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Class ParagonIE_Sodium_Core_Util
| File Size: | 951 lines (28 kb) |
| Included or required: | 0 times |
| Referenced: | 0 times |
| Includes or requires: | 0 files |
| abs($integer, $size = 0) X-Ref |
param: int $integer param: int $size (16, 32, 64) return: int |
| bin2hex($binaryString) X-Ref |
| Convert a binary string into a hexadecimal string without cache-timing leaks param: string $binaryString (raw binary) return: string |
| bin2hexUpper($bin_string) X-Ref |
| Convert a binary string into a hexadecimal string without cache-timing leaks, returning uppercase letters (as per RFC 4648) param: string $bin_string (raw binary) return: string |
| chrToInt($chr) X-Ref |
| Cache-timing-safe variant of ord() param: string $chr return: int |
| compare($left, $right, $len = null) X-Ref |
| Compares two strings. param: string $left param: string $right param: int $len return: int |
| declareScalarType(&$mixedVar = null, $type = 'void', $argumentIndex = 0) X-Ref |
| If a variable does not match a given type, throw a TypeError. param: mixed $mixedVar param: string $type param: int $argumentIndex return: void |
| hashEquals($left, $right) X-Ref |
| Evaluate whether or not two strings are equal (in constant-time) param: string $left param: string $right return: bool |
| hash_update(&$hs, $data) X-Ref |
| Catch hash_update() failures and throw instead of silently proceeding param: HashContext|resource &$hs param: string $data return: void |
| hex2bin($hexString, $strictPadding = false) X-Ref |
| Convert a hexadecimal string into a binary string without cache-timing leaks param: string $hexString param: bool $strictPadding return: string (raw binary) |
| intArrayToString(array $ints) X-Ref |
| Turn an array of integers into a string param: array<int, int> $ints return: string |
| intToChr($int) X-Ref |
| Cache-timing-safe variant of ord() param: int $int return: string |
| load_3($string) X-Ref |
| Load a 3 character substring into an integer param: string $string return: int |
| load_4($string) X-Ref |
| Load a 4 character substring into an integer param: string $string return: int |
| load64_le($string) X-Ref |
| Load a 8 character substring into an integer param: string $string return: int |
| memcmp($left, $right) X-Ref |
param: string $left param: string $right return: int |
| mul($a, $b, $size = 0) X-Ref |
| Multiply two integers in constant-time Micro-architecture timing side-channels caused by how your CPU implements multiplication are best prevented by never using the multiplication operators and ensuring that our code always takes the same number of operations to complete, regardless of the values of $a and $b. param: int $a param: int $b param: int $size Limits the number of operations (useful for small, return: int |
| numericTo64BitInteger($num) X-Ref |
| Convert any arbitrary numbers into two 32-bit integers that represent a 64-bit integer. param: int|float $num return: array<int, int> |
| store_3($int) X-Ref |
| Store a 24-bit integer into a string, treating it as big-endian. param: int $int return: string |
| store32_le($int) X-Ref |
| Store a 32-bit integer into a string, treating it as little-endian. param: int $int return: string |
| store_4($int) X-Ref |
| Store a 32-bit integer into a string, treating it as big-endian. param: int $int return: string |
| store64_le($int) X-Ref |
| Stores a 64-bit integer as an string, treating it as little-endian. param: int $int return: string |
| strlen($str) X-Ref |
| Safe string length param: string $str return: int |
| stringToIntArray($string) X-Ref |
| Turn a string into an array of integers param: string $string return: array<int, int> |
| substr($str, $start = 0, $length = null) X-Ref |
| Safe substring param: string $str param: int $start param: int $length return: string |
| verify_16($a, $b) X-Ref |
| Compare a 16-character byte string in constant time. param: string $a param: string $b return: bool |
| verify_32($a, $b) X-Ref |
| Compare a 32-character byte string in constant time. param: string $a param: string $b return: bool |
| xorStrings($a, $b) X-Ref |
| Calculate $a ^ $b for two strings. param: string $a param: string $b return: string |
| isMbStringOverride() X-Ref |
| Returns whether or not mbstring.func_overload is in effect. return: bool |
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