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Amazon CloudFront now supports CBOR Web Tokens and Common Access Tokens

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This article announces that Amazon CloudFront now supports CBOR Web Tokens (CWT) and Common Access Tokens (CAT) for secure token-based authentication at edge locations.

  • CWT provides compact binary alternative to JWT using CBOR encoding
  • CAT extends CWT with fine-grained access control including URL patterns and IP restrictions
  • Both use COSE for enhanced security with sub-millisecond execution times
  • Ideal for high-performance applications like live video streaming and IoT
  • Enables consistent authentication across multi-CDN deployments
  • Supports token validation, generation, and refresh within CloudFront Functions
  • Available at no additional charge in all CloudFront edge locations

CloudFront now offers lightweight, standardized token-based authentication at the edge, simplifying security management for performance-critical applications.



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