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2014. 9. 10.

Digital Certificate and Beyond. 2014. 9. 10. Sangrae Cho Authentication Research Team. Korean banking use case. 2. Issue certificate. Web Browser. Public key pair is generated in the browser. 4. Verify certificate. 3. use certificate (digital signature). bank.com.

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2014. 9. 10.

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  1. Digital Certificate and Beyond 2014. 9. 10. Sangrae Cho Authentication Research Team

  2. Korean banking use case 2. Issue certificate Web Browser Public key pair is generated in the browser. 4. Verify certificate 3. use certificate(digital signature) bank.com caserver.com

  3. ActiveX based Service Internet Banking Digital Signature Service Req. Install ActiveX Req. for Cert Issue Cert Install Certification Authority Web Browser ActiveX for Certificate Management

  4. ActiveX realted Issues • ActiveX Programs • Certificate Management • Keyboard protection • Personal filewall and anti-virus • Web secure channel • Related Issues • Only works for IE • Weak for malicious program attack • User inconvenience • Not mobile friendly

  5. Web based Digital Certificate Service CA Issuing Certificate Relying Party (Online banking, e-Gov) Web Server Use the certificate Issue a certificate Desktop PC Web Browser Smartphone JavaScript based HTML5 APP Storage Devices Smart Authentication (USIM, NFC-Credit Card)

  6. Web based Approach • WebCrypto API for Crypto fucntions • HTML5 for storage and communication • CMP for certificate issuing and PKCS7 for digital signature implemented in JavaScript Cert. Manager in Java Script Certificate Manager CMP PCKS7 Web Browser WebCrypto API Storage API Crypto Library Storage Library • Cert and Key Store

  7. TouchSign • Smartcard solution for Financial Services • Secure storage for digital certificates • Digital Signature with NFC • User Authentication

  8. TouchSign Applications Online Banking Credit Card Subscription • Banking Site Subscription Device • User’s Phone • Money Transfer • User Authentication • User’s Card • Digital Singing • Subscription for Credit Card • can be done with TouchSign • Digital Signature • Money transfer in online banking • can be done with TouchSign • User Authentication • Digital Signature

  9. Digital Certificate with FIDO Digital Certificate issued to Authenticator

  10. Hands-Free Payment Service Hands-Free Payment Needs Enhanced Security… Secure check-in Personalization Service Cardless Payment Beacon-based Service

  11. Requirements for standard • Storage management for WebCrypto.Next • Standard API for Hardware Tokens • Standard API for communications such as NFC, Bluetooth

  12. Thank You

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