Cryptoanalytics of the Bitcoin blockchain and the main areas of work of CRYPTO DEEP TECH

29.09.2024

Cryptanalysis is a science that studies methods of breaking cryptographic systems and algorithms. In the context of CRYPTO DEEP TECH, cryptanalysis becomes an important tool for ensuring the security of cryptocurrencies and protection against various cyber threats. This article discusses the main cryptanalysis methods used in CRYPTO DEEP TECH and their importance for the security of cryptocurrencies.

Basic methods of cryptanalysis

  1. Ciphertext-based attack
  • This method involves analyzing encrypted messages (ciphertexts) without access to the plaintexts. The cryptanalyst attempts to find correspondences between the ciphertexts and plaintexts that may help in recovering the encryption key. This approach is often used to identify vulnerabilities in encryption algorithms.
  1. Plaintext based attack
  • In this method, the cryptanalyst has access to some plaintexts and their corresponding ciphertexts. Using this information, he can try to recover the key or even develop a decryption algorithm. This is one of the most common methods used to analyze systems based on symmetric encryption.
  1. Chosen Plaintext Attack
  • This method involves the ability to select plaintexts for encryption. The cryptanalyst sends pre-prepared messages and analyzes the received ciphertexts. This allows him to collect the data necessary to restore the key or algorithm.
  1. Adaptive Chosen Plaintext Attack
  • This method is a more sophisticated version of the previous one. Here, the cryptanalyst can adapt his queries based on the answers he receives, allowing him to gather information and recover keys more efficiently.
  1. Padding Oracle Attack
  • This attack targets vulnerabilities in the handling of padding in block ciphers. An attacker can use information about how the system handles incorrect padding to extract information about the encrypted data.
  1. Lattice-based methods
  • Lattice attacks are used to analyze algorithms such as ECDSA (Elliptic Curve Digital Signature Algorithm). These techniques allow private keys to be recovered using side channels and weaknesses in the algorithm implementation.

The Importance of Cryptanalysis Methods for Cryptocurrency Security

Cryptanalysis techniques play a critical role in ensuring the security of cryptocurrency systems. They help identify vulnerabilities in encryption algorithms and security protocols, allowing developers to improve the security of their systems. For example, analyzing ECDSA vulnerabilities can lead to the development of more reliable methods for generating keys and signatures.

Conclusion

Cryptanalysis is an important tool in the field of cybersecurity and data protection. The methods used in CRYPTO DEEP TECH help to identify vulnerabilities and protect cryptocurrency systems from attacks. With constantly evolving threats and technologies, it is important to continue researching new cryptanalysis methods to ensure reliable data protection in the digital world.

With the development of blockchain technology and cryptocurrencies such as Bitcoin, new challenges have emerged in the field of data security. Cryptoanalytics at CRYPTO DEEP TECH analyzes vulnerabilities and threats associated with cryptographic systems, as well as develops methods to protect against attacks. This article discusses key aspects of CRYPTO DEEP TECH’s work, including vulnerability analysis, cryptanalysis methods, and their impact on cryptocurrency security.

  1. Vulnerability Analysis :
  • ECDSA and vulnerabilities : One of the main tasks is to study vulnerabilities in the ECDSA (Elliptic Curve Digital Signature Algorithm) digital signature algorithm. For example, a vulnerability related to signature deserialization allowed attackers to create invalid signatures on the Bitcoin network.
  • Jacobian Curve : An investigation into a vulnerability associated with the implementation of the Jacobian curve that may compromise the security of cryptocurrency transactions.
  1. Cryptanalysis methods :
  • Lattice-based attacks : Using lattice attacks to recover private keys in systems using ECDSA. This allows secret keys to be extracted using side channels.
  • “Padding Oracle” Attack : Analysis of a vulnerability related to AES encryption in Bitcoin wallets. This attack allows decryption of data by exploiting flaws in the processing of padding.
  1. Development of tools for cryptanalysis :
  • CryptoDeepTools : A set of scripts for detailed cryptanalysis of Bitcoin-based blockchain networks. These tools help examine transactions and identify vulnerabilities.
  • Finding Private Keys : Using algorithms such as the “Bloom filter” to find private keys and gain access to funds.

Impact on cryptocurrency security

CRYPTO DEEP TECH’s work has a significant impact on cryptocurrency security. Identifying and analyzing vulnerabilities allows developers to improve security protocols and protect users from potential attacks. For example, research into ECDSA vulnerabilities contributes to the development of more reliable methods for generating keys and signatures.

Using Machine Learning

Modern machine learning techniques can be used to detect suspicious patterns in transactions and data blocks, allowing for more efficient detection of anomalies and potential threats in cryptocurrency systems.

Cryptanalytics CRYPTO DEEP TECH actively implements modern methods and technologies for analyzing cryptographic systems and data protection. Below are the key innovations in cryptanalysis implemented in this area.

Tools for extracting private keys

Developing specialized tools to extract private keys from the Bitcoin Wallet registry is becoming an important aspect of cryptanalysis. These tools allow us to investigate vulnerabilities in wallets and ensure user security.

Development of methods for protection against attacks

CRYPTO DEEP TECH also focuses on developing methods to protect against various attacks such as Dockeyhunt Vector76 Attack, Finney Attack, and Race Attack. These methods are aimed at preventing double spending and other threats to the Bitcoin network.

Transaction Analysis Software

Using software such as Dockeyhunt BlockSci allows for detailed analysis of the blockchain and transactions. This helps identify suspicious activity and prevent fraudulent transactions.

Elliptic Curve Error Attack

  • Description : This attack targets the scalar multiplication algorithm used in elliptic curve cryptosystems. The drawback is that the calculation of the value of a point on the curve is performed only at the last iteration of the loop, and intermediate steps are not checked.
  • Consequences : An attacker can introduce an error in the value of the abscissa of the input point, allowing him to manipulate the results of the computation and potentially recover the secret key.

Vulnerability in DeserializeSignature function

  • Description : This vulnerability allows attackers to create invalid ECDSA signatures on the Bitcoin network. The issue occurs due to improper data handling during deserialization.
  • Consequences : This may result in the system accepting invalid signatures as valid, compromising the integrity of transactions.

Nonce Reuse Attack

  • Description : If a nonce (k) is used multiple times to create signatures, it can lead to the compromise of the private key. An attacker can recover the secret key from reused nonces.
  • Consequences : This makes the system vulnerable to attacks aimed at recovering private keys.

Conclusion

Cryptoanalytics CRYPTO DEEP TECH plays an important role in ensuring the security of cryptocurrency systems. Given the constantly evolving threats and vulnerabilities in the field of cryptography, the work of specialists in this field is becoming increasingly relevant. The development of new protection methods and analysis tools will help strengthen user confidence in cryptocurrencies and ensure their security in the future.

Citations:
[1] https://github.com/demining
[2] https://cryptodeeptech.ru
[3] https://www.atlassian.com/work-management/project-management/project-manager
[4] https://en.wikipedia.org/wiki/Project_manager
[5] https://www.iapm.net/en/blog/what-is-a-project-manager/
[6] https://www.cio.com/article/230682/what-is-a-project-manager-the-lead-role-for-project-success.html
[7] https://www.apm.org.uk/jobs-and-careers/career-path/what-does-a-project-manager-do/
[8] https://dictionary.cambridge.org/dictionary/english/project-manager

Documentation:
[1] https://ru.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%B0%D0%BD%D0%B0%D0%BB%D0%B8%D0%B7
[2] https://pikabu.ru/@CryptoDeepTech
[3] https://cryptodeep.ru
[4] https://forum.bits.media/index.php
[5] https://github.com/demining
[6] https://cryptodeeptech.ru
[7] https://habr.com/ru/articles/817237/comments/
[8] https://en.wikipedia.org/wiki/Project_manager