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Yet Another Security TalkJUNICHI OKAMURA @ Rakuten Technology Conference 2015 Nov. 21 2015

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Who am I?

Junichi Okamura 　

PayPal Integration Manager/Evangelist

Scala/Ruby/Node.js/Python/../Mobile/../pptROCK/BEER/WINE/JOJO/API (& meetup) lover@benzookapijokamura@paypal.com

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What I want to talk about today

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Data Security with the keyword, “Delegation”

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What is “Delegation”?

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From Printer to RealPrinter

By Wikipedia

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Today’s definition by me

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Let an expert who has core value

provide it instead of me

By Wikipedia

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In case of service

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Printer (delegator) = Service provider

RealPrinter (delegated) = Feature expert

Provider Expert

Printer

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Drill down in real service

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Provider Expert

Chat

Provider Expert

Account

Provider Expert

Payment

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Actual situation

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Provider + Expert

Chat

Provider Expert

Account

Provider Expert

Payment

Core value = Expert

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Ideal “Delegation”

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Focus on your core value as expert,with other ones delegated

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Take a look at security features

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Provider + Expert

Chat

Provider Expert

Account

Provider Expert

Payment

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Case 1: Account handling in delegation

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Provider

Expert

Account

Provider

Account

Provider

Account

IDPassword

Token

Token

Token

Authorize

Authorize

Authorize

Security Core

OAuth API

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If not in delegation…

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Provider + Expert

Account

Provider + Expert

Account

Provider + Expert

Account

Security Core

IDPassword

ID

Password

IDPassword

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Case 2: Payment handling in delegation

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Provider

Expert

Payment

Provider

Payment

Provider

Payment

Credit Card

ID

ID

ID

Charge

Carge

Charge

Security Core

Vault API

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If not in delegation…

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Provider + Expert

Payment

Provider + Expert

Payment

Provider + Expert

Payment

Security Core

Credit Card

Credit Card

Credit Card

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Under delegation

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Users:You only have to give your key data to

reliable expert

Providers:You can focus on your core data as

reliable expert

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That is…

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Reliable and No duplicated!

By Wikipedia

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Out of delegation

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Users:You have to give your key data to each

unreliable expert

Providers:You need care about not core data as

unreliable expert

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That is…

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By Wikipedia

Unreliable and Duplicated!

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What is successful delegation cases?

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Account: OAuth and Open ID,Payment: Vault and Tokenization,Encrypt: SSL and certification,…

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What is not successful?

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Identification: Physical address and health,Banking: Account number and pass phrase,Storage: No vender locked and user chosen,…

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Why not successful?

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These are difficult to be standardized and

strongly related to business and have no open/general frameworks

BUT NOT IMPOSSBILE!WE CAN TRY!

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So it is 2015 in JP,

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Government starts “MY NUMBER”

(Social Security and Tax Number System)

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They are going to be a privacy expert

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Do you have a good idea about security design

as a software engineer?

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How do you think of your data security?

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Thank youJUNICHI OKAMURA @ Rakuten Technology Conference 2015 Nov. 21 2015