diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/EnvForm.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/EnvForm.cs
index 06809c6..dde40e0 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/EnvForm.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/EnvForm.cs
@@ -1,6 +1,6 @@
 // EnvForm.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/GlobalSettingsForm.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/GlobalSettingsForm.cs
index b5b1037..a49857a 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/GlobalSettingsForm.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/GlobalSettingsForm.cs
@@ -1,6 +1,6 @@
 // GlobalSettingsForm.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using Microsoft.Win32;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/IResourceTool.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/IResourceTool.cs
index 1cf88e2..3f3f44e 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/IResourceTool.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/IResourceTool.cs
@@ -1,6 +1,6 @@
 // IResourceTool.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System.Net;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs
index 11f6dc9..fcbcbb0 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/InstancesForm.cs
@@ -1,6 +1,6 @@
 // InstancesForm.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
index 9014e81..98b2be8 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
@@ -1,6 +1,6 @@
 // MainForm.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
index 66d593d..80de408 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
@@ -1,6 +1,6 @@
 // Program.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceServer.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceServer.cs
index bc460b2..d87f0d3 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceServer.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceServer.cs
@@ -1,6 +1,6 @@
 // ResourceServer.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Completion.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Completion.cs
index ada7a1c..57bb482 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Completion.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Completion.cs
@@ -1,6 +1,6 @@
 // Completion.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using Microsoft.Win32;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DevTools.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DevTools.cs
index f8803f7..2a818dc 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DevTools.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DevTools.cs
@@ -1,6 +1,6 @@
 // DevTools.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DnsQuery.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DnsQuery.cs
index 5b876a7..3b4c8b1 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DnsQuery.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/DnsQuery.cs
@@ -1,6 +1,6 @@
 // DnsQuery.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Settings.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Settings.cs
index 46e8951..2f74940 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Settings.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Settings.cs
@@ -1,6 +1,6 @@
 // Settings.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Tfa.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Tfa.cs
index 5aa52f2..da6a406 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Tfa.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Tfa.cs
@@ -1,6 +1,6 @@
 // Tfa.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Whois.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Whois.cs
index e4f2c13..45ae8b9 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Whois.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/ResourceTools/Whois.cs
@@ -1,6 +1,6 @@
 // Whois.cs
 // SPDX-License-Identifier: GPL-3.0-or-later
-// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
 // 
 using System.Net;
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html b/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html
index 237869b..2a00993 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html
@@ -8,7 +8,7 @@
     <meta name="robots" content="noindex, nofollow">
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <meta name="language" content="English">
-    <meta name="author" content="Namhyeon Go (abuse@catswords.net)">
+    <meta name="author" content="2025 Catswords OSS and WelsonJS Contributors (GPL-3.0-or-later)">
     <style>
         html, body, #app, #app > .app {
             margin: 0;
diff --git a/WelsonJS.Toolkit/WelsonJS.Service/HeartbeatClient.cs b/WelsonJS.Toolkit/WelsonJS.Service/HeartbeatClient.cs
index 4bb7fa3..670963d 100644
--- a/WelsonJS.Toolkit/WelsonJS.Service/HeartbeatClient.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Service/HeartbeatClient.cs
@@ -1,6 +1,8 @@
 // HeartbeatClient.cs
-// Namhyeon Go <abuse@catswords.net>
+// SPDX-License-Identifier: MS-RL
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
 // https://github.com/gnh1201/welsonjs
+// 
 using Grpc.Core;
 using System.Threading.Tasks;
 using System;
diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/Compression/LZ77.cs b/WelsonJS.Toolkit/WelsonJS.Toolkit/Compression/LZ77.cs
index 56873f8..d781a4c 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/Compression/LZ77.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/Compression/LZ77.cs
@@ -1,24 +1,8 @@
-/*
- * WelsonJS.Toolkit: WelsonJS native component
- * 
- *     filename:
- *         LZ77.cs
- * 
- *     description:
- *         MsCompress(LZ77) algorithm implementation for WelsonJS
- *         
- *     website:
- *         - https://github.com/gnh1201/welsonjs
- *         - https://catswords.social/@catswords_oss
- *         - https://teams.live.com/l/community/FEACHncAhq8ldnojAI
- * 
- *     author:
- *         Namhyeon Go <abuse@catswords.net>
- *
- *     license:
- *         GPLv3 or MS-RL(Microsoft Reciprocal License)
- * 
- */
+// LZ77.cs
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+// 
 using System.Text;
 
 namespace WelsonJS.Compression
diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/ARIA.cs b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/ARIA.cs
index af65692..1ea5b0a 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/ARIA.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/ARIA.cs
@@ -1,40 +1,10 @@
-/*
- * WelsonJS.Toolkit: WelsonJS native component
- * 
- *     filename:
- *         ARIA.cs
- * 
- *     description:
- *         ARIA(KS X 1213-1, RFC5794, RFC6209) cryptography algorithm implementation (Experimental)
- * 
- *     website:
- *         - https://github.com/gnh1201/welsonjs
- *         - https://catswords.social/@catswords_oss
- *         - https://teams.live.com/l/community/FEACHncAhq8ldnojAI
- *         - https://discord.gg/XKG5CjtXEj
- * 
- *     authors:
- *         - Namhyeon Go (@gnh1201) <abuse@catswords.net>
- *         - @angelkum (blog.naver.com)
- *         - KISA(Korea Internet & Security Agency) (kisa.or.kr)
- *         - National Security Research Institute (NSRI)
- *         - National Intelligence Service (nis.go.kr)
- *     
- *     references:
- *         - https://seed.kisa.or.kr/kisa/Board/19/detailView.do
- *         - https://blog.naver.com/angelkum/130154153446
- *         - https://www.ncsc.go.kr:4018/PageLink.do?link=forward:/PageContent.do&tempParam1=&menuNo=060000&subMenuNo=060200&thirdMenuNo=
- *         - https://www.nis.go.kr/AF/1_7_3_1.do
- *         - https://datatracker.ietf.org/doc/html/rfc5794
- *         - https://datatracker.ietf.org/doc/html/rfc6209
- *         - https://github.com/eGovFrame/egovframework.rte.root/blob/master/Foundation/egovframework.rte.fdl.crypto/src/main/java/egovframework/rte/fdl/cryptography/impl/aria/ARIAEngine.java
-*          - https://ics.catswords.net/ARIA-specification.pdf
-*          - https://ics.catswords.net/ARIA-testvector.pdf
- *         
- *     license:
- *         GPLv3 or MS-RL(Microsoft Reciprocal License)
- * 
- */
+// ARIA.cs
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+// 
+// ARIA(KS X 1213-1, RFC5794, RFC6209) cryptography algorithm implementation (Experimental)
+// 
 using System.Security.Cryptography;
 using System.Text;
 
@@ -612,3 +582,24 @@ namespace WelsonJS.Cryptography
         }
     }
 }
+
+/* References:
+ * [1] KISA(Korea Internet & Security Agency) - 블록암호 ARIA
+ *     https://seed.kisa.or.kr/kisa/Board/19/detailView.do
+ * [2] Naver Blog - ARIA 암호 JAVA, .NET(C#) 라이브러리 (@angelkum)
+ *     https://blog.naver.com/angelkum/130154153446
+ * [3] NSRI(National Security Research Institute) - 검증대상 암호알고리즘
+ *     https://www.ncsc.go.kr:4018/PageLink.do?link=forward:/PageContent.do&tempParam1=&menuNo=060000&subMenuNo=060200&thirdMenuNo=
+ * [4] NIS(National Intelligence Service) - 암호모듈 검증
+ *     https://www.nis.go.kr/AF/1_7_3_1.do
+ * [5] IETF - RFC 5794 - A Description of the ARIA Encryption Algorithm
+ *     https://datatracker.ietf.org/doc/html/rfc5794
+ * [6] IETF - RFC 6209 - Addition of the ARIA Cipher Suites to Transport Layer Security (TLS)
+ *     https://datatracker.ietf.org/doc/html/rfc6209
+ * [7] GitHub - 표준프레임워크의 실행환경 (eGovFrame/egovframework.rte.root)
+ *     https://github.com/eGovFrame/egovframework.rte.root/blob/master/Foundation/egovframework.rte.fdl.crypto/src/main/java/egovframework/rte/fdl/cryptography/impl/aria/ARIAEngine.java
+ * [8] NSRI(National Security Research Institute) - 민관겸용 블록 암호 알고리즘 ARIA 알고리즘 명세서 (Version 1.0, 2024. 5.)
+ *     https://ics.catswords.net/ARIA-specification.pdf
+ * [9] NSRI(National Security Research Institute) - ARIA 테스트 벡터 (Version 1.0)
+ *     https://ics.catswords.net/ARIA-testvector.pdf
+ */
diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/AnsiX923Padding.cs b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/AnsiX923Padding.cs
index 335ffcb..6f0b37f 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/AnsiX923Padding.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/AnsiX923Padding.cs
@@ -1,30 +1,8 @@
-/*
- * WelsonJS.Toolkit: WelsonJS native component
- * 
- *     filename:
- *         AnsiX923Padding.cs
- * 
- *     description:
- *         AnsiX923Padding implementation
- * 
- *     website:
- *         - https://github.com/gnh1201/welsonjs
- *         - https://catswords.social/@catswords_oss
- *         - https://teams.live.com/l/community/FEACHncAhq8ldnojAI
- *         - https://discord.gg/XKG5CjtXEj
- * 
- *     authors:
- *         - Namhyeon Go (@gnh1201) <abuse@catswords.net>
- *     
- *     references:
- *         - https://github.com/eGovFrame/egovframework.rte.root/blob/master/Foundation/egovframework.rte.fdl.crypto/src/main/java/egovframework/rte/fdl/cryptography/impl/aria/AnsiX923Padding.java
- *         - ChatGPT prompt "AnsiX923Padding with C#" (chatgpt.com)
- *         - ChatGPT prompt "AnsiX923Padding with C#, Add a flag to decide how to handle possible errors when removing padding." (chatgpt.com)
- *         
- *     license:
- *         GPLv3 or MS-RL(Microsoft Reciprocal License)
- * 
- */
+// AnsiX923Padding.cs
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+// 
 using System;
 
 namespace WelsonJS.Cryptography
@@ -130,3 +108,10 @@ namespace WelsonJS.Cryptography
         }
     }
 }
+
+/* References:
+ * [1] GitHub - 표준프레임워크의 실행환경 (eGovFrame/egovframework.rte.root)
+ *     https://github.com/eGovFrame/egovframework.rte.root/blob/master/Foundation/egovframework.rte.fdl.crypto/src/main/java/egovframework/rte/fdl/cryptography/impl/aria/AnsiX923Padding.java
+ * [2] ChatGPT - The prompt "AnsiX923Padding with C#"
+ * [3] ChatGPT - The prompt "AnsiX923Padding with C#, Add a flag to decide how to handle possible errors when removing padding."
+ */
diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/HIGHT.cs b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/HIGHT.cs
index ceef7f0..e576892 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/HIGHT.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/HIGHT.cs
@@ -1,37 +1,10 @@
-/*
- * WelsonJS.Toolkit: WelsonJS native component
- * 
- *     filename:
- *         HIGHT.cs
- * 
- *     description:
- *         HIGHT(ISO/IEC 18033-3) cryptography algorithm implementation
- * 
- *     website:
- *         - https://github.com/gnh1201/welsonjs
- *         - https://catswords.social/@catswords_oss
- *         - https://teams.live.com/l/community/FEACHncAhq8ldnojAI
- *         - https://discord.gg/XKG5CjtXEj
- * 
- *     authors:
- *         - Namhyeon Go (@gnh1201) <abuse@catswords.net>
- *         - @chandong83 (github.com)
- *         - KISA(Korea Internet & Security Agency) (kisa.or.kr)
- *         - Korea Unversity (www.korea.ac.kr)
- *     
- *     references:
- *         - https://seed.kisa.or.kr/kisa/algorithm/EgovHightInfo.do
- *         - https://github.com/chandong83/csharp_crypto_hight_ecb_examples
- *         - https://blog.naver.com/chandong83/222198351602
- *         - https://www.iso.org/standard/54531.html
- *         - https://ics.catswords.net/HIGHT-algorithm-specification-english.pdf
- *         - https://ics.catswords.net/HIGHT-algorithm-specification-korean.pdf
- *         - https://ics.catswords.net/HIGHT-sourcecode-explanation.pdf
- *
- *     license:
- *         GPLv3 or MS-RL(Microsoft Reciprocal License)
- * 
- */
+// HIGHT.cs
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+// 
+// HIGHT(ISO/IEC 18033-3) cryptography algorithm implementation
+// 
 using System;
 
 namespace WelsonJS.Cryptography
@@ -387,3 +360,20 @@ namespace WelsonJS.Cryptography
         }
     }
 }
+
+/* References:
+ * [1] KISA(Korea Internet & Security Agency) - HIGHT
+ *     https://seed.kisa.or.kr/kisa/algorithm/EgovHightInfo.do
+ * [2] GitHub - crypto hight ecb examples for csharp (chandong83/csharp_crypto_hight_ecb_examples)
+ *     https://github.com/chandong83/csharp_crypto_hight_ecb_examples
+ * [3] Naver Blog - C#(CSharp) - HIGHT ECB 암/복호화 알고리즘 소스 코드 (@chandong83)
+ *     https://blog.naver.com/chandong83/222198351602
+ * [4] ISO - ISO/IEC 18033-3:2010 Information technology — Security techniques — Encryption algorithms - Part 3: Block ciphers
+ *     https://www.iso.org/standard/54531.html
+ * [5] KISA(Korea Internet & Security Agency) - HIGHT Algorithm Specification(2009. 07.)
+ *     https://ics.catswords.net/HIGHT-algorithm-specification-english.pdf
+ * [6] HIGHT 블록암호 알고리즘 사양 및 세부 명세서(2009. 07.)
+ *     https://ics.catswords.net/HIGHT-algorithm-specification-korean.pdf
+ * [7] HIGHT 블록암호 알고리즘에 대한 소스코드 활용 메뉴얼(2009. 07.)
+ *     https://ics.catswords.net/HIGHT-sourcecode-explanation.pdf
+ */
diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/PKCS5Padding.cs b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/PKCS5Padding.cs
index 0b914aa..6e46dbc 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/PKCS5Padding.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/Cryptography/PKCS5Padding.cs
@@ -1,29 +1,8 @@
-/*
- * WelsonJS.Toolkit: WelsonJS native component
- * 
- *     filename:
- *         PKCS5Padding.cs
- * 
- *     description:
- *         PKCS5Padding implementation
- * 
- *     website:
- *         - https://github.com/gnh1201/welsonjs
- *         - https://catswords.social/@catswords_oss
- *         - https://teams.live.com/l/community/FEACHncAhq8ldnojAI
- *         - https://discord.gg/XKG5CjtXEj
- * 
- *     authors:
- *         - Namhyeon Go (@gnh1201) <abuse@catswords.net>
- *     
- *     references:
- *         - ChatGPT prompt "PKCS5Padding with C#" (chatgpt.com)
- *         - ChatGPT prompt "PKCS5Padding with C#, Add a flag to decide how to handle possible errors when removing padding." (chatgpt.com)
- *         
- *     license:
- *         GPLv3 or MS-RL(Microsoft Reciprocal License)
- * 
- */
+// PKCS5Padding.cs
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+// 
 using System;
 
 namespace WelsonJS.Cryptography
@@ -116,3 +95,8 @@ namespace WelsonJS.Cryptography
         }
     }
 }
+
+/* References:
+ * [1] ChatGPT - The prompt "PKCS5Padding with C#"
+ * [2] ChatGPT - The prompt "PKCS5Padding with C#, Add a flag to decide how to handle possible errors when removing padding."
+ */
diff --git a/app.js b/app.js
index 6bf7eb0..e660882 100644
--- a/app.js
+++ b/app.js
@@ -1,14 +1,11 @@
 // app.js
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
+// https://github.com/gnh1201/welsonjs
+
 // Bootstrap code for running a javascript app in windows.  Run as:
 // cscript.js app.js <appname> <app arguments> ...
 // 
-// Author: Namhyeon Go <abuse@catswords.net>
-// Repository: https://github.com/gnh1201/welsonjs
-// License: GPLv3 or MS-RL (Opensource)
-// Report abuse: abuse@catswords.net
-// Latest news: ActivityPub @catswords_oss@catswords.social
-// Join our team: https://teams.live.com/l/community/FEACHncAhq8ldnojAI
-// 
 "use strict";
 
 var exit = function(status) {