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| 1 <!DOCTYPE html> | |
| 2 <html><head> | |
| 3 <title>eric7.EricUtilities.crypto.py3PBKDF2</title> | |
| 4 <meta charset="UTF-8"> | |
| 5 <link rel="stylesheet" href="styles.css"> | |
| 6 </head> | |
| 7 <body> | |
| 8 <a NAME="top" ID="top"></a> | |
| 9 <h1>eric7.EricUtilities.crypto.py3PBKDF2</h1> | |
| 10 <p> | |
| 11 Module implementing PBKDF2 functions. | |
| 12 </p> | |
| 13 | |
| 14 <h3>Global Attributes</h3> | |
| 15 <table> | |
| 16 <tr><td>Delimiter</td></tr> | |
| 17 <tr><td>Hashes</td></tr> | |
| 18 </table> | |
| 19 | |
| 20 <h3>Classes</h3> | |
| 21 <table> | |
| 22 <tr><td>None</td></tr> | |
| 23 </table> | |
| 24 | |
| 25 <h3>Functions</h3> | |
| 26 <table> | |
| 27 <tr> | |
| 28 <td><a href="#hashPassword">hashPassword</a></td> | |
| 29 <td>Module function to hash a password according to the PBKDF2 specification.</td> | |
| 30 </tr> | |
| 31 <tr> | |
| 32 <td><a href="#hashPasswordTuple">hashPasswordTuple</a></td> | |
| 33 <td>Module function to hash a password according to the PBKDF2 specification.</td> | |
| 34 </tr> | |
| 35 <tr> | |
| 36 <td><a href="#pbkdf2">pbkdf2</a></td> | |
| 37 <td>Module function to hash a password according to the PBKDF2 specification.</td> | |
| 38 </tr> | |
| 39 <tr> | |
| 40 <td><a href="#rehashPassword">rehashPassword</a></td> | |
| 41 <td>Module function to recreate a password hash given the hash parameters.</td> | |
| 42 </tr> | |
| 43 <tr> | |
| 44 <td><a href="#verifyPassword">verifyPassword</a></td> | |
| 45 <td>Module function to verify a password against a hash encoded password.</td> | |
| 46 </tr> | |
| 47 </table> | |
| 48 | |
| 49 <hr /> | |
| 50 <hr /> | |
| 51 <a NAME="hashPassword" ID="hashPassword"></a> | |
| 52 <h2>hashPassword</h2> | |
| 53 <b>hashPassword</b>(<i>password, digestMod=hashlib.sha512, iterations=10000, saltSize=32</i>) | |
| 54 <p> | |
| 55 Module function to hash a password according to the PBKDF2 specification. | |
| 56 </p> | |
| 57 | |
| 58 <dl> | |
| 59 | |
| 60 <dt><i>password</i> (str)</dt> | |
| 61 <dd> | |
| 62 clear text password | |
| 63 </dd> | |
| 64 <dt><i>digestMod</i> (function)</dt> | |
| 65 <dd> | |
| 66 hash function | |
| 67 </dd> | |
| 68 <dt><i>iterations</i> (int)</dt> | |
| 69 <dd> | |
| 70 number of times hash function should be applied | |
| 71 </dd> | |
| 72 <dt><i>saltSize</i> (int)</dt> | |
| 73 <dd> | |
| 74 size of the salt | |
| 75 </dd> | |
| 76 </dl> | |
| 77 <dl> | |
| 78 <dt>Return:</dt> | |
| 79 <dd> | |
| 80 hashed password entry according to PBKDF2 specification | |
| 81 </dd> | |
| 82 </dl> | |
| 83 <dl> | |
| 84 <dt>Return Type:</dt> | |
| 85 <dd> | |
| 86 str | |
| 87 </dd> | |
| 88 </dl> | |
| 89 <div align="right"><a href="#top">Up</a></div> | |
| 90 <hr /> | |
| 91 <hr /> | |
| 92 <a NAME="hashPasswordTuple" ID="hashPasswordTuple"></a> | |
| 93 <h2>hashPasswordTuple</h2> | |
| 94 <b>hashPasswordTuple</b>(<i>password, digestMod=hashlib.sha512, iterations=10000, saltSize=32</i>) | |
| 95 <p> | |
| 96 Module function to hash a password according to the PBKDF2 specification. | |
| 97 </p> | |
| 98 | |
| 99 <dl> | |
| 100 | |
| 101 <dt><i>password</i> (str)</dt> | |
| 102 <dd> | |
| 103 clear text password | |
| 104 </dd> | |
| 105 <dt><i>digestMod</i> (function)</dt> | |
| 106 <dd> | |
| 107 hash function | |
| 108 </dd> | |
| 109 <dt><i>iterations</i> (int)</dt> | |
| 110 <dd> | |
| 111 number of times hash function should be applied | |
| 112 </dd> | |
| 113 <dt><i>saltSize</i> (int)</dt> | |
| 114 <dd> | |
| 115 size of the salt | |
| 116 </dd> | |
| 117 </dl> | |
| 118 <dl> | |
| 119 <dt>Return:</dt> | |
| 120 <dd> | |
| 121 tuple of digestname, number of iterations, salt and hashed password | |
| 122 </dd> | |
| 123 </dl> | |
| 124 <dl> | |
| 125 <dt>Return Type:</dt> | |
| 126 <dd> | |
| 127 tuple of (str, int, bytes, bytes) | |
| 128 </dd> | |
| 129 </dl> | |
| 130 <div align="right"><a href="#top">Up</a></div> | |
| 131 <hr /> | |
| 132 <hr /> | |
| 133 <a NAME="pbkdf2" ID="pbkdf2"></a> | |
| 134 <h2>pbkdf2</h2> | |
| 135 <b>pbkdf2</b>(<i>password, salt, iterations, digestMod</i>) | |
| 136 <p> | |
| 137 Module function to hash a password according to the PBKDF2 specification. | |
| 138 </p> | |
| 139 | |
| 140 <dl> | |
| 141 | |
| 142 <dt><i>password</i> (bytes)</dt> | |
| 143 <dd> | |
| 144 clear text password | |
| 145 </dd> | |
| 146 <dt><i>salt</i> (bytes)</dt> | |
| 147 <dd> | |
| 148 salt value | |
| 149 </dd> | |
| 150 <dt><i>iterations</i> (int)</dt> | |
| 151 <dd> | |
| 152 number of times hash function should be applied | |
| 153 </dd> | |
| 154 <dt><i>digestMod</i> (function)</dt> | |
| 155 <dd> | |
| 156 hash function | |
| 157 </dd> | |
| 158 </dl> | |
| 159 <dl> | |
| 160 <dt>Return:</dt> | |
| 161 <dd> | |
| 162 hashed password | |
| 163 </dd> | |
| 164 </dl> | |
| 165 <dl> | |
| 166 <dt>Return Type:</dt> | |
| 167 <dd> | |
| 168 bytes | |
| 169 </dd> | |
| 170 </dl> | |
| 171 <div align="right"><a href="#top">Up</a></div> | |
| 172 <hr /> | |
| 173 <hr /> | |
| 174 <a NAME="rehashPassword" ID="rehashPassword"></a> | |
| 175 <h2>rehashPassword</h2> | |
| 176 <b>rehashPassword</b>(<i>password, hashParameters</i>) | |
| 177 <p> | |
| 178 Module function to recreate a password hash given the hash parameters. | |
| 179 </p> | |
| 180 | |
| 181 <dl> | |
| 182 | |
| 183 <dt><i>password</i> (str)</dt> | |
| 184 <dd> | |
| 185 clear text password | |
| 186 </dd> | |
| 187 <dt><i>hashParameters</i> (str)</dt> | |
| 188 <dd> | |
| 189 hash parameters in the form | |
| 190 'digestmod$iterations$salt' | |
| 191 </dd> | |
| 192 </dl> | |
| 193 <dl> | |
| 194 <dt>Return:</dt> | |
| 195 <dd> | |
| 196 hashed password | |
| 197 </dd> | |
| 198 </dl> | |
| 199 <dl> | |
| 200 <dt>Return Type:</dt> | |
| 201 <dd> | |
| 202 bytes | |
| 203 </dd> | |
| 204 </dl> | |
| 205 <dl> | |
| 206 | |
| 207 <dt>Raises <b>ValueError</b>:</dt> | |
| 208 <dd> | |
| 209 the hash parameters string is not of the expected | |
| 210 format or the digest is not one of the known ones | |
| 211 </dd> | |
| 212 </dl> | |
| 213 <div align="right"><a href="#top">Up</a></div> | |
| 214 <hr /> | |
| 215 <hr /> | |
| 216 <a NAME="verifyPassword" ID="verifyPassword"></a> | |
| 217 <h2>verifyPassword</h2> | |
| 218 <b>verifyPassword</b>(<i>password, pwHash</i>) | |
| 219 <p> | |
| 220 Module function to verify a password against a hash encoded password. | |
| 221 </p> | |
| 222 | |
| 223 <dl> | |
| 224 | |
| 225 <dt><i>password</i> (str)</dt> | |
| 226 <dd> | |
| 227 clear text password | |
| 228 </dd> | |
| 229 <dt><i>pwHash</i> (str)</dt> | |
| 230 <dd> | |
| 231 hash encoded password in the form | |
| 232 'digestmod$iterations$salt$hashed_password' as produced by the | |
| 233 hashPassword function | |
| 234 </dd> | |
| 235 </dl> | |
| 236 <dl> | |
| 237 <dt>Return:</dt> | |
| 238 <dd> | |
| 239 flag indicating a successfull verification | |
| 240 </dd> | |
| 241 </dl> | |
| 242 <dl> | |
| 243 <dt>Return Type:</dt> | |
| 244 <dd> | |
| 245 bool | |
| 246 </dd> | |
| 247 </dl> | |
| 248 <dl> | |
| 249 | |
| 250 <dt>Raises <b>ValueError</b>:</dt> | |
| 251 <dd> | |
| 252 the hash is not of the expected format or the | |
| 253 digest is not one of the known ones | |
| 254 </dd> | |
| 255 </dl> | |
| 256 <div align="right"><a href="#top">Up</a></div> | |
| 257 <hr /> | |
| 258 </body></html> |
