이니시스 본인인증 모듈 최근것으로 적용

plugin/inicert/libs/INILib.php

@@ -0,0 +1,77 @@
+<?php
+
+function String2Hex($string) {
+    $hex = array();
+    for ($i = 0; $i < strlen($string); $i++) {
+        $hex[] = dechex(ord($string[$i]));
+    }
+    return $hex;
+}
+
+function Hex2String($hex) {
+    $str = "";
+    for ($i = 0; $i < count($hex); $i++) {
+        $str .= chr(hexdec($hex[$i]));
+    }
+    return $str;
+}
+
+function encrypt_SEED($str, $bszUser_key, $bszIV) {
+    $planBytes = String2Hex($str);
+    $keyBytes = String2Hex(base64_decode($bszUser_key));
+    $IVBytes = String2Hex(($bszIV));
+
+    for ($i = 0; $i < 16; $i++) {
+        $keyBytes[$i] = hexdec(($keyBytes[$i]));
+        $IVBytes[$i] = hexdec(($IVBytes[$i]));
+    }
+
+    for ($i = 0; $i < count($planBytes); $i++) {
+        $planBytes[$i] = hexdec($planBytes[$i]);
+    }
+
+    if (count($planBytes) == 0) {
+        return $str;
+    }
+    $ret = null;
+    $bszChiperText = null;
+    $pdwRoundKey = array_pad(array(), 32, 0);
+
+    $bszChiperText = KISA_SEED_CBC::SEED_CBC_Encrypt($keyBytes, $IVBytes, $planBytes, 0, count($planBytes));
+    $r = count($bszChiperText);
+
+    for ($i = 0; $i < $r; $i++) {
+        $ret[] = sprintf("%02X", $bszChiperText[$i]);
+    }
+    return base64_encode(Hex2String($ret));
+}
+
+function decrypt_SEED($str, $bszUser_key, $bszIV) {
+    $planBytes = String2Hex(base64_decode($str));
+    $keyBytes = String2Hex(base64_decode($bszUser_key));
+    $IVBytes = String2Hex(($bszIV));
+
+    for ($i = 0; $i < 16; $i++) {
+        $keyBytes[$i] = hexdec(($keyBytes[$i]));
+        $IVBytes[$i] = hexdec(($IVBytes[$i]));
+    }
+
+    for ($i = 0; $i < count($planBytes); $i++) {
+        $planBytes[$i] = hexdec($planBytes[$i]);
+    }
+
+    if (count($planBytes) == 0) {
+        return $str;
+    }
+
+    $pdwRoundKey = array_pad(array(), 32, 0);
+
+    $bszPlainText = null;
+
+    // 방법 1
+    $bszPlainText = KISA_SEED_CBC::SEED_CBC_Decrypt($keyBytes, $IVBytes, $planBytes, 0, count($planBytes));
+    for ($i = 0; $i < sizeof($bszPlainText); $i++) {
+        $planBytresMessage[] = sprintf("%02X", $bszPlainText[$i]);
+    }
+    return Hex2String($planBytresMessage);
+}