🛡️ Sentinel: [MEDIUM/ENHANCEMENT] Fix timing attack and improve charset consistency#27
🛡️ Sentinel: [MEDIUM/ENHANCEMENT] Fix timing attack and improve charset consistency#27
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…et consistency - Replaced `equalsIgnoreCase` with `MessageDigest.isEqual` in `PasswordManager` to prevent timing attacks. - Enforced `StandardCharsets.UTF_8` in `SHA256` and `PasswordManager` for cross-platform consistency. - Optimized `RandomStringGenerator` to use a static `SecureRandom` instance. - Updated `.gitignore` to prevent committing test-generated log and data files. - Added security journal entry for timing attacks and charset issues. Co-authored-by: richkmeli <7313162+richkmeli@users.noreply.github.com>
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This PR introduces several security enhancements to the JFramework library:
PasswordManagerwas usingequalsIgnoreCase, which is susceptible to timing attacks. It has been replaced withMessageDigest.isEqual, providing a constant-time comparison.SHA256andPasswordManagerwere using the platform's default charset, which can lead to inconsistent behavior and potential security gaps across different environments. These have been updated to explicitly useStandardCharsets.UTF_8.RandomStringGeneratorwas creating a newSecureRandominstance for every call. This has been changed to use a single static instance for better performance and a consistent entropy source..gitignoreto include temporary files generated by the test suite, preventing accidental commitment of sensitive or transient data..jules/sentinel.mdto track critical security learnings.PR created automatically by Jules for task 5543935316158383524 started by @richkmeli