openssl/openssl
Feb 2025 – Feb 2025
1 Month active
Languages Used
C
Technical Skills
API developmentC ProgrammingC programmingNetwork ProtocolsNetwork protocolsOpenSSL
Cheng Zhang
PROFILE
Cheng Zhang
Worked on the openssl/openssl repository to deliver QUIC TLS End Of Early Data (EOED) handling and enable 0-RTT support, focusing on improving QUIC-TLS interoperability and connection performance. Developed in C with a strong emphasis on API development and network protocols, the work introduced the SSL_NO_EOED macro, updated handshake error propagation for EOED scenarios, and added comprehensive tests for EOED behavior. Additionally, a new API was exposed to allow third-party QUIC stacks to leverage 0-RTT, reducing latency for reconnects and enhancing error visibility. This feature provides a robust foundation for future QUIC-TLS integrations and testing.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
1
Lines of code
263
Activity Months1
Your Network
559 peopleShared Repositories
365
Work History
February 2025
3 Commits • 1 Features
Feb 1, 2025February 2025: Delivered QUIC TLS End Of Early Data (EOED) handling and 0-RTT enablement in OpenSSL, enhancing QUIC-TLS interoperability and connection performance. Implemented SSL_NO_EOED macro, added EOED behavior tests, updated handshake error propagation for EOED scenarios, and exposed a new API to enable 0-RTT for third-party QUIC stacks. This work improves latency for reconnects, strengthens error visibility, and provides a solid foundation for future QUIC-TLS integrations.
3 Commits • 1 Features
Feb 1, 2025February 2025: Delivered QUIC TLS End Of Early Data (EOED) handling and 0-RTT enablement in OpenSSL, enhancing QUIC-TLS interoperability and connection performance. Implemented SSL_NO_EOED macro, added EOED behavior tests, updated handshake error propagation for EOED scenarios, and exposed a new API to enable 0-RTT for third-party QUIC stacks. This work improves latency for reconnects, strengthens error visibility, and provides a solid foundation for future QUIC-TLS integrations.
February 2025
Activity
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Quality Metrics
Correctness90.0%
Maintainability80.0%
Architecture83.4%
Performance83.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
API developmentC ProgrammingC programmingNetwork ProtocolsNetwork protocolsOpenSSLQUICTLS/SSLTesting
Repositories Contributed To
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