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…ency, and improve entropy generation - Mitigated timing attacks in PasswordManager by using constant-time comparison (MessageDigest.isEqual). - Ensured charset consistency by using StandardCharsets.UTF_8 for all cryptographic string/byte conversions in PasswordManager and SHA256. - Improved entropy generation and performance in RandomStringGenerator by using a single static SecureRandom instance. - Cleaned up temporary test artifacts. Co-authored-by: richkmeli <7313162+richkmeli@users.noreply.github.com>
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This PR addresses several security-related issues and enhancements:
equalsIgnoreCasewithjava.security.MessageDigest.isEqualfor comparing password hashes inPasswordManager.java. This ensures that password verification takes the same amount of time regardless of how many bytes match, preventing attackers from using timing measurements to guess hashes.PasswordManager.javaandSHA256.javato explicitly useStandardCharsets.UTF_8instead of platform default charsets. This prevents potential security risks and inconsistencies across different operating environments.RandomStringGenerator.javato use a single staticSecureRandominstance. This improves performance and ensures a consistent source of entropy for all random string generations..jules/sentinel.md.All tests passed across all modules.
PR created automatically by Jules for task 4484946830633769768 started by @richkmeli