IC decryption is mainly used on PCBA clone; it trends to be able to program research in the future. IC decryption is furthermore generally known as MCU crack and chip decryption, a process that attack use special gadgets to acquire key information on the nick by various technical methods. These procedures are called IC decryption technologies. In this article we introduce a few IC decryption technologies.

As a matter of fact, processor chip crack is a kind of specific and complicated high-end science and technology. Software attack, digital detection attack, problem generated technology plus probe technique will be common IC decryption technologies. Now we all make a detailed introduction to all of them.
1 ) Software attack

This technique means in order to find out MCU's design defect through softwares and read out internal OTP/flash ROM or EEPROM code. This is usually not a great IC decryption technology mainly because it takes excessive research time and even each chip along with the same sequence is different.
2 . not Electronic detection attack

This method generally monitors simulation functions of processor's just about all power supplies connecting with interfaces using high time image resolution; furthermore, it conducts attack by watching its electromagnetic the radiation characteristics. MCU is definitely an active electronic component, when it executes different instructions, the corresponding power intake also changes appropriately, so the major information can be acquired by inspecting and detecting these types of changes with special electronic measuring instruments and mathematical record methods.

3. Mistake generated technology

This particular IC decryption technological innovation uses abnormal operating conditions to generate processor error, after which provides additional use of get information. Probably the most widely used fault produced attack methods incorporate voltage surge, time clock shock; low volt quality and high volt quality attack can get used to forbid protection circuit operating or force cpu to execute faulty operation. Clock transitive jump can reset the protection routine but not damage safeguarded information; power supply and clock transient jump can impact specific instruction decoding in addition to execution in some processors.

4. Probe technique

Probe technique in addition to FIB technique are popular IC decryption, but their expense is high. https://pcb-reverse-engineering.com exposes chip's interconnect and next observes, controls in addition to interferes MCU to be able to achieve attack. This mainly includes unpleasant attack and non-invasive attack.


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Last-modified: 2024-04-30 (火) 21:02:44 (17d)