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I crypt, You crypt. Budi Rahardjo Institut Teknologi Bandung [email protected] – http://budi.insan.co.id Invited Talk at Indonesian Cryptology and Information Security Conference Jakarta, 30-31 March 2005. Gur Pelcg Fbat. V pelcg, lbh pelcg Jr nyy pelcg, sbe V pelcg Yn, yn, yn ….

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I crypt you crypt

I crypt, You crypt

Budi Rahardjo

Institut Teknologi Bandung

[email protected] – http://budi.insan.co.id

Invited Talk atIndonesian Cryptology and Information Security Conference

Jakarta, 30-31 March 2005


Gur pelcg fbat
Gur Pelcg Fbat

V pelcg, lbh pelcg

Jr nyy pelcg, sbe V pelcg

Yn, yn, yn

Budi Rahardjo - I crypt, you crypt


Rot13
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


The crypt song
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


Daily crypto live
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


http://www.randomhouse.com/doubleday/davinci/

Budi Rahardjo - I crypt, you crypt


A5 @ gsm
A5 @ GSM

Source: http://www.issadvisor.com/columns/GSMSecurity/GSMSecurity.htm

Budi Rahardjo - I crypt, you crypt


Microsoft office password
Microsoft Office Password

Budi Rahardjo - I crypt, you crypt


What does it mean
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


Impact to government
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


Crypto problems in indonesia
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


Resulting in
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


International surveilance
International Surveilance

Source: IEEE Spectrum April 2003

Budi Rahardjo - I crypt, you crypt


Listen filter store
Listen, Filter, Store

Source: IEEE Spectrum April 2003

Budi Rahardjo - I crypt, you crypt


Road from crypto to security
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


Initiatives
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


Security initiative drivers
Security Initiative Drivers

  • Who is the driver?

    • Government

    • Academia

    • Commercial entities

    • Special interest groups(such as our society?)

Budi Rahardjo - I crypt, you crypt




What to do next
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


Thank You

Gunax Lbh

Budi Rahardjo - I crypt, you crypt


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