Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
100.00% |
35 / 35 |
|
100.00% |
9 / 9 |
CRAP | |
100.00% |
1 / 1 |
| Password | |
100.00% |
35 / 35 |
|
100.00% |
9 / 9 |
9 | |
100.00% |
1 / 1 |
| hash | |
100.00% |
7 / 7 |
|
100.00% |
1 / 1 |
1 | |||
| needsRehash | |
100.00% |
7 / 7 |
|
100.00% |
1 / 1 |
1 | |||
| verify | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| setOpsLimit | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getOpsLimit | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| setMemLimit | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getMemLimit | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getSodiumOpsLimit | |
100.00% |
8 / 8 |
|
100.00% |
1 / 1 |
1 | |||
| getSodiumMemLimit | |
100.00% |
8 / 8 |
|
100.00% |
1 / 1 |
1 | |||
| 1 | <?php declare(strict_types=1); |
| 2 | /* |
| 3 | * This file is part of Aplus Framework Crypto Library. |
| 4 | * |
| 5 | * (c) Natan Felles <natanfelles@gmail.com> |
| 6 | * |
| 7 | * For the full copyright and license information, please view the LICENSE |
| 8 | * file that was distributed with this source code. |
| 9 | */ |
| 10 | namespace Framework\Crypto; |
| 11 | |
| 12 | use InvalidArgumentException; |
| 13 | use SensitiveParameter; |
| 14 | use SodiumException; |
| 15 | |
| 16 | /** |
| 17 | * Class Password. |
| 18 | * |
| 19 | * @package crypto |
| 20 | */ |
| 21 | class Password |
| 22 | { |
| 23 | /** |
| 24 | * Used to set operations or memory limit as interactive. |
| 25 | * It enables the use of 2 CPU operations or 64 MB RAM. |
| 26 | * |
| 27 | * @var int |
| 28 | */ |
| 29 | public const LIMIT_INTERACTIVE = 0; |
| 30 | /** |
| 31 | * Used to set operations or memory limit as moderate. |
| 32 | * It enables the use of 3 CPU operations or 256 MB RAM. |
| 33 | * |
| 34 | * @var int |
| 35 | */ |
| 36 | public const LIMIT_MODERATE = 1; |
| 37 | /** |
| 38 | * Used to set operations or memory limit as sensitive. |
| 39 | * It enables the use of 4 CPU operations or 1 GB RAM. |
| 40 | * |
| 41 | * @var int |
| 42 | */ |
| 43 | public const LIMIT_SENSITIVE = 2; |
| 44 | protected static int $opsLimit = Password::LIMIT_INTERACTIVE; |
| 45 | protected static int $memLimit = Password::LIMIT_INTERACTIVE; |
| 46 | |
| 47 | /** |
| 48 | * Makes a password hash. |
| 49 | * |
| 50 | * @param string $password |
| 51 | * @param int|null $opslimit A Password constant or null to use the default |
| 52 | * set for opslimit |
| 53 | * @param int|null $memlimit A Password constant or null to use the default |
| 54 | * set for memlimit. Typically, it should be paired with the opslimit value |
| 55 | * |
| 56 | * @see Password::LIMIT_INTERACTIVE |
| 57 | * @see Password::LIMIT_MODERATE |
| 58 | * @see Password::LIMIT_SENSITIVE |
| 59 | * |
| 60 | * @throws SodiumException |
| 61 | * |
| 62 | * @return string |
| 63 | */ |
| 64 | public static function hash( |
| 65 | #[SensitiveParameter] string $password, |
| 66 | int $opslimit = null, |
| 67 | int $memlimit = null |
| 68 | ) : string { |
| 69 | $opslimit ??= static::getOpsLimit(); |
| 70 | $memlimit ??= static::getMemLimit(); |
| 71 | return \sodium_crypto_pwhash_str( |
| 72 | $password, |
| 73 | static::getSodiumOpsLimit($opslimit), |
| 74 | static::getSodiumMemLimit($memlimit) |
| 75 | ); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Checks if a hash needs to be rehashed based on the ops and mem limits. |
| 80 | * |
| 81 | * @param string $hash |
| 82 | * @param int|null $opslimit A Password constant or null to use the default |
| 83 | * set for opslimit |
| 84 | * @param int|null $memlimit A Password constant or null to use the default |
| 85 | * set for memlimit |
| 86 | * |
| 87 | * @return bool |
| 88 | */ |
| 89 | public static function needsRehash( |
| 90 | #[SensitiveParameter] string $hash, |
| 91 | int $opslimit = null, |
| 92 | int $memlimit = null |
| 93 | ) : bool { |
| 94 | $opslimit ??= static::getOpsLimit(); |
| 95 | $memlimit ??= static::getMemLimit(); |
| 96 | return \sodium_crypto_pwhash_str_needs_rehash( |
| 97 | $hash, |
| 98 | static::getSodiumOpsLimit($opslimit), |
| 99 | static::getSodiumMemLimit($memlimit) |
| 100 | ); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Verifies a password against a hash. |
| 105 | * |
| 106 | * @param string $password |
| 107 | * @param string $hash |
| 108 | * |
| 109 | * @throws SodiumException |
| 110 | * |
| 111 | * @return bool |
| 112 | */ |
| 113 | public static function verify( |
| 114 | #[SensitiveParameter] string $password, |
| 115 | #[SensitiveParameter] string $hash |
| 116 | ) : bool { |
| 117 | return \sodium_crypto_pwhash_str_verify($hash, $password); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Sets the default Password operations limit. |
| 122 | * |
| 123 | * @param int $opsLimit A Password constant value |
| 124 | * |
| 125 | * @see Password::LIMIT_INTERACTIVE |
| 126 | * @see Password::LIMIT_MODERATE |
| 127 | * @see Password::LIMIT_SENSITIVE |
| 128 | */ |
| 129 | public static function setOpsLimit(int $opsLimit) : void |
| 130 | { |
| 131 | static::$opsLimit = $opsLimit; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Gets the default Password operations limit constant value. |
| 136 | * |
| 137 | * @return int |
| 138 | */ |
| 139 | public static function getOpsLimit() : int |
| 140 | { |
| 141 | return static::$opsLimit; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Sets the default Password memory limit. |
| 146 | * |
| 147 | * @param int $memLimit A Password constant value. Typically, it should be |
| 148 | * paired with the opslimit value |
| 149 | * |
| 150 | * @see Password::LIMIT_INTERACTIVE |
| 151 | * @see Password::LIMIT_MODERATE |
| 152 | * @see Password::LIMIT_SENSITIVE |
| 153 | */ |
| 154 | public static function setMemLimit(int $memLimit) : void |
| 155 | { |
| 156 | static::$memLimit = $memLimit; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Gets the default Password memory limit constant value. |
| 161 | * |
| 162 | * @return int |
| 163 | */ |
| 164 | public static function getMemLimit() : int |
| 165 | { |
| 166 | return static::$memLimit; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Gets an appropriate sodium operations limit value from a Password constant. |
| 171 | * |
| 172 | * @param int $constant |
| 173 | * |
| 174 | * @throws InvalidArgumentException if constant value is invalid |
| 175 | * |
| 176 | * @return int |
| 177 | */ |
| 178 | protected static function getSodiumOpsLimit(int $constant) : int |
| 179 | { |
| 180 | return match ($constant) { |
| 181 | static::LIMIT_INTERACTIVE => \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE, |
| 182 | static::LIMIT_MODERATE => \SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE, |
| 183 | static::LIMIT_SENSITIVE => \SODIUM_CRYPTO_PWHASH_OPSLIMIT_SENSITIVE, |
| 184 | default => throw new InvalidArgumentException( |
| 185 | 'Invalid opslimit value: ' . $constant |
| 186 | ) |
| 187 | }; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Gets an appropriate sodium memory limit value from a Password constant. |
| 192 | * |
| 193 | * @param int $constant |
| 194 | * |
| 195 | * @throws InvalidArgumentException if constant value is invalid |
| 196 | * |
| 197 | * @return int |
| 198 | */ |
| 199 | protected static function getSodiumMemLimit(int $constant) : int |
| 200 | { |
| 201 | return match ($constant) { |
| 202 | static::LIMIT_INTERACTIVE => \SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE, |
| 203 | static::LIMIT_MODERATE => \SODIUM_CRYPTO_PWHASH_MEMLIMIT_MODERATE, |
| 204 | static::LIMIT_SENSITIVE => \SODIUM_CRYPTO_PWHASH_MEMLIMIT_SENSITIVE, |
| 205 | default => throw new InvalidArgumentException( |
| 206 | 'Invalid memlimit value: ' . $constant |
| 207 | ) |
| 208 | }; |
| 209 | } |
| 210 | } |