김도엽, DoYeop Kim, Kredsya.
I want to be a cryptographic researcher.
- Chung-Ang University
- Software (2021.03. ~ )
- Undergraduate researcher
- Cryptography Lab of Chung-Ang Univ. (2022.03. ~ 2023.06.) (2024.03. ~ )
- KITRI BoB 12th
- Security product development (2023.07. ~ 2024.03.)
- KITRI BoB 10th Alumni Association Officer (2024.04. ~ 2025.03.)
| Proficiency | Skills |
|---|---|
| Fluent |     |
| Proficient |   |
| Experienced (language) |    |
| Experienced (CS) |    |
- 「길이기반 VPN 탐지 연구」, in CISC-W’23
- English title : 「Length-based VPN Detection Research」
- 김도엽, 유지훈, 김대호, 오상원, 권재민, 이경문 (한국정보기술연구원)
- Secure Database Search with RSA-based 1-out-of-n Oblivious Transfer
- VPN Identify & Block on Router Layer
- Implement Three Algorithms of Probabilistic Lightning Progress Determination
- Expand Functionality of “Sentiment Analysis Program using Twitter4j and StanfordCoreNLP”
- Develop 2D platformer game “Forest of Patience” with C++ DirectX
- GUI-based Git Repository Management App “QtGit” with PyQt5
- Android Kotlin App "My Refridge" with Firebase
| Name | Grade | Award | Date | Note | Team name |
|---|---|---|---|---|---|
| BYUCTF 2023 | 2nd Place | $ 75 | 2023.05.20. | low contribution | budaejjigae |
| ZeroPage Sprouthon 2021 | 1st Place | ￦ 160,000 | 2021.06.29. | Subject : “CUI Modern Tetris” | 시작이반 |
| Name | Grade | Date | Note | Team name |
|---|---|---|---|---|
| DEF CON CTF Qualifier 2024 | 26th Place / 1742 teams | 2024.05.04. | budaejjigae | |
| 2024 Hacktheon CTF Preliminaries (Beginner category) | 37th Place | 2024.04.27. | got 1,881/6,850 points | ￠ |
| DEF CON CTF Qualifier 2023 | 24th Place / 1828 teams | 2023.05.29. | low contribution | budaejjigae |
- ZeroPage 31st Generation Member (2021.03. ~ )
- ZeroPage 32nd President (2022.01. ~ 2023.01.)
- CAUtion 0th Generation Member (2021.05. ~ )
- TeamH4C Official Member (2022.07.08. ~ )
- Crypto solver of C4C
- Presenter of 해킹하는 부엉이들
- 2023 ISANG X CAUtion CTF (2023.01.13. ~ 2023.01.14.)
- Participate as problem author and organizing team.
- Make 4 Crypto problems,
- about Caesar Cipher, Frequency Analysis, Wiener’s Attack, Blind Signature.
- 2024 CAUtion X ISANG CTF (2024.01.29)
- Participated as problem author.
- Made 1 Crypto, 1 Misc problems,
- about RSA 1-2 OT, Github Credential Management.
Presentation list
1. Number Theory Revisited in RSA Encryption Process (at a high school student level), at Hungjin High School Mathmatics Exploration Event (2019.07.16.)
2. Algorithmization of Number Theory used in RSA, at Hungjin High School Mathmatics Exploration Competition (2020.11.)
3. Things I Learned While Implementing RSA, at ZeroPage OMS (2021.05.19.)
4. How to Solve Baekjoon #9267, at ZeroPage OMS (2021.09.08.)
5. How to Attack RSA Cryptosystem, at ZeroPage Devils Camp 2022 (2022.07.14.)
6. Twenty Years of Attacks on the RSA Cryptosystem, at Cryptography Lab Seminar (2022.07.05., 2022.08.23.)
7. Understanding Wiener’s Attack from the Implementation Side, at ZeroPage OMS (2022.11.09.)
8. RSA Tutorial with Calculator for Newbies, at 제4회 해킹하는 부엉이들 뉴비 웹세미나 (2022.12.17.)
9. What Do CTF Organizers Do? (Review from ISANG X CAUtion CTF Organizing Team), at ZeroPage OMS (2023.02.15.)
10. Updatable Private Set Intersection, at Cryptography Lab Seminar (2022.10.13., 2023.02.01., 2023.03.24.)
11. How To Get Intersection Without Knowing the Elements of Two Sets (UPSI Reveiw), at ZeroPage OMS (2023.05.08.)
12. Write-up of Crypto Problems of CTF, at Cryptography Lab Seminar (2023.05.26.)
13. CTF Crypto Introduction: Just the Basics, at CAUtion 2nd Internal Seminar (2023.05.31.)
14. OT(Oblivious Transfer) Presentation, at ZeroPage Devils Camp 2023 (2023.06.30.)
15. Exploring the Detailed Process of RSA in Action, at 2023 CCA 2nd Summer Seminar For newbies (2023.08.06.)
16. Blocking OpenVPN(TCP) Protocol Demo Video, at BoB Project 1st Presentation (2023.10.28.)
17. Length-based VPN Detection Research, at CISC-W’23 Interactive Session (2023.12.2.)
18. VPN Identify & Block on Router Layer, at BoB Project Final Presentation (2023.12.16.)
19. Let’s kill TCP connection, at ZeroPage OMS (2024.03.20.)
20. MEDS (Matrix Equivalence Digital Signature), at Cryptography Lab Seminar (2024.07.31.)
2. Algorithmization of Number Theory used in RSA, at Hungjin High School Mathmatics Exploration Competition (2020.11.)
3. Things I Learned While Implementing RSA, at ZeroPage OMS (2021.05.19.)
4. How to Solve Baekjoon #9267, at ZeroPage OMS (2021.09.08.)
5. How to Attack RSA Cryptosystem, at ZeroPage Devils Camp 2022 (2022.07.14.)
6. Twenty Years of Attacks on the RSA Cryptosystem, at Cryptography Lab Seminar (2022.07.05., 2022.08.23.)
7. Understanding Wiener’s Attack from the Implementation Side, at ZeroPage OMS (2022.11.09.)
8. RSA Tutorial with Calculator for Newbies, at 제4회 해킹하는 부엉이들 뉴비 웹세미나 (2022.12.17.)
9. What Do CTF Organizers Do? (Review from ISANG X CAUtion CTF Organizing Team), at ZeroPage OMS (2023.02.15.)
10. Updatable Private Set Intersection, at Cryptography Lab Seminar (2022.10.13., 2023.02.01., 2023.03.24.)
11. How To Get Intersection Without Knowing the Elements of Two Sets (UPSI Reveiw), at ZeroPage OMS (2023.05.08.)
12. Write-up of Crypto Problems of CTF, at Cryptography Lab Seminar (2023.05.26.)
13. CTF Crypto Introduction: Just the Basics, at CAUtion 2nd Internal Seminar (2023.05.31.)
14. OT(Oblivious Transfer) Presentation, at ZeroPage Devils Camp 2023 (2023.06.30.)
15. Exploring the Detailed Process of RSA in Action, at 2023 CCA 2nd Summer Seminar For newbies (2023.08.06.)
16. Blocking OpenVPN(TCP) Protocol Demo Video, at BoB Project 1st Presentation (2023.10.28.)
17. Length-based VPN Detection Research, at CISC-W’23 Interactive Session (2023.12.2.)
18. VPN Identify & Block on Router Layer, at BoB Project Final Presentation (2023.12.16.)
19. Let’s kill TCP connection, at ZeroPage OMS (2024.03.20.)
20. MEDS (Matrix Equivalence Digital Signature), at Cryptography Lab Seminar (2024.07.31.)