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I crypt, You crypt. Budi Rahardjo Institut Teknologi Bandung br@paume.itb.ac.id – 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

br@paume.itb.ac.id – 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

slide6

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

slide21

Thank You

Gunax Lbh

Budi Rahardjo - I crypt, you crypt