diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/META-INF/MANIFEST.MF b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/META-INF/MANIFEST.MF
new file mode 100644
index 00000000..5018018e
--- /dev/null
+++ b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Created-By: 1.3.0_05 (Sun Microsystems Inc.)
+
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/IcertSecuManager.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/IcertSecuManager.class
new file mode 100644
index 00000000..7c22f138
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/IcertSecuManager.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/IcertUtil.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/IcertUtil.class
new file mode 100644
index 00000000..fae80f46
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/IcertUtil.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertBaseHash.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertBaseHash.class
new file mode 100644
index 00000000..13bd0dac
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertBaseHash.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertHmac.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertHmac.class
new file mode 100644
index 00000000..13554c82
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertHmac.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertIMessageDigest.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertIMessageDigest.class
new file mode 100644
index 00000000..87215d9c
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertIMessageDigest.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertSha256.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertSha256.class
new file mode 100644
index 00000000..0029fc2d
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertSha256.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertShaUtil.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertShaUtil.class
new file mode 100644
index 00000000..7e090929
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/hmac/IcertShaUtil.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/Seed.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/Seed.class
new file mode 100644
index 00000000..2907f2ec
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/Seed.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/SeedCBC.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/SeedCBC.class
new file mode 100644
index 00000000..9dbe07a1
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/SeedCBC.class differ
diff --git a/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/manager/SeedManager.class b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/manager/SeedManager.class
new file mode 100644
index 00000000..37b3efe3
Binary files /dev/null and b/src/main/webapp/WEB-INF/lib/ICERTSecu_JDK18/com/icert/comm/secu/seed/manager/SeedManager.class differ
diff --git a/src/main/webapp/WEB-INF/views/home/index.jsp b/src/main/webapp/WEB-INF/views/home/index.jsp
index 80b9008c..25518c25 100644
--- a/src/main/webapp/WEB-INF/views/home/index.jsp
+++ b/src/main/webapp/WEB-INF/views/home/index.jsp
@@ -498,7 +498,7 @@
 								<span class="contact-text-con">031-910-0151, 031-995-0934</span>
 							</p>
 							<p>
-								<span class="contact-text-title">입력시스템 문의</span>
+								<span class="contact-text-title">입력시스템 버그 문의</span>
 								<span class="contact-text-con">031-995-0837</span>
 							</p>
 							<p>