openssl/openssl
Jan 2025 – Mar 2026
12 Months active
Languages Used
CPODMakefilePerlMarkdownRubyNone
Technical Skills
API DevelopmentAPI designC ProgrammingC programmingCryptographyKey Management
Simo Sorce
PROFILE
Simo Sorce
Over twelve months, this developer enhanced the openssl/openssl repository by delivering nineteen features and addressing core cryptographic, security, and reliability challenges. They built modular frameworks for key management, improved FIPS self-test infrastructure, and modernized build and code organization. Their work included implementing provider-based algorithm selection, concurrency-safe self-tests, and secure memory handling, all while maintaining rigorous documentation and test coverage. Using C, Perl, and Ruby, they refactored legacy code, introduced Perl-based code generation for FIPS parameters, and streamlined parameter access. Their approach emphasized maintainability, compliance, and performance, resulting in a more robust, secure, and extensible OpenSSL codebase.
Overall Statistics
Feature vs Bugs
90%Features
Repository Contributions
71Total
Bugs
2
Commits
71
Features
19
Lines of code
15,744
Activity Months12
Your Network
3410 peopleShared Repositories
365
Work History
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary focused on delivering a targeted refactor of FIPS parameter access in the OpenSSL repository. The effort streamlined FIPS parameter and indicator handling, reducing duplication and improving maintainability of the FIPS provider. The change was merged from PR 30213 with broad code review and collaboration from multiple maintainers.
1 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary focused on delivering a targeted refactor of FIPS parameter access in the OpenSSL repository. The effort streamlined FIPS parameter and indicator handling, reducing duplication and improving maintainability of the FIPS provider. The change was merged from PR 30213 with broad code review and collaboration from multiple maintainers.
March 2026
February 2026
5 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for openssl/openssl: Delivered concurrency-safe FIPS self-test improvements and modernized FIPS parameter handling to boost reliability, performance, and maintainability. Fixed critical race conditions in on-demand FIPS self-tests, introduced atomic state access, optimized reads, and added a ThreadSanitizer annotation to suppress benign races. Replaced macro-heavy FIPS parameter handling with Perl-based code generation (util/perl/OpenSSL/fipsparams.pm and providers/fips/fipsparams.inc.in), simplifying code and reducing macro complexity. These changes improve determinism of FIPS self-tests in multi-threaded environments, reduce CI churn, and ease ongoing maintenance. Technologies demonstrated include concurrency control, atomic operations, TSAN-aware annotations, and Perl-based code generation.
February 2026
5 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for openssl/openssl: Delivered concurrency-safe FIPS self-test improvements and modernized FIPS parameter handling to boost reliability, performance, and maintainability. Fixed critical race conditions in on-demand FIPS self-tests, introduced atomic state access, optimized reads, and added a ThreadSanitizer annotation to suppress benign races. Replaced macro-heavy FIPS parameter handling with Perl-based code generation (util/perl/OpenSSL/fipsparams.pm and providers/fips/fipsparams.inc.in), simplifying code and reducing macro complexity. These changes improve determinism of FIPS self-tests in multi-threaded environments, reduce CI churn, and ease ongoing maintenance. Technologies demonstrated include concurrency control, atomic operations, TSAN-aware annotations, and Perl-based code generation.
January 2026
3 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary focusing on OpenSSL core reliability and code quality improvements. Delivered an OpenSSL context indexing enhancement to support the SSL configuration module, fixed a bug in OSSL_LIB_CTX_MAX_INDEXES, and performed code-quality refactors on ECDSA test vectors and FIPS self-test data to improve readability, clang-style compatibility, and future rename safety. These changes strengthen SSL_CTX behavior with SSL_CONF_IMODULE, reduce maintenance risk, and improve test stability, paving the way for safer feature integration and easier future refactorings.
3 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary focusing on OpenSSL core reliability and code quality improvements. Delivered an OpenSSL context indexing enhancement to support the SSL configuration module, fixed a bug in OSSL_LIB_CTX_MAX_INDEXES, and performed code-quality refactors on ECDSA test vectors and FIPS self-test data to improve readability, clang-style compatibility, and future rename safety. These changes strengthen SSL_CTX behavior with SSL_CONF_IMODULE, reduce maintenance risk, and improve test stability, paving the way for safer feature integration and easier future refactorings.
January 2026
December 2025
15 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary focused on the FIPS self-test framework enhancements in the OpenSSL project. The work delivered on-demand self-testing, a unified ID-based self-test framework, deterministic testing contexts, and robust security hardening, resulting in faster startup, improved reliability, and stronger compliance controls for FIPS operations.
December 2025
15 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary focused on the FIPS self-test framework enhancements in the OpenSSL project. The work delivered on-demand self-testing, a unified ID-based self-test framework, deterministic testing contexts, and robust security hardening, resulting in faster startup, improved reliability, and stronger compliance controls for FIPS operations.
November 2025
8 Commits • 4 Features
Nov 1, 2025OpenSSL 2025-11 monthly summary focusing on feature delivery, bug/QA improvements, and business impact. Key outcomes include user-centric key management enhancements, long-running crypto operation support through context checkpointing, and streamlined FIPS self-testing with on-demand execution. Quality and CI hygiene improvements reduce risk of false failures in the build and test pipelines.
8 Commits • 4 Features
Nov 1, 2025OpenSSL 2025-11 monthly summary focusing on feature delivery, bug/QA improvements, and business impact. Key outcomes include user-centric key management enhancements, long-running crypto operation support through context checkpointing, and streamlined FIPS self-testing with on-demand execution. Quality and CI hygiene improvements reduce risk of false failures in the build and test pipelines.
November 2025
October 2025
16 Commits • 1 Features
Oct 1, 2025OpenSSL October 2025: Delivered a group-wide generated-code refactor and build-system modernization by consolidating generated code into include files (.inc) and updating build references across core modules. Implemented include-file usage across subsystems such as skeymgmt, storemgmt, asymciphers, ciphers, exchange, encode_decode, digests, kdfs, keymgmt, kem, macs, signature, and rands to improve maintainability and reduce build fragility. Addressed security/compliance with a critical FIPS fix: RSA X.931 padding check in the FIPS module to properly reject invalid signatures via the Message Signature API. Also fixed include-file handling in libcommon and libtemplate to prevent regressions and stabilize builds. Overall impact: clearer code organization, improved security posture, and more reliable CI, enabling faster safe delivery of future features. Technologies/skills demonstrated: C, OpenSSL codebase, include-file architectural pattern, build-system modernization, FIPS/security focus, and refactoring discipline.
October 2025
16 Commits • 1 Features
Oct 1, 2025OpenSSL October 2025: Delivered a group-wide generated-code refactor and build-system modernization by consolidating generated code into include files (.inc) and updating build references across core modules. Implemented include-file usage across subsystems such as skeymgmt, storemgmt, asymciphers, ciphers, exchange, encode_decode, digests, kdfs, keymgmt, kem, macs, signature, and rands to improve maintainability and reduce build fragility. Addressed security/compliance with a critical FIPS fix: RSA X.931 padding check in the FIPS module to properly reject invalid signatures via the Message Signature API. Also fixed include-file handling in libcommon and libtemplate to prevent regressions and stabilize builds. Overall impact: clearer code organization, improved security posture, and more reliable CI, enabling faster safe delivery of future features. Technologies/skills demonstrated: C, OpenSSL codebase, include-file architectural pattern, build-system modernization, FIPS/security focus, and refactoring discipline.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 performance and testing optimization for the OpenSSL project (openssl/openssl). Delivered a testing optimization for the FIPS provider by introducing deferral of Known Answer Tests (KATs), enabling deferred execution for specific algorithms. Implemented SELF_TEST_kats_single() to support selective KAT deferral, reducing upfront test costs. Added a deferred flag to test data structures and updated the test harness so SELF_TEST_kats() skips deferred tests at startup while preserving startup behavior for non-deferred tests. The change was implemented via commit eb58322dc9d0013bffc662ab0360c6184abc8319 and merged from PR 28725 with multiple approvals. This work lowers CI runtime, accelerates feedback cycles, and maintains cryptographic validation integrity.
1 Commits • 1 Features
Sep 1, 2025September 2025 performance and testing optimization for the OpenSSL project (openssl/openssl). Delivered a testing optimization for the FIPS provider by introducing deferral of Known Answer Tests (KATs), enabling deferred execution for specific algorithms. Implemented SELF_TEST_kats_single() to support selective KAT deferral, reducing upfront test costs. Added a deferred flag to test data structures and updated the test harness so SELF_TEST_kats() skips deferred tests at startup while preserving startup behavior for non-deferred tests. The change was implemented via commit eb58322dc9d0013bffc662ab0360c6184abc8319 and merged from PR 28725 with multiple approvals. This work lowers CI runtime, accelerates feedback cycles, and maintains cryptographic validation integrity.
September 2025
July 2025
3 Commits • 1 Features
Jul 1, 2025Month: 2025-07 — Consolidated security-focused memory hygiene improvements for parameter handling in openssl/openssl. Implemented OSSL_PARAM_clear_free to securely erase sensitive parameter data before freeing memory and propagated the behavior across key management for DH, DSA, EC, ECX, LMS, MAC, ML-KEM, MLX-KEM, RSA, and SLH-DSA. Added tests validating correct memory deallocation and resilience against regressions. Notable commits include e765de94eefd28262504d96e19146950a13ed826 (Add a way to cleanse params arrays), e8b23a5c34eb9cfb974d0436edb9df8c363fd4e1 (Test OSSL_PARAM_clear_free()), and 2df57490845cf80b3a87e8b029cb44e54aa97ee0 (Clear keymgmt params containing sensitive data).
July 2025
3 Commits • 1 Features
Jul 1, 2025Month: 2025-07 — Consolidated security-focused memory hygiene improvements for parameter handling in openssl/openssl. Implemented OSSL_PARAM_clear_free to securely erase sensitive parameter data before freeing memory and propagated the behavior across key management for DH, DSA, EC, ECX, LMS, MAC, ML-KEM, MLX-KEM, RSA, and SLH-DSA. Added tests validating correct memory deallocation and resilience against regressions. Notable commits include e765de94eefd28262504d96e19146950a13ed826 (Add a way to cleanse params arrays), e8b23a5c34eb9cfb974d0436edb9df8c363fd4e1 (Test OSSL_PARAM_clear_free()), and 2df57490845cf80b3a87e8b029cb44e54aa97ee0 (Clear keymgmt params containing sensitive data).
May 2025
2 Commits • 1 Features
May 1, 2025Month: 2025-05 focused on enhancing DSA key management in the openssl/openssl repository, delivering a robust public key export path that respects selection flags and supports ML-DSA and SLH-DSA variants. The work reduces risk of incorrect key export and improves consistency across DSA implementations by aligning parameter handling with OSSL_KEYMGMT_SELECT_PUBLIC_KEY.
2 Commits • 1 Features
May 1, 2025Month: 2025-05 focused on enhancing DSA key management in the openssl/openssl repository, delivering a robust public key export path that respects selection flags and supports ML-DSA and SLH-DSA variants. The work reduces risk of incorrect key export and improves consistency across DSA implementations by aligning parameter handling with OSSL_KEYMGMT_SELECT_PUBLIC_KEY.
May 2025
April 2025
9 Commits • 2 Features
Apr 1, 2025April 2025 monthly summary for openssl/openssl focusing on business value and technical achievements. Key deliveries include the ML-DSA Message Update API with incremental message processing, external-facing mu helpers, and improved context management and settable parameters, complemented by tests and documentation updates. Additionally, SKEYMGMT Raw-Byte Key Material exposure was implemented with settable parameters and accompanying tests to verify import/export of raw key material. Notable bug fixes were addressed to improve reliability and API correctness, including the ML-DSA msg_inits operation type fix and updates to the EVP_PKEY_verify man page. These changes reduce integration friction, strengthen security tooling, and set the stage for future improvements.
April 2025
9 Commits • 2 Features
Apr 1, 2025April 2025 monthly summary for openssl/openssl focusing on business value and technical achievements. Key deliveries include the ML-DSA Message Update API with incremental message processing, external-facing mu helpers, and improved context management and settable parameters, complemented by tests and documentation updates. Additionally, SKEYMGMT Raw-Byte Key Material exposure was implemented with settable parameters and accompanying tests to verify import/export of raw key material. Notable bug fixes were addressed to improve reliability and API correctness, including the ML-DSA msg_inits operation type fix and updates to the EVP_PKEY_verify man page. These changes reduce integration friction, strengthen security tooling, and set the stage for future improvements.
February 2025
2 Commits • 2 Features
Feb 1, 2025February 2025 (openssl/openssl): Delivered provider-based DRBG algorithm selection enhancements and updated documentation. Key improvements include modular, provider-driven algorithm selection for DRBG implementations and clarified default behavior in DRBG algorithm selection. No major bug fixes were recorded for this repository in February. Overall impact: improved pluggability of DRBG algorithms via providers, easier integration of new algorithms, and clearer, maintainable design. Technologies demonstrated: OpenSSL provider architecture, DRBG integration, C-level API design changes, and comprehensive documentation updates.
2 Commits • 2 Features
Feb 1, 2025February 2025 (openssl/openssl): Delivered provider-based DRBG algorithm selection enhancements and updated documentation. Key improvements include modular, provider-driven algorithm selection for DRBG implementations and clarified default behavior in DRBG algorithm selection. No major bug fixes were recorded for this repository in February. Overall impact: improved pluggability of DRBG algorithms via providers, easier integration of new algorithms, and clearer, maintainable design. Technologies demonstrated: OpenSSL provider architecture, DRBG integration, C-level API design changes, and comprehensive documentation updates.
February 2025
January 2025
6 Commits • 2 Features
Jan 1, 2025Month: 2025-01 — This period delivered two core features in openssl/openssl, strengthened RNG consistency, and expanded test coverage, driving business value through stronger key management and predictable, provider-aligned cryptographic behavior. Key features delivered: - SKEY management framework and KDF SKEY input support: adds SKEY input handling to KDF operations, enhances the SKEY import flow with generic key type support, introduces a generic SKEY management provider abstraction and helper APIs, and provides provider-based fetch utilities with tests for DES fallbacks. - DRBG and provider-consistent cipher selection: prioritizes DRBG ciphers from the same provider to improve consistency and security of RNG; adds evp_cipher_fetch_from_prov and updates rand_new_drbg to fetch ciphers from the same provider. Major bugs fixed: - No notable high-severity bugs reported this month; focus remained on feature delivery and reinforcing provider-aligned behavior. Overall impact and accomplishments: - Established cross-provider interoperability for SKEY management and DRBG cipher selection, reducing integration drift and strengthening security posture. - Improved maintainability with a provider-oriented SKEY abstraction and helper APIs, enabling flexible future extensions. - Expanded test coverage around DES fallbacks to ensure reliability across provider implementations. Technologies/skills demonstrated: - OpenSSL internal APIs: EVP_KDF, EVP_SKEY, SKEYMGMT, and provider architecture. - C-level cryptography integration, API design, and provider-based fetch utilities. - RNG/DRBG internals and cipher selection workflows across providers. - Testing strategies for provider-backed features (DES fallback scenarios).
January 2025
6 Commits • 2 Features
Jan 1, 2025Month: 2025-01 — This period delivered two core features in openssl/openssl, strengthened RNG consistency, and expanded test coverage, driving business value through stronger key management and predictable, provider-aligned cryptographic behavior. Key features delivered: - SKEY management framework and KDF SKEY input support: adds SKEY input handling to KDF operations, enhances the SKEY import flow with generic key type support, introduces a generic SKEY management provider abstraction and helper APIs, and provides provider-based fetch utilities with tests for DES fallbacks. - DRBG and provider-consistent cipher selection: prioritizes DRBG ciphers from the same provider to improve consistency and security of RNG; adds evp_cipher_fetch_from_prov and updates rand_new_drbg to fetch ciphers from the same provider. Major bugs fixed: - No notable high-severity bugs reported this month; focus remained on feature delivery and reinforcing provider-aligned behavior. Overall impact and accomplishments: - Established cross-provider interoperability for SKEY management and DRBG cipher selection, reducing integration drift and strengthening security posture. - Improved maintainability with a provider-oriented SKEY abstraction and helper APIs, enabling flexible future extensions. - Expanded test coverage around DES fallbacks to ensure reliability across provider implementations. Technologies/skills demonstrated: - OpenSSL internal APIs: EVP_KDF, EVP_SKEY, SKEYMGMT, and provider architecture. - C-level cryptography integration, API design, and provider-based fetch utilities. - RNG/DRBG internals and cipher selection workflows across providers. - Testing strategies for provider-backed features (DES fallback scenarios).
Activity
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Quality Metrics
Correctness97.4%
Maintainability91.8%
Architecture95.8%
Performance89.4%
AI Usage20.8%
Skills & Technologies
Programming Languages
CMakefileMarkdownNonePODPerlRuby
Technical Skills
API DevelopmentAPI designAPI developmentAlgorithm FetchingAlgorithm implementationBuild SystemBuild System ConfigurationC ProgrammingC programmingC/C++ DevelopmentCode GenerationCode OrganizationCode RefactoringConcurrencyCryptography
Repositories Contributed To
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