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<?php |
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namespace DeveloperH\Knet\SDK; |
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class Client |
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{ |
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public function decrypt($code, $key) |
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{ |
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$code = $this->hex2ByteArray(trim($code)); |
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$code = $this->byteArray2String($code); |
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$iv = $key; |
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$code = base64_encode($code); |
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$decrypted = openssl_decrypt($code, 'AES-128-CBC', $key, OPENSSL_ZERO_PADDING, $iv); |
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return $this->pkcs5_unpad($decrypted); |
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} |
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public function hex2ByteArray($hexString) |
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{ |
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$string = hex2bin($hexString); |
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return unpack('C*', $string); |
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} |
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public function byteArray2String($byteArray) |
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{ |
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$chars = array_map('chr', $byteArray); |
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return implode($chars); |
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} |
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public function pkcs5_unpad($text) |
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{ |
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$pad = ord($text[strlen($text) - 1]); |
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if ($pad > strlen($text)) { |
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return ''; |
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} |
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if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) { |
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return ''; |
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} |
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return substr($text, 0, -1 * $pad); |
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} |
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public function encryptAES($str, $key) |
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{ |
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$str = $this->pkcs5_pad($str); |
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$encrypted = openssl_encrypt($str, 'AES-128-CBC', $key, OPENSSL_ZERO_PADDING, $key); |
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$encrypted = base64_decode($encrypted); |
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$encrypted = unpack('C*', ($encrypted)); |
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$encrypted = $this->byteArray2Hex($encrypted); |
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$encrypted = urlencode($encrypted); |
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return $encrypted; |
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} |
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public function pkcs5_pad($text) |
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{ |
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$blocksize = 16; |
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$pad = $blocksize - (strlen($text) % $blocksize); |
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return $text.str_repeat(chr($pad), $pad); |
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} |
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public function byteArray2Hex($byteArray) |
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{ |
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$chars = array_map('chr', $byteArray); |
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$bin = implode($chars); |
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return bin2hex($bin); |
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} |
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} |
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developh /
knet-payment
