $name) { |
31 | daniel-mar | 1169 | if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
1170 | if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
||
1171 | |||
2 | daniel-mar | 1172 | $namespace_uuid = str_replace('-', '', $namespace_uuid); |
1173 | $namespace_uuid = hex2bin($namespace_uuid); |
||
1174 | |||
1175 | $hash = sha1($namespace_uuid.$name); |
||
1176 | $hash[12] = '5'; // Set version: 5 = SHA1 |
||
38 | daniel-mar | 1177 | $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "0b10__" (RFC4122/DCE1.1) |
2 | daniel-mar | 1178 | |
1179 | return substr($hash, 0, 8).'-'. |
||
1180 | substr($hash, 8, 4).'-'. |
||
1181 | substr($hash, 12, 4).'-'. |
||
1182 | substr($hash, 16, 4).'-'. |
||
1183 | substr($hash, 20, 12); |
||
1184 | } |
||
1185 | |||
30 | daniel-mar | 1186 | # -------------------------------------- |
1187 | // Variant 1, Version 6 (Reordered) UUID |
||
1188 | # -------------------------------------- |
||
1189 | |||
1190 | function gen_uuid_v6() { |
||
1191 | return gen_uuid_reordered(); |
||
1192 | } |
||
1193 | function gen_uuid_reordered() { |
||
1194 | // Start with a UUIDv1 |
||
1195 | $uuid = gen_uuid_timebased(); |
||
1196 | |||
1197 | // Convert to UUIDv6 |
||
1198 | return uuid1_to_uuid6($uuid); |
||
1199 | } |
||
1200 | function uuid6_to_uuid1($hex) { |
||
1201 | $hex = uuid_canonize($hex); |
||
1202 | if ($hex === false) return false; |
||
1203 | $hex = preg_replace('@[^0-9A-F]@i', '', $hex); |
||
1204 | $hex = substr($hex, 7, 5). |
||
1205 | substr($hex, 13, 3). |
||
1206 | substr($hex, 3, 4). |
||
1207 | '1' . substr($hex, 0, 3). |
||
1208 | substr($hex, 16); |
||
1209 | return substr($hex, 0, 8).'-'. |
||
1210 | substr($hex, 8, 4).'-'. |
||
1211 | substr($hex, 12, 4).'-'. |
||
1212 | substr($hex, 16, 4).'-'. |
||
1213 | substr($hex, 20, 12); |
||
1214 | } |
||
1215 | function uuid1_to_uuid6($hex) { |
||
1216 | $hex = uuid_canonize($hex); |
||
1217 | if ($hex === false) return false; |
||
1218 | $hex = preg_replace('@[^0-9A-F]@i', '', $hex); |
||
1219 | $hex = substr($hex, 13, 3). |
||
1220 | substr($hex, 8, 4). |
||
1221 | substr($hex, 0, 5). |
||
1222 | '6' . substr($hex, 5, 3). |
||
1223 | substr($hex, 16); |
||
1224 | return substr($hex, 0, 8).'-'. |
||
1225 | substr($hex, 8, 4).'-'. |
||
1226 | substr($hex, 12, 4).'-'. |
||
1227 | substr($hex, 16, 4).'-'. |
||
1228 | substr($hex, 20, 12); |
||
1229 | } |
||
1230 | |||
1231 | # -------------------------------------- |
||
1232 | // Variant 1, Version 7 (Unix Epoch) UUID |
||
1233 | # -------------------------------------- |
||
1234 | |||
70 | daniel-mar | 1235 | function gen_uuid_v7(int $num_ms_frac_bits=12) { |
1236 | return gen_uuid_unix_epoch($num_ms_frac_bits); |
||
30 | daniel-mar | 1237 | } |
70 | daniel-mar | 1238 | function gen_uuid_unix_epoch(int $num_ms_frac_bits=12) { |
1239 | $uuid_nibbles = ''; |
||
30 | daniel-mar | 1240 | |
70 | daniel-mar | 1241 | // Add the timestamp (milliseconds Unix) |
30 | daniel-mar | 1242 | if (function_exists('gmp_init')) { |
1243 | list($ms,$sec) = explode(' ', microtime(false)); |
||
1244 | $sec = gmp_init($sec, 10); |
||
1245 | $ms = gmp_init(substr($ms,2,3), 10); |
||
1246 | $unix_ts = gmp_strval(gmp_add(gmp_mul($sec, '1000'), $ms),16); |
||
1247 | } else { |
||
70 | daniel-mar | 1248 | $unix_ts = dechex((int)ceil(microtime(true)*1000)); |
30 | daniel-mar | 1249 | } |
1250 | $unix_ts = str_pad($unix_ts, 12, '0', STR_PAD_LEFT); |
||
70 | daniel-mar | 1251 | $uuid_nibbles = $unix_ts; |
30 | daniel-mar | 1252 | |
70 | daniel-mar | 1253 | // Version = 7 |
1254 | $uuid_nibbles .= '7'; |
||
30 | daniel-mar | 1255 | |
70 | daniel-mar | 1256 | // Optional: millisecond fraction (max 12 bits) |
1257 | if (($num_ms_frac_bits < 0) || ($num_ms_frac_bits > 12)) throw new Exception("Invalid msec frac bits (must be 0..12)"); |
||
71 | daniel-mar | 1258 | $resolution_ns = 1000000 / pow(2,$num_ms_frac_bits); |
70 | daniel-mar | 1259 | if ($num_ms_frac_bits > 0) { |
71 | daniel-mar | 1260 | $seconds_fraction = (float)explode(' ',microtime(false))[0]; // <sec=0>,<msec> |
70 | daniel-mar | 1261 | |
71 | daniel-mar | 1262 | $ms_fraction = $seconds_fraction * 1000; // <msec>,<us> |
1263 | $ms_fraction -= floor($ms_fraction); // <msec=0>,<us> |
||
1264 | |||
1265 | $ns_fraction = $ms_fraction * 1000000; // <ns> |
||
1266 | $val = (int)ceil($ns_fraction / $resolution_ns); |
||
1267 | |||
70 | daniel-mar | 1268 | // Currently, for the output we only allow frac bits 0, 4, 8, 12 (0-3 nibbles), |
73 | daniel-mar | 1269 | // since UUIDs are usually sorted in their hex notation, and one of the main |
1270 | // reasons for using the sub-millisecond fractions it to increase monotonicity |
||
70 | daniel-mar | 1271 | $num_nibbles = (int)ceil($num_ms_frac_bits/4); |
71 | daniel-mar | 1272 | $uuid_nibbles .= str_pad(dechex($val), $num_nibbles, '0', STR_PAD_LEFT); |
70 | daniel-mar | 1273 | } |
1274 | |||
1275 | // TODO Not implemented: Optional counter (to be defined as parameter to this method) |
||
1276 | // The counter bits need to be spread before and after the variant bits |
||
1277 | |||
1278 | // Fill with random bits (and the variant bits) |
||
1279 | $uuid = gen_uuid_random(); |
||
1280 | $uuid = str_replace('-', '', $uuid); |
||
1281 | for ($i=0; $i<strlen($uuid_nibbles); $i++) $uuid[$i] = $uuid_nibbles[$i]; |
||
1282 | |||
1283 | // Wait to make sure that the time part changes if multiple UUIDs are generated |
||
71 | daniel-mar | 1284 | if (time_nanosleep(0,(int)ceil($resolution_ns)) !== true) usleep((int)ceil($resolution_ns/1000)); |
70 | daniel-mar | 1285 | |
1286 | // Output |
||
1287 | return substr($uuid, 0, 8).'-'. |
||
1288 | substr($uuid, 8, 4).'-'. |
||
1289 | substr($uuid, 12, 4).'-'. |
||
1290 | substr($uuid, 16, 4).'-'. |
||
1291 | substr($uuid, 20, 12); |
||
30 | daniel-mar | 1292 | } |
1293 | |||
1294 | # -------------------------------------- |
||
34 | daniel-mar | 1295 | // Variant 1, Version 8 (Custom) UUID |
1296 | # -------------------------------------- |
||
30 | daniel-mar | 1297 | |
34 | daniel-mar | 1298 | function gen_uuid_v8($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit) { |
1299 | return gen_uuid_custom($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit); |
||
1300 | } |
||
1301 | function gen_uuid_custom($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit) { |
||
1302 | if (preg_replace('@[0-9A-F]@i', '', $block1_32bit) != '') throw new Exception("Invalid data for block 1. Must be hex input"); |
||
1303 | if (preg_replace('@[0-9A-F]@i', '', $block2_16bit) != '') throw new Exception("Invalid data for block 2. Must be hex input"); |
||
1304 | if (preg_replace('@[0-9A-F]@i', '', $block3_12bit) != '') throw new Exception("Invalid data for block 3. Must be hex input"); |
||
1305 | if (preg_replace('@[0-9A-F]@i', '', $block4_14bit) != '') throw new Exception("Invalid data for block 4. Must be hex input"); |
||
1306 | if (preg_replace('@[0-9A-F]@i', '', $block5_48bit) != '') throw new Exception("Invalid data for block 5. Must be hex input"); |
||
1307 | |||
1308 | $block1 = str_pad(substr($block1_32bit, -8), 8, '0', STR_PAD_LEFT); |
||
1309 | $block2 = str_pad(substr($block2_16bit, -4), 4, '0', STR_PAD_LEFT); |
||
1310 | $block3 = str_pad(substr($block3_12bit, -4), 4, '0', STR_PAD_LEFT); |
||
1311 | $block4 = str_pad(substr($block4_14bit, -4), 4, '0', STR_PAD_LEFT); |
||
1312 | $block5 = str_pad(substr($block5_48bit,-12), 12, '0', STR_PAD_LEFT); |
||
1313 | |||
1314 | $block3[0] = '8'; // Version 8 = Custom |
||
38 | daniel-mar | 1315 | $block4[0] = dechex(hexdec($block4[0]) & 0b0011 | 0b1000); // Variant 0b10__ = RFC4122 |
34 | daniel-mar | 1316 | |
1317 | return strtolower($block1.'-'.$block2.'-'.$block3.'-'.$block4.'-'.$block5); |
||
1318 | } |
||
1319 | |||
69 | daniel-mar | 1320 | function gen_uuid_v8_namebased($hash_algo, $namespace_uuid, $name) { |
1321 | if (($hash_algo ?? '') === '') throw new Exception("Hash algorithm argument missing"); |
||
60 | daniel-mar | 1322 | |
61 | daniel-mar | 1323 | if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
1324 | if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
||
1325 | |||
75 | daniel-mar | 1326 | $uuid1 = uuid_valid($hash_algo) ? hex2bin(str_replace('-','',uuid_canonize($hash_algo))) : ''; // old "hash space" concept (dropped in Internet Draft 12) |
60 | daniel-mar | 1327 | $uuid2 = hex2bin(str_replace('-','',uuid_canonize($namespace_uuid))); |
1328 | $payload = $uuid1 . $uuid2 . $name; |
||
1329 | |||
69 | daniel-mar | 1330 | if (uuid_valid($hash_algo)) { |
75 | daniel-mar | 1331 | if (uuid_equal($hash_algo, '59031ca3-fbdb-47fb-9f6c-0f30e2e83145')) $hash_algo = 'sha224'; |
1332 | if (uuid_equal($hash_algo, '3fb32780-953c-4464-9cfd-e85dbbe9843d')) $hash_algo = 'sha256'; |
||
1333 | if (uuid_equal($hash_algo, 'e6800581-f333-484b-8778-601ff2b58da8')) $hash_algo = 'sha384'; |
||
1334 | if (uuid_equal($hash_algo, '0fde22f2-e7ba-4fd1-9753-9c2ea88fa3f9')) $hash_algo = 'sha512'; |
||
1335 | if (uuid_equal($hash_algo, '003c2038-c4fe-4b95-a672-0c26c1b79542')) $hash_algo = 'sha512/224'; |
||
1336 | if (uuid_equal($hash_algo, '9475ad00-3769-4c07-9642-5e7383732306')) $hash_algo = 'sha512/256'; |
||
1337 | if (uuid_equal($hash_algo, '9768761f-ac5a-419e-a180-7ca239e8025a')) $hash_algo = 'sha3-224'; |
||
1338 | if (uuid_equal($hash_algo, '2034d66b-4047-4553-8f80-70e593176877')) $hash_algo = 'sha3-256'; |
||
1339 | if (uuid_equal($hash_algo, '872fb339-2636-4bdd-bda6-b6dc2a82b1b3')) $hash_algo = 'sha3-384'; |
||
1340 | if (uuid_equal($hash_algo, 'a4920a5d-a8a6-426c-8d14-a6cafbe64c7b')) $hash_algo = 'sha3-512'; |
||
1341 | if (uuid_equal($hash_algo, '7ea218f6-629a-425f-9f88-7439d63296bb')) $hash_algo = 'shake128'; |
||
1342 | if (uuid_equal($hash_algo, '2e7fc6a4-2919-4edc-b0ba-7d7062ce4f0a')) $hash_algo = 'shake256'; |
||
60 | daniel-mar | 1343 | } |
1344 | |||
69 | daniel-mar | 1345 | if ($hash_algo == 'shake128') $hash = shake128($payload, 16/*min. required bytes*/, false); |
1346 | else if ($hash_algo == 'shake256') $hash = shake256($payload, 16/*min. required bytes*/, false); |
||
1347 | else $hash = hash($hash_algo, $payload, false); |
||
1348 | |||
60 | daniel-mar | 1349 | if ($hash == null) { |
69 | daniel-mar | 1350 | throw new Exception("Unknown Hash Algorithm $hash_algo"); |
60 | daniel-mar | 1351 | } |
1352 | |||
73 | daniel-mar | 1353 | $hash = str_pad($hash, 32, '0', STR_PAD_RIGHT); // fill short hashes with zeros to the right |
1354 | |||
60 | daniel-mar | 1355 | $hash[12] = '8'; // Set version: 8 = Custom |
1356 | $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "0b10__" (RFC4122/DCE1.1) |
||
1357 | |||
1358 | return substr($hash, 0, 8).'-'. |
||
63 | daniel-mar | 1359 | substr($hash, 8, 4).'-'. |
1360 | substr($hash, 12, 4).'-'. |
||
1361 | substr($hash, 16, 4).'-'. |
||
1362 | substr($hash, 20, 12); |
||
60 | daniel-mar | 1363 | } |
1364 | |||
34 | daniel-mar | 1365 | # -------------------------------------- |
1366 | |||
2 | daniel-mar | 1367 | // http://php.net/manual/de/function.hex2bin.php#113057 |
38 | daniel-mar | 1368 | if (!function_exists('hex2bin')) { |
1369 | function hex2bin($str) { |
||
2 | daniel-mar | 1370 | $sbin = ""; |
38 | daniel-mar | 1371 | $len = strlen($str); |
2 | daniel-mar | 1372 | for ( $i = 0; $i < $len; $i += 2 ) { |
38 | daniel-mar | 1373 | $sbin .= pack("H*", substr($str, $i, 2)); |
2 | daniel-mar | 1374 | } |
1375 | return $sbin; |
||
1376 | } |
||
1377 | } |
||
38 | daniel-mar | 1378 | |
1379 | // https://stackoverflow.com/questions/72127764/shift-right-left-bitwise-operators-in-php7-gmp-extension |
||
1380 | if (!function_exists('gmp_shiftl')) { |
||
1381 | function gmp_shiftl($x,$n) { // shift left |
||
1382 | return(gmp_mul($x,gmp_pow(2,$n))); |
||
1383 | } |
||
1384 | } |
||
1385 | |||
1386 | if (!function_exists('gmp_shiftr')) { |
||
1387 | function gmp_shiftr($x,$n) { // shift right |
||
1388 | return(gmp_div_q($x,gmp_pow(2,$n))); |
||
1389 | } |
||
1390 | } |
||
57 | daniel-mar | 1391 | |
1392 | function shake128(string $msg, int $outputLength=512, bool $binary=false): string { |
||
63 | daniel-mar | 1393 | include_once __DIR__.'/SHA3.php'; |
57 | daniel-mar | 1394 | $sponge = SHA3::init(SHA3::SHAKE128); |
1395 | $sponge->absorb($msg); |
||
1396 | $bin = $sponge->squeeze($outputLength); |
||
1397 | return $binary ? $bin : bin2hex($bin); |
||
1398 | } |
||
1399 | |||
1400 | function shake256(string $msg, int $outputLength=512, bool $binary=false): string { |
||
63 | daniel-mar | 1401 | include_once __DIR__.'/SHA3.php'; |
57 | daniel-mar | 1402 | $sponge = SHA3::init(SHA3::SHAKE256); |
1403 | $sponge->absorb($msg); |
||
1404 | $bin = $sponge->squeeze($outputLength); |
||
1405 | return $binary ? $bin : bin2hex($bin); |
||
1406 | } |