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limitedresults.com | ||
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oxide.computer
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| | | | | A write up of the LPC55S69 ROM Patch. | |
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grazfather.github.io
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| | | | | [AI summary] The article describes the process of building a glitching tool using an FPGA to exploit a vulnerability in a target board's bootloader. The tool uses UART communication and precise timing to induce a voltage glitch at the right moment to trick the bootROM into thinking the bootloader is unlocked, allowing unauthorized access to the flash memory. The author discusses the design, setup, simulation, and testing of the glitcher, highlighting challenges like clock speed differences, pulse width granularity, and hardware modifications to achieve successful glitching. | |
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danielmangum.com
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| | | | | Isolating sensitive data and operations is a fundamental issue in computing. Ideally, we want to minimize the possibility of a software defect compromising the security of a device. However, in order for the software we write to be useful, it typically needs to interact with that sensitive data in some form or fashion. So how do we interact with sensitive data without being able to access it? The answer is that we bring only the operations that must access the sensitive data closer to the data, then force all other software to invoke those operations via some sort of interface. | |
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blog.michal.pawlik.dev
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| | | This is a second post in the Smart Home series. See the previous post if you haven't already: https://blog.michal.pawlik.dev/posts/smarthome/smart-home-getting-started/. Last time we have set up the HA (Home Assistant), in this post we'll learn about Zigbee and control some devices. Zigbee Zigbee is a specification for wireless communication protocols, very common solution for building home automation networks. Explaining new terms is always easier when there's something well known you can relate to, so before describing Zigbee let's recall something familiar, the typical WiFi network. | ||
