Brute-force attacks on passwords are one of the main threats in cybersecurity. With the advent of powerful graphics cards, the speed of cracking hashed passwords has increased dramatically, making traditional CPU solutions inefficient. This study analyzes and compares the performance of a CPU (Intel Core i9-10900F) and a GPU (NVIDIA RTX 3090) in password cracking using the Hashcat tool. The MD4 hashing algorithm and various password lengths are examined. The results show that the GPU provides significantly higher performance than the CPU, while some algorithms are more resistant to GPU attacks. The study also analyzes the impact of combining CPU and GPU on password cracking speed and provides recommendations for improving password security in practice.

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Computational Efficiency of Brute-Force Attacks on Hashing Algorithms

  • Stefan Pocarovsky,
  • Ladislav Kockovic,
  • Milos Orgon,
  • Rastislav Róka

摘要

Brute-force attacks on passwords are one of the main threats in cybersecurity. With the advent of powerful graphics cards, the speed of cracking hashed passwords has increased dramatically, making traditional CPU solutions inefficient. This study analyzes and compares the performance of a CPU (Intel Core i9-10900F) and a GPU (NVIDIA RTX 3090) in password cracking using the Hashcat tool. The MD4 hashing algorithm and various password lengths are examined. The results show that the GPU provides significantly higher performance than the CPU, while some algorithms are more resistant to GPU attacks. The study also analyzes the impact of combining CPU and GPU on password cracking speed and provides recommendations for improving password security in practice.