Lines Matching defs:key

84      * max possible size of $key
142                 // This three $des'es will do the 3CBC work (if $key > 64bits)
206      * Sets the key length.
208      * Valid key lengths are 128 and 192 bits.
210      * If you want to use a 64-bit key use DES.php
213      * @throws \LengthException if the key length is invalid
230      * Sets the key.
232      * Triple DES can use 128-bit (eg. strlen($key) == 16) or 192-bit (eg. strlen($key) == 24) keys.
238      * @throws \LengthException if the key length is invalid
239      * @param string $key
241     public function setKey($key)
243         if ($this->explicit_key_length !== false && strlen($key) != $this->explicit_key_length) {
244             throw new \LengthException('Key length has already been set to ' . $this->explicit_key_length . ' bytes and this key is ' . strlen($key) . ' bytes');
247         switch (strlen($key)) {
249                 $key .= substr($key, 0, 8);
254                 throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16 or 24 are supported');
258         $this->key = $key;
259         $this->key_length = strlen($key);
264             $this->des[0]->setKey(substr($key, 0, 8));
265             $this->des[1]->setKey(substr($key, 8, 8));
266             $this->des[2]->setKey(substr($key, 16, 8));
280         // except for: self::MODE_3CBC (inner chaining CBC) with a key > 64bits
282         // if the key is smaller then 8, do what we'd normally do
283         if ($this->mode_3cbc && strlen($this->key) > 8) {
305         if ($this->mode_3cbc && strlen($this->key) > 8) {
386      * Creates the key schedule
394             // if $key <= 64bits we configure our internal pure-php cipher engine
396             case strlen($this->key) <= 8:
400             // otherwise, if $key > 64bits, we configure our engine to work as 3DES.
411                     // not need unnecessary stress parent::setupKey() with our, now unused, $key.
415         // setup our key