Digital ID Issuance System Architecture

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About This Architecture

Multi-tier digital identity issuance system deployed across two AWS availability zones with hierarchical certificate authority architecture. Citizens access web portals through WAF and load balancer, which connect to t3.medium instances querying SQL civil registry databases for identity verification. Root and subordinate certificate authorities issue PFX digital ID certificates, with SQL replication ensuring registry availability across AZ-1 and AZ-2. This architecture demonstrates defense-in-depth for sensitive identity data, separating presentation, application, data, and security layers within a VPC. Fork this diagram on Diagrams.so to customize subnets, instance types, or certificate hierarchy for your PKI deployment.

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How do I design a secure digital identity issuance system with hierarchical certificate authorities on AWS?

Deploy a multi-tier architecture across two availability zones with WAF-protected web portals, SQL civil registry replication, and separate root and subordinate certificate authorities. This diagram shows presentation, application, data, and security layers within a VPC for defense-in-depth PKI.

Digital ID Issuance System Architecture

AutoadvancedAWSPKISecurityMulti-AZCertificate AuthorityDigital Identity
Domain: SecurityAudience: security architects designing public key infrastructure for government digital identity systems
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Created by

February 27, 2026

Updated

March 17, 2026 at 12:58 AM

Type

architecture

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