trezor/trezor-firmware
Oct 2025 – Jun 2026
9 Months active
Languages Used
CPythonC++RustJSON
Technical Skills
BIP-39CardanoCryptographyEmbedded SystemsFirmware TestingFixture Management
Martin Pastyřík
PROFILE
Martin Pastyřík
Over nine months, contributed to trezor/trezor-firmware by building and refining security-critical firmware features, focusing on identity key management, Cardano mnemonic handling, and robust test automation. Leveraged C, Python, and Rust to implement binary mnemonic storage, constant-time cryptographic operations, and CLI tools for sensor configuration. Enhanced reliability through targeted bug fixes in embedded modules and stabilized nightly hardware tests by introducing dynamic proof generation. Improved maintainability by updating protobuf interfaces, clarifying documentation, and aligning UI test fixtures with evolving workflows. Prioritized code quality and auditability, ensuring backward compatibility and secure device identity provisioning across firmware upgrades and hardware configurations.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
18Total
Bugs
4
Commits
18
Features
10
Lines of code
10,455
Activity Months9
Your Network
168 peopleWork History
June 2026
1 Commits
Jun 1, 2026June 2026 (trezor/trezor-firmware) - Reliability hardening in the Tropic module. No new user-facing features were delivered this month; the primary contribution was a targeted bug fix that corrects a false-return condition in tropic.c, improving conditional reliability and overall module stability. The fix is tracked by commit e473dcc3dd206200c68638243acc16fe5c0551d0, reinforcing code quality and auditability.
1 Commits
Jun 1, 2026June 2026 (trezor/trezor-firmware) - Reliability hardening in the Tropic module. No new user-facing features were delivered this month; the primary contribution was a targeted bug fix that corrects a false-return condition in tropic.c, improving conditional reliability and overall module stability. The fix is tracked by commit e473dcc3dd206200c68638243acc16fe5c0551d0, reinforcing code quality and auditability.
June 2026
May 2026
1 Commits • 1 Features
May 1, 2026Monthly summary for 2026-05 for trezor/trezor-firmware focusing on key accomplishments, impact, and skills demonstrated.
May 2026
1 Commits • 1 Features
May 1, 2026Monthly summary for 2026-05 for trezor/trezor-firmware focusing on key accomplishments, impact, and skills demonstrated.
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary focusing on key accomplishments and business impact for trezor-firmware. The main deliverable this month was the rotation index support for Evolu sign registration, enabling robust management of multiple indices for delegated identity keys and improving signing reliability and auditability. Changes were designed to be backward-compatible and integrated with the existing core signing workflow.
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary focusing on key accomplishments and business impact for trezor-firmware. The main deliverable this month was the rotation index support for Evolu sign registration, enabling robust management of multiple indices for delegated identity keys and improving signing reliability and auditability. Changes were designed to be backward-compatible and integrated with the existing core signing workflow.
April 2026
March 2026
1 Commits
Mar 1, 2026In March 2026, stabilized the Evolu nightly test suite for trezor/trezor-firmware by implementing dynamic proofs of delegated identity. The fix prevents hardware-test failures caused by static proof generation, reducing flaky CI runs and improving release confidence. This work enhances firmware reliability, security validation, and overall product quality, enabling faster iteration on core features with stable nightly testing.
March 2026
1 Commits
Mar 1, 2026In March 2026, stabilized the Evolu nightly test suite for trezor/trezor-firmware by implementing dynamic proofs of delegated identity. The fix prevents hardware-test failures caused by static proof generation, reducing flaky CI runs and improving release confidence. This work enhances firmware reliability, security validation, and overall product quality, enabling faster iteration on core features with stable nightly testing.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 — trezor-firmware: Focused on strengthening UI test coverage for critical flows by updating test fixtures to reflect changes in backup device and change PIN tests. This work ensures UI tests remain reliable as the UI evolves, reducing flaky tests and accelerating firmware validation.
1 Commits • 1 Features
Feb 1, 2026February 2026 — trezor-firmware: Focused on strengthening UI test coverage for critical flows by updating test fixtures to reflect changes in backup device and change PIN tests. This work ensures UI tests remain reliable as the UI evolves, reducing flaky tests and accelerating firmware validation.
February 2026
January 2026
4 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for trezor/trezor-firmware. Focused on security configuration management for Tropic sensors and ramping up hardware-aware testing infrastructure. Delivered a new Tropic Sensor Configuration and Data Erasure CLI, and upgraded the testing framework to improve Evolu hardware compatibility and delegated identity key workflows. These efforts enhanced security configurability, test reliability, and hardware coverage while reducing reliance on hard-coded values.
January 2026
4 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for trezor/trezor-firmware. Focused on security configuration management for Tropic sensors and ramping up hardware-aware testing infrastructure. Delivered a new Tropic Sensor Configuration and Data Erasure CLI, and upgraded the testing framework to improve Evolu hardware compatibility and delegated identity key workflows. These efforts enhanced security configurability, test reliability, and hardware coverage while reducing reliance on hard-coded values.
December 2025
1 Commits
Dec 1, 2025December 2025 monthly summary focusing on key accomplishments in trezor-firmware: implemented Identity Key Management Reliability improvement by removing the deprecated host static public key from the EvoluGetDelegatedIdentityKey protobuf message and updating related logic to use the key stored in the channel cache. This change reduces protocol drift, strengthens security around identity provisioning, and lays groundwork for centralized key governance in firmware releases. Overall, the work enhanced robustness, traceability, and maintainability of identity key handling with clear business value in secure device identity workflows.
1 Commits
Dec 1, 2025December 2025 monthly summary focusing on key accomplishments in trezor-firmware: implemented Identity Key Management Reliability improvement by removing the deprecated host static public key from the EvoluGetDelegatedIdentityKey protobuf message and updating related logic to use the key stored in the channel cache. This change reduces protocol drift, strengthens security around identity provisioning, and lays groundwork for centralized key governance in firmware releases. Overall, the work enhanced robustness, traceability, and maintainability of identity key handling with clear business value in secure device identity workflows.
December 2025
November 2025
4 Commits • 2 Features
Nov 1, 2025Performance month 2025-11: Delivered security-focused features and UX improvements in trezor/trezor-firmware, fixed a critical mnemonic processing vulnerability, and enhanced overall security, UX, and maintainability. Business value realized through stronger threat resistance, improved key handling, and streamlined user flows, backed by targeted test updates and refactoring.
November 2025
4 Commits • 2 Features
Nov 1, 2025Performance month 2025-11: Delivered security-focused features and UX improvements in trezor/trezor-firmware, fixed a critical mnemonic processing vulnerability, and enhanced overall security, UX, and maintainability. Business value realized through stronger threat resistance, improved key handling, and streamlined user flows, backed by targeted test updates and refactoring.
October 2025
4 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for trezor/trezor-firmware focusing on Cardano mnemonic handling improvements, upgrade-data-integrity testing, and development/testing fixture updates. Key contributions include binary mnemonic storage and derivation refinements for Cardano, upgrade-compatibility checks across app storage upgrades, and refreshed UI fixtures to support robust development and QA.
4 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for trezor/trezor-firmware focusing on Cardano mnemonic handling improvements, upgrade-data-integrity testing, and development/testing fixture updates. Key contributions include binary mnemonic storage and derivation refinements for Cardano, upgrade-compatibility checks across app storage upgrades, and refreshed UI fixtures to support robust development and QA.
October 2025
Activity
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Quality Metrics
Correctness92.8%
Maintainability87.8%
Architecture90.6%
Performance86.6%
AI Usage23.4%
Skills & Technologies
Programming Languages
CC++JSONPythonRust
Technical Skills
API developmentBIP-39C programmingCardanoCryptographyEmbedded SystemsFirmware TestingFixture ManagementJSONPythonPython testingRust programmingTest AutomationTestingUI Development
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