In addition to enhancing security, this new code blend has reportedly brought significant performance improvements (5-15%) to font operations. DWriteCore, the Windows App SDK implementation of the DirectWrite API, now comprises approximately 152,000 lines of Rust code and about 96,000 lines of C++ code. Microsoft began rewriting portions of Windows in Rust in 2020, starting with the DirectWrite API (a part of the DirectX framework) which is responsible for managing high-quality text rendering, resolution-independent outline fonts, full Unicode text and layout support, and more. Speaking at BlueHat IL 2023 in Tel Aviv, Israel, last month, Weston mentioned that Windows 11 could boot in Rust, even though the code's port is currently disabled and concealed behind a feature flag.
Notably, memory safety bugs account for 70% of the CVE-listed security vulnerabilities fixed in Windows since 2006.Īccording to David "Dwizzle" Weston, VP of OS Security and Enterprise at Microsoft, some Rust code has been implemented in the Windows kernel already. As a typical compiled language, Rust offers native performance for various types of applications, including computer software, low-resource devices, and embedded appliances.Īlso read: How a broken elevator led to one of the most loved programming languages available todayĪside from its performance, one of Rust's main attractions is the fact that the language was designed to provide memory safety from the outset, thereby eliminating many categories of bugs and potential vulnerabilities at compile time. Rust is a fast, memory-efficient programming language created by Graydon Hoare while working at Mozilla, the first company to officially sponsor and adopt it for their experimental browser engine, Servo. Redmond's software engineers have been diligently rewriting crucial parts of the operating system in Rust, bringing significant improvements in both performance and security to the underlying code. Rust can provide a highly effective solution to this long-standing problem, and Windows programmers are well aware of its potential.Īlthough Rust is still a relatively recent programming language, Microsoft has already embraced the technology as one of the most promising upgrades for Windows core programming.
Recap: Historically, the vast majority of security issues encountered on the Windows platform have been memory-related bugs.
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