openssl/openssl
Aug 2025 – Aug 2025
1 Month active
Languages Used
AssemblyPerl
Technical Skills
Assembly ProgrammingCryptographyLow-level OptimizationPerformance EngineeringRISC-V Architecture
fengpengbo
PROFILE
Fengpengbo
During August 2025, Pengbo Feng developed a performance-oriented Montgomery multiplication optimization for the OpenSSL repository, targeting the RV64GC RISC-V architecture. He implemented the core algorithm in assembly, focusing on low-level optimization to enhance modular arithmetic throughput for cryptographic workloads. To streamline development and maintenance, he created a Perl-based code-generation script that produces the required assembly source, and updated build configurations to integrate these changes seamlessly. This work leveraged his expertise in assembly programming, cryptography, and performance engineering, resulting in improved TLS and server throughput on RV64GC platforms. The project demonstrated depth in both algorithmic and platform-specific optimization.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
1Total
Bugs
0
Commits
1
Features
1
Lines of code
465
Activity Months1
Your Network
247 people
Work History
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025: Delivered a performance-focused Montgomery multiplication optimization for RV64GC in OpenSSL, including a Perl-based code-generation script and build configuration updates to incorporate the new assembly source. This work significantly enhances modular arithmetic throughput on RV64GC targets, contributing to better TLS performance and server throughput for cryptographic operations. No major bug fixes were completed this month; focus was on feature delivery and platform optimization. Skills demonstrated include low-level assembly optimization, RV64GC architecture knowledge, Perl-based code generation, and build-system integration for performance-oriented crypto components.
1 Commits • 1 Features
Aug 1, 2025August 2025: Delivered a performance-focused Montgomery multiplication optimization for RV64GC in OpenSSL, including a Perl-based code-generation script and build configuration updates to incorporate the new assembly source. This work significantly enhances modular arithmetic throughput on RV64GC targets, contributing to better TLS performance and server throughput for cryptographic operations. No major bug fixes were completed this month; focus was on feature delivery and platform optimization. Skills demonstrated include low-level assembly optimization, RV64GC architecture knowledge, Perl-based code generation, and build-system integration for performance-oriented crypto components.
August 2025
Activity
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Quality Metrics
Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
AssemblyPerl
Technical Skills
Assembly ProgrammingCryptographyLow-level OptimizationPerformance EngineeringRISC-V Architecture
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