Cipher Method Research Articles

Data Security Techniques Using Vigenere Cipher And Steganography Methods In Inserting Text Messages In Images

Improving data security has become a top priority in many industries, especially when it comes to sending and receiving private communications. Embedding text into photos using steganography and the Vigenere Cipher Method is one method of protecting text messages. In order to maintain the security of text embedded in images via web-based applications, the main challenge in this research is how to integrate and apply the Vigenere Cipher algorithm and LSB steganography while still paying attention to the size of the image message that has been ciphertexted. insertion and what not. Combining these two techniques aims to increase the level of security when encrypting message text. The message text is encrypted using the Vigenere Cipher to protect it; Encrypted messages are difficult to decipher without the right key. Meanwhile, message text may be hidden visually in photos using steganography. Text messages are efficiently disguised in images and significantly encrypted thanks to the combination of these two techniques. In this research, steganography and Vigenere Cipher techniques are used and tested on various types of images. The combined use of these two techniques effectively improves data security, according to test results. The study also discusses a number of possible defenses, such as image size and quality, that may arise from combining the two approaches. The findings of this research can be applied to improve the security of text messages in various contexts, such as online communications and data storage. Through the integration of steganography and Vigenere Cipher technology, users can guarantee the confidentiality of their communication texts and prevent unapproved access.

Development of Hill Cipher Method For Encryption And Decryption of Drug Prescriptions to Improve Data Security

A prescription is a written request from a doctor to a pharmacist, as not everyone can know the dosage or type of a particular drug, especially patients who need a prescription for the drug must be kept secret. Rapid technological advances can have an impact on all sectors, both private and government, including the medical field. One of the medical services that utilizes IT is to send prescription messages electronically to pharmacists in response to doctors' requests. The many misuse of prescription drugs by irresponsible people and misreading prescription drugs by pharmacists can be fatal for patients, so a solution is needed to overcome these problems. The purpose of this study is to create an encrypted electronic recipe application using the Hill Cipher method. This research method generally starts from data collection, data analysis and encryption model development. Applications designed with the Hill Cipher Algorithm are developed with modified algorithm keys using postal code patterns as the matrix keys, this aims to achieve the maximum level of security. The results of the system functionality test using the black box method obtained normal results for all system test scenarios. Validity testing yields valid results. The final test, through questionnaire testing, obtained a good level of system feasibility, namely an average level of Service of 83%, Features of 78% and Performance of 81%. Overall, the system has given a good performance score as the accuracy of the system is above 70%.

Perancangan Dan Implementasi Caesar Chiper Untuk Meningkatkan Keamanan Sistem Informasi Akademik Sekolah Berbasis Android

This research focuses on the design and implementation of the Caesar Cipher method to improve the security of an Android-based School Academic Information System. In this digital era, data security is a major concern, especially in school academic information systems that manage important data. The Caesar Cipher method, as a simple and easy to implement encryption technique, is used in this research. The research results show that the implementation of Caesar Cipher has succeeded in increasing data security in the system. While this method does not provide a very high level of security, it can be part of a more complex security approach. Overall, this research shows that the design and implementation of Caesar Cipher is an effective step in improving the security of Android-based school academic information systems.

A STRONG AND PRACTICAL AUTHENTICATION MECHANISM USING PASSTEXT AND ONE MINUTE PASSCODE

In this modern world, hacking is growing faster, and there is no privacy for personal data. Therefore, we have decided to create passwords using new methods. This project demonstrates that there is no secret shared between the user and strangers; it presents a one minute challenge to unlock private data. Our project generates random codes minute by minute, and each password is only valid for just one minute, which is called OMP (One Minute Passcode). Therefore, the user doesn't know the correct password at all times. These passkeys are then sent to the user's mobile phone using the Twilio method, which is more secure and provided by Google to communicate through secret authentication methods and tokens. Thus, hacking becomes impossible with this level of complexity. In the future, if there's a possibility of hacking, we will update the cipher methods to unlock the data. Nowadays, the usage of PCs and mobile phones has increased rapidly. What if the passwords are not known by the user or strangers in this modern technology. Our project ensures privacy between users and hackers or strangers; secret passwords may sometimes be compromised, but random passwords will never be known to users or strangers. This idea is used here to maintain safety while unlocking our privacy or private sectors by creating random codes and sending them to the user's mobile IP value or number. We can easily unlock our device in a non-hackable form using brute force and Twilio, which are the main components of our data protection system. In the older authentication method, there were only 6-digit numbersto unlock data, which were available only for apps. Like an OTP, this method randomly generates a 6-digit code to unlock the private sector, which is available on the same phone or PC. This makes it easy for hackers to access details using your phone number or email. These passkeys are dynamic and not stable at all times, and theirsize istoo small. A relational database plays a major role here, we also use the emergency password method for user convenience. KEYWORDS: Security Authentication, Twilio, Database, Spyware attacks, Hacking, Password Authentication,Database.

Hybrid Edge Detection Methods in Image Steganography for High Embedding Capacity

Abstract In this research, we propose two new image steganography techniques focusing on increasing image-embedding capacity. The methods will encrypt and hide secret information in the edge area. We utilized two hybrid methods for the edge detection of the images. The first method combines the Laplacian of Gaussian (LoG) with the wavelet transform algorithm and the second method mixes the LOG and Canny. The Combining was performed using addWeighted. The text message will be encrypted using the GIFT cipher method for further security and low computation. For the effectiveness evaluation of the proposed method, various evaluation metrics were used such as embedding capacity, PSNR, MSE, and SSIM. The obtained results indicate that the proposed method has a greater embedding capacity in comparison with other methods, while still maintaining high levels of imperceptibility in the cover image.

Foveal Avascular Zone Image Encryption using Pixel Scrambling Combination Technique for Medical Image Security

Data theft from year to year has increased in the era of big data and society 5.0. One area that requires data security is patient medical data. Medical image data security must be done to protect medical data security from data theft by third parties so that they cannot access the data. The development of Diabetic Retinopathy (DR) is also increasing every year. Determining the severity of DR is done by detecting the Foveal Avascular Zone (FAZ). Encryption is the process of changing a plain image into a cipher image. In this study, we compared the results of image quality and encryption time between the Vigenere Cipher method and a combination of pixel scrambling. The average encryption time of the tested FAZ images is 3.20 seconds. This result proves that the pixel combination method has a faster encryption time than the Vigenere Cipher. Vigenere Cipher encryption time is 4.96 seconds. The existence of the FAZ area with the pixel combination randomization method of the encryption process is also invisible, so third parties will not know about its existence.

Super Encryption of the Hill Cipher Method and the AES Method for Security of Employee Salary Data

Data security is a security system that is needed to protect data in systems, networks and other digital components. In a unit or agency such as the South Binjai sub-district office, the management of employee salary data is done digitally, namely via a computer. However, in this increasingly sophisticated digital era, it can cause many irresponsible individuals to easily wiretapping the company's data so that it can be easily accessed by other parties, as well as employee salary data which contains a lot of data. important. In order to avoid unwanted things such as theft of personal data by irresponsible persons, a security system is needed that can maintain the confidentiality of data and secure data. Therefore, in this case, a security system is needed that can maintain the confidentiality of data and secure employee salary data. With that there are many algorithms that can be used in securing employee salary data. And the algorithm used is hill cipher and AES algorithm. The hill cipher algorithm is an encryption-decryption algorithm that uses a transformation matrix. The AES algorithm is a symmetric block ciphertext that can encrypt and decrypt information. The use of these two algorithms can further strengthen the security of employee salary data. From the results of the trials carried out, the sample data used containing employee salary data was successfully secured with both hill cipher and AES algorithms.

Implementation of Caesar Cipher Encryption Using Python Programming Language

Information security is a vital aspect of data communication that is of great concern while using computing devices. It is therefore not out of place in introducing cryptography at the early stage of the study of computer security. Many modern cryptographic methods are deeply rooted in mathematical principles and this makes it a little difficult to comprehend by some students who are deficient in mathematics in learning cryptography. An example of a simple and foremost technique used in cryptography is the Caesar cipher substitution method. This method is considered very weak in this modern day of quantum computing whereby the cipher text could be easily be deciphered. However, introducing cryptography principles using the Caesar cipher method would likely spur the interest of learners interested in computer security because of its simplicity. This paper was aimed at providing an easy approach to learning cryptographic principles at the introductory stage using the Caesar cipher encryption technique. An easy to comprehend algorithm was developed and implemented in Python programming language. The result produced the cipher text of the plain text encrypted. Also, a brute force attack was used to decipher the cipher text to expose the weakness of the method. This result would make learners to have an increased interest in modern cryptographic techniques.

Enhancing steganography using modified HHO and RC4

A lot of information is being sent around the globe these days, which increases the risk of knowledge leakage; as a result, it is crucial to preserve information security while exchanging data. Steganography and cryptography are the most essential methods, among many others, to guarantee the data's confidentiality. Encryption is making information unintelligible to anybody but the intended recipients. However, steganography is the study of hiding information in digital media so that nobody can detect it is there. This research introduces two methods for concealing and encrypting messages that improve the Stego image's visual quality and security while offering a sizable embedding capacity. A stream cipher method with a symmetric key, the RC4 algorithm, is utilized to encrypt and decode secret information. At the same time, a population-based metaheuristic, modified HHO, is employed to find the optimum spots in the cover medium to conceal encrypted sensitive data. Regarding security, picture quality, and attack resistance, the testing findings show that the proposed method excels over competing methods in terms of time and cost.

Image Encryption Techniques Using Dynamic Approach : An Article Review

In this study, a chaotic method is proposed that generates S-boxes similar to AES S-boxes with the help of a private key belonging to In this study, dynamic encryption techniques are explored as an image cipher method to generate S-boxes similar to AES S-boxes with the help of a private key belonging to the user and enable images to be encrypted or decrypted using S-boxes. This study consists of two stages: the dynamic generation of the S-box method and the encryption-decryption method. S-boxes should have a non-linear structure, and for this reason, K/DSA (Knutt Durstenfeld Shuffle Algorithm), which is one of the pseudo-random techniques, is used to generate S-boxes dynamically. The biggest advantage of this approach is the production of the inverted S-box with the S-box. Compared to the methods in the literature, the need to store the S-box is eliminated. Also, the fabrication of the S-box has a very large key space as it depends on the user's key. The encryption-decryption method allows changing pixel positions with the help of dynamically generated S-boxes, images, videos, etc. Thus, the study shows that a new method of S-boxes for dynamic cipher algorithms can be easily generated and applied to image encryption.

Networking Global Hip Hop Knowledges: The CIPHER Method

Abstract CIPHER: Hip Hop Interpellation is a global hip hop knowledge mapping project using ethnographic, digital, and arts practice research methods to better understand the emergences and flows of the culture's deeply local yet immanently global intertextualities. In this collaborative article, we network and develop ideas from six of CIPHER's global hip hop researchers, elaborating the project in method as well as theory. In so doing, we model our community-engaged CIPHER method of tracking thematic, conceptual, and archetypal relationships, presenting preliminary findings in four interrelated case studies: examples of hip hop knowledge transfer that evidence hip hop's generative glocal dialogue.

Penggabungan Metode Vigènere Cipher dan ElGamal Pada Pengamanan Pesan Rahasia

Vigènere Cipher is a symmetric cryptographic algorithm that uses the same type of key in the encryption and decryption process. The security of the Vigènere Cipher method lies in the modulo calculation used. ElGamal is an asymmetric cryptographic algorithm that uses two different types of keys in the encryption and decryption process. The security of the ElGamal algorithm lies in the complexity of calculating large prime numbers. The Vigènere Cipher and ElGamal have their advantages and disadvantages. The researchers are interested in combining the advantages of the two methods. In this study, two locks were carried out in the encryption and decryption process. The encryption process uses a public key and the decryption process uses a public key and a secret key . The key used comes from key formation using the ElGamal algorithm. The key security formed from the ElGamal algorithm lies in the large prime , the primitive root of the prime number , and the random integer which comes from the last three digits of Student Number. The conclusion of this study is that the combination of the Vigènere Cipher and ElGamal methods can increase the security of secret messages because it produces a ciphertext with twice the size ) of the original message.

PRISMA Archetype-Based Systematic Literature Review of Security Algorithms in the Cloud

Industries have embraced cloud computing for their daily operations due to the volume of data they create. As data generation and consumption have increased, the challenges and opportunities have also increased. Researchers have proposed various cryptographic schemes to secure data on the cloud. Regardless of the multiple cryptographic schemes proposed, security remains an obstacle to cloud computing’s widespread adoption. Also, these cryptographic schemes’ run times are proportional to data sizes, motivating excessive CPU engagement during execution of huge data, which has consequences for the need for high bandwidth to transfer data to the cloud. This systematic review tries to uncover the most often used cryptographic schemes and their run time trends to attain confidentiality and privacy of cloud data. The study considered published articles from well-known databases such as Taylor & Francis, Scopus, Research Gate, Web of Science, IEEE Xplore, Science Direct, Hindawi, Google Scholar, Sage, Emerald, Wiley Online Library, and ACM from 2016 to 2022. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were used to select 73 published works for this study using keyword searching. Data security and cloud security were the security challenges that received the greatest attention in the study with encryption techniques as the most common solution. From the study, 90% of the schemes used to secure data on the cloud produced linear run times. The investigation discovered that nonlinear symmetric stream cipher methods were infrequently employed to protect the secrecy and privacy of cloud data.

DESIGN AND IMPLEMENTATION OF A MATHEMATICAL ENCRYPTION MODEL FOR THE CENTRAL KURDISH FONT BASED ON UNICODE

This research focuses on the development of encryption algorithms for the Kurdish language, specifically tailored to the Kurdish alphabet. With the rapid growth and digital advancements in the Kurdistan Region of Iraq, there is a pressing need for accurate encryption methods that can be applied to Kurdish texts in administration and digital governance. To address this need, a mathematical encryption model is proposed, leveraging the Kurdish central font supported by Microsoft Windows to ensure compatibility between sender and receiver. The model utilizes the Unicode representation of Kurdish letters to calculate offset and mod values accurately. The effectiveness of the proposed model is validated through its implementation using the Caesar cipher method. Computation tasks are performed using Excel, while the encryption system is designed and programmed in C#. Extensive testing of the system with diverse key values demonstrates its high accuracy, achieving a high success rate in encrypting Kurdish texts. This research contributes significantly to the field of encryption for the Kurdish language, providing a scientific framework for further advancements in this area.

Implementasi Algoritma Advance Encryption Standard dan Caesar Cipher pada Pesan Terenkripsi

The development of information technology allows many people to communicate at any time with various media, one of which is the exchange of messages. However, many people do not realize that there are security holes that are used by irresponsible parties to commit crimes such as theft of messages, intercepting messages, and changing the contents of messages. One technique for securing messages is cryptography. Cryptography is the science and art of keeping messages secure when messages are sent from one place to another. Several cryptographic methods that can be used are Advanced Encryption Standard and Caesar Cipher, because the Advanced Encryption Standard method has high security for message security while the Caesar Cipher method has the advantage of being fast in calculations. The combination of these two algorithms in making secret messages is implemented in the form of a mobile-based application to make it easier for users to make secret messages. The results of the encrypted messages formed are difficult to decrypt because they go through 2 stages of the encryption process so that the contents of important messages can be guaranteed confidentiality.

IMPLEMENTASI ALGORITMA VIGENERE CIPHER UNTUK ENKRIPSI DAN DEKRIPSI PADA PERESEPAN DATA OBAT DI PUSKESMAS MERTOYUDAN 1 KABUPATEN MAGELANG

Puskesmas is a place to provide health and medical services for the community. Every patient who seeks treatment at a doctor at the health center always gets a message containing a prescription for the drug. The problem that often occurs is the large number of drug prescribing processes that occur without being based on a system, can cause errors in drug prescribing and can be fatal for patients. The purpose of this research is to make an electronic encrypted prescription application using the Vigener Cipher method. The implementation of this system uses the Vigener Cipher Algorithm in securing prescription drug data. The Vigener Cipher algorithm can perform encryption and decryption processes. System Design with Context Diagram. The result of this study is that the application of drug prescribing data using the Vigener Cipher Algorithm has been able to secure drug prescribing properly. In the PARASETAMOL Drug Data Test, key: CXWDFHHJYVW, result: RXNDXLAJKJH. Functional Testing Results obtained results that are accepted in all test scenarios and Validity Test Results obtained 100% valid results

NEW APPROACH TO BOOK CIPHER: WEB PAGES AS A CRYPTOGRAPHIC KEY

Research relevance: Since ancient times, people have widely used methods of concealment and coding during information sharing, and ensuring the protection of information is currently relevant. Encryption methods are developing daily in order to ensure the reliable protection of confidential information and the exchange of data on the network. The subject and purpose of the research are to develop an encryption method, which is based on the ideology of book cipher and uses web pages as a cryptographic key, in the organization of a secure exchange of information. The following tasks are solved in the article: The article provides information about book cipher and analyzes modern methods of book cipher, as well as proposes a novel encryption method involving the use of web pages as a cryptographic key. Research methods: In the paper methods of analysis and synthesis are used. Obtained results and conclusions: The possibility of transforming the book cipher is proved, and a novel encryption method involving the use of web pages as a cryptographic key is proposed. The article also provides a comparison between the proposed encryption method involving the use of Internet pages as a cryptographic key with the classic book cipher method.

Implementation of Cryptography with the Caesar Cipher Method to Secure Data Files in Java NetBeans

Pesatnya perkembangan teknologi informasi dan telekomunikasi yang memudahkan kita untuk melaksanakan aktifitas data dalam bentuk file ataupun data yang bersifat rahasia. Sehingga teknik diperlukan pengamanan data untuk mengamankan file yang bersifat rahasia. Penelitian ini dilaksanakan untuk membuat implementasi kriptografi Caesar Cipher. Dimana Kriptografi hanya dapat dilakukan oleh orang-orang tertentu yang paham akan penggunaannya sehingga Kriptografi dapat dikategorikan sebagai tempat yang aman untuk menyimpan data yang bersifat rahasia. Sistem ini mengaplikasikan algoritma Caesar Cipher yang diproses dengan program Java NetBeans sehingga menghasilkan ciphertext. Dimana file yang bisa diproses enskripsi adalah file dokumen berbentuk teks berekstensi .txt. Data txt yaitu jenis data Domain Name Service (DNS) yang berisi sumber informasi teks untuk sumber yang berada dalam domain, dengan menambahkan ke dalam domain file yang berekstensi .txt dapat digunakan untuk berbagai keperluan penting. Hasil dari penelitian ini adalah sebuah implementasi kriptografi metode Caesar Cipher untuk mengamankan data file di Java NetBeans. Maka dapat disimpulkan bahwa Pengamanan data menggunakan Metode Caesar Cipher terbukti dapat dilakukan pada Java Netbeans

Penerapan Kriptografi Vigenere Cipher Pada Kekuatan Kata Sandi

One of the methods of securing information systems that is commonly known by many people is passwords. Without realizing it, passwords have an important role in securing information that is confidential. In some applications related to software, such as cellphones, ATM cards, and others. There is also a security system that functions similarly to a password. commonly known as a PIN Code. Although it only consists of numbers, its use is the same as a password, which is to secure information. The stored information is usually digital or database-based. Password security aims to secure a password stored in the database, the password needs to be secured because if the password is known by unauthorized parties or who are not entitled then important and other data will be stolen. The password that is secured is a password that is used daily, be it email passwords, social media, databases, operating systems on the device and others into the database. vigenere cipher algorithm to encode the password in a database. The result of this test is that password security is carried out based on the vigenere cipher method using a visual studio application and utilizing a Database with a MySQL application. The end result used is the result of the security process with the result key having no resemblance to the original record. Formation of keys based on user decisions. It is worth paying attention that the key should not be forgotten.

IMPLEMENTASI ALGORITMA VIGENERE CIPHER UNTUK ENKRIPSI DAN DEKRIPSI PADA PERESEPAN DATA OBAT DI PUSKESMAS MERTOYUDAN 1 KABUPATEN MAGELANG

Puskesmas is a place to provide health and medical services for the community. Every patient who seeks treatment at a doctor at the health center always gets a message containing a prescription for the drug. The problem that often occurs is the large number of drug prescribing processes that occur without being based on a system, can cause errors in drug prescribing and can be fatal for patients. The purpose of this research is to make an electronic encrypted prescription application using the Vigener Cipher method. The implementation of this system uses the Vigener Cipher Algorithm in securing prescription drug data. The Vigener Cipher algorithm can perform encryption and decryption processes. System Design with Context Diagram. The result of this study is that the application of drug prescribing data using the Vigener Cipher Algorithm has been able to secure drug prescribing properly. In the PARASETAMOL Drug Data Test, key: CXWDFHHJYVW, result: RXNDXLAJKJH. Functional Testing Results obtained results that are accepted in all test scenarios and Validity Test Results obtained 100% valid results.