ELLIPTIC CURVE CRYPTOGRAPHY (ECC) KEY GENERATION, ENCRYPTION, DECRYPTION, AND DIGITAL SIGNATURES: LEARN BY EXAMPLES WITH PYTHON AND TKINTER
About this ebook
The GUI starts with the key generation tab, where users can generate ECC key pairs. These key pairs are essential for the subsequent encryption and signing operations. The GUI provides feedback on the generated keys, displaying the public and private keys in hexadecimal format. This feature is crucial for understanding the foundational role of ECC in modern cryptography, where small key sizes provide strong security. The key generation process also highlights the advantages of ECC over traditional RSA, particularly in terms of efficiency and security per bit length.
In the encryption and decryption tab, the GUI enables users to encrypt synthetic financial data using the previously generated ECC keys. The encryption process is performed using AES in Cipher Feedback (CFB) mode, with the AES key derived from the ECC private key through key derivation functions. This setup showcases the hybrid approach where ECC is used for key exchange or key derivation, and AES is employed for the actual encryption of data. The GUI displays the generated ciphertext in a hexadecimal format, along with the Initialization Vector (IV) used in the encryption process, providing a clear view of how the encrypted data is structured.
The signing and verifying tab demonstrates the use of ECC for digital signatures. Here, users can sign the synthetic financial data using the ECDSA (Elliptic Curve Digital Signature Algorithm), a widely recognized algorithm for ensuring data integrity and authenticity. The GUI displays the generated digital signature in hexadecimal format, offering insights into how ECC is applied in real-world scenarios like secure messaging and digital certificates. The verification process, where the signature is checked against the original data using the ECC public key, is also integrated into the GUI, emphasizing the importance of digital signatures in verifying data authenticity.
The synthetic financial data used in these operations is generated within the GUI, simulating transaction records that include fields such as transaction ID, account number, amount, currency, timestamp, and transaction type. This dataset is crucial for demonstrating the encryption and signing processes in a context that mirrors real-world financial systems. By encrypting and signing this data, users can understand how ECC can be applied to protect sensitive information in financial transactions, ensuring both confidentiality and integrity.
Finally, the GUI’s design incorporates user-friendly elements such as scrolled text widgets for displaying long hexadecimal outputs, entry fields for user inputs, and clear labels for guiding the user through each cryptographic operation. The application provides a comprehensive and interactive learning experience, allowing users to explore the intricacies of ECC in a controlled environment. By integrating ECC with AES for encryption and ECDSA for signing, the GUI offers a practical demonstration of how modern cryptographic techniques can be combined to secure data, making it an invaluable tool for anyone looking to understand or teach the principles of ECC-based cryptography.
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About the author
Vivian Siahaan is a highly motivated individual with a passion for continuous learning and exploring new areas. Born and raised in Hinalang Bagasan, Balige, situated on the picturesque banks of Lake Toba, she completed her high school education at SMAN 1 Balige. Vivian's journey into the world of programming began with a deep dive into various languages such as Java, Android, JavaScript, CSS, C++, Python, R, Visual Basic, Visual C#, MATLAB, Mathematica, PHP, JSP, MySQL, SQL Server, Oracle, Access, and more. Starting from scratch, Vivian diligently studied programming, focusing on mastering the fundamental syntax and logic. She honed her skills by creating practical GUI applications, gradually building her expertise. One particular area of interest for Vivian is animation and game development, where she aspires to make significant contributions. Alongside her programming and mathematical pursuits, she also finds joy in indulging in novels, nurturing her love for literature. Vivian Siahaan's passion for programming and her extensive knowledge are reflected in the numerous ebooks she has authored. Her works, published by Sparta Publisher, cover a wide range of topics, including "Data Structure with Java," "Java Programming: Cookbook," "C++ Programming: Cookbook," "C Programming For High Schools/Vocational Schools and Students," "Java Programming for SMA/SMK," "Java Tutorial: GUI, Graphics and Animation," "Visual Basic Programming: From A to Z," "Java Programming for Animation and Games," "C# Programming for SMA/SMK and Students," "MATLAB For Students and Researchers," "Graphics in JavaScript: Quick Learning Series," "JavaScript Image Processing Methods: From A to Z," "Java GUI Case Study: AWT & Swing," "Basic CSS and JavaScript," "PHP/MySQL Programming: Cookbook," "Visual Basic: Cookbook," "C++ Programming for High Schools/Vocational Schools and Students," "Concepts and Practices of C++," "PHP/MySQL For Students," "C# Programming: From A to Z," "Visual Basic for SMA/SMK and Students," and "C# .NET and SQL Server for High School/Vocational School and Students." Furthermore, at the ANDI Yogyakarta publisher, Vivian Siahaan has contributed to several notable books, including "Python Programming Theory and Practice," "Python GUI Programming," "Python GUI and Database," "Build From Zero School Database Management System In Python/MySQL," "Database Management System in Python/MySQL," "Python/MySQL For Management Systems of Criminal Track Record Database," "Java/MySQL For Management Systems of Criminal Track Records Database," "Database and Cryptography Using Java/MySQL," and "Build From Zero School Database Management System With Java/MySQL." Vivian's diverse range of expertise in programming languages, combined with her passion for exploring new horizons, makes her a dynamic and versatile individual in the field of technology. Her dedication to learning, coupled with her strong analytical and problem-solving skills, positions her as a valuable asset in any programming endeavor. Vivian Siahaan's contributions to the world of programming and literature continue to inspire and empower aspiring programmers and readers alike.
Rismon Hasiholan Sianipar, born in Pematang Siantar in 1994, is a distinguished researcher and expert in the field of electrical engineering. After completing his education at SMAN 3 Pematang Siantar, Rismon ventured to the city of Jogjakarta to pursue his academic journey. He obtained his Bachelor of Engineering (S.T) and Master of Engineering (M.T) degrees in Electrical Engineering from Gadjah Mada University in 1998 and 2001, respectively, under the guidance of esteemed professors, Dr. Adhi Soesanto and Dr. Thomas Sri Widodo. During his studies, Rismon focused on researching non-stationary signals and their energy analysis using time-frequency maps. He explored the dynamic nature of signal energy distribution on time-frequency maps and developed innovative techniques using discrete wavelet transformations to design non-linear filters for data pattern analysis. His research showcased the application of these techniques in various fields. In recognition of his academic prowess, Rismon was awarded the prestigious Monbukagakusho scholarship by the Japanese Government in 2003. He went on to pursue his Master of Engineering (M.Eng) and Doctor of Engineering (Dr.Eng) degrees at Yamaguchi University, supervised by Prof. Dr. Hidetoshi Miike. Rismon's master's and doctoral theses revolved around combining the SR-FHN (Stochastic Resonance Fitzhugh-Nagumo) filter strength with the cryptosystem ECC (elliptic curve cryptography) 4096-bit. This innovative approach effectively suppressed noise in digital images and videos while ensuring their authenticity. Rismon's research findings have been published in renowned international scientific journals, and his patents have been officially registered in Japan. Notably, one of his patents, with registration number 2008-009549, gained recognition. He actively collaborates with several universities and research institutions in Japan, specializing in cryptography, cryptanalysis, and digital forensics, particularly in the areas of audio, image, and video analysis. With a passion for knowledge sharing, Rismon has authored numerous national and international scientific articles and authored several national books. He has also actively participated in workshops related to cryptography, cryptanalysis, digital watermarking, and digital forensics. During these workshops, Rismon has assisted Prof. Hidetoshi Miike in developing applications related to digital image and video processing, steganography, cryptography, watermarking, and more, which serve as valuable training materials. Rismon's field of interest encompasses multimedia security, signal processing, digital image and video analysis, cryptography, digital communication, digital forensics, and data compression. He continues to advance his research by developing applications using programming languages such as Python, MATLAB, C++, C, VB.NET, C#.NET, R, and Java. These applications serve both research and commercial purposes, further contributing to the advancement of signal and image analysis. Rismon Hasiholan Sianipar is a dedicated researcher and expert in the field of electrical engineering, particularly in the areas of signal processing, cryptography, and digital forensics. His academic achievements, patented inventions, and extensive publications demonstrate his commitment to advancing knowledge in these fields. Rismon's contributions to academia and his collaborations with prestigious institutions in Japan have solidified his position as a respected figure in the scientific community. Through his ongoing research and development of innovative applications, Rismon continues to make significant contributions to the field of electrical engineering.
