scholarly journals Design and Implementation of RSA Algorithm using FPGA

2015 ◽  
Vol 14 (12) ◽  
pp. 6361-6367 ◽  
Author(s):  
Ari Shawkat Tahir
Keyword(s):  
Algorithm Design ◽  
Public Key ◽  
Transmission Channel ◽  
Clock Frequency ◽  
Rsa Algorithm ◽  
Cryptographic Algorithm ◽  
Hardware Resource ◽  
Encryption Decryption ◽  
Modular Operation ◽  
Secure Transmission

RSA cryptographic algorithm used to encrypt and decrypt the messages to send it over the secure transmission channel like internet.  The RSA algorithm is a secure, high quality, public key algorithm. In this paper, a new architecture and modeling has been proposed for RSA public key algorithm, the suggested system uses 1024-bit RSA encryption/decryption for restricted system. The system uses the multiply and square algorithm to perform modular operation. The design has been described by VHDL and simulated by using Xilinx ISE 12.2 tool. The architectures have been implemented on reconfigurable platforms FPGAs. Accomplishment when implemented on Xilinx_Spartan3 (device XC3S50, package PG208, speed -4) which confirms that the proposed architectures have minimum hardware resource, where only 29% of the chip resources are used for RSA algorithm design with realizable operating clock frequency of 68.573 MHz.

scholarly journals Study A Public Key in RSA Algorithm

2020 ◽  
Vol 5 (4) ◽  
pp. 395-398
Author(s):  
Taleb Samad Obaid
Keyword(s):  
Private Information ◽  
Original Data ◽  
Prime Numbers ◽  
Public Key ◽  
The Internet ◽  
Sensitive Information ◽  
Rsa Algorithm ◽  
Encryption And Decryption ◽  
Main Disadvantage ◽  
Encryption Decryption

To transmit sensitive information over the unsafe communication network like the internet network, the security is precarious tasks to protect this information. Always, we have much doubt that there are more chances to uncover the information that is being sent through network terminals or the internet by professional/amateur parasitical persons. To protect our information we may need a secure way to safeguard our transferred information. So, encryption/decryption, stenographic and vital cryptography may be adapted to care for the required important information. In system cryptography, the information transferred between both sides sender/receiver in the network must be scrambled using the encryption algorithm. The second side (receiver) should be outlook the original data using the decryption algorithms. Some encryption techniques applied the only one key in the cooperation of encryption and decryption algorithms. When the similar key used in both proceeds is called symmetric algorithm. Other techniques may use two different keys in encryption/decryption in transferring information which is known as the asymmetric key.  In general, the algorithms that implicated asymmetric keys are much more secure than others using one key.   RSA algorithm used asymmetric keys; one of them for encryption the message, and is known as a public key and another used to decrypt the encrypted message and is called a private key. The main disadvantage of the RSA algorithm is that extra time is taken to perform the encryption process. In this study, the MATLAB library functions are implemented to achieve the work. The software helps us to hold very big prime numbers to generate the required keys which enhanced the security of transmitted information and we expected to be difficult for a hacker to interfere with the private information. The algorithms are implemented successfully on different sizes of messages files.

scholarly journals IMPLEMENTATION OF THE RSA CRYPTOGRAPHIC ALGORITHM IN THE QR-CODE ANDROID-BASED BUILDING PERMIT CHECKING APPLICATION

2021 ◽  
Vol 15 (1) ◽  
pp. 74
Author(s):  
Darsanto Faiz ◽  
Rio Andriyat Krisdiawan ◽  
Dias Eka Prayuda
Keyword(s):  
Prime Numbers ◽  
Public Key ◽  
Qr Code ◽  
The Public ◽  
Building Permits ◽  
Rsa Algorithm ◽  
Building Permit ◽  
Cryptographic Algorithm ◽  
One Stop ◽  
Integrated Service

The investment office and one-stop integrated service (DPMPTSP) of Kuningan regency issues various kinds of permits, one of which is a building permit (IMB) issued by the investment office and one-stop integrated service on the applicant's side. Research is motivated by the vulnerability of counterfeiting permits that have been granted by the investment service and one-stop integrated services. The purpose of this research is to create a system or information technology that can help to make it easier to check building permits, one of which is by using QR-Code technology. This system can scan code that has been encrypted with the RSA algorithm so that the code created is not easily faked or read with similar applications. RSA Cryptography Algorithm, an algorithm used to encrypt and decrypt data. The RSA algorithm itself is an asymmetric algorithm, so it has a public key and a private key. RSA has a basic encryption and decryption process in the concepts of prime numbers and modulo arithmetic. The decryption and encryption keys are both integers. The encryption key is not kept secret and is known to the public so that the encryption key is also known as the public key, but the key for decryption is secret.Keywords: DPMPTSP, QR-Code, RSA Cryptrographic Algorithm

scholarly journals STUDY ON IMPROVEMENT IN RSA ALGORITHM AND ITS IMPLEMENTATION

2016 ◽  
pp. 190-195
Author(s):  
P. SAVEETHA ◽  
S. ARUMUGAM
Keyword(s):  
Network Security ◽  
Internet Security ◽  
Public Key ◽  
Research Papers ◽  
The Public ◽  
Rsa Algorithm ◽  
Cryptographic Algorithm ◽  
The World ◽  
Cryptographic Algorithms ◽  
Interconnected Networks

The Network Security means to protect data during their transmission over channel of networks similarly Internet Security also to protect data during their transmission over a collection of interconnected networks in all over the world. Cryptography is the way of hiding information during transmission over a cannel. There are lots of cryptographic algorithms available to protect our data from intruders.RSA also one of effective the public key cryptographic algorithm which needs time and memory. Many research papers submitted on this cryptographic algorithm. Each paper has different perspective.

scholarly journals Secure Transmission of Data through Electronic Devices using ECC Algorithm

2019 ◽  
pp. 130-135
Author(s):  
G. Banu Priya ◽  
K. Dharani
Keyword(s):  
Electronic Devices ◽  
Public Key ◽  
The Public ◽  
Cryptographic Algorithm ◽  
Private Data ◽  
Encryption And Decryption ◽  
Cryptographic Algorithms ◽  
Cryptographic Keys ◽  
Symmetric Key ◽  
Secure Transmission

In recent days securing the data while transferring through electronic devices from one end to the other has became a challenging task to both sender and the receiver. During the transmission of private data over the electronic devices may be hacked some times by the hackers. The data can be secured by using the cryptographic concept. This paper is about how the data are protected while transferring the data from one electronics devices to another using the ECC algorithm. Cryptographic algorithms plays an important role in securing the data against malicious attacks. The main goal of cryptography is not only to secure data from being hacked or attacked also it can be used for authentication of users. There are two types of cryptographic algorithms namely Symmetric key cryptographic algorithms and Asymmetric key cryptographic algorithms. Symmetric key cryptographic algorithm uses the only one key for both encryption and decryption process, where as Asymmetric cryptographic algorithm uses two different keys for encrypting and decrypting the messages. The public key is made publicly available and can be used to encrypt messages. The private key is kept secret and can be used to decrypt the received messages. Nowadays, many electronic devices like electronic phones, tablets, personal computers are in the workplace for transferring the data. Elliptical curve cryptography (ECC) is a public key encryption technique based on elliptic curve theory that can be used to create privacy, integrity and confidentiality, faster, smaller, and more efficient cryptographic keys.

Implementation Color-Images Cryptography Using RSA Algorithm

2017 ◽  
Vol 7 (11) ◽  
pp. 181
Author(s):  
Ali Saleh Al Najjar
Keyword(s):  
Information Security ◽  
Image Encryption ◽  
Color Images ◽  
Public Key ◽  
Open Channels ◽  
Image Security ◽  
Rsa Algorithm ◽  
The Media ◽  
Encrypted Images ◽  
Difficult Issue

Absolute protection is a difficult issue to maintain the confidentiality of images through their transmission over open channels such as internet or networks and is a major concern in the media, so image Cryptography becomes an area of attraction and interest of research in the field of information security. The paper will offer proposed system that provides a special kinds of image Encryption image security, Cryptography using RSA algorithm for encrypted images by HEX function to extract HEX Code and using RSA public key algorithm, to generate cipher image text. This approach provides high security and it will be suitable for secured transmission of images over the networks or Internet.

scholarly journals BESTIE: Broadcast Encryption Scheme for Tiny IoT Equipment

Electronics ◽  
2020 ◽  
Vol 9 (9) ◽  
pp. 1389
Author(s):  
Jiwon Lee ◽  
Jihye Kim ◽  
Hyunok Oh
Keyword(s):  
The Other ◽  
Public Key ◽  
Broadcast Encryption ◽  
Encryption Scheme ◽  
The Public ◽  
Private Key ◽  
Diffie Hellman ◽  
The Standard Model ◽  
Encryption Decryption ◽  
Subset Difference

In public key broadcast encryption, anyone can securely transmit a message to a group of receivers such that privileged users can decrypt it. The three important parameters of the broadcast encryption scheme are the length of the ciphertext, the size of private/public key, and the performance of encryption/decryption. It is suggested to decrease them as much as possible; however, it turns out that decreasing one increases the other in most schemes. This paper proposes a new broadcast encryption scheme for tiny Internet of Things (IoT) equipment (BESTIE), minimizing the private key size in each user. In the proposed scheme, the private key size is O(logn), the public key size is O(logn), the encryption time per subset is O(logn), the decryption time is O(logn), and the ciphertext text size is O(r), where n denotes the maximum number of users, and r indicates the number of revoked users. The proposed scheme is the first subset difference-based broadcast encryption scheme to reduce the private key size O(logn) without sacrificing the other parameters. We prove that our proposed scheme is secure under q-Simplified Multi-Exponent Bilinear Diffie-Hellman (q-SMEBDH) in the standard model.

ENCRYPTION-DECRYPTION TECHNIQUES FOR PICTURES

1989 ◽  
Vol 03 (03n04) ◽  
pp. 497-503
Author(s):  
RANI SIROMONEY ◽  
K. G. SUBRAMANIAN ◽  
P. J. ABISHA
Keyword(s):  
Public Key ◽  
Two Dimensional ◽  
Chain Code ◽  
Dimensional Array ◽  
Public Key Cryptosystems ◽  
Encryption Decryption ◽  
A Chain

Language theoretic public key cryptosystems for strings and pictures are discussed. Two methods of constructing public key cryptosystems for the safe transmission or storage of chain code pictures are presented; the first one encrypts a chain code picture as a string and the second one as a two-dimensional array.

scholarly journals IMPLEMENTASI TEKNIK KRIPTOGRAFI RSA UNTUK PENGAMANAN DATA PENGIRIMAN SMS

2020 ◽  
Vol 5 (1) ◽  
pp. 61-66
Author(s):  
Ainafatul Nur Muslikah ◽  
Hardiana Riski Riswanto ◽  
Khamaida Safinah ◽  
Khadijah Fahmi Hayati Holle
Keyword(s):  
Delivery System ◽  
Public Key ◽  
Message Delivery ◽  
The Public ◽  
Rsa Algorithm ◽  
Android Platform

Message sending is one activity that is often used by everyone. However, security in this message delivery system needs to be wary of spying or message piracy during the process of sending messages. Surely someone who sent the message does not know if someone's personal message has been stolen. With this initiative builds a security message using cryptographic RSA algorithm where the message sender or recipient of the message can send the message safely without being known to the message hijacker or spy. Cryptography that uses the RSA algorithm to secure messages. This RSA algorithm message will be decrypted with the public key and to encrypt the message. This application was built on the Android platform because the dominant person has an Android smartphone with a system that runs the length of the message character does not affect the speed at the time of sending the message to the recipient, and there is no limit on the length of the message character during the encryption process so that any length of the massage character can be encrypted well.

scholarly journals IMPLEMENTASI STEGANOGRAFI PADA TEKS TERENKRIPSI DENGAN ALGORITMA RSA MENGGUNAKAN METODE BPCS

2018 ◽  
Vol 7 (2) ◽  
pp. 260-265 ◽  
Author(s):  
Yulia Fatma ◽  
Harun Mukhtar ◽  
Muhammad Taufik
Keyword(s):  
Human Life ◽  
Human Vision ◽  
Encryption Algorithm ◽  
Secret Message ◽  
The Internet ◽  
Rsa Algorithm ◽  
Cryptographic Algorithm ◽  
Insertion Method ◽  
Bit Plane ◽  
Internet Network

The internet network is growing rapidly and has a great impact on human life. The development of the internet network has enabled many people to exchange information or messages,one of tham by using email media. Apparently the internet is a path that in ni not too safe because it is a common communication media that can be used by everyone so prone to tapping information or messages. Therefore, security and confidentiality are needed in data communications. One may to keep messages safe is to use steganography technique. The steganography method used is the method of message insertion using BPCS (Bit Plane Complexity Segmentation). Before the message is inserted, the message is first encrypted using cryptography techniques. The cryptographic algorithm used is RSA algorithm. RSA algorithm consists of encryption algorithm and decryption algorithm. The confidential message is encrypted using RSA encryption algorithm and inserted using the insertion method of BPCS. With the technique of steganography on the image media then the delivery of a secret message will have a good level of security because it can not be detected directly by the senses of human vision. Keywords: cryptography, steganography, RSA, method BPCS   Abstrak Jaringan internet berkembang dengan pesat dan memberikan pengaruh besar bagi kehidupan manusia. Perkembangan jaringan Internet telah memungkinkan banyak orang untuk saling bertukar informasi atau pesan salah satunya dengan media email. Ternyata, internet merupakan jalur yang tidak terlalu aman karna merupakan media komunikasi umum yang dapat digunakan semua orang sehingga rawan penyadapan informasi atau pesan. Oleh karena itu, keamanan dan kerahasiaan sangat dibutuhkan dalam komunikasi data. Salah satu cara untuk menjaga keamanan pesan adalah menggunakan teknik steganografi. Metode steganografi yang digunakan adalah metode penyisipan pesan, dengan menggunakan metode BPCS (Bit Plane Complexity Segmentation). Sebelum pesan disisipkan terlebih dahulu pesan tersebut dienkripsi dengan menggunakan teknik kriptografi. Algoritma kriptografi yang digunakan adalah algoritma RSA. Algoritma RSA terdiri dari algoritma enkripsi dan algoritma dekripsi. Pesan rahasia disandikan menggunakan algoritma enkripsi RSA dan disisipkan menggunakan metode penyisipan BPCS. Dengan adanya teknik steganografi pada media citra maka pengiriman suatu pesan yang bersifat rahasia akan memiliki tingkat keamanan yang baik karena tidak dapat dideteksi langsung oleh indera penglihatan manusia. Keywords: Kriptografi, Steganogari, RSA, Metode BPCS

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