
Olena worked on the affinidi/affinidi-ssi-dart repository, delivering two core features focused on secure key management and robust JSON-LD processing. She implemented private key access in the KeyPair API, adding explicit error handling for missing keys and updating exception flows to improve reliability in cryptographic operations. Olena also refactored JSON-LD handling by introducing a Context class and adjusting sdjwt integration, which enhanced the maintainability and testability of DID document resolution across key, peer, and web methods. Using Dart, cryptography, and backend development skills, her work strengthened security and improved cross-method support without introducing new bugs.

April 2025: In affinidi/affinidi-ssi-dart, delivered two pivotal features that enhance key management and JSON-LD processing robustness. Implemented Private Key Access in the KeyPair API with explicit handling for missing keys and added SsiException flows; overhauled error handling for Ed25519 and Secp256k1 implementations. Refactored JSON-LD processing by introducing a Context class and adjusting sdjwt imports, plus expanded test coverage for DID document resolution and key generation across key, peer, and web methods. No critical bugs were reported this month; reliability improvements reduce runtime errors and improve maintainability. Impact: stronger security posture for key access, improved cross-method DID support, and a more testable, robust codebase. Technologies/skills: Dart interfaces and implementations, cryptographic key handling, JSON-LD processing, sdjwt library integration, test automation.
April 2025: In affinidi/affinidi-ssi-dart, delivered two pivotal features that enhance key management and JSON-LD processing robustness. Implemented Private Key Access in the KeyPair API with explicit handling for missing keys and added SsiException flows; overhauled error handling for Ed25519 and Secp256k1 implementations. Refactored JSON-LD processing by introducing a Context class and adjusting sdjwt imports, plus expanded test coverage for DID document resolution and key generation across key, peer, and web methods. No critical bugs were reported this month; reliability improvements reduce runtime errors and improve maintainability. Impact: stronger security posture for key access, improved cross-method DID support, and a more testable, robust codebase. Technologies/skills: Dart interfaces and implementations, cryptographic key handling, JSON-LD processing, sdjwt library integration, test automation.
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