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I crypt, You crypt

Budi Rahardjo's invited talk at the Indonesian Cryptology and Information Security Conference highlights the vital role of cryptography in our digital lives. He examines its applications in various sectors such as telecommunications, banking, and government. The discussion delves into the challenges faced in Indonesia, including a lack of understanding and expertise in cryptography, as well as the dependency on foreign technology. Rahardjo emphasizes the need for regulations and education to address these issues and ensure robust cybersecurity practices across the nation.

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I crypt, You crypt

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  1. I crypt, You crypt Budi Rahardjo Institut Teknologi Bandung br@paume.itb.ac.id – http://budi.insan.co.id Invited Talk atIndonesian Cryptology and Information Security Conference Jakarta, 30-31 March 2005

  2. Gur Pelcg Fbat V pelcg, lbh pelcg Jr nyy pelcg, sbe V pelcg Yn, yn, yn … Budi Rahardjo - I crypt, you crypt

  3. ROT13 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z n o p q r s t u v w x y z a b c d e f g h i j k l m • Characters are shifted 13 places • Commonly used during the Usenet newsgroup era to post puzzles or offensive messages • There are many tools to perform rot13 • Usenet news readers • Text editors: vi, emacs • Now, web-based: http://www.rot13.com Budi Rahardjo - I crypt, you crypt

  4. The Crypt Song I crypt, you crypt We all crypt, for I crypt La, la, la … Adapted from “The I scream ice cream” song I scream, you scream We all scream for ice cream La, la, la Monday, Tuesday We all scream for sundae La, la, la Budi Rahardjo - I crypt, you crypt

  5. Daily-crypto-live • Cryptography is part of our (digital?) live • GSM communication (with A5) • Bank ATM (PIN, encrypted communication) • Microsoft Office files can be saved with password (RC4) • Access control (password, token, smartcard) • SSL in e-commerce • If that’s not enough, roll your own coding scheme for puzzles, quizzes, … secret SMS messages ! • Many more … • What does it mean? Budi Rahardjo - I crypt, you crypt

  6. http://www.randomhouse.com/doubleday/davinci/ Budi Rahardjo - I crypt, you crypt

  7. A5 @ GSM Source: http://www.issadvisor.com/columns/GSMSecurity/GSMSecurity.htm Budi Rahardjo - I crypt, you crypt

  8. Microsoft Office Password Budi Rahardjo - I crypt, you crypt

  9. What does it mean? • It means that we already dependent on crypto for • Commercial environment • Government • Military • and … personal (home) Budi Rahardjo - I crypt, you crypt

  10. Impact To Government • Should the government come up with regulation? • Over protected/regulated • Privacy on the line • Bad for business • Under protected • False sense of security • National security issues? • How to strike balance? • There will be more debates in the future Budi Rahardjo - I crypt, you crypt

  11. Crypto problems in Indonesia • The problems • Lack of understanding crypto. A difficult subject. Not much interest. Don’t care… • Lack of expertise in Indonesia(?) • How to build and keep talented human resources in Indonesia? • That is why we need theSociety ofIndonesianCryptology and InformationSecurity Budi Rahardjo - I crypt, you crypt

  12. Resulting in … • As a result • Technology dependencies are high • We are at the mercy of vendors and other governments • We were given a sub-standard products • (e.g. shorter key length, which results in less secure system) Budi Rahardjo - I crypt, you crypt

  13. International Surveilance Source: IEEE Spectrum April 2003 Budi Rahardjo - I crypt, you crypt

  14. Listen, Filter, Store Source: IEEE Spectrum April 2003 Budi Rahardjo - I crypt, you crypt

  15. Road from Crypto to Security • Some would think that encryption can solve all security problems. Wrong! • Crypto alone cannot solve all security problems • e.g. availability problems • All of this lead to information security Budi Rahardjo - I crypt, you crypt

  16. Initiatives • There has to be security initiative(s) to solve this problem, by • Research • Product development • Applications • Standards (for military, commercial, and personal/home use) • Certification • Education [crypto for kids?] • Indonesia’s National Strategy to Secure Cyberspace Budi Rahardjo - I crypt, you crypt

  17. Security Initiative Drivers • Who is the driver? • Government • Academia • Commercial entities • Special interest groups(such as our society?) Budi Rahardjo - I crypt, you crypt

  18. Budi Rahardjo - I crypt, you crypt

  19. Budi Rahardjo - I crypt, you crypt

  20. What to do next? Let’s hope that this is conference continues (annually?) Let’s discuss this in this forum … Budi Rahardjo - I crypt, you crypt

  21. Thank You Gunax Lbh Budi Rahardjo - I crypt, you crypt

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