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Approach to Inclusive eSignatures

eSignature BB

Inclusive, Privacy Friendly eSignatures at Country Scale

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eSignature Building Block

Vishwanath Vaidyanathan

Open, Interoperable, Privacy Friendly, Inclusive eSignatures

Software Architect - Last 5 years working with multiple DPIs

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Topic to be covered

  1. What is eSignature ?
    • Cryptography Principles
    • Trust Principles
  2. How is eSignature useful?
  3. Our approach to eSignature
    • One Time Key Based Model
    • SCD Based Model
    • eSignature BB - Trust Principles
  1. Use cases
  2. Important Terminologies
  3. Key Digital Functionalities
  4. Operational Requirements
  5. Internal Workflows
  6. Service APIs
  7. Out of Scope
  8. Future Scope

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What is eSignature ?

  • Brings ease of handwritten signatures to the digital world
  • Three types of electronic signatures
        • Simple Electronic Signatures
        • Advanced Electronic Signatures
            • Identify the signatory
            • Signatory to retain control
            • Detect data change
        • Qualified Electronic Signatures
            • Ensure key security using compliant hardware devices
  • Normally QES has the equivalent legal effects of a handwritten signatures

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eSignature - Cryptography Principles

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Digital Certificate - Trust Principles

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How is eSignature useful?

  • Trust a signed document remotely
  • Verification at any point in time
  • Tamper Evident
  • Timestamping
  • Absolute authenticity of this individual
  • Cost savings by going paperless & faceless
  • Enables Traceability

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Our Approach to eSignature

  • Support only Qualified Electronic Signatures (QES)
  • Be Inclusive - Supports multiple social economic backgrounds
  • Privacy preserving - Consume only the information digest
  • User centric - Mandate user involvement
  • Transparent and auditable - Faster resolution to conflicts
  • Interoperable - Avoid vendor lock in & enable choice
  • Open standards - Enable innovation potential of engineers
  • Support multiple standard signature formats

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One Time Key Based Signature Model

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SCD Based Signature Model

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eSignature BB - Trust Principles

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Use cases

  • eSignature based Land record transfer
        • Establish transparent land ownership
        • Prevent land disputes
  • eSignature Based Proof Management
        • Scanned copy of an existing physical document
  • Public Health and Insurance (Claim Management)
        • Track claims, monitor leakages and reduce fraud
  • Income tax
        • Faceless tax assessment regime
        • More trust and transparency

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Important Terminologies

  • Signatory / User
  • eSignature creation device (SCD)
  • Signing application / Signature requestor / Third-Party
  • Document (to be signed)
  • Onboarding
  • HSM
  • Timestamp
  • CSR
  • X509 Certificate
  • Revocation

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Key Digital Functionalities

  • HSM based Key security
  • Timestamping
  • Support for One Time Signing
  • Support for SCD on-boarding
  • Support for SCD based Signing
  • Client side library for hash generation
  • Certificate Management
  • Notification

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Operational Requirements

  • Identity BB Integration support
  • Information Mediator BB Integration support
  • Messaging Interface BB Integration support
  • Audit
  • Logging
  • Metrics

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Internal Workflows

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Service APIs

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Out of Scope

  • Document storage - no documents will be accepted or stored in the service
  • Communication with the SCD is left out of scope it's up to the eSignature service provider
  • Handwritten signatures - no support for handwritten signatures that are scanned or on paper.
  • No Administrative APIs
  • No support for Signing queues, i.e waiting for multiple parties to sign
  • No notification or remainders about pending signatures

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Future Scope

  • Support for Bulk signature
  • Support for B2B
  • Standardizing the revocation model

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Authors: Sasikumar Ganesan, Jurgen Niinre, Ramkumar.P.S., Kassy Kadio, Vishwanath Vaidyanathan�

URL link to specifications/requirements: https://app.gitbook.com/o/pxmRWOPoaU8fUAbbcrus/c/EiApewuu4GrhgGCBTps0�

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THANK YOU

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Additional slide template that you may find useful.

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Topis

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Digital government services are vital for fostering economic growth, developing the digital economy and promoting trust in government institutions.

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Mr. Sherif El Behery

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Eng. Tarek Shash

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Strategic Innovation

Create and lead responsive and adaptable organizations

Session 01