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François Marier @fmarier Killing Passwords One Site at a Time with Shane Tomlinson @shane_tomlinson

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Agenda: Sign-in in 2013 Live demo Live acting Live coding Beer!

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Email: shane.tomlinson@eyedee.me Password: **************** X Sign in Roll Your Own

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UX

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conversion rate

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# hits signup

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# hits signup signup_complete

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# hits signup signup_complete l o s t cust- omers

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Security

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bcrypt per-user salt site secret password & lockout policies secure recovery

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bcrypt per-user salt site secret password & lockout policies secure recovery

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bcrypt per-user salt site secret password & lockout policies secure recovery

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bcrypt per-user salt site secret password & lockout policies secure recovery

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bcrypt per-user salt site secret password & lockout policies secure recovery

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bcrypt per-user salt site secret password & lockout policies secure recovery 2013 2013 password password guidelines guidelines

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Externalize the Hard Work (3rd party authentication)

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Externalize the Hard Work (3rd party authentication) * Eliminate site specific usernames and passwords

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Externalize the Hard Work (3rd party authentication) * Eliminate site specific usernames and passwords * No password database to worry about

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Externalize the Hard Work (3rd party authentication) * Eliminate site specific usernames and passwords * No password database to worry about * No email verification or resets

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Externalize the Hard Work (3rd party authentication) * Eliminate site specific usernames and passwords * No password database to worry about * No email verification or resets * They have more money to invest in security

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“social” authentication

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Button overload

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Centralized gatekeepers can delete your customers

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Advantage: decentralized

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Advantage: decentralized Disadvantages:

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Advantage: decentralized Disadvantages: UX worse than passwords

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Advantage: decentralized Disadvantages: UX worse than passwords Security is very complicated

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Advantage: decentralized Disadvantages: UX worse than passwords Security is very complicated Privacy concerns

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Existing solutions are not good enough

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decentralized

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privacy-sensitive decentralized

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privacy-sensitive simple decentralized

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privacy-sensitive simple open source decentralized

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What does it look like?

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(live demo)

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Persona is easy

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How does it work?

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private public

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public

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My name is François Marier and my email is too long to fit on one line.

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My name is François Marier and my email is too long to fit on one line. private

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My name is François Marier and my email is too long to fit on one line. public

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sign verify

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(Live Acting)

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achieving the vision

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email providers browser vendors

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email providers

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fmarier@gmail.com

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fmarier@gmail.com

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fallback identity provider

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persona.org account

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support for all email providers

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browser vendors

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navigator.id.*

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js

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support for all modern browsers >= 8

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support for all modern browsers >= 8

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A decentralized solution that just worksTM

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How can I use it on my site?

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(Live Coding)

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1. load javascript library

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1. load javascript library 2. setup login & logout callbacks

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1. load javascript library 2. setup login & logout callbacks 3. add login and logout buttons

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1. load javascript library 2. setup login & logout callbacks 3. add login and logout buttons 4. verify proof of ownership

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Persona is easy to integrate, no crypto required.

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You can help! Add Persona to your site Tell us about it (good and bad) Ask one site to support Persona

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Think of the children!

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RTFM: https://login.persona.org/ http://identity.mozilla.com/ https://developer.mozilla.org/docs/Persona/Why_Persona https://developer.mozilla.org/docs/Persona/Quick_Setup https://github.com/mozilla/browserid-cookbook https://developer.mozilla.org/docs/Persona/Libraries_and_plugins http://123done.org/ https://wiki.mozilla.org/Identity#Get_Involved http://fmarier.org @fmarier @shane_tomlinson https://shanetomlinson.com

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Using Persona on your site

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navigator.id.watch({ signedInUser: <null || email@domain.com>, onlogin: function(assertion) { // more on this later }, onlogout: function() { window.location = '/logout'; } }); Setup navigator.id.watch

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… $(“#login”).click(function(evt) { evt.preventDefault(); navigator.id.request(); }); Hook up login button

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… $(“#logout”).click(function(evt) { evt.preventDefault(); navigator.id.logout(); }); Hook up logout button

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signedInUser: , onlogin: function(assertion) { $.post('/login', {assertion: assertion}, function (data) { window.location = '/home'; } ); }, onlogout: function() { Send assertion to backend for verification

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function onlogin(assertion) { var body = qs.stringify({ assertion: assertion, audience: 'http://123done.org' }); var request = https.request({ host: 'verifier.login.persona.org', path: '/verify', method: 'POST', headers: { 'content-type': 'application/x-www-form-urlencoded', 'content-length': body.length } }, onVerifyResp); request.write(body); request.end(); } Server side assertion verification

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{ status: “okay”, audience: “http://123done.org”, expires: 1344849682560, email: “francois@mozilla.com”, issuer: “login.persona.org” } Verifier response – all good

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{ status: “failed”, reason: “assertion has expired” } Verifier response – bad jiji